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一(yi)(yi)(yi)(yi)般低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)流(liu)體(ti)(ti)輸送(song)(song)用(yong)(yong)(yong)(yong)(yong)螺旋(xuan)縫埋弧(hu)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY5037-83）是(shi)(shi)(shi)(shi)(shi)(shi)以(yi)(yi)(yi)熱(re)軋鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)帶卷(juan)作(zuo)(zuo)(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)，經常溫螺旋(xuan)成(cheng)(cheng)型(xing)，采用(yong)(yong)(yong)(yong)(yong)雙面(mian)(mian)(mian)自動埋弧(hu)焊(han)(han)(han)或(huo)(huo)單(dan)面(mian)(mian)(mian)焊(han)(han)(han)法制成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)用(yong)(yong)(yong)(yong)(yong)于水、煤氣、空氣和(he)(he)蒸汽等(deng)(deng)(deng)一(yi)(yi)(yi)(yi)般低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)流(liu)體(ti)(ti)輸送(song)(song)用(yong)(yong)(yong)(yong)(yong)埋弧(hu)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。一(yi)(yi)(yi)(yi)般低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)流(liu)體(ti)(ti)輸送(song)(song)用(yong)(yong)(yong)(yong)(yong)螺旋(xuan)縫高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY5039-83）是(shi)(shi)(shi)(shi)(shi)(shi)以(yi)(yi)(yi)熱(re)軋鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)帶卷(juan)作(zuo)(zuo)(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)，經常溫螺旋(xuan)成(cheng)(cheng)型(xing)，采用(yong)(yong)(yong)(yong)(yong)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)搭接(jie)(jie)焊(han)(han)(han)法焊(han)(han)(han)接(jie)(jie)用(yong)(yong)(yong)(yong)(yong)于一(yi)(yi)(yi)(yi)般低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)流(liu)體(ti)(ti)輸送(song)(song)用(yong)(yong)(yong)(yong)(yong)螺旋(xuan)縫高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。樁用(yong)(yong)(yong)(yong)(yong)螺旋(xuan)焊(han)(han)(han)縫鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY5040-83）是(shi)(shi)(shi)(shi)(shi)(shi)以(yi)(yi)(yi)熱(re)軋鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)帶卷(juan)作(zuo)(zuo)(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)，經常溫螺旋(xuan)成(cheng)(cheng)型(xing)，采用(yong)(yong)(yong)(yong)(yong)雙面(mian)(mian)(mian)埋弧(hu)焊(han)(han)(han)接(jie)(jie)或(huo)(huo)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)焊(han)(han)(han)接(jie)(jie)制成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，用(yong)(yong)(yong)(yong)(yong)于土木建(jian)筑(zhu)結構、碼頭、橋(qiao)梁等(deng)(deng)(deng)基礎樁。 方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)(shi)(shi)(shi)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)中的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)(yi)種(zhong)(zhong)(zhong)，是(shi)(shi)(shi)(shi)(shi)(shi)按照鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)分(fen)類而(er)(er)來(lai)(lai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)(yi)種(zhong)(zhong)(zhong)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)形(xing)(xing)(xing)(xing)(xing)(xing)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)空心型(xing)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)。這(zhe)里指(zhi)(zhi)(zhi)以(yi)(yi)(yi)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)材(cai)(cai)(cai)(cai)為(wei)(wei)(wei)(wei)材(cai)(cai)(cai)(cai)質(zhi)(zhi)(zhi)形(xing)(xing)(xing)(xing)(xing)(xing)成(cheng)(cheng)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)形(xing)(xing)(xing)(xing)(xing)(xing)口(kou)徑(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)。是(shi)(shi)(shi)(shi)(shi)(shi)一(yi)(yi)(yi)(yi)種(zhong)(zhong)(zhong)空心方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)形(xing)(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)截(jie)面(mian)(mian)(mian)輕型(xing)薄(bo)壁鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，也(ye)(ye)(ye)稱為(wei)(wei)(wei)(wei)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)制冷(leng)(leng)(leng)(leng)彎型(xing)材(cai)(cai)(cai)(cai)。