A36
The classic US carbon structural steel: 36 ksi (250 MPa) yield, 58–80 ksi (400–550 MPa) tensile.
Compared with S235 on its equivalents table.
- Yield strength ReH
- ≥ 250MPaConfirmed≤ 200 mm · up to 8 in.
- Tensile strength Rm
- 400–550MPaConfirmed
- Elongation after fracture A
- ≥ 20%Single sourceplates and bars, in 8 in. (200 mm)
- ≥ 23%Corroboratedplates and bars, in 2 in. (50 mm)
All values
Strength
Yield strength ReH
Upper yield strength guaranteed by the product standard (minimum).
| Condition | Value | Evidence |
|---|---|---|
| ≥ 250MPa | Confirmed | |
| ≥ 220MPa | Single source |
Tensile strength Rm
Ultimate tensile strength. Product standards give a range or a minimum.
| Condition | Value | Evidence |
|---|---|---|
| 400–550MPa | Confirmed |
Ductility
Elongation after fracture A
Minimum elongation; depends on gauge length and test direction.
| Condition | Value | Evidence |
|---|---|---|
| ≥ 20% | Single source | |
| ≥ 23% | Corroborated1 |
Listed as equivalent to
- S235 (EN 10025-2:2019) — Yield 250 MPa (36 ksi), between S235 and S275; tensile 400–550 MPa. No impact test unless ordered.
Sources here are public pages that reproduce ASTM A36/A36M. For design and acceptance, the standard edition named in your specification and the inspection certificate (EN 10204 3.1) of the delivered product take precedence.