1.ASTM A106/A53 GR.B 2.Outer diameter:10.3-914.4mm 3.Wall thickness: ... /A53/API 5L(2) Material: 10#, 20#, 16Mn, A106Gr.A/B/C,(3)Specification: O.D: 21.3mm-711.2 mm ... markChemical componentsMechanical propertyCSiMnP,SCuNiMoCrVTensileStrengthYieldStrengthElongationASTM A53A≤0.25/≤0.92≤0.05≤0.06≤0.40≤0.15≤0.40≤0.08 ... ≥330≥205≥29.5B≤0.30/≤1.2≤0.05≤0.06≤0.40≤0.15≤0.40≤0.08 ...