AR700 N690 440C A36 St37 S45C Hot Rolled Steel Plate 0.0218-2.11% Carbon Content for Industrial Applications
Hot rolled steel plates manufactured to meet international standards including AR700, N690, 440C, A36, St37, S45C, St52, SS400, S355JR, S355, and 4140 specifications. These carbon steel plates contain 0.0218% to 2.11% carbon content, along with small amounts of silicon, manganese, sulfur, and phosphorus.
| Type | Chinese Standard | International Standard | Application |
|---|---|---|---|
| Hot Rolled Low Carbon Steel | Q/BQB 302 SPHC/SPHD/SPHE | JIS G3131 SPHC/SPHD/SPHE | Suitable for cold-formed parts manufacturing |
| General Structural Steel | Q/BQB 303 SS400/SS490 | JIS G3101 SS400/SS490 | Buildings, bridges, ships, vehicles |
| Steel for Welded Structures | Q/BQB 303 SM400-SM520 series | JIS G3106 SM400-SM520 series | Structural parts requiring excellent welding performance |
| Automotive Structural Steel | Q/BQB 310 SAPH310-SAPH440 | JIS G3113 SAPH310-SAPH440 | Automotive frames, wheels requiring formability |
| Boiler & Pressure Vessel Steel | Q/BQB 320 HII/19Mn6 | DIN 17155 HII/19Mn6 | Steam boiler equipment, pressure vessels |
| Pipeline Steel | GB14164 S205-S480 | API 5L Grade A-X70 | Oil and natural gas pipeline applications |
Our hot-rolled steel plates offer excellent properties including high strength, good toughness, easy processing, and superior weldability. Widely used in shipbuilding, automotive, bridge construction, machinery, and pressure vessel manufacturing.
Extensive spot inventory includes: carbon structural steel plates, low alloy steel plates, alloy steel plates, wear-resistant steel plates, automotive structural steel, and corrosion-resistant structural steel.
Superior surface quality with removed oxide scale for better welding, oiling, and painting. High dimensional accuracy with improved surface finish for enhanced appearance.
We provide precision cutting services according to customer drawings, including circles, rectangles, flanges, bearing housings, and rolling mill components.
- Quality first: Strict adherence to production standards
- Competitive pricing: Market-based discounts
- Transaction security: Protected customer funds
- Comprehensive after-sales: Customer-focused support
- Long-term partnership: Quality and service commitment
Shandong Zhengde Metal Manufacturing Co., Ltd. is a comprehensive enterprise integrating production and sales of hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, section steel, steel pipes, and various metal products. With five production bases and over 100 production lines, we export to more than 50 countries worldwide.
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