Q235B Carbon Steel Pipe

Q235B Carbon Steel Pipe is a widely used low-carbon structural steel pipe manufactured according to Chinese standards. The designation "Q" stands for Yield Strength, while "235" indicates a minimum yield strength of 235 MPa. The suffix "B" represents the steel quality grade.
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Description

Wuxi Jin Ming Jian De Industry & Trade Co., Ltd. is one of the leading manufacturers and suppliers of q235b carbon steel pipe in China. If you're going to wholesale the newest q235b carbon steel pipe made in China, welcome to get pricelist from our factory. All customized products are with high quality and competitive price.

 

Q235B Carbon Steel Pipe is a widely used low-carbon structural steel pipe manufactured according to Chinese standards. The designation "Q" stands for Yield Strength, while "235" indicates a minimum yield strength of 235 MPa. The suffix "B" represents the steel quality grade.

Q235B offers excellent weldability, formability, machinability, and cost-effectiveness, making it one of the most commonly used carbon steel pipe materials in construction, fabrication, machinery manufacturing, and infrastructure projects.

With stable mechanical properties and reliable performance, Q235B Carbon Steel Pipe is suitable for structural applications, fluid transportation systems, steel fabrication, and general engineering purposes.

 

Chemical Composition:

Element

Content (%)

Carbon (C)

≤ 0.20

Silicon (Si)

≤ 0.35

Manganese (Mn)

≤ 1.40

Phosphorus (P)

≤ 0.045

Sulfur (S)

≤ 0.045

Mechanical Properties:

Property

Value

Yield Strength

≥235 MPa

Tensile Strength

370-500 MPa

Elongation

≥26%

Impact Test

20℃

Hardness

≤ HRB 100 (Approx.)

 

Equivalent Grades in Different Standards:

Standard

Equivalent Grade

China (GB)

Q235B

USA (ASTM)

ASTM A36

Europe (EN)

S235JR

Japan (JIS)

SS400

Korea (KS)

SS400

ISO

Fe360B

India (IS)

E250

Australia (AS/NZS)

250 Grade

Advantages

  • Excellent Weldability:Low carbon content ensures easy welding and fabrication.

  • Good Mechanical Strength:Provides reliable strength for structural and industrial applications.

  • Cost-Effective Solution:Lower material cost compared with alloy steels and stainless steels.

  • Easy Processing:Suitable for cutting, bending, drilling, punching, and welding.

  • Wide Availability:Available in various dimensions and manufacturing methods.

 

 
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