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ASTM A516 Grade 55(A516GR55) Boiler and Pressure Vessel Steel Plate

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ASTM A516 Grade 55 (A516Gr55) Pressure Vessel and Boiler Steel Plate is specifically designed for pressure vessels, boilers, storage tanks, and heat exchangers in oil and gas projects.

Standard :
ASTM A516/A516M
Grade :
A516 Grade 55 (A516GR55)
Thickness :
6.0-300.0 mm
Width :
1500-4050 mm
Length :
3000-15000 mm

Special thickness, width, and length can be negotiated separately.
We also provide customized processing services.If you have any questions, please contact us.

Overview

ASTM A516 Grade 55 (A516Gr55) is a carbon steel plate specifically designed for boiler and pressure vessel applications, offering good notch toughness and weldability. It is commonly used in moderate and lower-temperature service environments.

Mechanical Properties

Grade	Mechanical Property
Grade	Tensile Strength(MPa)	Yield Strength(MPa)	Elongation (%)	Impact Test (Charpy V-Notch)
A516 Grade 55 (A516GR55)	380-515	≥205	≥23	≥ 20 J (15 ft-lb) at -50°F (-45°C) (for normalized plates)

Other Information

Comparable Standards:

ASME SA516 Grade 55 (identical to ASTM A516 but for ASME Boiler and Pressure Vessel Code use)

EN 10028-2 P265GH (European equivalent)

Comparison with Other Grades:

The key grades of ASTM A516 (55/60/65/70) are primarily distinguished by their tensile strength:

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Key Use Case
A516 Grade 55	380-515	205	Low-pressure applications
A516 Grade 60	415-550	220	Intermediate pressure
A516 Grade 65	450-585	240	Higher pressure
A516 Grade 70	485-620	260	High-pressure & low-temp