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S155
BS S155
BMS 7 26
300M
AMS 6257
4340M
MIL S 8844
| Element | Min | Max |
|---|---|---|
| C (Carbon) | 0.39% | 0.44% |
| Cr (Chromium) | 1.6% | 2% |
| Mn (Manganese) | 0.6% | 0.9% |
| Mo (Molybdenum) | 0.4% | 0.6% |
| Ni (Nickel) | 3.5% | 4.5% |
| P (Phosphorus) | 0.015% | |
| S (Sulphur) | 0.01% | |
| Si (Silicon) | 1.5% | 1.8% |
| V (Vanadium) | 0.05% | 0.1% |
| Mechanical Properties | Min | Max |
|---|---|---|
| Ultimate Tensile Strength (UTS) | 1900 MPa | 2100 MPa |
| 0.2% Proof Stress | 1550 MPa | |
| Elongation | 8% | |
| Hardness (Brinell) | 302 HB | |
| Reduction of Area | 30% |
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Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
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