供应板卷管
板卷管执行标准
板卷管 http://www.lcgxgy.com/products-detail.asp?cpid=22
1、结构用板卷管:GB8162-2008
2、输送流体用地缝钢管:GB8163-2008
3、锅炉用板卷管:GB3087-2008
4、锅炉用高压钢板卷管:GB5310-2008(ST45.8-ⅲ型)
5、化肥设备用高压板卷管:GB6479-1999
6、地质钻探用板卷管:YB235-70
7、石油钻探用板卷管:YB528-65
8、石油裂化用板卷管:GB9948-88
9、石油钻铤专用钢板管:YB691-70
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