| After-sales Service: | Online Technical Support |
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| Warranty: | 1 Year |
| Type: | Steel Plate |
| Standard: | ASTM, AISI, GB, JIS, DIN, BS |
| Certification: | ISO, RoHS |
| Surface Treatment: | Blackface |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Basic Information
| Steel Grade | C | Si | Mn | Cr | Ni | Mo | Cu | P | S |
| 4340 | 0.38~0.43 | 0.15~0.35 | 0.60~0.80 | 0.70~0.90 | 1.65~2.00 | 0.20~0.30 | ≤0.035 | ≤0.040 |
It has high strength, toughness, excellent hardenability and stability against overheating.
Application
Manufacturing important parts with high strength and good plasticity, and manufacturing important parts with special functional requirements after nitriding treatment, such as shafts, gears, fasteners, etc
Product Pictures
Q1: What do you do for the control of the quality?
A1: Before loading, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per customer's request.
Q2:: What are your hot-selling products?
A2: S50C, 1.2311, D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.
Q3: Can we visit your company and factory?
A3: Yes, warmly welcome! We will book the hotel and assign our driver to pick you up at the airport when you visit.
Q4: Are you a manufacturer or merely a trader?
A4: We are a group of companies with manufacturer bases and trading companies. We specialize in plastic mold steel, hot work mold steel, cold work mold steel, alloy steel for mechanical, high-speed steel, etc. All materials are of high quality and competitive price. Our advanced equipment such as horizontal sawing machine, vertical sawing machine and milling machine, which allow us to process the goods according to actual need.
Suppliers with verified business licenses
Audited Supplier 
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