Technical & Material Properties

• Grades: A36, S235, S355, 4130, 4340, A106 Gr.A/B, St52, AH36, 1020, 1018, 1010, S275JR, A53, 1045, SS400, A516 Gr60, A572 Gr50, St37-2, A283 Gr.A,  A283 Gr.B,  A283  Gr.C, A283 Gr.D, A516 Gr.55, A573 Gr.58, A573 Gr.65,  A573 Gr.70, A678 Gr.A, A678  Gr.B, A678 Gr.C, etc.

• Chemical Composition Example (Q235): C ≤ 0.20%, Mn 0.30–0.70%, Si ≤ 0.30%, P ≤ 0.045%, S ≤ 0.050%.

• Width: 600–2000 mm;

• Thickness: 1.0–25 mm (hot-rolled), 0.2–3.0 mm (cold-rolled).

• Density: 7.85 g/cm³.

• Mechanical Properties:

  • Yield strength: 235–345 MPa

  • Tensile strength: 370–550 MPa

  • Elongation: 20–26%

• Surface Condition: Mill finish, pickled & oiled, shot-blasted, or primed.

Applications & Advantages

• Applications: Pipe manufacturing, structural beams, automotive chassis, agricultural machinery, storage tanks.

• Advantages:

  • Continuous coil form allows efficient automated production

  • Excellent weldability and cold forming capability

  • Compatible with galvanizing, painting, and other coatings

  • Available in large tonnage for mass production

• Example: Cold-rolled Q235 carbon steel coil used for automobile door inner panels offers dimensional accuracy and smooth surface finish.

Manufacturing Process & Standards

• Process:

  1. Continuous casting of steel slab

  2. Reheating and hot rolling into strip

  3. Coiling on down coiler

  4. Optional cold rolling and surface treatment

• Standards: ASTM A1011/A1008, EN 10025, GB/T 700, JIS G3101.

• Inspection: Tensile test, bend test, dimensional tolerance, surface defect inspection.

• Packaging: Eye to sky or eye to wall coil positioning, steel strapping, edge protection, waterproof wrapping.

Product Real Shot

Packaging and Shipping

FAQ

Q1: What product information must I provide before making a purchase?
A: Please provide the grade, width, thickness, surface treatment requirements, and the quantities you need.

Q2: What about product pricing information?
A: Prices may vary due to fluctuations in raw material costs.

Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.

Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.

Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.

Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.