S275JR grade steel is a readily weldable low carbon manganese steel with good impact resistance.This material is commonly supplied in the untreated or normalised condition.Machinability of this material is similar to that of mild steel.
Typical Applications
- Construction
- Engineering
- Yellow goods
- Tanks
- Rail
- Bridges
- Energy
S275JR steel is a structural steel grade which be used in riveted, bolted, or welded construction of bridges and buildings.
| Nominal thickness =< 40(mm) C max = 0.21 Nominal thickness =< 40(mm) CEV max = 0.40 |
| C | Mn | P | S | N | Cu | CEV |
| max 0.22 | max 1.5 | max 0.04 | max 0.04 | max 0.012 | max 0.55 | max 0.42 |
Mechanical properties of steel S275JR (1.0044)
| Nominal thickness (mm): | to 3 | 3 – 100 | 100 – 150 | 150 – 250 |
| Rm – Tensile strength (MPa) Flat and long products | 430-580 | 410-560 | 400-540 | 380-540 |
| Nominal thickness (mm): | to 16 | 16 – 40 | 40 – 63 | 63 – 80 | 80 – 100 | 100 – 150 | 150 – 200 | 200 – 250 |
| ReH – Minimum yield strength (MPa) Flat and long products | 275 | 265 | 255 | 245 | 235 | 225 | 215 | 205 |
| KV – Impact energy (J) longitud., | -20° 27 | 0° 27 | +20° 27 |
| Nominal thickness (mm): | to 1 | 1 – 1.5 | 1.5 – 2 | 2 – 2.5 | 2.5 – 3 |
| A – Min. elongation Lo = 80 mm (%) parallel, | 15 | 16 | 17 | 18 | 19 |
| Nominal thickness (mm): | 3 – 40 | 40 – 63 | 63 – 100 | 100 – 150 | 150 – 250 |
| A – Min. elongation Lo = 5,65 √ So (%) parallel, | 23 | 22 | 21 | 19 | 18 |
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