A medium tensile, low carbon manganese steel which is readily weldable and possess good impact resistance. This material is commonly supplied in the untreated or normalized condition. Machinability of this material is similar to that of mild steel.
Mechanical Properties
S355JR mechanical properties at room temperature are listed in the datasheet below, including tensile strength, yield strength, and elongation, etc.
| Yield Strength, Mpa, ≥ | |||||||||
| Steel Grade (Material Number) | t≤16 | 16< t ≤40 | 40< t ≤63 | 63< t ≤80 | 80< t ≤100 | 100< t ≤150 | 150< t ≤200 | 200< t ≤250 | 250< t ≤400 |
| S355JR (1.0045) | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 | 265 |
| Tensile Strength, Mpa, ≥ | |||
| Material (Steel Number) | t<3 | 3 ≤ t ≤ 100 | 100 < t ≤400 |
| S355JR (1.0045) | 510-680 | 470-630 | 450-600 |
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