Steel 40KHML
Designation
Description
40KHML steel is used: for the manufacture of castings to various industrial purpose.
Standards
Chemical composition
Fe is the basis.
Name | The value |
---|---|
Name | The value |
Designation GOST Cyrillic | 40ХМЛ |
Designation GOST Latin | 40XML |
Transliteration | 40HML |
By chemical elements | 40CrMo |
40KHML steel is used: for the manufacture of castings to various industrial purpose.
Standard | C | S | P | Mn | Cr | Si | Fe | Mo |
---|---|---|---|---|---|---|---|---|
Standard | C | S | P | Mn | Cr | Si | Fe | Mo |
GOST 977-88 | 0.38-0.45 | ≤0.04 | ≤0.04 | 0.5-0.8 | 0.8-1.2 | 0.2-0.5 | Rest | 0.2-0.3 |
Section, mm | sT|s0,2, MPa | σU, MPa | d | y, % | KCU, kJ/m2 |
---|---|---|---|---|---|
Section, mm | sT|s0,2, MPa | σU, MPa | d | y, % | KCU, kJ/m2 |
Casting. Annealing in air with 830-860 °C to + Leave in 530-670 °C, air cooling | |||||
100 | ≥481 | ≥677 | ≥11 | ≥20 | ≥206 |
Casting. Normalization at 850-880 °C + Vacation at 550-650 °C, air cooling | |||||
100 | ≥334 | ≥628 | ≥14 | ≥25 | ≥206 |