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Flange Materials
| ASTM | Grade | Classifi-Cation | CHEMICAL COMPOSITION | MECHANICAL PROPERTIES | |||||||||||
| C | Mn | P | S | Si | Ni | Cr | Mo | T.S. Min | Y.S. Min | EL. | Red | HB | |||
| % | % | Max | Max | % | % | % | % | psi | psi | Min. | Min. | ||||
| % | % | (kg/mm2) | (kg/mm2) | % | % | ||||||||||
| A-105* | A-105* | Carbon steel | MAX 0.35 | 0.60 ~ 1.05 | 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 | MAX 0.35 | MAX 0.90 | 0.05 | 0.05 | MAX 0.35 | - | - | - | 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 |
| A-182 | F12-2 | 1Cr - 1/2Mo | 0.10 ~ 0.20 | 0.30 ~ 0.80 | 0.04 | 0.04 | 0.10 ~ 0.60 | - | 0.80 ~ 1.25 | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 30 | 143 ~ 207 |
| A-182 | F11 | 1-1/4Cr - 1/2Mo | 0.10 ~ 0.20 | 0.30 ~ 0.60 | 0.04 | 0.04 | 0.5 ~ 1.00 | - | 1.00 ~ 1.50 | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 30 | 143 ~ 207 |
| A-182 | F12 | 1Cr - 1/2Mo | 0.10 ~ 0.20 | 0.30 ~ 0.80 | 0.04 | 0.04 | 0.1 ~ 0.6 | - | 0.80 ~ 1.25 | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 30 | 143 ~ 207 |
| A-182 | F22 | 2-1/4Cr - 1Mo | MAX 0.15 | 0.30 ~ 0.60 | 0.04 | 0.04 | MAX 0.50 | - | 2.00 ~ 2.50 | 0.87 ~ 1.13 | 75,000 (52.7) | 45,000 (31.6) | 20 | 30 | 156 ~ 207 |
| A-182 | F304 | 18Cr - 8 Ni | MAX 0.08 | MAX 2.00 | 0.04 | 0.03 | MAX 1.00 | 8.00 ~ 11.00 | 18.00 ~ 20.00 | - | 75,000 (52.7) | 30,000 (21.1) | 30 | 50 | - |
| A-182 | F304L | 18Cr - 8 Ni Low | MAX 0.035 | MAX 2.00 | 0.04 | 0.03 | MAX 1.00 | 8.00 ~ 13.00 | 18.00 ~ 20.00 | - | 70,000 (49.2) | 25,000 (17.6) | 30 | 50 | - |
| A-182 | F316 | 18Cr - 8 Ni Mo | MAX 0.08 | MAX 2.00 | 0.04 | 0.03 | MAX 1.00 | 8.00 ~ 14.00 | 16.00 ~ 18.00 | 2.00 ~ 3.00 | 75,000 (52.7) | 30,000 (21.7) | 30 | 50 | - |
| A-182 | F316L | 18Cr - 8 Ni Mo - Low | MAX 0.035 | MAX 2.00 | 0.04 | 0.03 | MAX 1.00 | 10.00 ~ 15.00 | 16.00 ~ 18.00 | 2.00 ~ 3.00 | 65,000 (45.7) | 25,000 (17.6) | 30 | 50 | - |
| A-182 | F321 | 18Cr - 8 Ni Ti | MAX 0.08 | MAX 2.00 | 0.03 | 0.03 | MAX 1.00 | 9.00 ~ 12.00 | Min 17.00 | - | 75,000 (52.7) | 30,000 (21.1) | 30 | 50 | - |
| A-182 | F347 | 18Cr - 8 Ni Cb | MAX 0.08 | MAX 2.00 | 0.03 | 0.03 | MAX 1.00 | 9.00 ~ 13.00 | 17.00 ~ 20.00 | - | 75,000 (52.7) | 30,000 (21.1) | 30 | 50 | - |
| A-350* | LF1 | Carbon Steel | MAX 0.30 | 0.75 ~ 1.05 | 0.035 | 0.04 | 0.15 ~ 0.30 | MAX 0.40 | MAX 0.30 | MAX 0.12 | 60,000 ~ 85,000 (42.2~59.7) | 30,000 (21.1) | 25 | 38 | - |
| A-350* | LF2 | Carbon Steel | MAX 0.30 | MAX 1.35 | 0.035 | 0.04 | 0.15 ~ 0.30 | MAX 0.40 | MAX 0.30 | MAX 0.12 | 70,000 ~ 95,000 (49.2~66.8) | 36,000 (25.3) | 22 | 30 | - |
| A-350* | LF3 | 3-1/2Ni | MAX 0.20 | MAX 0.90 | 0.035 | 0.04 | 0.20 ~ 0.35 | 3.25 ~ 3.75 | MAX 0.30 | MAX 0.12 | 70,000 ~ 95,000 (49.2~66.8) | 37,500 (26.4) | 22 | 35 | - |
NOTE:
