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

SCM440 Hot Rolled Alloy Steel Round Bar , Hardened Tool Steel 1.7225 / SAE4140

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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SCM440 Hot Rolled Alloy Steel Round Bar , Hardened Tool Steel 1.7225 / SAE4140

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Large Image :  SCM440 Hot Rolled Alloy Steel Round Bar , Hardened Tool Steel 1.7225 / SAE4140

Product Details:
Place of Origin: China
Brand Name: CF steel
Certification: ISO / Mill Certificate
Model Number: SCM440 / 1.7225 / SAE4140
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Normal Package or according Customers' Demand
Delivery Time: 15-20 work days
Payment Terms: L/C, T/T
Supply Ability: 1000 Mt/month
Detailed Product Description
Grade: SCM440 / 1.7225 / SAE4140 Surface Treatment: Black/ Polishing / Turned / Grinding
Heat Treatment: Prehardening Packing: Normal Package Or According Customers' Demand
Payment Term: 30% Deposit, Balance By L/C At Sight Test: SGS / Ut 100% / Element Testing
High Light:

hot rolled steel flat bar

,

hot rolled alloy steel round bar

 

SCM440 / 1.7225 / SAE4140 Hot Rolled Alloy Special Steel Bar For Mechanical

 

 

Similar grade:

 

GB(China) DIN(German) AISI(USA) JIS(Japan)
42CrMo 1.7225 SAE4140 SCM440

 

 

Chemical composition:

 

C Si Mn Cr P S Mo
0.38-0.45 0.17-0.37 0.50-0.80 0.90-1.20 ≤0.035 ≤0.035 0.15-0.25

 

 

Feature:

 

1, Good strength, hardenability and toughness.
2, High creep strength and long lasting strength under the high temperature.

 

 

Applications:

 

Used in the manufacture of high strength, large cross-section forgings such as supercharger transmission gear,rear axle,hummar shank etc.

 

 

Available size(mm):

 

Flat Bar Size(mm) Round bar Size(mm)
Thickness Width Length Diameter Length
10-200 155-2200 2000-6000 20-200 3000-6000

 

 

Recommend heat treatment:

 

Quenching Tempering
Heating temperature/℃ Cooling way Hardness (HRC) Tempering
temperature/ºC
Cooling way Hardness
(HRC)
840-880 Oil Cooling ≥53 450-650 Air cooling 25-40

 

 

Terms of payment:

 

30% deposit T/T and the balance by L/C at sight, or T/T.

 

 

Delivery condition:

 

For abundant stock, 15-20 days.For customized products, 30-50 days.

 

 

About us:

 

Our company have introduced large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advance equipments, we can export our products by wholesales and retail sales, whole plate or strip is available. All our products can meet the standards of DIN, AISI, JIS and GB, all the material should be inspected the ultrasonic, hardness and others strict inspection process before the shipment.

 

We can provide below service:

 

1: We promise the final order quality will be consistercy as sample order;
2: We can offer you variation quality;
3: Trustworthy
We hope we become your trustworthy supllier in china;
4: We hope we can be your honest dealer;
5: We never crook our customers;
6: If you check black list you will not find our name.

 

 

Products show:

 

SCM440 Hot Rolled Alloy Steel Round Bar , Hardened Tool Steel 1.7225 / SAE4140 0

SCM440 Hot Rolled Alloy Steel Round Bar , Hardened Tool Steel 1.7225 / SAE4140 1

 

 

Hot sale products:

 

Plastic mould steel:

 

DIN: 1.1210 / 1.2311 / 1.2738 / 1.2083 etc.

AISI: SAE1050 / P20 / P20+Ni / P21 /420 etc.

JIS: S50C / PDS-3 / 718 / NAK80 etc.

 

 

Hot / cold work mould steel:

 

DIN: 1.2344 / 1.2379 / 1.2080 / 1.2510 etc.

AISI: H13 / D2 / D3 / O1 etc.

JIS: SKD61 / SKD11 / SKD1 / SKS3 etc.

 

 

High speed steel:

 

DIN: 1.3343 / 1.3355 / 1.3243 / 1.3247 etc.

AISI: M2 / T1 / M35 / M42 etc.

JIS: SKH51 / SKH2 / SKH35 / SKH59

 

 

Corner of factory:

 

SCM440 Hot Rolled Alloy Steel Round Bar , Hardened Tool Steel 1.7225 / SAE4140 2

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +86 18148729336

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