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HR251
HR251 material is B.S. BS HR 251 (1974) Specification for heat-resisting alloy plate, sheet and strip (Ni 25.5, Cr 14.7, Ti 1.8, Mn 1.5, Mo 1.2, V 0.3, Fe remainder) Specification for heat-resisting alloy plate, sheet and strip (Ni 25.5, Cr 14.7, Ti 1.8, Mn 1.5, Mo 1.2, V 0.3, Fe remainder).
Chemical composition of HR251, HR251 mechanical properties, HR251 datasheet, HR251 equivalent grade, Heat treatment and temperature process of HR251.
HR251 property sheet
HR251 Spec.
| B.S. BS HR 251 (1974) Specification for heat-resisting alloy plate, sheet and strip (Ni 25.5, Cr 14.7, Ti 1.8, Mn 1.5, Mo 1.2, V 0.3, Fe remainder) |
Related Materials
| HR251 |
Chemical Composition of HR251
| C: | Max | 0.06 |
| Si: | Max | 0.50 |
| Mn: | Max | 2.00 |
| P: | Max | 0.020 |
| S: | Max | 0.015 |
| Cr: | 13.50 | 16.00 |
| Ni: | 24.00 | 27.00 |
| Mo: | 1.00 | 1.50 |
| Co: | Max | Min |
| Ti: | 1.70 | 2.00 |
| Fe: | Max | remaining |
| Al: | Max | 0.35 |
| V: | 1.70 | 2.00 |
| B: | 0.003 | 0.010 |
| Pb: | Max | 0.005 |
Mechanical Properties of HR251
| Rp0.2 (MPa) | 489 (≥) |
| Rm (MPa) | 745 (≥) |
| AKV (J) | 23 |
| A (%) | 22 |
| Z (%) | 24 |
| Hardness | HBW 432 |
HR251 shape and dimensions
| HR251 Round bar: | 1mm-800mm |
| HR251 Square bar: | 10mm * 10mm-600mm *600mm |
| HR251 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| HR251 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| HR251 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| HR251 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |
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