GB/T700 GB/T1591 GB Material Carbon Steel Coil
Product Description
The equivalent material of GB/T700 Q275 carbon steel and low alloy steel coil is S275JR steel coil. S275JR steel coil is a general-purpose carbon structural steel. It is also a carbon structural steel and low alloy structural steel used in engineering steel and structural steel, which is usually not heat treated.

S275JR steel coil is a European standard carbon steel coil. It is also used for engineering and structural carbon steel and low alloy structural steel for welding, bolting and riveting structures. S275JR is a plain carbon structural steel coil that is often used in the machinery manufacturing industry. S275JR steel coil has comprehensive high-quality properties such as moderately high strength and toughness, fatigue resistance, impact resistance, corrosion resistance, welding and easy processing. In the process of use, The demonstration of medium and high-quality performance has also been unanimously praised and recognized by the manufacturing industry.


Product Parameters

Product NameGB/T700 GB/T1591 GB Material Carbon Steel Coil
Production ProcessHot Rolling, Cold Rolling
Material StandardsAISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width45mm-2200mm
LengthCustom Size
ThicknessHot Rolling: 2.75mm-100mm
Cold Rolling: 0.2mm-3mm
Delivery ConditionsRolling, Annealing, Quenching, Tempered or Standard
Surface ProcessOrdinary, Wire Drawing, Laminated Film

 

Chemical Composition

GradeCMnSiPS
Q235 A0.14-0.220.30-0.650.300.0450.050
Q235 B0.12-0.200.30-0.700.300.0450.045
Q235 C≤ 0.180.35-0.800.300.0400.40
Q235 D≤ 0.170.35-0.800.300.0350.035
Q2750.28-0.380.50-0.800.350.0450.050
Q345 B≤ 0.2≤ 1.7≤ 0.50.0350.035
Q345 C≤ 0.2≤ 1.7≤ 0.50.030.03
Q345 D≤ 0.18≤ 1.7≤ 0.50.030.025
Q390 C≤ 0.2≤ 1.7≤ 0.50.030.03
Q390 D≤ 0.2≤ 1.7≤ 0.50.030.025
Q460 C≤ 0.2≤ 1.70.80.0250.015
Q460 D≤ 0.2≤ 1.70.80.0250.015
Q460 E≤ 0.2≤ 1.70.80.020.01
Q690 C≤ 0.2≤ 1.70.80.0250.015
Q690 D≤ 0.2≤ 1.70.80.0250.015
Q690 E≤0.2≤ 1.70.80.020.01

 

Scope of Application

For bridge construction, highway construction and other engineering construction.


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