40CRMNE
1 source records. Standards, editions and conditions are presented separately; matching grade names do not establish interchangeability.
Refer to each source for mass fractions and analysis type. Missing values are not treated as 0. Manufacturer typical values, standard guarantees and measured heat results must remain separate. Use the material selector for calculations and condition selection.
Open condition selection, comparison and carbon-equivalent tools for 40CRMNE →40CrMnE · GB/T 3077-2015
Chemical composition source verified; this does not verify every standard clause, actual supply or measured heat results
- Material category
- Alloy steel
- Subcategory
- Alloy structural steel
- Material form
- Reference record
- Original record status
- Original standard verified
- Standard edition
- GB/T 3077-2015
- Table / clause
- Tables 1 and 2; A/E designation rules in the endnote to Table 1
Carbon-equivalent reference
Composition
| Element | Composition requirement |
|---|---|
| C | 0.37 ～ 0.45 |
| Mn | 0.9 ～ 1.2 |
| Cr | 0.9 ～ 1.2 |
| Si | 0.17 ～ 0.37 |
| P | ≤ 0.02 (lower limit not stated) |
| S | ≤ 0.01 (lower limit not stated) |
| Cu | ≤ 0.25 (lower limit not stated) |
| Ni | ≤ 0.3 (lower limit not stated) |
| Mo | ≤ 0.1 (lower limit not stated) |
Applicability and limitations
GB/T 3077-2015 Table 1 gives ladle analysis; Table 2 gives P/S and residual-element requirements. The final note to Table 1 allows ordering any grade as higher or special quality by adding A or E after the grade; this record is special-quality steel. For steel used in hot-pressure working, Cu ≤0.20%; the ordinary Cu maximum does not apply to this use. Explicit alloy ranges in Table 1 take priority; for Cr/Ni/Mo not specified there, use the residual limits in Table 2 and do not add residual limits on top of alloying-element ranges. Sn/Sb/As must be analyzed and recorded on the inspection certificate; any needed limits require agreement, and no generic numerical limits are invented here. Product-analysis deviations are handled separately under GB/T 222 and do not directly expand ladle limits. Mechanical properties depend on specimen dimensions and the recommended heat-treatment/delivery condition; this composition review does not constitute verification of properties.