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ASTM A572 Grade 50（345） Low alloy steel
As one of the most widely used steel materials, ASTM A572 Grade 50 steel has a lot of equivalent materials. For example, ASTM A572 Grade 50 equivalent JIS standard SM490A, ASTM A572 Grade 50 equivalent GB standard Q345B, ASTM A572 Grade 50 equivalent DIN standard ST52-3. But do you know ASTM A572 Grade 50 equivalent European standard?
ASTM A572 Grade 50 equivalent European standard is EN10025 S355JR. Below let us study their common points together.
ASTM A572 Grade 50 equivalent European standard EN10025 S355JR chemical composition:
| Grade | C (t≤16mm) | Si | Mn | P | S |
| A572 Grade 50 | 0.23 max | 0.40 max | 1.35 max | 0.04 max | 0.050 max |
| S355JR | 0.27 max | 0.6 | 1.70 max | 0.045 max | 0.045 max |
ASTM A572 Grade 50 equivalent European standard EN10025 S355JR mechanical properties:
| Grade | Yield strength ReH/(N/mm2) (t≤16mm) min | Tensile strength Rm/(N/mm2) (3mm≤t≤16mm) | Elongation A/% (3mm≤t≤40mm) min |
| A572 Grade 50 | 345 | 450 | 18 |
| S355JR | 355 | 470-630 | 22 |
The strength of ASTM A572 Grade 50 equivalent European standard EN10025 S355JR can completely match the strength requirements of EN10025 S355JR steel. And their chemical composition is also similar to each other. BBN steel supply both EN10025 S355JR steel and ASTM A572 Grade 50 equivalent European standard EN10025 S355JR. Welcome to contact us for more information about the steel materials.
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