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HR40
HR40 material is B.S. BS HR 40 (1972) Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base, Cr 20, W 15, Ni 10, Mn 1.5) B.S. BS 2HR 40 (2010) Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base Cr 20, W 15, Ni 10, Mn 1.5) Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base Cr 20, W 15, Ni 10, Mn 1.5).
Chemical composition of HR40, HR40 mechanical properties, HR40 datasheet, HR40 equivalent grade, Heat treatment and temperature process of HR40.
HR40 property sheet
HR40 Spec.
| B.S. BS HR 40 (1972) Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base, Cr 20, W 15, Ni 10, Mn 1.5) |
| B.S. BS 2HR 40 (2010) Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base Cr 20, W 15, Ni 10, Mn 1.5) |
Chemical Composition of HR40
| C: | 0.05 | 0.15 |
| Si: | Max | 0.40 |
| Mn: | 1.00 | 2.00 |
| P: | Max | 0.040 |
| S: | Max | 0.030 |
| Cr: | 19.00 | 21.00 |
| Ni: | 9.00 | 11.00 |
| Mo: | Max | Min |
| Co: | Max | remaining |
| Ti: | Max | Min |
| Fe: | Max | 3.00 |
| W: | 14.00 | 16.00 |
Mechanical Properties of HR40
| Rp0.2 (MPa) | 363 (≥) |
| Rm (MPa) | 742 (≥) |
| AKV (J) | 42 |
| A (%) | 33 |
| Z (%) | 33 |
| Hardness | HBW 241 |
HR40 shape and dimensions
| HR40 Round bar: | 1mm-800mm |
| HR40 Square bar: | 10mm * 10mm-600mm *600mm |
| HR40 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| HR40 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| HR40 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| HR40 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |
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