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13CrMo4-5 1.7335 EN10028-2 Alloy Steel Forgings Rings Turbine Forging
Surface Finish:3.2um Ra Or As Required.
Forging Reduction Min:3 Or As Required
Rought machining or Finis Machining
13CrMo4-5 Chemica composition:
| % | C | Si | Mn | P | S | Cr | Cu | Al tot | Mo |
| Min | 0.08 | 0.40 | 0.7 | 0.40 | |||||
| Max | 0.18 | 0.35 | 1.00 | 0.025 | 0.010 | 1.15 | 0.30 | 1) | 0.60 |
1)The Al content of the cast shall be determined and given in the inspection document.
Heat Treatment:
Solution annealed
Mechanical Properties:
| Product thickness t mm | Condition | Upper yield strength ReH Mpa min 2) | Tensile strength Rm Mpa | Elongation after fracture A% | Impact energy KVJ(+20) |
| -16 | +NT | 300 | 450-600 | 19 | 31 |
| (16)-60 | +NT | 290 | 450-600 | 19 | 31 |
| (60)-100 | +NT | 270 | 440-590 | 19 | 31 |
| (100)-150 | +NT,+QT | 255 | 430-580 | 19 | 31 |
| (150)-250 | +QT | 245 | 420-570 | 19 | 31 |
The main manufacturing equipments:
