Zhongji Metal
Diverse Product Range · Reliable Quality · Tailored Solutions
Covering various types of steel products such as steel pipes, steel plates, steel coils, steel bars, and structural steel
meeting the diverse needs of different industries.
Product Description
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:
Chemical Composition (%):
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:
Chemical Composition (% Q345B):
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):
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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Reliable Quality – All products are made with premium raw materials, advanced equipment, and strict quality inspections before delivery.
Compliance Guarantee – Specifications strictly follow technical agreements, ensuring products are free from defects in design, materials, and workmanship.
After-sales Service – Dedicated teams provide timely response, technical consultation, and long-term support.
Global Commitment – We serve clients in over 50 countries with consistent quality and reliable service.

First class quality service and professional after-sales team.
*We respect your confidentiality and all information are protected.