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B7
ASTM A193
UNS S30400
Alloy Steel/Stainless Steel
Base Element Fe(Iron)
| Element | Min | Max |
|---|---|---|
| C (Carbon) | 0.37% | 0.49% |
| Cr(Chromium) | 0.75% | 1.2% |
| Mn (Manganese) | 0.65% | 1.1% |
| Mo (Molybdenum) | 0.15% | 0.25% |
| P (Phosphorus) | 0.035% | |
| S (Sulphur) | 0.04% | |
| Si (Silicon) | 0.15% | 0.35% |
| Mechanical Properties | Min | Max |
|---|---|---|
| Ultimate Tensile Strength (UTS) | 860 MPa | |
| 0.2% Proof Stress | 720 MPa | |
| Elongation | 16% | |
| Gauge Length | A4D | |
| Hardness (Brinell) | 321 HB | |
| Hardness (Rockwell C) | 35 HRC |
Bolting for pressure vessels, valves, flanges and fittings for high temperature or high pressure services.
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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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