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                        输油管道用Q345B螺旋钢管厂家

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                        品牌: 五洲螺旋钢管
                        单价: 3767.00元/吨
                        起订: 1 吨
                        供货总量: 300000 吨
                        发货期限: 自买家付款之日起 3 天内发货
                        所在地: 河北 沧州市
                        有效期至: 长期有效
                        最后更新: 2019-03-25 20:50:59
                        浏?#26469;?#25968;: 1
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                        输油管道用Q345B螺旋钢管厂家

                        河北沧州螺旋钢管集团有限公司,本公司专业生产销售螺旋钢管,API5L螺旋管大型企业之一,经过多年发展,在沧州地区形成了较大的规模,公司?#29992;?#22269;引进的林肯自动双丝、双面埋弧焊螺旋管生产线13条,年产φ219-φ3500mm,壁厚5mm-25mm,材质为Q235A、Q235B,B20#,Q345,16Mn,L245,L290等

                        全部采用SY/T5037-2000、GB/T9711.1-1997标准和APISpec5L标准产品广泛用于天?#40644;?/a>、石油、化工、电力、热力、给排水、蒸汽供热、水电站用压力钢管、火力发电、水源等长距离输送管线及打桩、桥梁、钢结构等工程领域公司专业生产大口径螺旋钢管、大口径排污螺旋钢管、螺旋钢管厂家。螺旋钢管是?#28304;?#38050;卷板为原材料,经常温挤压成型,以自动双丝双面埋弧焊工艺焊接而成的螺旋缝钢管.主要生产流程如下?#28023;?)原材料即带钢卷,焊丝,焊剂。在投入前?#23478;?#32463;过?#32454;?#30340;理化检验。(2)带钢头尾对接,采用单丝或双丝埋弧焊接,在卷成钢管后采用自动埋弧焊?#36141;浮#?)成型前,带钢经过矫平、剪边、刨边,表面清理输送和予弯边处理。(4)采用电接点压力表控制输送机两边压下油缸的压力,确保了带钢的平稳输送。(5)采用外控或内控辊式成型。(6)采用焊缝间隙控制装置来保证焊缝间隙满足焊接要求,管径,错边量和焊缝间隙都得到?#32454;?#30340;控制。(7)内焊和外焊均采用美国林肯电焊机进行单丝或双丝埋弧焊接,从而获得稳定的焊接规范。(8)焊完的焊缝均经过在线连续超声波自动伤仪检查,保证了100%的螺旋焊缝的无损检测覆盖率。若有缺陷,自动报警并喷涂标记,生产工人?#26469;?#38543;时调整工艺参数,及时消除缺陷。(9)采用空气等离子切割机将钢管切成单根。(10)切成单根钢管后,每批钢管头三根要进行?#32454;?#30340;首检制度,检查焊缝的力学性能,化学成份,溶合状况,钢管表面质量以及经过无损探伤检验,确保制管工艺?#32454;?#21518;,才能正式投入生产。沧州螺旋钢管集团有限公司专业生产螺旋钢管。螺旋管的常用标?#23478;话?#20026;:SY/T5037-2000(部标、也叫 普通流体输送管道用螺旋缝埋弧焊钢管)、GB/T9711.1-1997(国标、也叫石油天?#40644;?#24037;业输送钢管交货技术条件第一部分:A级钢管(到目前要求?#32454;?#30340;有GB/T9711.2 B级钢管))、API-5L(美国石油协会、也叫管线钢管?#40644;?#20013;分为PSL1和PSL2两个级别)、SY/T5040-92(桩用螺旋缝埋弧焊钢管)。

                        制造工艺: 螺旋钢管是?#28304;?#38050;卷板为原材料,经常温挤城压成型,以自动双丝双面埋弧焊工 艺焊接而成的螺旋缝钢管.

                        输油管道用Q345B螺旋钢管厂家

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