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Help CenterHot Rolled Carbon Steel Coil Q235 SS400 For Welding Frame Structure Container Manufacturing 0.5-16mm Thickness
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At Hemaokang Steel (Shandong) Co., Ltd., we supply hot rolled carbon steel coils that are designed for structural welding, frame fabrication, and container production. Our Q235 and SS400 coils are available in thicknesses from 0.5mm to 16mm, allowing customers to choose the right gauge for every project. With ISO9001 quality management and an export team focused on global delivery, we aim to be a reliable steel partner for manufacturers and trading houses.
This page provides a detailed overview of the material properties, technical specifications, processing flexibility, and ordering information for our hot rolled carbon steel coil. Whether you need a small trial quantity or a steady monthly allocation for large-scale fabrication, we can customize dimensions, surface conditions, and packaging options to fit your existing production flow.
Product Overview
Hot rolled carbon steel coil is one of the most essential materials in modern manufacturing. It is produced from continuous casting slabs that are heated above recrystallization temperature and rolled into thin flat coils. This process creates a surface with natural mill scale, while delivering excellent formability, weldability, and impact resistance. Q235 and SS400 are two widely accepted grades for general structural use. Q235 follows Chinese standard GB/T 700, offering a good balance of strength and cost-effectiveness. SS400 follows Japanese standard JIS G3101 and is preferred by many international fabricators for its stable performance in welded frames and machinery parts.
Key Features
- Wide thickness range: 0.5mm to 16mm supports applications from thin panels to heavy structural supports.
- Good weldability: Low-carbon composition makes welding simple and reduces the risk of cracking in frame joints.
- Uniform flatness: Advanced rolling processes deliver consistent gauge and reliable surface quality.
- Durable mechanical properties: Appropriate tensile and yield strength, suitable for load-bearing structures.
- Versatile processing: Works well with cutting, stamping, bending, rolling, shearing, and drilling operations.
- Customizable coil dimensions: Width and inner diameter can be adjusted based on your production equipment.
- Surface treatment options: Available in black, pickled, oiled, or other customized conditions upon request.
- Export-oriented packaging: Coils are packed with anti-rust material and steel straps for safe ocean transport.
Technical Specifications
| Parameter | Available Specification |
|---|---|
| Material Grade | Q235 (GB/T), SS400 (JIS) |
| Thickness | 0.5 - 16 mm |
| Width | Customizable upon request |
| Coil Inner Diameter | Available upon request |
| Surface Condition | Black, pickled & oiled (optional) |
| Standard | GB/T 700, JIS G3101 |
| Quality Management | ISO9001 certified |
| Loading Port | Qingdao, China |
| Delivery Time | Based on order quantity and stock availability |
| Processing Service | Slitting, cutting, flattening available on request |
Why This Coil Helps Your Business
Using the right hot rolled coil directly impacts your manufacturing efficiency and final product quality. Our Q235 and SS400 coils offer stable chemical and mechanical properties, which means fewer problems during welding and forming. Because the thickness range covers 0.5mm to 16mm, you can consolidate multiple material purchases from one reliable supplier, reducing procurement complexity. We also provide customized widths and processing services, so you receive material that fits your shear line or stamping press without excessive waste.
Applications
- Welded frame structures
- Container and box manufacturing
- Steel storage racks and shelving
- Structural steel components
- Agricultural equipment frames
- General sheet metal fabrications
Quality and Export Assurance
We operate with a disciplined quality approach from raw material sourcing to final loading. Each coil is inspected for thickness tolerance, surface defects, and weight accuracy before leaving our facility. For overseas shipments, we follow strict export packaging standards to prevent moisture damage and mechanical damage. Our location in Liaocheng, Shandong gives us convenient access to Qingdao Port, enabling efficient handling for sea freight deliveries.
Company Strength
Hemaokang Steel (Shandong) Co., Ltd. has built a strong export record with annual export value between US$50 million and US$100 million. Our team of 51 to 100 employees works collaboratively to ensure smooth order execution, from grade confirmation to shipment supervision. We serve customers in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic Chinese market. With ISO9001 quality management and experienced logistics coordination, we are well positioned to support your procurement needs.
If you are looking for a dependable source of hot rolled carbon steel coil for welding frame structures or container manufacturing, contact us today with your required grade, thickness, width, and quantity. Our team will provide a competitive quotation based on the latest market conditions.
Frequently Asked Questions
Q1: What is the difference between Q235 and SS400?
A1: Q235 is a Chinese standard carbon structural steel grade with a guaranteed yield strength of 235 MPa, while SS400 is a Japanese standard grade with a minimum tensile strength of 400 N/mm². Both offer good weldability and are suitable for frame structures. We can supply either grade depending on your design standard and local regulations.
Q2: Can you customize width and thickness?
A2: Yes. The thickness range is 0.5mm to 16mm. We can also slit coils to specific widths according to your requirement. Please provide your target width and coil weight limit so that we can arrange the most suitable dimensions for your production.
Q3: Is this coil suitable for welding frame structures?
A3: Yes. Q235 and SS400 are frequently used in welded steel frames because of their good ductility, stable mechanical properties, and ease of welding. They are suitable for components like columns, beams, and braces in normal structural applications.
Q4: What surface finishes are available?
A4: Standard hot rolled coil is supplied with a black mill scale surface. We also offer pickled and oiled coil to remove scale and provide temporary anti-corrosion protection. Other surface treatments can be discussed for your specific application needs.
Q5: Do you provide mill certificates or test reports?
A5: Yes, we can provide mill test certificates and relevant shipping documents for each batch. Our ISO9001 quality management system ensures traceability from raw material to finished coil. Please mention your documentation requirements when placing an order.
Q6: How do you package coil for export?
A6: Export coils are packed with anti-rust paper, plastic film, steel straps, and protective edge boards as needed. The packaging is designed to withstand long ocean voyages and rough handling. Specific packaging requirements are customizable upon request.
Q7: What is the delivery time for trial orders?
A7: For small trial orders, delivery usually takes about 7 to 10 days after confirmation, depending on stock and processing requirements. For large quantities, we will provide a clear production and shipment schedule in the quotation.
Q8: How can I receive a quotation?
A8: Simply contact us with your required material grade, thickness, width, quantity, and destination port. Our sales team will respond promptly with competitive pricing and recommend the most economical shipping method.
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