Bridge Structural Steel

A specialized steel manufacturer. We only make steel grades with qualities that are fine-tuned to make applications stronger, lighter, safer, easier to produce, more long-lasting, fuel efficient and sustainable – all depending on what’s highest on the users’ list of priorities.

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Bridge Structural Steel

Model

 Steel Grade  Specification Norm

Q345qC、D、E,Q370qC、D、E,

Q420qC、D、E,Q460qC、D、E,

Q345q(D、E、FJNH,

Q370q(D、E、F)NH,

Q420q(D、E、F)NH,

Q460q(D、E、F)NH,etc

 1.5~25x1000~2000mm

 

The product is delivered in accordance

with national standard, industrial

standard, Japan norm, American norm,

European norm or technical agreement

 

 

 

Steel Grade

Quality

Grading

 Tensile Property

 

V-shape Impact Test

Lower yield

strength,

Rel/MPa

Tensile strength,

Rm/MPa

Elongation after

fracture,A/%

Test

temperature/℃

Impact absorption

energy, KV2 /J
Q345q C ≥345 ≥490 ≥20 0 ≥120
D -20
E -40
Q370q C ≥370 ≥510 ≥20 0 ≥120
D -20
E -40
Q420q D ≥420 ≥540 ≥19 -20 ≥120
E -40
F -60 ≥47
Q460q D ≥460 ≥570 ≥18 -20 ≥120
E -40
F -60 ≥47

Description

LY Steel's bridge structural steel is specifically designed for bridge engineering, featuring high strength, corrosion resistance, and fatigue resistance, making it suitable for large-span bridge construction. Its products include models such as Q345GJCZ15, which comply with national standards and support welding, cutting, and other processing services. As a domestic high-end plate production base, LianGang's bridge steel has been used in key projects.

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