它(ta)(ta)是(shi)(shi)(shi)(shi)(shi)(shi)以(yi)(yi)(yi)熱(re)軋或(huo)(huo)冷(leng)(leng)(leng)(leng)軋帶鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)或(huo)(huo)卷(juan)板(ban)為(wei)(wei)(wei)(wei)坯(pi)料(liao)經冷(leng)(leng)(leng)(leng)彎曲(qu)加工(gong)成(cheng)(cheng)型(xing)后再經高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)焊(han)(han)(han)接(jie)(jie)制成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)形(xing)(xing)(xing)(xing)(xing)(xing)截(jie)面(mian)(mian)(mian)形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)尺(chi)寸(cun)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)型(xing)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)。熱(re)軋特(te)厚壁方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)除(chu)壁厚增厚外情況其(qi)(qi)角(jiao)部尺(chi)寸(cun)和(he)(he)邊(bian)部平(ping)直度(du)(du)(du)(du)(du)(du)均達到甚至超(chao)過電阻焊(han)(han)(han)冷(leng)(leng)(leng)(leng)成(cheng)(cheng)型(xing)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)水平(ping)。方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)有(you)(you)(you)正(zheng)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)形(xing)(xing)(xing)(xing)(xing)(xing)和(he)(he)矩方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)形(xing)(xing)(xing)(xing)(xing)(xing)口(kou)徑(jing)形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)，有(you)(you)(you)圓變(bian)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)工(gong)藝(yi)和(he)(he)冷(leng)(leng)(leng)(leng)彎成(cheng)(cheng)型(xing)工(gong)藝(yi)，有(you)(you)(you)普(pu)碳(tan)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)材(cai)(cai)(cai)(cai)質(zhi)(zhi)(zhi)和(he)(he)合金(jin)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)材(cai)(cai)(cai)(cai)質(zhi)(zhi)(zhi)，方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)表(biao)面(mian)(mian)(mian)有(you)(you)(you)鍍鋅涂層或(huo)(huo)涂防銹油(you)涂層，有(you)(you)(you)薄(bo)壁方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)厚壁方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)(deng)(deng)。主要用(yong)(yong)(yong)(yong)(yong)于建(jian)筑(zhu)、機(ji)(ji)械、造船、汽車、航空、化工(gong)等(deng)(deng)(deng)各(ge)大行(xing)(xing)(xing)業(ye)(ye)。 方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)顧名思義是(shi)(shi)(shi)(shi)(shi)(shi)一(yi)(yi)(yi)(yi)種(zhong)(zhong)(zhong)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)形(xing)(xing)(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，它(ta)(ta)是(shi)(shi)(shi)(shi)(shi)(shi)工(gong)業(ye)(ye)建(jian)筑(zhu)行(xing)(xing)(xing)業(ye)(ye)普(pu)遍的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)(yi)種(zhong)(zhong)(zhong)材(cai)(cai)(cai)(cai)料(liao)，從(cong)(cong)目前的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)發展來(lai)(lai)看不(bu)僅工(gong)業(ye)(ye)和(he)(he)建(jian)筑(zhu)行(xing)(xing)(xing)業(ye)(ye)對(dui)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)需求量(liang)(liang)(liang)大大增加就連其(qi)(qi)它(ta)(ta)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)行(xing)(xing)(xing)業(ye)(ye)也(ye)(ye)(ye)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)越(yue)(yue)(yue)來(lai)(lai)越(yue)(yue)(yue)多(duo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)(yong)(yong)(yong)(yong)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，為(wei)(wei)(wei)(wei)了達到人(ren)們(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)需求方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)種(zhong)(zhong)(zhong)類也(ye)(ye)(ye)是(shi)(shi)(shi)(shi)(shi)(shi)越(yue)(yue)(yue)來(lai)(lai)越(yue)(yue)(yue)多(duo)，賣方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)人(ren)也(ye)(ye)(ye)是(shi)(shi)(shi)(shi)(shi)(shi)多(duo)上(shang)(shang)加多(duo)，而(er)(er)這(zhe)些(xie)商家所(suo)出(chu)售(shou)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)質(zhi)(zhi)(zhi)量(liang)(liang)(liang)上(shang)(shang)差別(bie)也(ye)(ye)(ye)是(shi)(shi)(shi)(shi)(shi)(shi)比較(jiao)大的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，因(yin)(yin)此(ci)(ci)我(wo)們(men)必(bi)須學(xue)會一(yi)(yi)(yi)(yi)些(xie)挑(tiao)(tiao)選(xuan)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)知(zhi)識，選(xuan)擇(ze)(ze)質(zhi)(zhi)(zhi)量(liang)(liang)(liang)好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)才(cai)能(neng)提高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)制造產(chan)(chan)品(pin)(pin)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)(zhi)(zhi)量(liang)(liang)(liang)，而(er)(er)且質(zhi)(zhi)(zhi)量(liang)(liang)(liang)好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)還可(ke)以(yi)(yi)(yi)提高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)系(xi)數。