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K403
K403 material is Age hardening type Nickel base alloy.
Chemical composition of K403, K403 mechanical properties, K403 datasheet, K403 equivalent grade, Heat treatment and temperature process of K403.
K403 property sheet
Chemical Composition of K403
| C | 0.11-0.18 |
| Si | Max 0.5 |
| Mn | Max 0.5 |
| P | Max 0.02 |
| S | Max 0.01 |
| Cr | 10.0-12.0 |
| Ni | Balance |
| Mo | 3.80-4.50 |
| W | 4.80-5.50 |
| Co | 4.50-6.00 |
| B | 0.012-0.022 |
| Al | 5.30-5.90 |
| Ti | 2.30-2.90 |
| other | Ce:Max 0.01,Zr: 0.03-0.08 |
Mechanical Properties of K403
| Rp0.2 (MPa) | 523 (≥) |
| Rm (MPa) | 724 (≥) |
| AKV (J) | 31 |
| A (%) | 31 |
| Z (%) | 34 |
| Hardness | HBW 411 |
K403 shape and dimensions
| K403 Round bar: | 1mm-800mm |
| K403 Square bar: | 10mm * 10mm-600mm *600mm |
| K403 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| K403 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| K403 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| K403 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |
©Longhai Special Steel 2025
