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Contact: songshun steel
Company: Dongguan Songshun Mould Steel Co., Ltd.
1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town
Dongguan 523846
China
Phone: 076985475596
Fax: http://www.songshunsteel.com/
E-Mail: Send Inquiry Member for over 1 year
Date/Time:  7/12/22 9:17 GMT
 

SCM440 Steel Fabricators High Yield SCM440 Steel Fabricators Low Cost

AISI 4140 Chemical Composition
C 0.38-0.45% Cr 0.90-1.20%
Si 0.17-0.37% Mo 0.15-0.25%
Mn 0.50-0.80% Ni ≤0.30%
P ≤0.035% S ≤0.035%


SAE 4140 Mechanical Properties
Tensile Strength σb (MPa):≥1080(110)
Yield Strength σS (MPa):≥930(95)
Elongation δ5 (%):≥12
Reduction ψ (%):≥45 
Impact Energy Akv (J):≥63
Impact Toughness akv (J/cm2):≥78(8)
Annealed Hardness ≤217HB


4140 Product Details
Describe 4140 steel belongs to medium hardenability steel, which has the
advantages of high yield, good comprehensive mechanical properties, good
strength, good toughness and high hardenability. Its carbon content is
0.33%-0.48%, its tensile strength is 795 MPa, and its hardness is It is 241HB
Advantage After heat treatment, 4140 has good strength and good
comprehensive mechanical properties, and has good manufacturability. It can be
used to make steam turbine fasteners, salvage tools, etc.
Feature This steel has good strength, good toughness, high hardenability, good
workability, small processing deformation, quite good fatigue resistance, small
deformation during quenching, high creep strength and durable strength at high
temperature and so on.
Application It is used to manufacture forgings that require higher strength
and larger quenched and tempered section than 35CrMo steel, such as large gears
for locomotive traction, supercharger transmission gears, rear axles,
connecting rods and spring clips that are heavily loaded, and can also be used
for Drill pipe joints and fishing tools for oil wells below 2000m, and can be
used for molds of bending machines, etc.



Our advantage
Focus on the steel industry for more than ten years
Strength factory
Professional service
Quality assurance
Customized according to customer requirements
Factory price
Fast shipping time
Good after-sales service
Happy to work with customers
High repurchase rate, etc.

Please request a quote.
Contact us:
MiKi Zhuo
E-mail:jacklu@songshunsteel.com
Skype/W , hatsapp/Wechat:+86-18269260283
ADD:No.4 Dongda Street, Shatou, Changan Town, Dongguan City, Guangdong
Province, P.R.C China
For more 4140 steel product information, please click this link:
https://steelpurchase.com/4140-scm440-172 , 25-steel/
Songshun Company Website:https://steelpurchase.com/
http://www.songshunsteel.com/
songshunsteel , 41404340

Minimum Order: 2 tons

SCM440 Steel Fabricators  High Yield SCM440 Steel Fabricators Low Cost
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