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SCM440 4140 1.7225 Oil Hardening Alloy Hardened Tool Steel Bars For Mechanical
SCM440 4140 1.7225 Oil Hardening Alloy Hardened Tool Steel Bars For Mechanical
SCM440 4140 1.7225 Oil Hardening Alloy Hardened Tool Steel Bars For Mechanical
SCM440 4140 1.7225 Oil Hardening Alloy Hardened Tool Steel Bars For Mechanical
Specifications
Brand Name :
Changfeng
Model Number :
1.7225 SCM440 SAE4140
Certification :
ISO/ Mill Certificate
Place of Origin :
CHINA
MOQ :
5T
Price :
To be negotiated
Payment Terms :
T/T, L/C
Supply Ability :
1000t/Mouth
Delivery Time :
15-20 days
Packaging Details :
bulk packing/wooden case
Diameter :
20-450mm
Heat Treatment :
Q+T
Test :
SGS/Ut100%/Elements Testing
Technology :
Hot Rolled
HS code :
7228300000
Description

SCM440 4140 1.7225 oil hardening tool steel bars For Mechanical

SCM440 4140 1.7225 oil hardening tool steel bars For Mechanical

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.

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

Product:

SCM440 4140 1.7225 Oil Hardening Alloy Hardened Tool Steel Bars For Mechanical

Product tags

oil hardening tool steel

,

oil hardend tool steel

,

pre hardened tool steel
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SCM440 4140 1.7225 Oil Hardening Alloy Hardened Tool Steel Bars For Mechanical

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Product Detail
Brand Name :
Changfeng
Model Number :
1.7225 SCM440 SAE4140
Certification :
ISO/ Mill Certificate
Place of Origin :
CHINA
MOQ :
5T
Price :
To be negotiated
Contact Supplier
SCM440 4140 1.7225 Oil Hardening Alloy Hardened Tool Steel Bars For Mechanical
SCM440 4140 1.7225 Oil Hardening Alloy Hardened Tool Steel Bars For Mechanical

Guangzhou Changfeng Steel Co., LTD

Active Member
8 Years
guangdong, guangzhou
Since 2012
Business Type :
Distributor/Wholesaler, Exporter, Trading Company
Main Products :
Hot Work Tool Steel, Cold Work Tool Steel, Special Tool Steel
Total Annual :
5000000-10000000
Employee Number :
100~120
Certification Level :
Active Member
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