• 
• 
• 
• 
• 

現我廠威海Q355B矩形管產品覆蓋全國二十六個省、市、區，與全國多家大型、特大型企業建立了長期的友好合作伙伴關系。 <威海>萬盛達鋼鐵有限公司建立和健全了質量管理體系，嚴格過程控制，完善了售后服務。用戶滿意是公司人的追求。質優價廉，誠信廣交天下友。

方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)的(de)(de)(de)(de)長(chang)度(du)(du)一(yi)(yi)(yi)般是(shi)幾米(mi)呢(ni)？目(mu)(mu)前方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)在(zai)(zai)進行(xing)交貨的(de)(de)(de)(de)時(shi)(shi)候(hou)都(dou)是(shi)采用(yong)(yong)散尺交貨一(yi)(yi)(yi)般長(chang)度(du)(du)都(dou)會(hui)在(zai)(zai)6-12米(mi)之間(jian)(jian)(jian)無縫方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)的(de)(de)(de)(de)定(ding)尺長(chang)度(du)(du)通常(chang)(chang)為6-12米(mi)之間(jian)(jian)(jian)；焊接(jie)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)的(de)(de)(de)(de)定(ding)尺長(chang)度(du)(du)為6-12米(mi)之間(jian)(jian)(jian)，長(chang)可(ke)(ke)做到(dao)(dao)21米(mi)；鍍鋅方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)的(de)(de)(de)(de)通常(chang)(chang)交貨長(chang)度(du)(du)為4000mm-12000mm，以(yi)6000mm和(he)12000mm居(ju)多，但是(shi)很(hen)多用(yong)(yong)戶為了運(yun)(yun)輸(shu)方(fang)(fang)(fang)(fang)(fang)便及將(jiang)來焊接(jie)方(fang)(fang)(fang)(fang)(fang)便都(dou)會(hui)要求定(ding)尺交貨，目(mu)(mu)前不(bu)(bu)(bu)(bu)管(guan)(guan)是(shi)焊接(jie)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)還是(shi)無縫方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)都(dou)是(shi)可(ke)(ke)以(yi)按照用(yong)(yong)戶的(de)(de)(de)(de)要求進行(xing)定(ding)尺交貨的(de)(de)(de)(de)。 磷(lin)化(hua)(hua)(hua)是(shi)一(yi)(yi)(yi)種化(hua)(hua)(hua)學與電化(hua)(hua)(hua)學反應形(xing)成(cheng)(cheng)(cheng)(cheng)磷(lin)酸(suan)鹽轉化(hua)(hua)(hua)膜(mo)的(de)(de)(de)(de)過程(cheng)(cheng)，所(suo)形(xing)成(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)磷(lin)酸(suan)鹽轉化(hua)(hua)(hua)膜(mo)簡稱為磷(lin)化(hua)(hua)(hua)膜(mo)。它可(ke)(ke)以(yi)發揮很(hen)大(da)的(de)(de)(de)(de)作用(yong)(yong)，可(ke)(ke)提(ti)高方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)的(de)(de)(de)(de)防銹(xiu)能(neng)力。我(wo)們在(zai)(zai)對(dui)(dui)(dui)(dui)(dui)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)進行(xing)磷(lin)化(hua)(hua)(hua)處理時(shi)(shi)， 使溢(yi)流(liu)水(shui)洗(xi)(xi)(xi)，以(yi)保證(zheng)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)充分清洗(xi)(xi)(xi)干(gan)凈，減少(shao)串(chuan)槽(cao)現(xian)象(xiang)。