1. Main Grades & Executive Standards

GB: Q235NH, Q355NH, Q460NH, 09CuPCrNi-A, 09CuPCrNi-B

EN: S235J0W, S235J2W, S355J0WP, S355J2W

ASTM: A242, A588 Gr.A/B, A606

JIS: SPA-H, SPA-C

2. Typical Mechanical Properties

- Q355NH: Yield Strength ≥355MPa, Tensile Strength 470-630MPa, Elongation ≥21%, Good low-temperature toughness and corrosion resistance

- 09CuPCrNi-A: Yield Strength ≥295MPa, Tensile Strength 400-550MPa, Elongation ≥22%, Excellent atmospheric weathering corrosion resistance

- A588 Gr.A: Yield Strength ≥345MPa, Tensile Strength 485-620MPa, Elongation ≥18%, High strength weathering corrosion resistant performance

- S355J2W: Yield Strength ≥355MPa, Tensile Strength 470-630MPa, Elongation ≥22%, Good low-temperature impact toughness and corrosion resistance

3. Chemical Composition (Max Mass Fraction, %)

C≤0.16, Si≤0.65, Mn≤1.50, P≤0.035, S≤0.030, Cu 0.20-0.50, Cr 0.30-1.25, Ni≤0.65, with trace alloy elements to optimize surface passivation film and corrosion resistance.

4. Size Range

Thickness: 3mm-100mm; Width: 1500mm-4200mm; Length: 2000mm-12000mm; Customized cutting, fixed-length processing and special size customization are available according to customer requirements.

5. Delivery Condition & Quality Assurance

Delivery Condition: Hot Rolled (HR), Normalized (N), Thermo-Mechanically Controlled Process (TMCP)

Surface Treatment: Mill finish, shot blasted, weathering anti-corrosion primer coated

Quality Control: Strict dimensional and surface inspection, ultrasonic testing (UT) available, complete mill test certificates (MTC) provided, full quality traceability and stable corrosion resistance performance guaranteed.