ASTM A387 Gr2 CL2 Alloy Steel Plates Superior Performance In High Stress Environments

SA387 Gr12 Cl2 Chromium-Molybdenum Alloy Steel Plate

Key Specifications

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

• Petrochemical: Hydrogen reactors, hydrocrackers, catalytic converters.

• Power Generation: Boiler drums, steam headers, superheater tubes.

• Oil & Gas: Pressure vessels in refineries, LNG heat exchangers.

• General Process Equipment: High-temperature storage tanks and piping.

Certifications & Testing

• Mandatory Tests:

  • Tensile & Yield Strength (Room & Elevated Temp)

  • Charpy V-Notch Impact Test (-30°C / -22°F min)

  • Hardness Survey (HBW 163–220)

• Optional Tests:

  • Ultrasonic Testing (ASTM A578 Level III)

  • HIC/SSC Resistance (NACE TM0284/TM0177)

  • PMI (Positive Material Identification)

• Certificates:

  • Mill Test Report (MTR) per EN 10204 3.1

  • ASME Material Traceability

  • PED 2014/68/EU Annex I (Optional)

Packaging & Delivery

• Surface Protection: Anti-rust oiled or VCI paper wrapping.

• Packaging: Steel-strapped bundles with edge guards.

• Marking: Heat no., grade, size, standard etched per ASTM A6.

• Lead Time: 4–8 weeks (stock-dependent).

Why Choose Our SA387 Gr12 Cl2 Plates?

• Global Compliance: Fully traceable to ASME, ASTM, and PED standards.

• Technical Support: Dedicated metallurgical advisory for fabrication (PWHT, welding procedures).

• Custom Solutions: Cut-to-size, pre-machining, and non-destructive testing (NDT) services.