那么(me)我(wo)們(men)該用(yong)(yong)(yong)(yong)(yong)什么(me)樣的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)法才(cai)能(neng)挑(tiao)(tiao)選(xuan)出(chu)質(zhi)(zhi)(zhi)量(liang)(liang)(liang)好信(xin)(xin)譽佳的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)呢？對(dui)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)有(you)(you)(you)所(suo)了解(jie)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)人(ren)都(dou)(dou)知(zhi)道方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)(shi)(shi)(shi)具(ju)有(you)(you)(you)一(yi)(yi)(yi)(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)拉(la)(la)、抗(kang)(kang)(kang)壓(ya)(ya)(ya)(ya)(ya)(ya)性(xing)(xing)能(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，因(yin)(yin)此(ci)(ci)我(wo)們(men)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)選(xuan)擇(ze)(ze)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)時也(ye)(ye)(ye)可(ke)以(yi)(yi)(yi)從(cong)(cong)這(zhe)幾個方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)面(mian)(mian)(mian)進行(xing)(xing)(xing)考慮，抗(kang)(kang)(kang)拉(la)(la)性(xing)(xing)是(shi)(shi)(shi)(shi)(shi)(shi)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)基礎的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)能(neng)，因(yin)(yin)此(ci)(ci)抗(kang)(kang)(kang)拉(la)(la)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)越(yue)(yue)(yue)大代表(biao)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)能(neng)越(yue)(yue)(yue)好，因(yin)(yin)此(ci)(ci)我(wo)們(men)選(xuan)擇(ze)(ze)抗(kang)(kang)(kang)拉(la)(la)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)較(jiao)大的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)可(ke)以(yi)(yi)(yi)讓方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)帶給我(wo)們(men)更(geng)大的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)幫助。當然方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)還有(you)(you)(you)其(qi)(qi)它(ta)(ta)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)特(te)性(xing)(xing)，其(qi)(qi)它(ta)(ta)特(te)性(xing)(xing)指(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)就是(shi)(shi)(shi)(shi)(shi)(shi)抗(kang)(kang)(kang)壓(ya)(ya)(ya)(ya)(ya)(ya)和(he)(he)抗(kang)(kang)(kang)彎性(xing)(xing)能(neng)，我(wo)們(men)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)挑(tiao)(tiao)選(xuan)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)時要從(cong)(cong)這(zhe)三個方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)面(mian)(mian)(mian)進行(xing)(xing)(xing)考慮，不(bu)能(neng)只注(zhu)重一(yi)(yi)(yi)(yi)個方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)面(mian)(mian)(mian)，只有(you)(you)(you)考慮才(cai)能(neng)讓自己挑(tiao)(tiao)選(xuan)出(chu) 的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。此(ci)(ci)外，在(zai)(zai)(zai)(zai)(zai)(zai)(zai)面(mian)(mian)(mian)對(dui)市場上(shang)(shang)多(duo)種(zhong)(zhong)(zhong)多(duo)樣質(zhi)(zhi)(zhi)量(liang)(liang)(liang)不(bu)同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)時我(wo)們(men)還應(ying)該對(dui)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廠商進行(xing)(xing)(xing)一(yi)(yi)(yi)(yi)番(fan)篩選(xuan)，選(xuan)擇(ze)(ze)信(xin)(xin)譽度(du)(du)(du)(du)(du)(du)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)質(zhi)(zhi)(zhi)量(liang)(liang)(liang)好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廠家才(cai)能(neng)讓自己挑(tiao)(tiao)選(xuan)出(chu)來(lai)(lai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)更(geng)有(you)(you)(you)保障，選(xuan)擇(ze)(ze)這(zhe)樣的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廠家在(zai)(zai)(zai)(zai)(zai)(zai)(zai)我(wo)們(men)使用(yong)(yong)(yong)(yong)(yong)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)期間如果出(chu)現問題(ti)才(cai)能(neng)得(de)(de)到融洽的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)解(jie)決。