Product Name: A335 P11 P12 Alloy Seamless Steel Tube Model NO.: KM-01 Standard: ASTM, DIN, JIS, GB, BS Size: 1/2"~12" Thickness: 2~20mm Trademark: Kingmetal Transport Package: Bundles or Seaworthy Wooden Cases Specification: ASTM A335 Origin: China Product Description A335 P11 P12 ALLOY SEAMLESS STEEL TUBEMaterial: ASTM A3351) Pipe Diameter: 1/2"-12"2) Thickness: 2mm-20mm3) Steel grade: P1 P2 P5 P11 P12 P914) Surface: Oiled or black painted to prevent rust5) Marking: As per customer's requirement6) Packing: Bundles or seaworthy wooden casesChemical Composition (%)GradeCSiMnPSCrMoCuNiVAlWNbNP110.05~0.150.5~1.00.3~0.6≤ 0.03≤ 0.031.0~1.50.5~1.0P120.05~0.15≤ 0.50.3~0.61≤ 0.03≤ 0.030.8~1.250.44~0.65P220.05~0.15≤ 0.50.3~0.6≤ 0.03≤ 0.031.9~2.60.87~1.13P5≤ 0.15≤ 0.50.3~0.6≤ 0.03≤ 0.034.0~6.00.45~0.65P910.08~0.120.2~0.50.3~0.6≤ 0.02≤ 0.018.0~9.50.85~1.05≤ 0.40.18~0.25≤ 0.0150.06~0.100.03~0.07P920.07~0.13≤ 0.50.3~0.6≤ 0.02≤ 0.018.5~9.50.3~0.6B0.001 0.006≤ 0.40.15~0.25≤ 0.0151.5~2.00.04~0.090.03~0.07Mechanical PropertiesGradeTensile strength(MPa)Yield strength(MPa)Elongation(%)Impact energy(J)HardnessP11≥ 415≥ 205≥ 22≥ 35≤ 163HBP12≥ 415≥ 220≥ 22≥ 35≤ 163HBP22≥ 415≥ 205≥ 22≥ 35≤ 163HBP5≥ 415≥ 205≥ 22≥ 35≤ 187HBP91585~760≥ 415≥ 20≥ 35≤ 250HBP92≥ 620≥ 440≥ 20≥ 35250HB