Mild Carbon Steel Hot Rolled Coil 1mm-30mm Thickness SPHC SPHD SPHE Grades for Industrial Applications
Zhengde Hot-Rolled Steel Coils are premium industrial steel products manufactured from continuous casting slabs. These coils feature excellent mechanical properties including high strength, superior toughness, easy machinability, and outstanding weldability. Available in thicknesses from 1mm to 30mm according to customer specifications.
Our hot-rolled steel coils comply with multiple international standards including Chinese enterprise standards (Q/BQB), JIS, DIN, EN, and API specifications.
| Type | Chinese Standard | International Standard | Application |
|---|---|---|---|
| Hot Rolled Low Carbon Steel | Q/BQB 302 | JIS G3131 SPHC/SPHD/SPHE | Suitable for cold-formed parts manufacturing |
| General Structural Steel | Q/BQB 303 | JIS G3101 SS Series, DIN 17100 St Series | Buildings, bridges, ships, vehicles |
| Steel for Welded Structures | Q/BQB 303 | JIS G3106 SM Series | Structural parts requiring excellent welding performance |
| Automotive Structural Steel | Q/BQB 310 | JIS G3113 SAPH Series | Automotive frames, wheels, and structural components |
| Boiler & Pressure Vessel Steel | Q/BQB 320 | DIN 17155, JIS G3103 | Steam boiler equipment, pressure vessels |
| Pipeline Steel | GB14164 | API 5L X42-X70 Grades | Oil and natural gas pipelines |
Manufactured through precise rough rolling and finishing rolling processes, our steel coils deliver exceptional mechanical properties and structural integrity.
We maintain extensive spot inventory including carbon structural steel, low alloy steel, alloy steel, wear-resistant steel, and specialized grades for various industrial applications.
Our hot-rolled sheets feature removed surface oxide scale, improved surface finish, and high dimensional accuracy for superior welding, painting, and fabrication performance.
We offer precision cutting services including custom shapes, circles, rectangles, flanges, and specialized components with minimal machining allowance.
- Strict adherence to production standards and quality control protocols
- Competitive pricing based on real-time market conditions
- Secure transaction processes and financial protection
- Comprehensive after-sales support and technical assistance
- Long-term partnership focus with consistent quality and service
Shandong Zhengde Metal Manufacturing Co., Ltd. is a comprehensive metal products enterprise with five production bases across China. We operate over 100 production lines and maintain 4 nationally recognized laboratories, serving clients in more than 50 countries worldwide.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.