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Guangzhou Changfeng Steel Co., LTD
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Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar

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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Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar

Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar
Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar

Large Image :  Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar

Product Details:
Place of Origin: CHINA
Brand Name: Changfeng
Certification: ISO/ Mill Certificate
Model Number: 1.7225 SCM440 SAE4140 42CrMo
Payment & Shipping Terms:
Minimum Order Quantity: 5T
Price: To be negotiated
Packaging Details: bulk packing/wooden case
Delivery Time: 15-20 days
Payment Terms: T/T, L/C
Supply Ability: 1000t/Mouth
Detailed Product Description
Material: Allot Steel Heat Treatment: Annealing/Q+T
Test: SGS/Ut100%/Elements Testing Technology: Forged Or Hot Rolled
HS Code: 7228300000 Shape: Flat Bar, Block Or Round Bar
Application: Bolt, Gear Mill: Xiang Steel, Xinyu Steel, Or Chang Steel
High Light:

carbon tool steel

,

hardened tool steel

Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar

 

SAE 4140 alloy steel round bar's chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. This alloy responds well to heat treatment. In the annealed condition it machines at 110 sfm. It also has good wear resistance, toughness, and good ductility in the quenched and tempered condition. This grade can also be supplied as turned ground and polished for tighter dimensional tolerances for bearing fitting applications.

 

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


Equivalent grades:

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



Available size(mm):

Flat Bar Size(mm) Round bar Size(mm)
Thickness Width Length Diameter Length
13-280 200-2200 2000-10000 20-260 3000-6000


 

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

Appliation:
Production load large, complex shape and valuable tool (e.g, scraper, gear, milling cutter, drilling, tapping, etc.)Cold forging die, forging tools;Strip cutting machine, heading forming die.

 

Hardness:

Anneal≤217HB

Q+T 28-32HRC

Heat Treatment

1) Forging

Preheat the steel carefully, then raise the temperature to 1150-1200°C for forging. Do not forge below 850°C.

2)Annealing

Heat the AISI 4140 slowly to 800-850°C and allow enough time for the steel to be thoroughly heated. Cool slowly in the furnace to 480°C followed by air cooling.

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: 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.

 

 

Changfeng Tool & Die Steel Hot Sale product info:

STANDARD/GRADE 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
 

 

 

Product:

Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar 0

Bolt And Gear SAE4140 SCM440 1.7225 42CrMo Alloy Tool Mechanical Steel Plate Round Bar 1

 

Our workshop

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Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +8613535323261

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