Material reference
ASTM STEEL SPECIFICATION FOR ANSI, ASME, ASA FLANGES
Standard material requirement tables for forged steel flange purchasing, inspection documents and material review.
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ASTM material specifications for ASME/ANSI flanges
| ASTM | Grade | Classifi- Cation |
CHEMICAL COMPOSITION | MECHANICAL PROPERTIES | |||||||||||
| C % |
Mn % |
P Max % |
S Max % |
Si % |
Ni % |
Cr % |
Mo % |
T.S. Min psi (kg/mm2) |
Y.S. Min psi (kg/mm2) |
EL. Min. % |
Red Min. % |
HB | |||
| A-105*闂備浇澹堟禍顒傜矈缁?03c/div> | Carbon steel | MAX 0.35 | 0.60 ~ 1.05闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.05 | MAX 0.35 | MAX 0.40 | MAX 0.30 | MAX 0.12 | 70,000 (49.2) | 36,000 (25.3) | 22 | 30 | MAX 187 | |
| A-181 | 60 | Carbon steel | MAX 0.35 | MAX 0.90 | 0.05 | 0.05 | MAX 0.35 | - | - | - | 60,000 (42.2) | 36,000 (21.1) | 22 | 35 | - |
| A-181 | 70 | Carbon steel闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.35 | MAX 0.90闂備浇澹堟禍顒傜矈缁?03c/div> | 0.05 | 0.05 | MAX 0.35闂備浇澹堟禍顒傜矈缁?03c/div> | - | - | - | 70,000 (49.2) | 36,000 (25.3) | 18 | 24 | - |
| A-182 | F1 | 1/2Mo | MAX 0.28 | 0.6 ~ 0.90 | 0.045 | 0.045 | 0.15 ~ 0.35 | - | - | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 30 | 143 ~ 192 |
| A-182 | F5 | 5Cr - 1/2Mo | MAX 0.15 | 0.30 ~ 0.60 | 0.03 | 0.03 | MAX 0.50 | MAX 0.50 | 4.0 ~ 6.0 | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 35 | 143 ~ 217 |
| A-182 | F5a | 5Cr - 1/2Mo | MAX 0.25 | MAX 0.6 | 0.04 | 0.03 | MAX 0.50 | MAX 0.50 | 4.0 ~ 6.0 | 0.44 ~ 0.65 | 90,000 (63.3) | 65,000 (45.7) | 22 | 50 | 187 ~ 248 |
| A-182 | F11-1 | 1/4Cr - 1/2Mo | 0.05 ~ 0.15 | 0.30 ~ 0.60 | 0.03 | 0.03 | 0.50 ~ 1.00 | - | 1.00 ~ 1.50 | 0.44 ~ 0.65 | 60,000 (42.2) | 30,000 (21.1) | 20 | 45 | 121 ~ 174 |
| A-182 | F11-2 | 1/4Cr - 1/2Mo | 0.10 ~ 0.20 | 0.30 ~ 0.80 | 0.04 | 0.04 | 0.50 ~ 1.00 | - | 1.00 ~ 1.50 | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 30 | 143 ~ 207 |
| A-182 | F11-3 | 1/4Cr - 1/2Mo | 0.10 ~ 0.20 | 0.30 ~ 0.80 | 0.04 | 0.04 | 0.50 ~ 1.00 | - | 1.00 ~ 1.50 | 0.44 ~ 0.65 | 75,000 (52.7) | 45,000 (31.6) | 20 | 30 | 156 ~ 207 |
| A-182 | F12-1 | 1Cr - 1/2Mo | 0.05 ~ 0.15 | 0.30 ~ 0.60 | 0.045 | 0.045 | MAX 0.50 | - | 0.80 ~ 1.25 | 0.44 ~ 0.65 | 60,000 (42.2) | 30,000 (21.1) | 20 | 45 | 121 ~ 174闂備浇澹堟禍顒傜矈缁?03c/div> |
