Product

Grade

Specification (mm)

Use

Executive Standard

Carbon Structural Steels

Q235A、Q235B/BZ15、Q235C/CZ15、Q235D/DZ15

8～150×1500～2650

Used in construction machinery, building, and bridge industries.

GB/T 3274 or Technical Agreement

High quality carbon structural steel

40、45、50、55、60

8～150×1500～2650

Used for mechanical components, molds, and mold frames.

Technical Agreement

Low-alloy high-strength structural steel

Q355B/BZ15/BZ25、Q355NB/NBZ15/NBZ25、Q355C/NC/NCZ15/NCZ25、Q355D/ND/NDZ15/NDZ25、Q355MC/MD、Q390B/BZ15、Q390C/CZ15/CZ25、Q390NB/NBZ15/NBZ25、Q390NC/NCZ15/NCZ25、Q420B/NB/NBZ15/NBZ25、Q420NC/NCZ15/NCZ25、Q420ND、Q460NC/NCZ15、Q500NC

8～70×1500～2650

Used for mechanical components and welded structural parts in construction engineering, mechanical engineering, automotive and shipbuilding, bridges, energy, and infrastructure industries.

GB/T 1591 or Technical Agreement

Bridge Steel Plate

Q345qC/qMC/qCZ15/qCZ25、Q345qD/qMD/qDZ15/qDZ25、Q420qC、Q420qD

8～60×1500～2650

Used for steel structural components in railway, highway bridges, and cross-sea bridges.

GB/T 714

CE certified non-alloy hot-rolled structural steel plate

S235J0/JOC/J2/J2C/JR/JRC、S275J0/JOC/J2/J2C/JR/JRC、S355J0/JOC/J2/J2C/JR/JRC、S355K2/K2C (The above grades are classified by Z-direction shrinkage into Z15 and Z25.)

8～50×1500～2650

Used for mechanical components and welded structural parts in engineering, machinery, construction, and bridge industries.

EN 10025-2

Automobile Frame Steel Plate

SCL39D

8～16×1500～2650

Used for automotive chassis longitudinal beams, cross beams, suspension beams, and front/rear axle frames.

Technical Agreement

Steel for high-rise buildings

Q355GJB/GJC/GJD (The above grades are classified by Z-direction shrinkage into Z15, Z25, and Z35),Q390GJB/GJBZ15/GJC/GJCZ15

8～60×1500～2650

Used for large-scale construction projects such as super high-rise buildings, large-span stadiums, airports, convention centers, and steel-structure factories.

GB/T 19879

Steel for Vibratory Roller Components

SZL36、Q355B-1、Q420NB

30～40×1500～2650

Special steel plate for vibratory rollers of road rollers.

Technical Agreement

Steel for Excavator Bucket Teeth

30CrMnSiA

8～80×1500～2650

Used for bucket tooth components

Technical Agreement

Wear-Resistant Steel Plate for Heavy Construction Machinery

22SiMn2TiB、25SiMn2TiB、NM360、NM400、NM450、NM500

8～40×1500～2650

Used for High-strength wear-resistant structural parts for construction machinery

Technical Agreement

Boiler and Pressure Vessel  Plate

Q245R、Q345R、Q370R、Q420R

8～50×1500～2650

Used for tanks and sealed vessels of low- and medium-temperature boilers and pressure vessels.

GB/T 713.2、GB/T 713.3

ASTM Structural Steel

A36

8～50×1500～2650

Used for steel structure frames and bridge structures in construction, also applicable for manufacturing structural parts of machine tools, vehicles, and ships, and can be applied to industrial equipment such as oil pipelines and storage tanks.

ASTM A36/A36M

A572Gr42、A572Gr50、A572Gr55、A572Gr60

Used for structural components in building steel structures, construction machinery, mining machinery, heavy-duty trucks, bridges, and pressure vessels, especially for building and construction machinery parts requiring good weldability and toughness.

ASTM A572/A572M

ASTM Steel for Pressure Vessels

A516Gr55、A516Gr60、A516Gr65、A516Gr70

8～50×1500～2650

Steel for low- and medium-temperature pressure vessels, used in petrochemical industry reactors, heat exchangers, etc.

ASTM A516/A516M

JIS standard Steel Plate

SS400、SS490、SM400/A/B/C、
SM490/A/B/C、SN400/A/B/C、
SN490B/C

8～40×1500～2650

Used for frame structures of factories, bridges, and high-rise buildings, mechanical bases, supports, and other components, as well as housings and supports for large-scale equipment.

JIS G3101、JIS G3106、JIS G3136

Mould Steel / Tool Steel

40Cr、1.2311、P20、718H、
30CrMo、42CrMo

8～70×1500～2650

Used for mechanical structural parts, molds, mold frames, etc.

Technical Agreement

Steel for Gears and Racks

16MnCr5、20MnCr5、20CrMnTi

8～80×1500～2650

Used for carburized gears, racks, etc., in automobiles and machine tools applications

Technical Agreement

Weathering Structural Steel / Corten Steel

Q235NHB/NHC/NHD、Q355NHB/NHC/NHD

8～50×1500～2650

Used for exterior walls of bridges and buildings, landscape architecture, vehicle bodies and containers, offshore engineering structures, and other applications requiring atmospheric corrosion resistance.

GB/T 4171

Acid-Resistant Structural Steel

Q325NS、Q355NS、Q420NS、Q460NS

8～50×1500～2650

Used for pipelines, linings, and components in chemical, environmental, metallurgical, electroplating, construction, corrosion protection, and energy applications.

GB/T 28907

Normal-Strength Shipbuilding Structural Steel

A、B  (Approved / Certified by the classification societies of China, UK, USA, France, Germany, and Norway.)

8～50×1500～2650

Used for hull structures of marine and inland ships, dry docks, oil platforms, and dock facilities.

CCS、ABS、BV、DNV GL、LR

D(Approved / Certified by the classification societies of China)

CCS

High-Strength Shipbuilding Structural Steel

AH32, AH36, DH32, DH36  (Approved / Certified by the classification societies of China, UK, USA, France, Germany, and Norway.)

8～36×1500～2650

Used for hull structures of marine and inland ships, dry docks, oil platforms, and dock facilities.

CCS、ABS、BV、DNV GL、LR