Stainless Steel Bright Bar 1).Material:304,304L,316,316L,310S etc. 2).Surface: ... and hot rolled 3).Diameter:40-600 Name2520 Stainless Steel Round Bar/RodBrandTISCO,BAOSTEELMaterial Grade2520Diameterfrom 4mm to 500mmLength12m,11.8m,6m,5 ... pressure test, Crystal rot test, Heat treatment, NDT Chemical Composition of Material Composition Material201202304316430C≤0.15≤0.15≤0.08≤0 ...