| A-182 | F12-2闂備浇澹堟禍顒傜矈缁?03c/div> | 1Cr - 1/2Mo | 0.10 ~ 0.20闂備浇澹堟禍顒傜矈缁?03c/div> | 0.30 ~ 0.80闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.04 | 0.10 ~ 0.60闂備浇澹堟禍顒傜矈缁?03c/div> | - | 0.80 ~ 1.25闂備浇澹堟禍顒傜矈缁?03c/div> | 0.44 ~ 0.65闂備浇澹堟禍顒傜矈缁?03c/div> | 70,000 (49.2)闂備浇澹堟禍顒傜矈缁?03c/div> | 40,000 (28.1)闂備浇澹堟禍顒傜矈缁?03c/div> | 20 | 30 | 143 ~ 207闂備浇澹堟禍顒傜矈缁?03c/div> |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F11闂備浇澹堟禍顒傜矈缁?03c/div> | 1-1/4Cr - 1/2Mo | 0.10 ~ 0.20闂備浇澹堟禍顒傜矈缁?03c/div> | 0.30 ~ 0.60闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.04 | 0.5 ~ 1.00闂備浇澹堟禍顒傜矈缁?03c/div> | - | 1.00 ~ 1.50闂備浇澹堟禍顒傜矈缁?03c/div> | 0.44 ~ 0.65闂備浇澹堟禍顒傜矈缁?03c/div> | 70,000 (49.2)闂備浇澹堟禍顒傜矈缁?03c/div> | 40,000 (28.1)闂備浇澹堟禍顒傜矈缁?03c/div> | 20 | 30 | 143 ~ 207闂備浇澹堟禍顒傜矈缁?03c/div> |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F12闂備浇澹堟禍顒傜矈缁?03c/div> | 1Cr - 1/2Mo | 0.10 ~ 0.20闂備浇澹堟禍顒傜矈缁?03c/div> | 0.30 ~ 0.80闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.04 | 0.1 ~ 0.6闂備浇澹堟禍顒傜矈缁?03c/div> | - | 0.80 ~ 1.25闂備浇澹堟禍顒傜矈缁?03c/div> | 0.44 ~ 0.65闂備浇澹堟禍顒傜矈缁?03c/div> | 70,000 (49.2)闂備浇澹堟禍顒傜矈缁?03c/div> | 40,000 (28.1)闂備浇澹堟禍顒傜矈缁?03c/div> | 20 | 30 | 143 ~ 207闂備浇澹堟禍顒傜矈缁?03c/div> |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F22闂備浇澹堟禍顒傜矈缁?03c/div> | 2-1/4Cr - 1Mo | MAX 0.15闂備浇澹堟禍顒傜矈缁?03c/div> | 0.30 ~ 0.60闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.04 | MAX 0.50闂備浇澹堟禍顒傜矈缁?03c/div> | - | 2.00 ~ 2.50闂備浇澹堟禍顒傜矈缁?03c/div> | 0.87 ~ 1.13闂備浇澹堟禍顒傜矈缁?03c/div> | 75,000 (52.7)闂備浇澹堟禍顒傜矈缁?03c/div> | 45,000 (31.6)闂備浇澹堟禍顒傜矈缁?03c/div> | 20 | 30 | 156 ~ 207闂備浇澹堟禍顒傜矈缁?03c/div> |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F304闂備浇澹堟禍顒傜矈缁?03c/div> | 18Cr - 8 Ni闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.08闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 2.00闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.03 | MAX 1.00闂備浇澹堟禍顒傜矈缁?03c/div> | 8.00 ~ 11.00闂備浇澹堟禍顒傜矈缁?03c/div> | 18.00 ~ 20.00闂備浇澹堟禍顒傜矈缁?03c/div> | - | 75,000 (52.7)闂備浇澹堟禍顒傜矈缁?03c/div> | 30,000 (21.1)闂備浇澹堟禍顒傜矈缁?03c/div> | 30 | 50 | - |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F304L闂備浇澹堟禍顒傜矈缁?03c/div> | 18Cr - 8 Ni Low闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.035闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 2.00闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.03 | MAX 1.00闂備浇澹堟禍顒傜矈缁?03c/div> | 8.00 ~ 13.00闂備浇澹堟禍顒傜矈缁?03c/div> | 18.00 ~ 20.00闂備浇澹堟禍顒傜矈缁?03c/div> | - | 70,000 (49.2)闂備浇澹堟禍顒傜矈缁?03c/div> | 25,000 (17.6)闂備浇澹堟禍顒傜矈缁?03c/div> | 30 | 50 | - |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F316闂備浇澹堟禍顒傜矈缁?03c/div> | 18Cr - 8 Ni Mo闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.08闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 2.00闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.03 | MAX 1.00闂備浇澹堟禍顒傜矈缁?03c/div> | 8.00 ~ 14.00闂備浇澹堟禍顒傜矈缁?03c/div> | 16.00 ~ 18.00闂備浇澹堟禍顒傜矈缁?03c/div> | 2.00 ~ 3.00闂備浇澹堟禍顒傜矈缁?03c/div> | 75,000 (52.7)闂備浇澹堟禍顒傜矈缁?03c/div> | 30,000 (21.7)闂備浇澹堟禍顒傜矈缁?03c/div> | 30 | 50 | - |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F316L闂備浇澹堟禍顒傜矈缁?03c/div> | 18Cr - 8 Ni Mo - Low闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.035闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 2.00闂備浇澹堟禍顒傜矈缁?03c/div> | 0.04 | 0.03 | MAX 1.00闂備浇澹堟禍顒傜矈缁?03c/div> | 10.00 ~ 15.00闂備浇澹堟禍顒傜矈缁?03c/div> | 16.00 ~ 18.00闂備浇澹堟禍顒傜矈缁?03c/div> | 2.00 ~ 3.00闂備浇澹堟禍顒傜矈缁?03c/div> | 65,000 (45.7)闂備浇澹堟禍顒傜矈缁?03c/div> | 25,000 (17.6)闂備浇澹堟禍顒傜矈缁?03c/div> | 30 | 50 | - |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F321闂備浇澹堟禍顒傜矈缁?03c/div> | 18Cr - 8 Ni Ti闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.08闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 2.00闂備浇澹堟禍顒傜矈缁?03c/div> | 0.03 | 0.03 | MAX 1.00闂備浇澹堟禍顒傜矈缁?03c/div> | 9.00 ~ 12.00闂備浇澹堟禍顒傜矈缁?03c/div> | Min 17.00闂備浇澹堟禍顒傜矈缁?03c/div> | - | 75,000 (52.7)闂備浇澹堟禍顒傜矈缁?03c/div> | 30,000 (21.1)闂備浇澹堟禍顒傜矈缁?03c/div> | 30 | 50 | - |
| A-182闂備浇澹堟禍顒傜矈缁?03c/div> | F347闂備浇澹堟禍顒傜矈缁?03c/div> | 18Cr - 8 Ni Cb闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.08闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 2.00闂備浇澹堟禍顒傜矈缁?03c/div> | 0.03 | 0.03 | MAX 1.00闂備浇澹堟禍顒傜矈缁?03c/div> | 9.00 ~ 13.00闂備浇澹堟禍顒傜矈缁?03c/div> | 17.00 ~ 20.00闂備浇澹堟禍顒傜矈缁?03c/div> | - | 75,000 (52.7)闂備浇澹堟禍顒傜矈缁?03c/div> | 30,000 (21.1)闂備浇澹堟禍顒傜矈缁?03c/div> | 30 | 50 | - |
| A-350*闂備浇澹堟禍顒傜矈缁?03c/div> | LF1闂備浇澹堟禍顒傜矈缁?03c/div> | Carbon Steel闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.30闂備浇澹堟禍顒傜矈缁?03c/div> | 0.75 ~ 1.05闂備浇澹堟禍顒傜矈缁?03c/div> | 0.035 | 0.04 | 0.15 ~ 0.30闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.40闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.30闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.12闂備浇澹堟禍顒傜矈缁?03c/div> | 60,000 ~ 85,000 (42.2~59.7)闂備浇澹堟禍顒傜矈缁?03c/div> | 30,000 (21.1)闂備浇澹堟禍顒傜矈缁?03c/div> | 25 | 38 | - |
| A-350*闂備浇澹堟禍顒傜矈缁?03c/div> | LF2闂備浇澹堟禍顒傜矈缁?03c/div> | Carbon Steel闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.30闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 1.35闂備浇澹堟禍顒傜矈缁?03c/div> | 0.035 | 0.04 | 0.15 ~ 0.30闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.40闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.30闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.12闂備浇澹堟禍顒傜矈缁?03c/div> | 70,000 ~ 95,000 (49.2~66.8)闂備浇澹堟禍顒傜矈缁?03c/div> | 36,000 (25.3)闂備浇澹堟禍顒傜矈缁?03c/div> | 22 | 30 | - |
| A-350*闂備浇澹堟禍顒傜矈缁?03c/div> | LF3闂備浇澹堟禍顒傜矈缁?03c/div> | 3-1/2Ni | MAX 0.20闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.90闂備浇澹堟禍顒傜矈缁?03c/div> | 0.035 | 0.04 | 0.20 ~ 0.35闂備浇澹堟禍顒傜矈缁?03c/div> | 3.25 ~ 3.75闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.30闂備浇澹堟禍顒傜矈缁?03c/div> | MAX 0.12闂備浇澹堟禍顒傜矈缁?03c/div> | 70,000 ~ 95,000 (49.2~66.8)闂備浇澹堟禍顒傜矈缁?03c/div> | 37,500 (26.4)闂備浇澹堟禍顒傜矈缁?03c/div> | 22 | 35 | - |
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