SA387GR2 Steel Plate | ASME SA387 Grade 2 Supplier

SA387GR2 Steel Plate | ASME SA387 Grade 2 Supplier – Gangsteel

Gangsteel is a professional manufacturer and exporter of SA387GR2 Steel Plate according to ASME SA387 / ASTM A387 Grade 2. With more than 15 years of experience in Mo alloy steels, we supply both Class 1 and Class 2 SA387 Gr2 plates to power plants, refineries, and pressure vessel manufacturers worldwide. SA387GR2 is a cost-effective 0.5Mo alloy steel widely used for moderate high-temperature service.

What Is SA387GR2 Steel Plate?

ASME SA387 Grade 2is a molybdenum alloy steel plate designed for improved high-temperature strength and creep resistance compared to carbon steel. It is widely specified in ASME SA387 / ASTM A387 standards for applications requiring service temperatures up to 500°C. This grade offers good weldability and is commonly chosen when higher chromium grades are not necessary.

Chemical Composition (Heat Analysis, %)

Gangsteel produces SA387GR2 strictly according to ASME SA387 / ASTM A387 specifications. Full chemical analysis reports are provided with every shipment.

Mechanical Properties

Class 1 (Normalized + Tempered)

• Tensile Strength: 380 – 550 MPa
• Yield Strength: ≥ 230 MPa
• Elongation in 50 mm: ≥ 22%

Class 2 (Normalized + Tempered)

• Tensile Strength: 450 – 585 MPa
• Yield Strength: ≥ 275 MPa
• Elongation in 50 mm: ≥ 22%

Equivalent Material Table

Main Applications

ASME SA387 Grade 2steel plates are commonly used in:

• Power plant boilers and steam drums
• Industrial boilers and superheaters
• Medium-temperature pressure vessels
• Heat exchangers
• Refinery equipment operating at moderate temperatures

Why Choose Gangsteel SA387GR2?

• Produced according to ASME SA387 / ASTM A387 standards
• Full EN 10204 3.1 / 3.2 material certification
• 100% ultrasonic testing (UT) performed on every plate
• Available in both Class 1 and Class 2 heat treatment conditions
• Thickness range from 6 mm to 150 mm with regular stock availability
• Competitive pricing and reliable delivery schedule (7–30 days)
• Professional technical support for material selection and welding

Real Supply Experience

In 2025, Gangsteel supplied more than 850 tons of ASME SA387 Grade 2 plates to a power plant boiler project in Southeast Asia. The material was used for steam drums and headers. All plates passed third-party inspection, and the customer praised the consistent mechanical properties and good weldability.

Request a Quote

If you need ASME SA387GR2 steel plates in specific thickness, width, length, or require Class 1 or Class 2 condition, contact Gangsteel today. We will provide a formal quotation with complete mill test certificates and technical data within 24 hours.

Keywords:SA387GR2 Steel Plate, ASME SA387 Grade 2, ASTM A387 Grade 2 Steel Plate