Q215 Q235 Q345 SPHC Cold Rolled Steel Plate 0.3-3.5mm Thickness with ISO 9001 Certification for Industrial Applications
Zhengde cold rolled steel plates are manufactured from hot-rolled steel strips through precision cold rolling processes, resulting in superior surface quality and dimensional accuracy with thickness under 4mm. These plates undergo annealing treatment for enhanced mechanical and technological properties, making them ideal replacements for hot-rolled thin steel sheets in various industrial applications.
| Variety | Thickness (mm) | Width (mm) | Length/Coil Inner Diameter |
|---|---|---|---|
| Steel Plate (trimming) | 0.30-3.5 | 900-1830 | 1000-6000 |
| Steel Plate (no trimming) | 0.30-3.5 | 900-1850 | Custom |
| Steel Belt (trimming) | 0.30-3.5 | 900-1830 | 610 (inner diameter) |
| Steel Belt (no trimming) | 0.30-3.5 | 900-1850 | Custom |
| Slitting Steel Strip | 0.30-3.5 | 120-900 | Custom |
| Application | Zhengde Standard | Zhengde Grade | International Standards | Typical Uses |
|---|---|---|---|---|
| General Use | Q/BQB403 Q/BQB402 | St12 SPCC | DIN1623 JISG3141 | Refrigerator shells, oil barrels, steel furniture |
| Stamping Grade | Q/BQB403 Q/BQB402 | St13 SPCD | DIN1623 JISG3141 | Automotive parts, appliances, construction |
| Deep Drawing | Q/BQB403 Q/BQB402 | St14, SPCE | DIN1623 JISG3141 | Automotive headlights, fuel tanks, doors |
| Structural Steel | Q/BQB410 BZJ410 | St37-2G St44-3G St52-3G | DIN1623 | Buildings, car bodies, structural supports |
Our cold-rolled thin steel plates feature exceptional dimensional accuracy and surface finish, categorized into three quality grades for different application requirements.
Suitable for automotive manufacturing, home appliances (refrigerators, washing machines), industrial equipment, and construction materials.
Manufacturing includes pickling, cold rolling, degreasing, annealing, leveling, and precision shearing for consistent quality.
We provide slitting services to cut coils into custom widths for transformers, motors, and specialized industrial applications.
- ISO 9001 certified manufacturing processes
- Pre-shipment SGS inspection available
- On-site video documentation of production quality
- Comprehensive testing and quality control procedures
Shandong Zhengde Metal Manufacturing Co., Ltd. operates five production bases with over 100 production lines, 4 certified laboratories, and exports to more than 50 countries worldwide.
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