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Guangzhou Changfeng Steel Co., LTD
Home ProductsHot Rolled Steel Bar

1.7225/SAE4140/SCM440/42CrMo4 Hot Rolled Alloy Steel Bar for mechanical

China Guangzhou Changfeng Steel Co., LTD certification
China Guangzhou Changfeng Steel Co., LTD certification
Gold supplier! Arranged shipment very fast, quality is super good. They are one of our best suppliers, will do more business with them in the future!

—— Ms Nguyen Thi Hong

We bought 7 containers from them in 2017, no quality problems. The boss is very nice and professional, good business parner!

—— Mr. Wan Rusli

Good job! Shipment was arranged fast, giving lots of good suggestions before place order, saved me time and money.

—— Mrs. Natntia Jitaniyompanich

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1.7225/SAE4140/SCM440/42CrMo4 Hot Rolled Alloy Steel Bar for mechanical

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Large Image :  1.7225/SAE4140/SCM440/42CrMo4 Hot Rolled Alloy Steel Bar for mechanical

Product Details:
Place of Origin: China
Brand Name: CF Steel
Certification: ISO/TUV/SGS
Model Number: SAE4140,1.7225,SCM440,EN19, 42CrMo4
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: standard/customized
Delivery Time: 7-15days
Payment Terms: L/C, T/T
Supply Ability: 1000tons/month
Detailed Product Description
Diameter: 16-450mm Heat Treatment: Annealing/Q+T
Technology: Hot Rolled/Forged Test: SGS/Ut100%/Elements Testing
Shape: Round Bar Application: Mechanical
High Light:

hot rolled alloy steel round bar

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hot rolled steel round bar

1.7225/SAE4140/SCM440/42CrMo4 Hot Rolled Alloy Steel Bar for mechanical

Perform Standard: GB/T 3077-1999

C Si Mn Cr Mo P S Ni
0.38~0.45 0.17~0.37 0.60~0.90 0.90~1.20 0.15-0.25 ≤0.018 ≤0.030 ≤0.012



1, Application
It used for section large forgings, such as locomotive traction gears, with supercharger drive gear,
the rear axle, the connecting rod and the spring load greatly clip,oil drill pipe joints and fishing tools,etc.


2, Feature
1) Weldability suffers with increasing chromium content;
2) High temperature strength and high pressure hydrogenation properties are promoted by chromium
and molybdenum;

3) Molybdenum significantly reduces temper brittleness;
4) Chromium renders steel oil hardenable and increase hardenability;
5) Chromium molybdenum high tensile steel with yield strength of 550N/mm2;

3,Mechanical Properties:
Tensile strength:σb (MPa):≥1080(110)
Yield strength:σs (MPa):≥930(95)
Elongation:δ5 (%):≥12
Section shrinkage:ψ (%):≥45
Impact work:Akv (J):≥63
Impact toughness value:αkv (J/cm²):≥78(8)

4,Ready Stock:

Grade Size(mm)
SCM440 Plate Thickness Width Length
20-280 2200 5800
SCM440 Round Bar Diameter Length
16-450 3000-6000


5,Delivery state:
Hot rolled, Heat Treatment,black, hardness or tempered hardness:28-34 HRC.
Annealing:HBS<=235.

6, Delivery time
For abundant stock, 7-15 days.For customized products, 30-50 days.
We have full set of equipement (sawing machine/grinding/polishing machine) to make customer's specification.

Listed specifications are only typical grades; products of required specifications can be developed/
produced per international, Chinese or industry standards, or based on agreements with customers.

 

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1.7225/SAE4140/SCM440/42CrMo4 Hot Rolled Alloy Steel Bar for mechanical 11.7225/SAE4140/SCM440/42CrMo4 Hot Rolled Alloy Steel Bar for mechanical 2

 

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FAQ:
Q: Are you a manufacturer or merely a trader?
A: We are trading company act as exporting Steel Products with our own factory,
we can manufacture the products as in cutomer's requirement,wholesale and retail all kinds of domestic mould steel,the price we offered is very competitive compared with other agents.

Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as SGS, CE,ISO if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival. Third,the products we export are mainly from ShaGang group, WenFeng group, XingCheng group, DongTe group, DaYe and so on, the quality are certained.

Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material don't have stock, the delivery lead time is about 30-50 days after receiving your prepayment or firm order.

Q: What is the payment term?
A:100% T/T or 30%T/T deposite prepaid, 70%Balance L/C.

Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.

 

 

 

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +8613535323261

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