4340 1.6511 Sncm439 Turned Surface Alloy Structural Forged Steel

• Customization: Available
• After-sales Service: Online Technical Support
• Warranty: 1 Year
• Type: Plate/Round
• Standard: ASTM, AISI, GB, JIS, DIN, BS
• Certification: ISO, RoHS
• Surface Treatment: Black/Milled
• Technique: Hot Rolled/Forged
• Application: Mold & Dies
• Special Use: High-strength Steel Plate, Wear Resistant Steel
• Stock: Stock
• Steel Grade: 4340/1.6511/Sncm439/V320
• Surface: Black/Milled/Machined
• Producing Condition: Annealed
• Condition: Two Sides or Four Sides Cut for Flat Bar
• Ultrasonic Test Standard: Sep1921-84 D/D Under 100% Test
• Shape: Flat Bars/Plates/Round Bars
• MOQ: 10 Tons
• Delivery Time: Within 5days
• Mill Sheet Certificate: Provided
• Delivery Type: Shipping
• Steel Remarks: Customized
• Specification: Thickness 10-1200mm* Width 100-2300mm
• Origin: China
• HS Code: 722830
• Production Capacity: 10000 Tons Per Month

Product Description

Product Description

 

4340 1.6511 Sncm439 Turned Surface Alloy Structural Forged Steel


 Basic Information
Chemical Composition(%)

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

4340/1.6511/SNCM439/V320

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

 

Detailed Photos

 

FAQ

 

FAQ


Q1: Are you a manufacturer or merely a trader? 
A1: We are not only a stockist of Hot rolled products but also a manufacturer of forged products with our own Forging Mill

Q2: What do you do to control the quality?
A2:  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 the customer's request.

Q3:: What are your hot-selling products?
A3: 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.

Q4: Can we visit your company and factory? 
A4: Yes, warmly welcome! We will book the hotel and assign our driver to pick you up at the airport when you visit.