因(yin)(yin)此(ci)(ci)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)購(gou)買方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)時選(xuan)擇(ze)(ze)一(yi)(yi)(yi)(yi)個信(xin)(xin)譽度(du)(du)(du)(du)(du)(du)高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廠家也(ye)(ye)(ye)是(shi)(shi)(shi)(shi)(shi)(shi)非(fei)常重要的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de). 方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)塑(su)性(xing)(xing)是(shi)(shi)(shi)(shi)(shi)(shi)指(zhi)(zhi)(zhi)金(jin)屬材(cai)(cai)(cai)(cai)料(liao)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)載荷作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)下，產(chan)(chan)生塑(su)性(xing)(xing)變(bian)形(xing)(xing)(xing)(xing)(xing)(xing)（ 變(bian)形(xing)(xing)(xing)(xing)(xing)(xing)）而(er)(er)不(bu)破壞(huai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)能(neng)力。方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)硬(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)是(shi)(shi)(shi)(shi)(shi)(shi)衡量(liang)(liang)(liang)金(jin)屬材(cai)(cai)(cai)(cai)料(liao)軟硬(ying)(ying)(ying)(ying)程(cheng)度(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)指(zhi)(zhi)(zhi)針(zhen)。目前生產(chan)(chan)中測定(ding)硬(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)法常用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)(shi)(shi)(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)入(ru)硬(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)法，它(ta)(ta)是(shi)(shi)(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)一(yi)(yi)(yi)(yi)定(ding)幾何形(xing)(xing)(xing)(xing)(xing)(xing)狀(zhuang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)頭在(zai)(zai)(zai)(zai)(zai)(zai)(zai)一(yi)(yi)(yi)(yi)定(ding)載荷下壓(ya)(ya)(ya)(ya)(ya)(ya)入(ru)被測試的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)金(jin)屬材(cai)(cai)(cai)(cai)料(liao)表(biao)面(mian)(mian)(mian)，根據被壓(ya)(ya)(ya)(ya)(ya)(ya)入(ru)程(cheng)度(du)(du)(du)(du)(du)(du)來(lai)(lai)測定(ding)其(qi)(qi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)值。常用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)法有(you)(you)(you)布氏(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)（HB）、洛(luo)氏(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)（HRA、HRB、HRC）和(he)(he)維氏(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)（HV）等(deng)(deng)(deng)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)法。 前面(mian)(mian)(mian)所(suo)討(tao)論的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)、塑(su)性(xing)(xing)、硬(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)都(dou)(dou)是(shi)(shi)(shi)(shi)(shi)(shi)金(jin)屬在(zai)(zai)(zai)(zai)(zai)(zai)(zai)靜載荷作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)下的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)機(ji)(ji)械性(xing)(xing)能(neng)指(zhi)(zhi)(zhi)針(zhen)。實(shi)際(ji)上(shang)(shang)，許(xu)多(duo)機(ji)(ji)器零(ling)件都(dou)(dou)是(shi)(shi)(shi)(shi)(shi)(shi)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)循環載荷下工(gong)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，在(zai)(zai)(zai)(zai)(zai)(zai)(zai)這(zhe)種(zhong)(zhong)(zhong)條件下零(ling)件會產(chan)(chan)生疲勞以(yi)(yi)(yi)很大速度(du)(du)(du)(du)(du)(du)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)于機(ji)(ji)件上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)載荷稱為(wei)(wei)(wei)(wei)沖擊(ji)(ji)載荷，金(jin)屬在(zai)(zai)(zai)(zai)(zai)(zai)(zai)沖擊(ji)(ji)載荷作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)下抵(di)(di)抗(kang)(kang)(kang)破壞(huai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)能(neng)力叫做沖擊(ji)(ji)韌性(xing)(xing)。方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)是(shi)(shi)(shi)(shi)(shi)(shi)指(zhi)(zhi)(zhi)金(jin)屬材(cai)(cai)(cai)(cai)料(liao)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)靜荷作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)下抵(di)(di)抗(kang)(kang)(kang)破壞(huai)（過量(liang)(liang)(liang)塑(su)性(xing)(xing)變(bian)形(xing)(xing)(xing)(xing)(xing)(xing)或(huo)(huo)斷(duan)裂）的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)能(neng)。 