1. Material Standards & Equivalent Grades

Primary Standards:

• ASTM A36 - Carbon Structural Steel

• GB/T 700 - Q235 Carbon Structural Steel

• EN 10025-2 - S235JR Hot Rolled Products of Structural Steels

Grade Equivalents:

2. Chemical Composition (% by weight)

3. Mechanical Properties

4. Physical Properties

5. Product Specifications

6. Manufacturing Process

Production Methods:

• Hot rolling process

• Controlled rolling

• Normalizing (optional)

Process Parameters:

• Slab reheating: 1150-1250°C

• Finishing temperature: 850-920°C

• Coiling temperature: 550-650°C

7. Surface Treatment Options

8. Testing & Inspection

Standard Tests:

• Tensile test

• Bend test

• Hardness test

• Chemical analysis

• Visual inspection

• Dimensional inspection

Optional Tests:

• Impact test (Charpy)

• Flattening test

• Ultrasonic testing

• Third-party inspection

• PMI verification

9. Applications

Primary Applications:

• Construction: Structural frames, building components

• Manufacturing: Machinery frames, equipment bases

• Transportation: Truck chassis, trailer components

• Infrastructure: Bridges, transmission towers

• General Fabrication: Metal furniture, storage racks

Secondary Processing:

• Welding and fabrication

• Cutting and machining

• Bending and forming

• Painting and coating

• Galvanizing

All carbon steel coils are manufactured according to international standards and can be customized to meet specific customer requirements and application needs.