High-Performance 4340/ G43400 Steel Bar for Gears and Shafts

Model NO.
4340/G43400
Technique
Cold Drawing/Hot Rolled/Cold Rolled/Welded
Shape
Bar
Surface Treatment
Cold Drawn/Black/Peeld/Turned/Centerless Grinding
Heat Treatment
Annealed, Quenched, Tempered
Delivery Time
According to The Inventory Situation
Product Application
Automotive Components/Mechanical Parts
Price
to Be Confirmed Based on Order Details
Transport Package
Standard Packaging
Specification
According to order
Trademark
ZEICIN
Origin
China
Production Capacity
10000 Ton / Year
Reference Price
$ 270.00 - 810.00
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Product Description

High-Performance 4340/G43400 Steel Bar for Gears and Shafts
Product Description

High-Performance 4340/G43400 Steel Bar for Gears and Shafts

4340 / G43400 is a high-performance alloy steel known for its excellent strength, toughness, and fatigue resistance. It is widely used in high-stress and heavy-duty applications, such as gears, shafts, and other mechanical components. With good hardenability and uniform mechanical properties after heat treatment, 4340 / G43400 is ideal for aerospace, automotive, and industrial machinery applications. This steel provides superior durability and reliability, making it suitable for high-load and high-fatigue environments.

Similar Grades

ZEICIN Grade GB AISI/UNS JIS DIN/EN
4340/G43400
40CrNiMoA
4340/G43400
SNCM439
36CrNiMo4/1.6511


Main Chemical Composition%

C Si Mn S P Cr Mo Ni Cu
0.36-0.43 0.15-0.35 0.60-0.90 ≤0.03 ≤0.03 0.60-1.00 0.15-0.30 1.60-2.00 ≤0.30


Heat Treatment

Process Temperature (°C) Cooling Method
Annealing 670 - 820 Furnace cooling
Normalizing 820 - 870 Air cooling
Quenching 820 - 870 Oil cooling
Tempering 580 - 680 Water cooling
Our Advantages

High-Performance 4340/G43400 Steel Bar for Gears and Shafts

Production process

High-Performance 4340/G43400 Steel Bar for Gears and Shafts

Major Equipment

1.  Electric Arc Furnace
2. ESR
3. 5T Forging Machine
4. Vacuum Annealing Furnace
High-Performance 4340/G43400 Steel Bar for Gears and Shafts
High-Performance 4340/G43400 Steel Bar for Gears and Shafts
5.  Non-destructive Detector
6. Rolling Mill
7. Drawing Mill
8. Spray Forming
Surface condition
High-Performance 4340/G43400 Steel Bar for Gears and Shafts
Applications

4340 / G43400 is widely used for:

  • High-performance gears and shafts

  • Automotive components such as crankshafts, camshafts, and axles

  • Aerospace parts requiring high strength and toughness

  • Heavy-duty industrial machinery components

  • High-strength fasteners and structural parts

  • Components exposed to high stress and fatigue

 
Packaging & Shipping
 
High-Performance 4340/G43400 Steel Bar for Gears and Shafts
High-Performance 4340/G43400 Steel Bar for Gears and Shafts
High-Performance 4340/G43400 Steel Bar for Gears and Shafts
High-Performance 4340/G43400 Steel Bar for Gears and Shafts
High-Performance 4340/G43400 Steel Bar for Gears and Shafts
High-Performance 4340/G43400 Steel Bar for Gears and Shafts High-Performance 4340/G43400 Steel Bar for Gears and Shafts
 
FAQ

Q1: Do you accept trial orders?
A1: Yes, we accept trial orders if the exact size is in stock.

Q2: What is your delivery time?
A2: If the goods are in stock, delivery time is generally 5-15 days. If the goods are not in stock, it may take 15-20 days, depending on the order quantity.

Q3: Do you offer discounts for bulk orders?
A3: Yes, we offer discounts for bulk orders. The specific discount will depend on the order quantity and cooperation terms. Please feel free to contact us for more information.

Q4: What is your product packaging like?
A4: Our products are packaged accordingly in standard industrial packaging to ensure safety during transport. If you have special packaging requirements, please specify them when placing your order, and we will package your items accordingly.

Q5: What payment methods do you support?
A5: We accept a variety of payment methods, including T/T, L/C, Alipay, PayPal, etc. The specific payment method can be arranged flexibly based on the order amount and customer needs.

 

 

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