ASME SA738 Gr.A/Gr.B/Gr.C, SA533 Gr.B Cl.2, SA302B, SA516 Gr.70; EN P265GH, P355GH; GB Q345R, 15CrMoR, GB/T 36163 series nuclear power steel plates

2. Typical Mechanical Properties

- SA738 Gr.A: Yield Strength ≥310MPa, Tensile Strength 485-620MPa, Elongation ≥18%, Charpy Impact Energy ≥34J at -40°C

- SA738 Gr.B: Yield Strength ≥415MPa, Tensile Strength 550-690MPa, Elongation ≥20%, Charpy Impact Energy ≥41J at -40°C

- SA533 Gr.B Cl.2: Yield Strength ≥485MPa, Tensile Strength 620-795MPa, Elongation ≥16%, Charpy Impact Energy ≥34J at -40°C

- P355GH: Yield Strength ≥355MPa, Tensile Strength 510-650MPa, Elongation ≥20%, Charpy Impact Energy ≥27J at -20°C

3. Chemical Composition (Max Mass Fraction, %)

C≤0.20, Si≤0.50, Mn≤1.60, P≤0.020, S≤0.010, Al≥0.020, N≤0.012, with trace alloy elements controlled within ultra-low standard range to ensure material purity and nuclear service safety.

4. Size Range

Thickness: 6mm–200mm; Width: 1500mm–4500mm; Length: 3000mm–12000mm; customized cutting and special size processing are available according to customer requirements.

5. Delivery Condition & Quality Assurance

Delivery Condition: Normalized (N), Quenched and Tempered (Q&T)

Surface Treatment: Mill surface, shot blasted, anti-rust primed

Quality Control: 100% full ultrasonic testing (UT), magnetic particle testing (MT), dimensional full inspection, complete mill test certificates (MTC) and nuclear engineering compliance certification documents provided, with full-process production and quality traceability.