由于載荷的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)式(shi)有(you)(you)(you)拉(la)(la)伸、壓(ya)(ya)(ya)(ya)(ya)(ya)縮、彎曲(qu)、剪切(qie)等(deng)(deng)(deng)形(xing)(xing)(xing)(xing)(xing)(xing)式(shi)，所(suo)以(yi)(yi)(yi)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)也(ye)(ye)(ye)分(fen)為(wei)(wei)(wei)(wei)抗(kang)(kang)(kang)拉(la)(la)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)、抗(kang)(kang)(kang)壓(ya)(ya)(ya)(ya)(ya)(ya)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)、抗(kang)(kang)(kang)彎強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)、抗(kang)(kang)(kang)剪強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)等(deng)(deng)(deng)。各(ge)種(zhong)(zhong)(zhong)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)間常有(you)(you)(you)一(yi)(yi)(yi)(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)聯系(xi)，使用(yong)(yong)(yong)(yong)(yong)中一(yi)(yi)(yi)(yi)般較(jiao)多(duo)以(yi)(yi)(yi)抗(kang)(kang)(kang)拉(la)(la)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)作(zuo)(zuo)(zuo)為(wei)(wei)(wei)(wei)基本的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)強(qiang)(qiang)度(du)(du)(du)(du)(du)(du)指(zhi)(zhi)(zhi)針(zhen).保管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)場地或(huo)(huo)倉庫，應(ying)選(xuan)擇(ze)(ze)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)清潔(jie)干(gan)凈、排水通暢(chang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)地方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)，遠離產(chan)(chan)生有(you)(you)(you)害氣體(ti)(ti)或(huo)(huo)粉塵的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廠礦。在(zai)(zai)(zai)(zai)(zai)(zai)(zai)場地上(shang)(shang)要雜草及(ji)一(yi)(yi)(yi)(yi)切(qie)雜物(wu)，保持(chi)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)干(gan)凈；在(zai)(zai)(zai)(zai)(zai)(zai)(zai)倉庫里不(bu)得(de)(de)與(yu)酸、堿、鹽(yan)、水泥(ni)等(deng)(deng)(deng)對(dui)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)有(you)(you)(you)侵蝕(shi)性(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)材(cai)(cai)(cai)(cai)料(liao)堆(dui)放在(zai)(zai)(zai)(zai)(zai)(zai)(zai)一(yi)(yi)(yi)(yi)起。不(bu)同品(pin)(pin)種(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)應(ying)分(fen)別(bie)堆(dui)放，防止(zhi)混(hun)淆(xiao)，防止(zhi)接(jie)(jie)觸腐蝕(shi)；大型(xing)型(xing)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)、鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)軌、辱鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)板(ban)、大口(kou)徑(jing)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鍛件等(deng)(deng)(deng)可(ke)以(yi)(yi)(yi)露天(tian)(tian)堆(dui)放；中小(xiao)型(xing)型(xing)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)、盤條、鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)筋、中口(kou)徑(jing)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)絲及(ji)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)絲繩等(deng)(deng)(deng)，可(ke)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)通風良好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)料(liao)棚內存放，但必(bi)須上(shang)(shang)苫下墊(dian)；一(yi)(yi)(yi)(yi)些(xie)小(xiao)型(xing)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、薄(bo)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)板(ban)、鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)帶、硅(gui)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)片(pian)、小(xiao)口(kou)徑(jing)或(huo)(huo)薄(bo)壁鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、各(ge)種(zhong)(zhong)(zhong)冷(leng)(leng)(leng)(leng)軋、冷(leng)(leng)(leng)(leng)拔鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)以(yi)(yi)(yi)及(ji)價格高(gao)(gao)(gao)(gao)(gao)(gao)(gao)(gao)、易腐蝕(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)金(jin)屬制品(pin)(pin)，可(ke)存放入(ru)庫方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)庫房應(ying)根據地理條件選(xuan)定(ding)，一(yi)(yi)(yi)(yi)般采用(yong)(yong)(yong)(yong)(yong)普(pu)通封閉式(shi)庫房，即有(you)(you)(you)房頂有(you)(you)(you)圍墻、門窗(chuang)嚴(yan)密，設有(you)(you)(you)通風裝置的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)庫房；方(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)庫房要求晴天(tian)(tian)注(zhu)意(yi)通風，雨天(tian)(tian)注(zhu)意(yi)關閉防潮，經常保持(chi)適宜(yi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)儲(chu)存環境。