EN10028-2 13CrMo4-5 steel specification:
EN 10028-2 defines non-alloy and alloy steels for pressure purposes with specified elevated temperature properties.
13CrMo45 steel intended for use in the fabrication of weldable steel pressure vessels and boilers in elevated temperature service.
EN10028-2 13CrMo4-5 chemical composition%:
| Grade | Chemical composition % | ||||||
| C | Si | Mn | P | S | N | V | |
| 13CrMo4-5 | 0.12-0.2 | ≤0.35 | 0.4-0.9 | ≤0.025 | ≤0.010 | ≤ 0.012 | ≤0.02 |
| Al | Nb | Cr | Ni | Mo | Cu b | Ti | |
| e | - | ≤0.30 | ≤0.30 | 0.25-0.35 | ≤0.30 | - | |
13CrMo4-5 steel plate mechanical properties:
| Grade | Yield strength min N/mm2 |
Tensile strength N/mm2 | |||||||||||
| Thickness, mm | Thickness, mm | ||||||||||||
| ≤16 | >16-60 | >60-100 | >100-150 | >150-250 | ≤60 | >60-100 | >100-150 | >150-250 | |||||
| 13CrMo4-5 | 300 | 290 | 270 | 255 | 245 | 450-600f | 440-590 | 430-580 | 420-570 | ||||
| Grade | The rate of break elongation | Min impact energY | |||||||||||
| % | KV,J,℃ | ||||||||||||
| -20 | 0 | 20 | |||||||||||
| 13CrMo4-5 | 19 | f | f | f | |||||||||
EN10028-2 13CrMo4-5 steel equicalent material
EN10028-2 standard includes varying quantities of chromium and molybdenum and some of these grades are broadly equivalent to those in the American standards ASME SA387 and ASTM A387.
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