... stainless steel seamless and welded pipe production. The grades we manufacture includes 904L, S31254, N08367, N08926, N04400, N05500, N06600, ... Length (ASTM A213) of Super Stainless Steel PipeMethod of Manufacture Specified Outside Diameter, mm Cut Length, mm Over Under ... .3*3.91mm, 33.4*3.38mmGuodian Zhejiang Beilun First Power Generation Co.,Ltd.904L Stainless Steel Seamless Pipe: 50*6mmBeijing ...