Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard

Model NO.
SNCM439
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


Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
Product Description

Premium Quality SNCM439 Alloy Steel Bar JIS G4051 Standard

JIS G4051 SNCM439 is a high-strength alloy steel with excellent toughness, wear resistance, and fatigue strength. It has good hardenability and uniform mechanical properties after heat treatment. SNCM439 is widely used in gears, shafts, fasteners, and other heavy-duty mechanical parts requiring durability and reliability.

Similar Grades

ZEICIN Grade GB AISI/UNS JIS DIN/EN
SNCM439
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

 

Production process

Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard

Major Equipment

1.  Electric Arc Furnace
2. ESR
3. 5T Forging Machine
4. Vacuum Annealing Furnace
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
5.  Non-destructive Detector
6. Rolling Mill
7. Drawing Mill
8. Spray Forming
Surface condition
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
Applications

JIS G4051 SNCM439 is widely used for:

  • Automotive components such as gears, shafts, and axles

  • High-strength bolts, fasteners, and connecting rods

  • Industrial machinery parts under heavy loads

  • Pressure vessels and engineering structures require durability

  • Tools and dies need wear resistance and toughness

 
Packaging & Shipping
 
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard Premium Quality Sncm439 Alloy Steel Bar JIS G4051 Standard
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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