EN 10025-5 Specification and standard requirements for EN 10025-5 S355J0W Square Hollow Section

According to EN 10025-5, the specification and standard requirements of EN 10025-5 S355J0W Square Hollow Section include the following details:

1. EN 10025-5 S355J0W Square Hollow Section Chemical composition requirements:
- Carbon content (C) not exceeding 0.16%;
- Carbon content (C) not exceeding 0.16%;
- Manganese content (Mn) does not exceed 1.50%;
- Phosphorus content (P) not exceeding 0.035%;
- Sulfur content (S) does not exceed 0.030%.

2. EN 10025-5 S355J0W Square Hollow Section Mechanical performance requirements (at room temperature) :
- Tensile strength (Rm) : minimum 355MPa;
- Yield strength (ReH) : minimum 345MPa;
- Elongation (A) : minimum 22%.

3. Impact toughness requirements (at low temperatures) :
- Impact power (J0) : min. 27J (20°C).

4. EN 10025-5 S355J0W Square Hollow Section Size and geometry requirements:
- Outline size: specifies the side length, wall thickness, Angle tolerance and other specific dimensional requirements of the square hollow steel pipe;
- Length tolerance: specifies the allowable length deviation;
- Straight Angle deviation: specifies the allowable deviation range of straight Angle;
- Surface quality: The allowable surface defects and roughness are specified.

5. EN 10025-5 S355J0W Square Hollow Section Surface treatment requirements:
- Heat treatment, anti-corrosion coating or other surface treatment can be applied according to specific requirements.

6. EN 10025-5 S355J0W Square Hollow Section Logo and marking requirements:
- There should be clear signs and markings on the square hollow steel pipe to identify and trace the product.

7. EN 10025-5 S355J0W Square Hollow Section Test method:
Tensile testing: evaluation of mechanical properties using the methods in EN ISO 6892-1;
- Impact test: The Charpy V notch impact test method in EN ISO 148-1 is used for evaluation;
- Hardness test: Brinell hardness test or Rockwell hardness test can be used.

These are the details of specifications and standards for EN 10025-5 S355J0W Square Hollow Section. Ensuring compliance with these requirements ensures that the square hollow steel tubes produced meet quality standards and meet specific performance requirements.