S235JR S235J0 S235J2 S275JR S275J0 S275J2 S355JR S355J0 S355J2 S355K2 Structural Steel
1: S235 steel introduction
Structural steel is a standard construction material made from specific grades of steel and formed in a range of industry-standard cross-sectional shapes (or 'Sections'). Structural steel grades are designed with specific chemical compositions and mechanical properties formulated for particular applications.
There are many examples of European grades of structural steel - for example, S195, S235, S275, S355, S420, and S460. But S235, S275, and S355 are three common structural steel grades used in all manner of construction projects across the EU.
2: S235 Steel equivalent
| Country | Japan | Europe | | USA | China |
| Standard | JIS | EN10025
2004 | EN10025
1990 | DIN 17100 | ASTM | GB/T |
| Grade | SS400 | S235JR | 1.0038 | S235JRG2 | RST37-2 | A283C | Q235B |
| | S235J0 | 1.0114 | S235J0 | ST37-3U | | Q235C |
| | S235J2 | 1.0117 | S235J2G4 | (ST37-3N) | A36 | Q235D |
| | S275JR | 1.0044 | S275JR | ST44-2 | A570Gr40 | Q275B |
| | S275J0 | 1.0143 | S275J0 | ST44-3U | | Q275C |
| | S275J2 | 1.0145 | S275J2G4 | (ST44-3N) | | Q275D |
| | S355JR | 1.0045 | S355JR | | A572Gr50 | Q355B |
| | S355J0 | 1.0553 | S355J0 | ST52-3U | | Q355C |
| | S355J2 | 1.0577 | S355J2G4 | (ST52-3N) | | Q355D |
| | S355K2 | 1.0596 | S355K2G4 | | | Q355E |
3: S355 steel chemical composition
| Grade | C≤ | Si≤ | Mn≤ | P≤ | S≤ |
| S235JR | 0.17 | 1.4 | / | 0.035 | 0.035 |
| S235J0 | 0.17 | 1.4 | / | 0.030 | 0.030 |
| S235J2 | 0.17 | 1.4 | / | 0.025 | 0.025 |
| S275JR | 0.21 | 1.5 | / | 0.035 | 0.035 |
| S275J0 | 0.18 | 1.5 | / | 0.030 | 0.030 |
| S275J2 | 0.18 | 1.5 | / | 0.025 | 0.025 |
| S355JR | 0.24 | 1.6 | 0.55 | 0.035 | 0.035 |
| S355J0 | 0.20 | 1.6 | 0.55 | 0.030 | 0.030 |
| S355J2 | 0.20 | 1.6 | 0.55 | 0.025 | 0.025 |
| S355K2 | 0.20 | 1.6 | 0.55 | 0.025 | 0.025 |
4: S355 steel mechanical properties
Usually the delivery condition is as rolled or Normalized, if you want to know the properties datas, pls contact our sales contract.
5: S235 steel overviews
| Size | Round | Dia 10-500mm |
| Plate/Flat/Block | Thickness
6mm-500mm |
Width
100mm-2500mm |
| Heat treatment | As Rolled, Normalized |
| Surface condition | Black; Peeled; Polished; Machined |
| Delivery condition | Forged; Hot rolled; Cold drawn |
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, |
| Payment terms | T/T;L/C;/Money gram/ Paypal |
| Trade terms | FOB; CIF; C&F; etc.. |
| Delivery time | 30-45 days |
| Application | Structural steels are used in many ways and their application can be diverse. They are particularly useful because they offer the unique combination of good welding properties with guaranteed strengths. Structural steel is an extremely adaptable product and is often favored by engineers trying to maximize strength or 'S' structure while minimizing its weight.
It will come as no surprise that the construction industry is the biggest consumer of structural steel, where it is used for a number of purposes. Whether a small box lintel is used to carry the load of a structural wall in a residential property or a vast I-beam is bolted in place to hold the road surface on a bridge, structural steel can be specified, designed and fabricated for any type of job. |
6: Delivery condition
For hot forged bar, usually the delivery condition is hot forged, normalized, rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, normalized, Black surface.
For hot rolled plate, usually the delivery condition is hot rolled, normalized, black surface.
