Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts

Model NO.
SNCM439/40CrNiMoA
Technique
Cold Drawn/Black/Peeld/Turned/Centerless Grinding
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


Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
Product Description

SNCM439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts

SNCM439 / 40CrNiMoA is a high-performance alloy steel known for its excellent strength, toughness, and wear resistance. It offers good hardenability, making it suitable for use in heavy-duty applications such as gears, shafts, and automotive components. This steel is ideal for parts that require high fatigue strength, durability, and resistance to high-stress conditions. After heat treatment, SNCM439 / 40CrNiMoA provides superior mechanical properties for industrial and automotive applications.

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

Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts

Production process

Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts

Major Equipment

1.  Electric Arc Furnace
2. ESR
3. 5T Forging Machine
4. Vacuum Annealing Furnace
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
5.  Non-destructive Detector
6. Rolling Mill
7. Drawing Mill
8. Spray Forming

 

Surface condition
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts

 

 

 

Applications

SNCM439 / 40CrNiMoA is widely used for:

  • High-performance gears, shafts, and axles

  • Automotive components such as crankshafts, camshafts, and connecting rods

  • Industrial machinery parts requiring high strength and wear resistance

  • Fasteners and bolts exposed to high stress

  • Heavy-duty components for aerospace and automotive industries

  • Parts exposed to high fatigue and impact

 
Packaging & Shipping
 
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts Sncm439/40CrNiMoA Alloy Steel Bar Supplier High-Strength Mechanical Parts
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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