GB/T700 GB/T1591 GB Material Carbon Steel Coil

In the fields of construction and engineering, material selection is critical to ensure the integrity and longevity of the structure. For professionals seeking versatile and reliable carbon structural steel, S275JR steel coil is the first choice. S275JR is equivalent to GB/T700 Q275 carbon steel and low alloy steel coil, designed to meet the stringent requirements of various engineering applications.

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GB/T700 GB/T1591 GB Material Carbon Steel Coil Description

S275JR is a general purpose carbon structural steel that offers an excellent balance of strength, weldability and formability. This makes it ideal for a wide range of structural applications from building framing to bridges and other critical infrastructure. Its low alloy composition enhances its mechanical properties, allowing it to perform well in a wide range of environmental conditions without the need for heat treatment.One of the key benefits of S275JR coils is ease of fabrication. Engineers and fabricators love the material because it can be easily cut, welded, and formed to meet specific project requirements. Additionally, its consistent quality and reliability ensure projects run smoothly without unexpected delays or complications.Whether you are involved in a large construction project or a small engineering task, S275JR steel coils provide the strength and durability you need. Its versatility allows it to be used in a variety of applications, ensuring it meets the diverse needs of the industry.

Product Parameters

Product Name	GB/T700 GB/T1591 GB Material Carbon Steel Coil
Production Process	Hot Rolling, Cold Rolling
Material Standards	AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width	45mm-2200mm
Length	Custom Size
Thickness	Hot Rolling: 2.75mm-100mm Cold Rolling: 0.2mm-3mm
Delivery Conditions	Rolling, Annealing, Quenching, Tempered or Standard
Surface Process	Ordinary, Wire Drawing, Laminated Film

Chemical Composition

Grade	C	Mn	Si	P	S
Q235 A	0.14-0.22	0.30-0.65	0.30	0.045	0.050
Q235 B	0.12-0.20	0.30-0.70	0.30	0.045	0.045
Q235 C	≤ 0.18	0.35-0.80	0.30	0.040	0.40
Q235 D	≤ 0.17	0.35-0.80	0.30	0.035	0.035
Q275	0.28-0.38	0.50-0.80	0.35	0.045	0.050
Q345 B	≤ 0.2	≤ 1.7	≤ 0.5	0.035	0.035
Q345 C	≤ 0.2	≤ 1.7	≤ 0.5	0.03	0.03
Q345 D	≤ 0.18	≤ 1.7	≤ 0.5	0.03	0.025
Q390 C	≤ 0.2	≤ 1.7	≤ 0.5	0.03	0.03
Q390 D	≤ 0.2	≤ 1.7	≤ 0.5	0.03	0.025
Q460 C	≤ 0.2	≤ 1.7	0.8	0.025	0.015
Q460 D	≤ 0.2	≤ 1.7	0.8	0.025	0.015
Q460 E	≤ 0.2	≤ 1.7	0.8	0.02	0.01
Q690 C	≤ 0.2	≤ 1.7	0.8	0.025	0.015
Q690 D	≤ 0.2	≤ 1.7	0.8	0.025	0.015
Q690 E	≤0.2	≤ 1.7	0.8	0.02	0.01