Product

Grade

Specification (mm)

Use

Executive Standard

carbon structural steel

Q195～Q255

1.5～26×145～1750

Used for manufacturing welded pipes, cold-rolled materials, etc.

GB/T 3524

High-quality carbon structural steel

10〜70、20Mn～65Mn

1.5～26×145～1750

Used for various mechanical structural parts, chains, metal products and tools, as well as for constructing factories, bridges, boilers, ships, etc.

GB/T 8749

Alloy structural steel

20Mn2、30Mn2

1.5～26×145～1750

Used for various high hardness packaging straps, blades, chain links, die blades, boiler tubes, automotive seat recliners, and other automotive components.

GB/T 3077

Low-alloy high-strength steel

Q345A/B/C

1.5～26×145～1750

Used for welded pipe,steel structure, etc.

GB/T 3524

Cold-Forming Steel / Cold Stamping Steel

08Al

1.5～26×145～1750

used in Automotive, shipbuilding,equipment manufacturing, electronics,home appliances, bicycles, tools, light steel structure, construction and other industries

GB/T 8749

Spring steel

60Si2MnA

1.5～26×145～1750

Used for manufacturing various springs, such as automotive, motorcycle, and tractor coil springs, automotive seat belt springs, and other high-stress or heavily worn springs.

YB/T 4372

Steel for Automotive rear axle bram

TL1114Nb

1.5～26×145～1750

Used for automotive components requiring high strength and high toughness

Technical agreement

Alloy tool steel

SKS5/SKS7

1.5～26×145～1750

Used for the manufacturing measuring tools,saw blades, cutting tools, impact-resistant tools, cold and hot molds, and some special-purpose tools.

JIS G4404 or technical agreement

Bearing steel

Gcr15

1.5～26×145～1750

Used for Bearing components

GB/T18254 or technicalagreement