High strength low alloy structural steel Q345

High strength low alloy structural steel Q345

Product Name: High-strength low-alloy structural steel

Grade: Q345

Specifications: Thick T: 1.5 ~ 24 W W :800-1100 length L: C

Executive Standard: GB/T1591-2008

Product Scope:

High strength, overall performance, good weldability and low temperature impact toughness for structural parts and welding manufacturing vehicles, chemical equipment, pipe, structural engineering, construction steel, machinery and other substrates.

Mechanical properties:

Q345D seamless mechanical properties:

Tensile strength :490-675Mpa Yield strength: ≥ 345Mpa Elongation: ≥ 22%

Q345B seamless mechanical properties:

Tensile strength :490-675Mpa Yield strength: ≥ 345Mpa Elongation: ≥ 21%

Q345A seamless mechanical properties:

Tensile strength :490-675Mpa Yield strength: ≥ 345Mpa Elongation: ≥ 21%

Q345C seamless mechanical properties:

Tensile strength :490-675Mpa Yield strength: ≥ 345Mpa Elongation: ≥ 22%

Q345E seamless mechanical properties:

Tensile strength :490-675Mpa Yield strength: ≥ 345Mpa Elongation: ≥ 22%