溢(yi)流(liu)時(shi)(shi)應該從(cong)底部進水(shui)，對(dui)(dui)(dui)(dui)(dui)角線上部開溢(yi)流(liu)孔溢(yi)流(liu)。對(dui)(dui)(dui)(dui)(dui)于(yu)(yu)任何一(yi)(yi)(yi)種磷(lin)化(hua)(hua)(hua)液都(dou)會(hui)或(huo)多或(huo)少(shao)產生(sheng)(sheng)沉(chen)渣，應在(zai)(zai)工(gong)(gong)藝予設(she)計(ji)時(shi)(shi)注明設(she)有(you)磷(lin)化(hua)(hua)(hua)除渣裝置(zhi)。特別是(shi)對(dui)(dui)(dui)(dui)(dui)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)進行(xing)噴(pen)淋(lin)磷(lin)化(hua)(hua)(hua)時(shi)(shi)，除渣裝置(zhi)必(bi)不(bu)(bu)(bu)(bu)可(ke)(ke)少(shao)，典(dian)型的(de)(de)(de)(de)除渣裝置(zhi)有(you)：斜(xie)板(ban)(ban)(ban)沉(chen)淀器、高位(wei)沉(chen)淀塔、離心除渣器、紙布袋濾渣等都(dou)可(ke)(ke)供選(xuan)(xuan)擇。各個工(gong)(gong)序間(jian)(jian)(jian)的(de)(de)(de)(de)間(jian)(jian)(jian)隔(ge)(ge)時(shi)(shi)間(jian)(jian)(jian)如果(guo)太長(chang)，會(hui)造(zao)成(cheng)(cheng)(cheng)(cheng)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)在(zai)(zai)運(yun)(yun)行(xing)過程(cheng)(cheng)中(zhong)(zhong)二(er)次生(sheng)(sheng)銹(xiu)。特別是(shi)有(you)酸(suan)洗(xi)(xi)(xi)工(gong)(gong)藝時(shi)(shi)，酸(suan)洗(xi)(xi)(xi)后(hou)管(guan)(guan)材(cai)極易(yi)在(zai)(zai)空(kong)(kong)氣中(zhong)(zhong)氧化(hua)(hua)(hua)生(sheng)(sheng)銹(xiu)泛綠(lv)， 設(she)有(you)工(gong)(gong)序間(jian)(jian)(jian)水(shui)膜(mo)保護，可(ke)(ke)減少(shao)生(sheng)(sheng)銹(xiu)。而(er)間(jian)(jian)(jian)隔(ge)(ge)時(shi)(shi)間(jian)(jian)(jian)短，不(bu)(bu)(bu)(bu)能(neng)完(wan)全有(you)效的(de)(de)(de)(de)瀝(li)干(gan)水(shui)分，產生(sheng)(sheng)串(chuan)槽(cao)現(xian)象(xiang)，甚至(zhi)槽(cao)液遭到(dao)(dao)破(po)壞。所(suo)以(yi)，在(zai)(zai)考慮方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)的(de)(de)(de)(de)工(gong)(gong)序間(jian)(jian)(jian)隔(ge)(ge)時(shi)(shi)，應根據情況(kuang)選(xuan)(xuan)擇一(yi)(yi)(yi)個恰當的(de)(de)(de)(de)間(jian)(jian)(jian)隔(ge)(ge)。 雖(sui)然對(dui)(dui)(dui)(dui)(dui)于(yu)(yu)槽(cao)體加熱管(guan)(guan)材(cai)料(liao)(liao)的(de)(de)(de)(de)選(xuan)(xuan)擇不(bu)(bu)(bu)(bu)是(shi)工(gong)(gong)藝設(she)計(ji)的(de)(de)(de)(de)內容，如果(guo)不(bu)(bu)(bu)(bu)予提(ti)醒(xing)，可(ke)(ke)能(neng)會(hui)造(zao)成(cheng)(cheng)(cheng)(cheng)設(she)備(bei)設(she)計(ji)人員的(de)(de)(de)(de)疏忽。