Carbon Steel Square Billet

Product Introduction

Plain Carbon Steel Square Billet


Specifications:

  • Grade: A36, SS400, Q235B, Q275, Q345B, S235JR, S275JR, S355JR, SM400, SM490, ASTM A36, ASTM A529, EN 10025 S235, EN 10025 S275, EN 10025 S355, JIS G3101 SS400, JIS G3192, etc.

  • Cross-section Size: 100×100 mm – 200×200 mm

  • Length: 6 m – 12 m (custom length available)

  • Manufacturing Process: Continuous casting → Cutting → Cooling → Inspection

  • Surface Condition: As-cast, scaled surface

  • Applications: Structural steel rolling, rebar production, general engineering steel


Mechanical Properties:


PropertyValue
Tensile Strength370–500 MPa
Yield Strength≥ 235 MPa
Elongation≥ 20%
Hardness120–160 HB

Chemical Composition (%):


CMnSiPS
≤0.220.30–0.70≤0.35≤0.045≤0.050

High Strength Low Alloy Square Billet


Specifications:

  • Grade: Q345B, Q355B, Q355D, Q390B, Q420B, Q460C, A572 Gr.50, A572 Gr.60, A572 Gr.65, A913 Gr.50, A913 Gr.65, A992, ASTM A709 Gr.50, ASTM A709 Gr.50W, S420ML, S460ML, etc.

  • Size Range: 120×120 mm – 200×200 mm

  • Length: 6 m – 12 m

  • Applications: High strength sections, machinery manufacturing, heavy structural rolling


Mechanical Properties:


Tensile StrengthYield StrengthElongation
450–620 MPa≥ 345 MPa≥ 18%

Chemical Composition (% Q345B):


CMnSiPS
≤0.201.00–1.60≤0.50≤0.035≤0.035

Special Quality Square Billet


Specifications:

  • Grade: 4140, 4340, 8620, 1215, 42CrMo4, 34CrNiMo6, 16MnCr5, S45C, SCM440, SNCM439, ASTM 4140, ASTM 4340, DIN 42CrMo4, DIN 34CrNiMo6, etc.

  • Size Range: 150×150 mm – 200×200 mm

  • Applications: Forging stock, machine parts, shaft production


Chemical Composition (% SAE 1045):


CMnSiPS
0.43–0.500.60–0.90≤0.40≤0.040≤0.050


Product Real Shot

Packaging and Shipping



FAQ


Q1: What product information must I provide before making a purchase?

A: Please provide the material, size, surface treatment requirements, and the quantities you need.

Q2: What about product pricing information?
A: Prices may vary due to fluctuations in raw material costs.

Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.

Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.

Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.

Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.

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Shandong Zhongji Metal Products Co., Ltd.