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Guangzhou Changfeng Steel Co., LTD
Home ProductsHigh Carbon Alloy Steel

Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm

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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Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm

Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm
Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm

Large Image :  Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm

Product Details:
Place of Origin: China
Brand Name: CF STEEL
Certification: ISO, Mill Certificate
Model Number: 40CrNiMoA, AISI4340,39CrNiMO,40NiCRMo22,SNCM439
Payment & Shipping Terms:
Minimum Order Quantity: 3MT
Price: USD800-900/MT
Packaging Details: Export Standard Packing or Customers'demand
Delivery Time: 7-15 days
Payment Terms: L/C, T/T
Supply Ability: 1000t/Month
Detailed Product Description
Standard: AISI,DIN,ASTM,GB Surface: Machined,black,Plain,mill Finish Or Peeled Finish,Grinding
Test: SGS / Ut 100% / Element Testing Delivery Condition: Hot Rolled, Forged
Heat Treatment: Annealing/Q+T Hs Code: 722540 & 722830
High Light:

high carbon steel plate

,

carbon steel rod

Superior Strength Special Alloy Steel DIN 1.7225 4140 Scm440 42CrMo4 Q + T Heat Treatment

 

 

► 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

 

 

Similar grades: GB 42CrMo / DIN 1.7225 / AISI SAE4140 / JIS SCM440

 

 

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

 

 

► Availabe shape:

 

  • Steel Plate
  • Flat Bar
  • Round Bar
  • Steel Block
  • Steel Sheet
  • Steel Rod

 

 

Feature:

 

1,Good strength, hardenability and toughness.


2,High creep strength and long lasting strength under the high temperature.

 

 

► Surface treatment:


Round bar: Black / Grinding / Polished / Peeled / Turned
Steel plate: Black / Milling / Machined

 

 

Recommend heat treatment:

 

Quenching Tempering
Heating temperature/℃ Cooling way Hardness (HRC) Tempering
temperature/ºC
Cooling way Hardness
(HRC)
850-880 Oil Cooling 50-52 450-650 Air cooling ≥48

 

 

Applications:

 

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

 

High strength, hardenability, good toughness, low deformation in quenching, high creep strength and endurance.Used in the manufacture requirements higher than 35 crmo steel strength and conditioning section more large forgings, such as locomotive traction with the big gear, supercharger drive gear, rear axle, the load of connecting rod and a spring clip, can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool and so on.

 
Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm 0
Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm 1
 

Changfeng Tool & Die Steel main product:

 

STANDARD/GRADE of steel Flat Bar Size(mm) Round bar Size(mm) Technics
DIN AISM JIS GB(China) Thickness Width Length Diameter Length
1.121 SAE1050 S50C 50# 10-450 155-2200 2000-12000     Forged, Hot Rolled
1.2311 P20 PDS-3 3Cr2Mo 10-460 155-2200 2000-10000 20-200 2000-6000
1.2738 P20+Ni - 3Cr2NiMnMo 21-300 155-2200 2000-8000 20-200 2000-6000
1.2379 D2 SKD10 SKD10 10-200 155-810 2000-6000 14-80 3000-6000
1.2080 D3 SKD1 3Cr2Mo 10-200 155-810 2000-6000 20-200 3000-6000
1.2083 420 - 4Cr13 10-500 155-1200 2000-6000 12-300 3000-6000
1.2344 H13 SKD61 4Cr5MoSiV1 10-500 155-1600 2000-6000 16-400 3000-6000
1.2510 O1 SKS3 9CrWMn 10-200 155-810 2000-6000 20-200 3000-6000
1.7225 SAE4140 SCM440 42CrMo 10-280 155-2200 2000-6000 16-450 3000-6000


 

About Us
Guangzhou Changfeng Steel Co., Ltd.
is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.

To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.

Superior Strength Alloy Steel Sheet 1.7225 4140 Plate Thickness 12mm -350mm 2

 

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +86 18148729336

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