... ,advanced testing equipment. 3,competitive price . Specifications1)Commodity:welded Stainless Steel Tube 2))Material: 304,316L,304L,316,321,310S, ... 1m-12m Welded Stainless Steel TubeMaterial Grade 304,304L,316 ,316L,321,310S and so on.Standard ASTM A312, A554, A249, ... spectral analysis, intergranular corrosion, water pressure test, and mechanical property testing facilities.Payment 1) by L/C at sight ...