1. OTHER ELEMENTS : copper (0.40% MAX), Vanadium (0.03% MAX), Columbium (0.02% MAX.)
2. The sum of Cu, Ni, Cr and Mo shall not be exceed 1.00%
3. The sum of Cr and Mo shall not be exceed 0.32%
| ASTM | Grade | Classifi-Cation | CHEMICAL COMPOSITION | MECHANICAL PROPERTIES | |||||||||||
| C | Mn | P | S | Si | Ni | Cr | Mo | T.S. Min | Y.S. Min | EL. | Red | HB | |||
| % | % | Max | Max | % | % | % | % | psi | psi | Min. | Min. | ||||
| % | % | (kg/mm2) | (kg/mm2) | % | % | ||||||||||
| A-105* | A-105* | Carbon steel | MAX 0.35 | 0.60 ~ 1.05 | 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 | MAX 0.35 | MAX 0.90 | 0.05 | 0.05 | MAX 0.35 | - | - | - | 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 |
| A-182 | F12-2 | 1Cr - 1/2Mo | 0.10 ~ 0.20 | 0.30 ~ 0.80 | 0.04 | 0.04 | 0.10 ~ 0.60 | - | 0.80 ~ 1.25 | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 30 | 143 ~ 207 |
| A-182 | F11 | 1-1/4Cr - 1/2Mo | 0.10 ~ 0.20 | 0.30 ~ 0.60 | 0.04 | 0.04 | 0.5 ~ 1.00 | - | 1.00 ~ 1.50 | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 30 | 143 ~ 207 |
| A-182 | F12 | 1Cr - 1/2Mo | 0.10 ~ 0.20 | 0.30 ~ 0.80 | 0.04 | 0.04 | 0.1 ~ 0.6 | - | 0.80 ~ 1.25 | 0.44 ~ 0.65 | 70,000 (49.2) | 40,000 (28.1) | 20 | 30 | 143 ~ 207 |
| A-182 | F22 | 2-1/4Cr - 1Mo | MAX 0.15 | 0.30 ~ 0.60 | 0.04 | 0.04 | MAX 0.50 | - | 2.00 ~ 2.50 | 0.87 ~ 1.13 | 75,000 (52.7) | 45,000 (31.6) | 20 | 30 | 156 ~ 207 |
| A-182 | F304 | 18Cr - 8 Ni | MAX 0.08 | MAX 2.00 | 0.04 | 0.03 | MAX 1.00 | 8.00 ~ 11.00 | 18.00 ~ 20.00 | - | 75,000 (52.7) | 30,000 (21.1) | 30 | 50 | - |
| A-182 | F304L | 18Cr - 8 Ni Low | MAX 0.035 | MAX 2.00 | 0.04 | 0.03 | MAX 1.00 | 8.00 ~ 13.00 | 18.00 ~ 20.00 | - | 70,000 (49.2) | 25,000 (17.6) | 30 | 50 | - |
| A-182 | F316 | 18Cr - 8 Ni Mo | MAX 0.08 | MAX 2.00 | 0.04 | 0.03 | MAX 1.00 | 8.00 ~ 14.00 | 16.00 ~ 18.00 | 2.00 ~ 3.00 | 75,000 (52.7) | 30,000 (21.7) | 30 | 50 | - |
| A-182 | F316L | 18Cr - 8 Ni Mo - Low | MAX 0.035 | MAX 2.00 | 0.04 | 0.03 | MAX 1.00 | 10.00 ~ 15.00 | 16.00 ~ 18.00 | 2.00 ~ 3.00 | 65,000 (45.7) | 25,000 (17.6) | 30 | 50 | - |
| A-182 | F321 | 18Cr - 8 Ni Ti | MAX 0.08 | MAX 2.00 | 0.03 | 0.03 | MAX 1.00 | 9.00 ~ 12.00 | Min 17.00 | - | 75,000 (52.7) | 30,000 (21.1) | 30 | 50 | - |
| A-182 | F347 | 18Cr - 8 Ni Cb | MAX 0.08 | MAX 2.00 | 0.03 | 0.03 | MAX 1.00 | 9.00 ~ 13.00 | 17.00 ~ 20.00 | - | 75,000 (52.7) | 30,000 (21.1) | 30 | 50 | - |
| A-350* | LF1 | Carbon Steel | MAX 0.30 | 0.75 ~ 1.05 | 0.035 | 0.04 | 0.15 ~ 0.30 | MAX 0.40 | MAX 0.30 | MAX 0.12 | 60,000 ~ 85,000 (42.2~59.7) | 30,000 (21.1) | 25 | 38 | - |
| A-350* | LF2 | Carbon Steel | MAX 0.30 | MAX 1.35 | 0.035 | 0.04 | 0.15 ~ 0.30 | MAX 0.40 | MAX 0.30 | MAX 0.12 | 70,000 ~ 95,000 (49.2~66.8) | 36,000 (25.3) | 22 | 30 | - |
| A-350* | LF3 | 3-1/2Ni | MAX 0.20 | MAX 0.90 | 0.035 | 0.04 | 0.20 ~ 0.35 | 3.25 ~ 3.75 | MAX 0.30 | MAX 0.12 | 70,000 ~ 95,000 (49.2~66.8) | 37,500 (26.4) | 22 | 35 | - |
NOTE:
1. OTHER ELEMENTS : copper (0.40% MAX), Vanadium (0.03% MAX), Columbium (0.02% MAX.)
2. The sum of Cu, Ni, Cr and Mo shall not be exceed 1.00%
3. The sum of Cr and Mo shall not be exceed 0.32%