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S355JR and S355J2 steel are widely used structure steel under standard EN10025-2. The two steel grades have much in common, as they have same Min. yield strength 355Mpa. However, it is also noted that they have difference in JR and J2.
The main difference is their application enviroments,steel materials S355J2 have to be done charp V notch impacting test at minus 20 deg.c,however S355JR no need.So S355J2 steel materials can be used in low temperature surroundings such as deep ocean platforms.
| Steel grades S355J2 vs S355JR | Chemical composition: Heat Analysis Max% | |||||||
| Standard | Grade | C | Mn | P | S | Si | N | Cu |
| EN 10025-2 | S355J2 | 0.20 | 1.60 | 0.025 | 0.025 | 0.55 | 0.012 | 0.55 |
| EN 10025-2 | S355JR | 0.24 | 1.60 | 0.035 | 0.035 | 0.55 | 0.012 | 0.55 |
| Mechanical Properties: | Thickness | Yield strength | Tensile strength | |||||
| Mpa Min. | Mpa | |||||||
| EN 10025-2 | S355J2 | T≤16 | 355 | 470-630 | ||||
| EN 10025-2 | S355JR | T≤16 | 355 | 470-630 | ||||
BBN steel stocks many sizes of EN 10025-2 materials plate S355J2,S355JR, steel plate,S355J2H seamless steel pipe,S355J2+N welded steel pipe, S355J2H hollow section, S355J2 angle bar,S355J2 round bar. If you have the steel demands, please feel free to contact us.
