1022
Data verified1022 is a low carbon, higher manganese steel with better hardenability than 1020 at the same carbon level. It is used for carburized parts and moderately loaded components where 1020 would be too soft in the core.
Chemical composition
| Element | Content (%) |
|---|---|
| C | 0.18–0.23 |
| Mn | 0.70–1.00 |
| 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 | 400–480 MPa (hot rolled, typ.) |
| Density | 7.85 g/cm³ |
| Weldability | Good |
Heat treatment
Used as-rolled/normalized, or case carburized for gear-type parts.
Equivalent grades
| Standard | Designation |
|---|---|
| din | C22 (near) |
| aisi | 1022 |
| jis | S20C (near) |
| gb | 20Mn (near) |
Compare side by side: 1022 vs SAE 1020 · 1022 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: Carburized gears and pinions, bolts, chain links, low-load shafts.
Processing: Good machinability and formability; weldable with standard low-carbon practice.
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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.