ASTM A387 Gr2 CL2 Alloy Steel Plates Superior Performance In High Stress Environments
ASTM A387 Gr2 CL2 Alloy Steel Plates Superior Performance in High Stress Environments
Products Specification
| Product Name | SA387 GR12 CL2 Steel Plate |
| Thickness | 3mm~300mm,2mm-100mm is common thickness,also can customize |
| Width | 1000~3000mm,common width is 1250mm,1500mm,2000mm,2200mm |
| Length | 1000~12000mm,can as your request cut |
| Surface | Clean,finished, blasting and painting or as your request |
| Delivery | Hot Rolled, Controlled Rolling,Normalizing,Annealing, Tempering,Quanching, Q+T |
| Packing | Steel Strapping,fixing in the Container,can customize |
| Thickness tolerance | ±0.3mm |
| Application | It is mainly used to make structural parts such as car girder, beam, transmission shaft and car chassis parts, which can reduce the weight of the parts. |
SA387 Gr12 Cl2 Chromium-Molybdenum Alloy Steel Plate
Key Specifications
| Property | Detail |
|---|---|
| Standard | ASTM SA387 / ASME SA387 |
| Grade & Class | Grade 12, Class 2 (Normalized and Tempered Condition) |
| Composition | Low-Alloy Steel: C≤0.15%, Cr 0.80-1.25%, Mo 0.45-0.65% |
| Equivalent Material | EN 1.7335 / 15CrMoR (China) / JIS SUS410J3T (Japan) |
| Thickness Range | 5 mm – 250 mm (Customizable) |
| Dimensions | Width: 1500–4500 mm | Length: 6000–18000 mm (Other Sizes on Request) |
Key Features & Benefits
- High-Temperature Strength
Resistant to creep and oxidation at service temperatures up to 538°C (1000°F), ideal for elevated-pressure environments.
- Hydrogen Service Compatibility
Proven resistance to hydrogen embrittlement and H₂S corrosion, compliant with NACE MR0175 for sour service applications.
- Pressure Vessel Performance
Optimized for fabrication of reactors, heat exchangers, and boilers under ASME Section VIII, Div. 1 regulations.
- Controlled Heat Treatment
Supplied in Normalized + Tempered (N+T) condition per Class 2 requirements, ensuring uniform microstructure and impact toughness.
- Weldability & Formability
Pre-certified for welding (P-No. 4 Group 1 per ASME IX) with low crack susceptibility.
Typical Applications
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Petrochemical: Hydrogen reactors, hydrocrackers, catalytic converters.
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Power Generation: Boiler drums, steam headers, superheater tubes.
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Oil & Gas: Pressure vessels in refineries, LNG heat exchangers.
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General Process Equipment: High-temperature storage tanks and piping.
Certifications & Testing
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Mandatory Tests:
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Tensile & Yield Strength (Room & Elevated Temp)
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Charpy V-Notch Impact Test (-30°C / -22°F min)
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Hardness Survey (HBW 163–220)
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Optional Tests:
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Ultrasonic Testing (ASTM A578 Level III)
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HIC/SSC Resistance (NACE TM0284/TM0177)
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PMI (Positive Material Identification)
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Certificates:
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Mill Test Report (MTR) per EN 10204 3.1
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ASME Material Traceability
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PED 2014/68/EU Annex I (Optional)
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Packaging & Delivery
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Surface Protection: Anti-rust oiled or VCI paper wrapping.
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Packaging: Steel-strapped bundles with edge guards.
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Marking: Heat no., grade, size, standard etched per ASTM A6.
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Lead Time: 4–8 weeks (stock-dependent).
Why Choose Our SA387 Gr12 Cl2 Plates?
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Global Compliance: Fully traceable to ASME, ASTM, and PED standards.
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Technical Support: Dedicated metallurgical advisory for fabrication (PWHT, welding procedures).
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Custom Solutions: Cut-to-size, pre-machining, and non-destructive testing (NDT) services.




Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.