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The materials comply with international industry standards, with low impurity content and outstanding resistance to brittle fracture and fatigue. They are widely used in manufacturing boiler drums, heat exchangers, storage tanks, reactors and other key components in petrochemical, power generation, energy and general industrial fields.
1. Typical Grades & Applicable Standards
- Chinese Standard (GB): Q245R, Q355R, Q370R, 15CrMoR, 12Cr1MoVR
- ASME/ASTM: SA516 Gr.55/60/70, SA387 Gr.11/12/22
- European Standard (EN): P265GH, P295GH, P355GH
2. Mechanical Properties (Typical Values)
Grade Min Yield Strength (MPa) Tensile Strength (MPa) Min Elongation (%) Min Impact Energy (J, 20°C)
Q245R 245 400–520 26 34
Q355R 355 510–650 21 34
Q370R 370 530–670 20 34
SA516 Gr.70 260 485–620 21 27
3. Chemical Composition (wt%, Maximum)
Element C Si Mn P S
Carbon Steel 0.20 0.55 1.60 0.025 0.015
4. Dimension Range
- Thickness: 4 mm – 150 mm
- Width: 1500 mm – 4500 mm
- Length: 3000 mm – 12000 mm
- Custom cutting and special sizes are available upon request
5. Delivery Condition & Quality Control
- Delivery state: Hot rolled, Normalized, Normalized & Tempered
- Surface: As rolled, shot blasted, anti-rust coated
- Inspection: 100% ultrasonic testing, full set of mill test certificates provided
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