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Coated 304 Weight 36 Inch Seamless Stainless Steel Pipe Standard ASTM A213, A312, A269 and A270 Material Grade 201: Ni 0.8%~1% 202: Ni 3.5%~4.5% 304: Ni 8%, Cr 18% 316: Ni 10%, Cr 18% 316L: Ni10%~14% ...