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astm a572gr50 is equivalent to S355JR steel

 

Gangsteel, a leading manufacturer and exporter of structural steel plates, supplies premium EN 10025-2 S355JR steel plates for construction, bridges, and heavy machinery applications. S355JR is a non-alloy structural steel grade from EN 10025-2, offering high strength and good weldability.

Gangstel explores what is equivalent to S355JR steel, detailing its equivalents in other standards, chemical compositions, mechanical properties, and applications, helping engineers and fabricators select suitable alternatives for global projects.

 

equivalent to s355jr steel Overview of S355JR

 

S355JR is a European standard grade for hot-rolled structural steels with a minimum yield strength of 355 MPa. Its equivalents in other standards offer similar properties for international sourcing. Common equivalents include ASTM A572 Grade 50 (USA), DIN ST52-3 (Germany), JIS SM490A (Japan), and GB Q345B (China). Gangsteel offers S355JR with equivalents like EN 10025-2 S355J0 and EN 10025-2 S235J0, ensuring CE marking compliance.

 

equivalent to s355jr steel Grade Mapping

 

S355JR has direct equivalents based on strength and toughness. The table below maps it to key standards:

Standard

Equivalent Grade

Notes

ASTM (USA)

A572 Grade 50

Similar strength for construction.

DIN (Germany)

ST52-3

Equivalent mechanical properties.

JIS (Japan)

SM490A

For welded structures.

GB (China)

Q345B

Matches yield and impact.

NFA (France)

E36-2

For construction applications.

UNI (Italy)

Fe 510 B

Comparable tensile strength.

BS (UK)

50 B

For welded structures.

UNE (Spain)

AE 355 B

Similar characteristics.

Key Notes on Grade Mapping:

  • ASTM A572 Gr 50: Functional equivalent for general use, with similar yield (345 MPa).
  • DIN ST52-3: Direct match for European projects.
  • JIS SM490A: Good for Asian sourcing, with comparable weldability.
  • GB Q345B: Chinese equivalent for high-strength low-alloy needs.

Gangsteel provides dual-certified plates, including EN 10025-2 S275JR.

 

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