ABS Shipbuilding Steel Grade A B D E Specification

ABS Shipbuilding Steel Grade A B D E Specification:

Grade A:

Material: Ordinary Strength structural steel for shipbuilding.

Tensile Strength: 400-520 MPa

Yield Strength: 235 MPa

Elongation: 22%

Charpy V-Notch Impact Test: 34J min at 20°C

Grade B:

Material: Higher Strength structural steel compared to Grade A.

Tensile Strength: 400-520 MPa

Yield Strength: 235 MPa

Elongation: 22%

Charpy V-Notch Impact Test: 34J min at 0°C

Grade D:

Material: Normalized or Thermo-Mechanical Control Processed (TMCP) structural steel.

Tensile Strength: 440-590 MPa

Yield Strength: 315 MPa

Elongation: 22%

Charpy V-Notch Impact Test: 27J min at -20°C

Grade E:

Material: Quenched and Tempered (Q&T) structural steel with excellent high-strength properties.

Tensile Strength: 530-690 MPa

Yield Strength: 390 MPa

Elongation: 22%

Charpy V-Notch Impact Test: 40J min at -40°C

Common Features:

Application: Used in the construction of ships and marine structures.

Certification: Compliance with American Bureau of Shipping (ABS) standards.

Weldability: Good weldability properties for fabrication processes.

Corrosion Resistance: Designed to withstand marine environments and harsh conditions.

These ABS shipbuilding steel grades—A, B, D, and E—offer varying levels of strength and toughness suitable for different structural requirements in shipbuilding projects, ensuring safety and performance in challenging marine environments.