Muriel002:钢管的壁厚是多少啊?
1.B.I. Pipe sch.40 welded size: 28'' dia 6m length
2.1 unit- B.I. Pipe sch. 20 welde size: 26''dia 6m length
3. 1 unit- Carbon Steel Pipe sch.40 welded size: 28'' dia 6m length
4. 1 unit- Carbon Steel Pipe sch. 20 welde size: 26''dia 6m length
对应的壁厚是多少啊?
在壁厚对照表上找不到。
求解!!
yfti2009:17.48mm和 12.7mm