Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel

Product Details
Customization: Available
After-sales Service: Online Technical Support
Warranty: 1 Year
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Manufacturer/Factory, Trading Company
Diamond Member Since 2021

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Plant Area
>2000 square meters
Management System Certification
ISO 9001, ISO 9000, ISO 14001, IATF16949, ISO 14064, GMP
  • Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel
  • Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel
  • Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel
  • Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel
  • Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel
  • Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel
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Basic Info.

Model NO.
4340/1.6511/SNCM439/V320
Type
Steel Plate
Standard
ASTM, AISI, GB, JIS, DIN, BS
Certification
ISO, RoHS
Surface Treatment
Blackface
Technique
Hot Rolled
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
Trademark
Chimold
Origin
China
HS Code
722830
Production Capacity
10000 Tons Per Month

Product Description

Hot Rolled/ Forged Alloy Structural Steel Flat Bar/ Round Bar 4340/1.6511/SNCM439/V320
Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 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


Product Pictures
Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 SteelBest Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 SteelBest Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 SteelBest Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 SteelBest Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 SteelBest Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 SteelBest Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 SteelBest Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel
 
 
Chimold locates in Changan Town, Dongguan City, Guangdong Province. We specializes in mold steel, carbon steel, tool steel, high speed steel, structural steel and other special steels, with large amount of stock and factory, being able to store and process the steels according to your actual need. 

Main Products:
 
PLASTIC MOULD STEEL: 1.2311, 1.2312, 1.2738, P20, 1.2083, 1.2316, NAK80, P40, 1.2738HH

HOT WORK MOULD STEEL: 1.2344, SKD61, H13, H11, FDAC, 8407

COLD WORL MOULD STEEL: SKD11, D3, SKS3, 1.2080, 1.2379, CR12MOV, O1, D2

STRUCTURAL ALLOY STEEL: 4140, 20CR, 40Cr, 35CrMo, 42CrMo, 38CrmoAi, SCM440, SCM420, 1.7225

CARBON STEEL &: Q235, Gcr15, S45C, S50C, S55C




Our Stock and Package Pictures

Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel


Our Loading Pictures

Best Selling 4340/V320 Black Surface/Milled Surface Four Sides Cut Flat Pre-Harden Alloy Steel Flat 4340 Steel

FAQ

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 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 specialized 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 equipments such as horizontal sawing machine, vertical sawing machine and milling machine, which allow us to  process the goods according to actual need. 

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