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Grade | %C, max | %S, max | %P, max | (%S + %P), max | %CE, max |
---|---|---|---|---|---|
Fe 415 | 0.3 | 0.06 | 0.06 | 0.11 | – |
Fe 500 | 0.3 | 0.055 | 0.055 | 0.105 | – |
Fe 500 D | 0.25 | 0.04 | 0.04 | 0.075 | 0.05 |
Fe 500 S | 0.32 | 0.04 | 0.04 | 0.075 | 0.061 |
Fe 550 D | 0.25 | 0.04 | 0.04 | 0.075 | 0.061 |
Fe 600 | 0.3 | 0.04 | 0.04 | 0.075 | – |
Variation, Over Specified Limit, %, Max | 0.02 | 0.005 | 0.005 | 0.01 | – |
Grade | 0.2 % Proof stress/Yield, stress, MPa MinMax | TS/YS Ratio | Elongation,%
Min | Total elong. at
max force, % Min |
---|---|---|---|---|
Fe 415 | 415– | ≥ 1.10, but TS not less than 485 MPa | 14.5 | – |
Fe 500 | 500– | ≥ 1.08, but TS not less than 545 MPa | 12 | – |
Fe 500 D | 500– | ≥ 1.10, but TS not less than 565 MPa | 16 | 5 |
Fe 500 S | 500650 | ≥ 1.25 | 16 | 8 |
Fe 550 D | 500– | ≥ 1.08, but TS not less than 600 MPa | 14.5 | 5 |
Fe 600 | 600– | ≥ 1.06, but TS not less than 660 MPa | 10 | – |
Up to and including 10
Nominal Size (mm) | Mandrel Diam. (mm) Grade wise
Fe 415Fe 500Fe 500 DFe 500 SFe 550 DFe 600 |
---|---|
Bend Test | |
Up to and including 20 | 3ɸ, 4ɸ, 3ɸ, 3ɸ, 4ɸ, 5ɸ |
Over 20 | 4ɸ, 5ɸ, 4ɸ, 4ɸ, 5ɸ, 6ɸ |
Re-Bend Test | |
Over 10 | 7ɸ, 7ɸ, 6ɸ, 6ɸ, 7ɸ, 9ɸ |
Where ɸ is the nominal size of the test piece, in mm. |
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