1541
Data verified1541 upgrades 1040-class carbon with high manganese, the cheapest way to buy hardenability in a plain steel. It is widely used for axles, shafts and bolts in North American bar programs.
Chemical composition
| Element | Content (%) |
|---|---|
| C | 0.36–0.44 |
| Mn | 1.35–1.65 |
| P | ≤0.040 |
| S | ≤0.050 |
Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.
Properties
| Tensile strength | 600–720 MPa (normalized, typ.) |
| Density | 7.85 g/cm³ |
Heat treatment
Normalize 850–880 °C; quench 840 °C water/oil; better section response than 1045 thanks to manganese.
Equivalent grades
| Standard | Designation |
|---|---|
| aisi | 1541 |
| jis | SMn438 family (near) |
| gb | 40Mn (near) |
Compare side by side: 1541 vs 1045 · 1541 vs 1524
Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.
Applications & Processing
Applications: Axles, shafts, bolts and studs, forged parts, agricultural components.
Processing: Machines well; induction hardening effective; weld with preheat 200 °C.
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Ask for a quotationVisit NasteelSource: SAE J403 published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.