China BS1387 ASTM Standard 4′′ Q235 Carbon Round Welded Bending Hot-Dipped Greenhouse Galvanized Seamless Steel Round Square Pipe Tube, Find details about China Seamless Pipe, Steel Pipe from BS1387 ASTM Standard 4′′ Q235 Carbon Round Welded Bending Hot-Dipped Greenhouse Galvanized Seamless Steel Round Square Pipe Tube
C | Si | Mn | P | S | Cr | Mo | Cu | Ni | |
ASTM A106 A | ≤0.25 | ≥0.10 | 0.27~0.93 | ≤0.035 | ≤0.035 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 |
ASTM A106B | ≤0.30 | ≥0.10 | 0.29~1.06 | ≤0.035 | ≤0.035 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 |
ASTM A106C | ≤0.35 | ≥0.10 | 0.29~1.06 | ≤0.35 | ≤0.35 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 |