Chemical Composition(%) | |||||||||
C | Mn | Si | Cr | Ni | P | S | Mo | N | - |
Max 0.03 | Max 2.0 | Max 1.0 | 21.0-23.0 | 4.5-6.5 | Max 0.03 | Max 0.015 | 2.9-3.5 | 0.14-0.2 | - |
Grade | Tensile Str (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell C (HR C) | Brinell (HB) | ||||
2205 | 621 | 448 | 25 | 31 max | 293 max |