對(dui)(dui)(dui)(dui)(dui)于(yu)(yu)硫酸(suan)、鹽酸(suan)酸(suan)洗(xi)(xi)(xi)時(shi)(shi)，其槽(cao)體材(cai)料(liao)(liao)只能(neng)選(xuan)(xuan)用(yong)(yong)玻璃鋼(gang)(gang)、花(hua)崗(gang)巖、塑(su)料(liao)(liao)，加熱管(guan)(guan)只能(neng)選(xuan)(xuan)用(yong)(yong)鉛銻合金管(guan)(guan)、陶瓷管(guan)(guan)，而(er)不(bu)(bu)(bu)(bu)能(neng)選(xuan)(xuan)用(yong)(yong)不(bu)(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)材(cai)料(liao)(liao)。如果(guo)是(shi)采用(yong)(yong)磷(lin)酸(suan)酸(suan)洗(xi)(xi)(xi)，其槽(cao)體及加熱管(guan)(guan)材(cai)料(liao)(liao)均可(ke)(ke)選(xuan)(xuan)用(yong)(yong)不(bu)(bu)(bu)(bu)銹(xiu)鋼(gang)(gang)材(cai)料(liao)(liao)，當然玻璃鋼(gang)(gang)、塑(su)料(liao)(liao)、花(hua)崗(gang)巖均可(ke)(ke)。對(dui)(dui)(dui)(dui)(dui)于(yu)(yu)易(yi)形(xing)成(cheng)(cheng)(cheng)(cheng)死角存水(shui)的(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)，必(bi)須(xu)選(xuan)(xuan)擇適(shi)當的(de)(de)(de)(de)位(wei)置(zhi)鉆好工(gong)(gong)藝孔，保證(zheng)水(shui)能(neng)在(zai)(zai)較短的(de)(de)(de)(de)時(shi)(shi)間(jian)(jian)(jian)內充分流(liu)盡。否則會(hui)造(zao)成(cheng)(cheng)(cheng)(cheng)串(chuan)槽(cao)或(huo)者要在(zai)(zai)空(kong)(kong)中(zhong)(zhong)長(chang)時(shi)(shi)間(jian)(jian)(jian)瀝(li)干(gan)，產生(sheng)(sheng)二(er)次生(sheng)(sheng)銹(xiu)，影響磷(lin)化(hua)(hua)(hua)效果(guo)。 有(you)時(shi)(shi)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)坯(pi)(pi)會(hui)出現(xian)分層問題，從(cong)而(er)導(dao)致(zhi)探傷不(bu)(bu)(bu)(bu)合。要這一(yi)(yi)(yi)缺陷，我(wo)們可(ke)(ke)以(yi)優化(hua)(hua)(hua)方(fang)(fang)(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)板(ban)(ban)(ban)坯(pi)(pi)的(de)(de)(de)(de)緩冷工(gong)(gong)藝，主要針對(dui)(dui)(dui)(dui)(dui)堆垛溫(wen)度(du)(du)和(he)堆垛持續時(shi)(shi)間(jian)(jian)(jian)。軋制鋼(gang)(gang)板(ban)(ban)(ban)厚(hou)(hou)度(du)(du)不(bu)(bu)(bu)(bu)大(da)于(yu)(yu)80mm鋼(gang)(gang)板(ban)(ban)(ban)熱矯直后(hou)，在(zai)(zai)冷床停留時(shi)(shi)間(jian)(jian)(jian)不(bu)(bu)(bu)(bu)得(de)超過5min。厚(hou)(hou)度(du)(du)大(da)于(yu)(yu)80mm鋼(gang)(gang)板(ban)(ban)(ban)可(ke)(ke)適(shi)當延(yan)長(chang)至(zhi)10min，確保鋼(gang)(gang)板(ban)(ban)(ban)成(cheng)(cheng)(cheng)(cheng)垛前溫(wen)度(du)(du)控(kong)制在(zai)(zai)500℃以(yi)上。鋼(gang)(gang)板(ban)(ban)(ban)厚(hou)(hou)度(du)(du)不(bu)(bu)(bu)(bu)大(da)于(yu)(yu)50mm鋼(gang)(gang)板(ban)(ban)(ban)緩冷時(shi)(shi)間(jian)(jian)(jian)在(zai)(zai)12h;厚(hou)(hou)度(du)(du)大(da)于(yu)(yu)50mm的(de)(de)(de)(de)鋼(gang)(gang)板(ban)(ban)(ban)緩冷時(shi)(shi)間(jian)(jian)(jian)24h，嚴禁(jin)提(ti)前拆(chai)垛精整。