廣東湛江聲(sheng)測管供應商57*3.0

河北寶益德鋼(gang)管(guan)(guan)(guan)(guan)(guan)有(you)(you)(you)(you)限公司湛江(jiang)聲(sheng)測管(guan)(guan)(guan)(guan)(guan)內(nei)(nei)(nei)外(wai)(wai)(wai)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)質量(liang)檢(jian)(jian)(jian)(jian)查(cha)(cha)是用(yong)來判定(ding)(ding)(ding)。第(di)缺(que)(que)(que)(que)陷(xian)(xian)類型：外(wai)(wai)(wai)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)常(chang)見缺(que)(que)(que)(que)陷(xian)(xian)：外(wai)(wai)(wai)折疊(die)(die)、發紋、結疤(ba)、劃傷(shang)、外(wai)(wai)(wai)螺旋(xuan)、裂紋、離層、麻(ma)面(mian)(mian)(mian)(mian)、凹坑、。內(nei)(nei)(nei)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)常(chang)見缺(que)(que)(que)(que)陷(xian)(xian)：定(ding)(ding)(ding)心內(nei)(nei)(nei)折、內(nei)(nei)(nei)折、內(nei)(nei)(nei)軋(ya)疤(ba)、內(nei)(nei)(nei)螺旋(xuan)。（2）外(wai)(wai)(wai)折疊(die)(die)：缺(que)(que)(que)(que)陷(xian)(xian)特征：在(zai)(zai)湛江(jiang)聲(sheng)測管(guan)(guan)(guan)(guan)(guan)外(wai)(wai)(wai)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)上呈(cheng)現(xian)片狀折疊(die)(die)，有(you)(you)(you)(you)的(de)分(fen)布(bu)有(you)(you)(you)(you)規(gui)(gui)律(lv)，有(you)(you)(you)(you)的(de)無規(gui)(gui)律(lv)。外(wai)(wai)(wai)折疊(die)(die)的(de)螺旋(xuan)方向與穿(chuan)孔機毛管(guan)(guan)(guan)(guan)(guan)方向相反且(qie)螺距(ju)較大(da)。（3）麻(ma)面(mian)(mian)(mian)(mian)缺(que)(que)(que)(que)陷(xian)(xian)特征：湛江(jiang)聲(sheng)測管(guan)(guan)(guan)(guan)(guan)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)呈(cheng)現(xian)高低(di)不(bu)(bu)的(de)麻(ma)坑。檢(jian)(jian)(jian)(jian)查(cha)(cha)判定(ding)(ding)(ding)：用(yong)檢(jian)(jian)(jian)(jian)查(cha)(cha)，輕微者(zhe)允(yun)(yun)(yun)許(xu)存在(zai)(zai)，嚴重者(zhe)不(bu)(bu)允(yun)(yun)(yun)許(xu)存在(zai)(zai)，并(bing)根據缺(que)(que)(que)(que)陷(xian)(xian)程度決定(ding)(ding)(ding)是否進(jin)行(xing)修(xiu)磨(mo)，對(dui)(dui)于(yu)要進(jin)行(xing)修(xiu)磨(mo)的(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，修(xiu)磨(mo)后(hou)的(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)尺(chi)寸，不(bu)(bu)允(yun)(yun)(yun)許(xu)超過壁厚和外(wai)(wai)(wai)徑負偏差(cha)范圍。（4）結疤(ba)缺(que)(que)(que)(que)陷(xian)(xian)特征：鋼(gang)管(guan)(guan)(guan)(guan)(guan)內(nei)(nei)(nei)外(wai)(wai)(wai)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)呈(cheng)現(xian)邊緣有(you)(you)(you)(you)棱角的(de)斑疤(ba)。