1141
Data verified1141 pairs 1040-class carbon with 1.35–1.65% manganese and resulfurization, giving free-machining bar with better hardenability than 1140. It is a popular cold drawn grade for machined shafts and studs.
Chemical composition
| Element | Content (%) |
|---|---|
| C | 0.37–0.45 |
| Mn | 1.35–1.65 |
| P | ≤0.040 |
| S | 0.08–0.13 |
Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.
Properties
| Tensile strength | 560–670 MPa (hot rolled, typ.) |
| Density | 7.85 g/cm³ |
Heat treatment
Normalize 850–880 °C; induction hardening common for shafts.
Equivalent grades
| Standard | Designation |
|---|---|
| aisi | 1141 |
Compare side by side: 1141 vs 1144 · 1141 vs 1137
Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.
Applications & Processing
Applications: Shafts, studs, tie rods, machined automotive parts.
Processing: Excellent machinability; avoid welding; responds to induction hardening.
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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.