ZD-CRC Cold Rolled Steel Coil Dx51d St37 SPCC 1.5-6mm Thickness for Automotive and Construction Applications
Zhengde cold rolled steel coil is manufactured using hot-rolled steel coil as raw material, processed through acid washing to remove oxide scale, followed by cold continuous rolling. The resulting product is hard coil that exhibits increased strength and hardness due to cold work hardening, while requiring annealing treatment for deep processing applications.
| Application | Zhengde Standard | Grade | International Standard | Grade | Typical Uses |
|---|---|---|---|---|---|
| General Use | Q/BQB403 Q/BQB402 | St12 SPCC | DIN1623 JISG3141 | St12 SPCC | Refrigerators, appliance shells, oil barrels, steel furniture |
| Stamping Grade | Q/BQB403 Q/BQB402 | St13 SPCD | DIN1623 JISG3141 | St13 SPCD | Automotive, appliances, construction stamping |
| Deep Drawing | Q/BQB403 Q/BQB402 | St14, SPCE | DIN1623 JISG3141 | St13 SPCE | Automotive headlights, fuel tanks, doors, windows |
| Extra Deep Drawing | Q/BQB403 | St15 St14T | Car headlights, complex underbody panels, oil pans | ||
| Hard Steel | Q/BQB402 | SPCC4D SPCC8D SPCC1D | JISG3141 | 1/4 hard 1/8 hard | Bicycle rims, stationery steel |
| Structural Steel | Q/BQB410 BZJ410 | St37-2G St44-3G St52-3G | DIN1623 | St37-2G St44-3G St52-3G | Buildings, car bodies, structural brackets |
Cold-rolled steel coils offer superior thickness precision, smooth surfaces, and excellent mechanical properties compared to hot-rolled alternatives. Standard processing includes annealing, pickling, and surface leveling for optimal performance.
Ideal for automotive components, home appliances (refrigerators, washing machines), industrial equipment, and building materials. Hard coils typically weigh 8-23 tons and serve as raw material for hot-dip galvanizing operations.
Manufactured from 1.5-6mm hot-rolled strip steel through comprehensive processes including pickling, cold rolling, degreasing, annealing, leveling, and shearing operations.
Available slitting services cut coils into custom widths for transformers, motor industries, and precision metal strip applications.
- Strict adherence to production standards and quality inspection protocols
- Competitive pricing with real-time market-based discounts
- Secure transaction processing with financial protection
- Comprehensive after-sales support and technical assistance
- Long-term partnership focus through consistent quality and service
Shandong Zhengde Metal Manufacturing Co., Ltd. operates as an integrated enterprise specializing in hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, and various metal products. With five production bases and over 100 production lines, the company maintains 4 nationally recognized laboratories and exports to more than 50 countries worldwide.
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