1. Typical Grades & Standards

- GB: 16MnDR, 09MnNiDR, 15MnNiDR, 06Ni9DR (GB/T 3531)

- ASTM/ASME: A553 (9Ni), SA662 Gr.C, A516 Gr.60/70

- EN: P275NL1, P355NL2 (EN 10028‑3)

- JIS: SLA235B, SLA33A, SLA365 (JIS G 3126)

2. Mechanical Properties (Representative Grades)

Grade Min Yield Strength (MPa) Tensile Strength (MPa) Min Elongation (%) Min Impact Energy (J, −40 °C/−196 °C)

09MnNiDR 270 430–570 23 34 (−70 °C)

16MnDR 315 490–620 21 34 (−40 °C)

06Ni9DR (9Ni) 585 690–825 20 60 (−196 °C)

3. Dimension Range

- Thickness: 3–150 mm

- Width: 1500–4500 mm

- Length: 3000–12000 mm (custom lengths available)

4. Chemical Composition (wt%, Max)

Element C Si Mn P S Ni

Low‑Carbon Grade 0.20 0.50 1.60 0.025 0.015 —

Low‑Alloy (Ni‑added) 0.12 0.50 1.60 0.020 0.010 0.30–9.5

5. Delivery Condition & Surface

- Delivery: Normalized (N) or Quenched & Tempered (Q&T)

- Surface: Mill finish, shot‑blasted, or primed

- Quality: Fully traceable, with UT/MT inspection available