檢(jian)(jian)(jian)(jian)查(cha)(cha)判定(ding)(ding)(ding)：用(yong)檢(jian)(jian)(jian)(jian)查(cha)(cha)鋼(gang)管(guan)(guan)(guan)(guan)(guan)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)允(yun)(yun)(yun)許(xu)有(you)(you)(you)(you)輕微的(de)小軋(ya)。嚴重者(zhe)修(xiu)磨(mo)后(hou)，鋼(gang)管(guan)(guan)(guan)(guan)(guan)應保證尺(chi)寸規(gui)(gui)格。（5）孔洞（撕破(po)）。缺(que)(que)(que)(que)陷(xian)(xian)特征：鋼(gang)管(guan)(guan)(guan)(guan)(guan)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)有(you)(you)(you)(you)撕破(po)的(de)現(xian)象(xiang)，可能在(zai)(zai)局部出現(xian)。檢(jian)(jian)(jian)(jian)查(cha)(cha)判定(ding)(ding)(ding)：用(yong)檢(jian)(jian)(jian)(jian)查(cha)(cha)。鋼(gang)管(guan)(guan)(guan)(guan)(guan)不(bu)(bu)允(yun)(yun)(yun)許(xu)存在(zai)(zai)撕破(po)，局部撕破(po)應予(yu)切除。（6）內(nei)(nei)(nei)折缺(que)(que)(que)(que)陷(xian)(xian)特征：鋼(gang)管(guan)(guan)(guan)(guan)(guan)內(nei)(nei)(nei)呈(cheng)螺旋(xuan)形，或無規(gui)(gui)則的(de)分(fen)布(bu)鋸齒(chi)狀折疊(die)(die)。檢(jian)(jian)(jian)(jian)查(cha)(cha)判定(ding)(ding)(ding)：用(yong)檢(jian)(jian)(jian)(jian)查(cha)(cha)，鋼(gang)管(guan)(guan)(guan)(guan)(guan)內(nei)(nei)(nei)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)不(bu)(bu)允(yun)(yun)(yun)許(xu)有(you)(you)(you)(you)內(nei)(nei)(nei)折疊(die)(die)，局部內(nei)(nei)(nei)折應予(yu)切除全長內(nei)(nei)(nei)折應判廢(fei)。（7）青線(xian)(xian)(xian)缺(que)(que)(que)(que)陷(xian)(xian)特征：鋼(gang)管(guan)(guan)(guan)(guan)(guan)外(wai)(wai)(wai)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)呈(cheng)現(xian)對(dui)(dui)稱或不(bu)(bu)對(dui)(dui)稱的(de)線(xian)(xian)(xian)形軋(ya)痕(hen)(hen)，沿縱向分(fen)布(bu)，有(you)(you)(you)(you)的(de)帶指甲狀壓印。檢(jian)(jian)(jian)(jian)查(cha)(cha)判定(ding)(ding)(ding)：用(yong)檢(jian)(jian)(jian)(jian)查(cha)(cha)，鋼(gang)管(guan)(guan)(guan)(guan)(guan)青線(xian)(xian)(xian)允(yun)(yun)(yun)許(xu)存在(zai)(zai)深度小于(yu)0.1mm的(de)青線(xian)(xian)(xian)，對(dui)(dui)于(yu)一般(ban)鋼(gang)管(guan)(guan)(guan)(guan)(guan)其青線(xian)(xian)(xian)不(bu)(bu)予(yu)考慮。（8）擦傷(shang)缺(que)(que)(que)(que)陷(xian)(xian)特征：鋼(gang)管(guan)(guan)(guan)(guan)(guan)外(wai)(wai)(wai)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)呈(cheng)現(xian)螺旋(xuan)形傷(shang)痕(hen)(hen)，及有(you)(you)(you)(you)規(gui)(gui)律(lv)或無規(gui)(gui)律(lv)的(de)溝痕(hen)(hen)。檢(jian)(jian)(jian)(jian)查(cha)(cha)判定(ding)(ding)(ding)：檢(jian)(jian)(jian)(jian)查(cha)(cha)，并(bing)用(yong)量(liang)具(ju)測量(liang)擦傷(shang)深度，深度小于(yu)0.1mm的(de)允(yun)(yun)(yun)許(xu)存。

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