15CrMoR Pressure Vessel Steel Plate GB/T713 Cr-Mo Alloy Boiler Plate SA387 Gr.12 Cl.2 Equivalent

15CrMoR Pressure Vessel Steel Plate

Standard: GB/T 713, Equivalent: ASME SA387 Gr.12 Cl.2, EN 10028-2 13CrMo4-5

Product Description

15CrMoR is a Cr-Mo low alloy steel plate specially designed for pressure vessels and boilers. It is a medium-temperature hydrogen-resistant steel with stable high-temperature strength, excellent creep resistance, good hydrogen embrittlement resistance and outstanding weldability. Normally delivered in normalized and tempered condition. It is widely used for equipment working under medium temperature and hydrogen-containing working conditions in petrochemical and power industries.

Chemical Composition (wt%, balance Fe)

C: 0.12~0.18 Si: 0.15~0.40 Mn: 0.40~0.70 P ≤0.025 S ≤0.010 Cr: 0.80~1.20 Mo: 0.45~0.60

Mechanical Properties (Normalized + Tempered, thickness ≤100mm)

• Tensile Strength Rm: 450 ~ 590 MPa
• Yield Strength Rp0.2: ≥295 MPa
• Elongation A: ≥19 %
• Charpy V-notch impact energy KV2: ≥31 J (room temperature)
• Delivery condition: Normalized and tempered

Specifications

Thickness: 6mm ~ 150mm Width: 1500mm, 1800mm, 2000mm or customized Length: 6000mm, 12000mm, cut to size available Surface: Shot blasted & painted, black surface, pickled surface Test: UT ultrasonic testing available as per customer requirement

Features

1. Good high-temperature creep strength, suitable for continuous service up to 550℃
2. Excellent hydrogen corrosion resistance, anti-hydrogen embrittlement property
3. Stable mechanical performance after heat treatment
4. Good formability and weldability for vessel fabrication
5. Strict ultrasonic inspection for internal defects for pressure bearing safety

Applications

Petrochemical pressure vessels, reactor shells, boiler drums, heat exchanger shells, hydrogenation equipment, power station boiler components, high-temperature storage tanks, oil & gas processing equipment and other medium-temperature pressure bearing parts.

Short Version (for catalog / quotation)

15CrMoR is GB/T713 Cr-Mo alloy pressure vessel steel plate, equivalent to SA387 Gr.12 Cl.2. It features high temperature strength and hydrogen resistance. Supplied in normalized & tempered condition, thickness 6–150mm. Widely used for boiler, heat exchanger, hydrogenation reactor and petrochemical pressure vessel components.