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SHANGHAI UNITE STEEL

  • China,Shanghai ,Shanghai
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China Mechanical ISO 4957 Grade 40CrMnMoS8-6 Cold Tool Steel Bar
China Mechanical ISO 4957 Grade 40CrMnMoS8-6 Cold Tool Steel Bar

  1. China Mechanical ISO 4957 Grade 40CrMnMoS8-6 Cold Tool Steel Bar

Mechanical ISO 4957 Grade 40CrMnMoS8-6 Cold Tool Steel Bar

  1. MOQ: MOQ1-2TONS
  2. Price:
  3. Get Latest Price
Payment Terms L/C, T/T
Supply Ability 1500 ton/month
Delivery Time Within 5-8 weeks
Packaging Details Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Products Cold work tool steel
Is alloy yes
Standard ISO4957
MOQ 3 tons
Brand Name UST
Model Number ISO 4957 Grade 40CrMnMoS8-6
Certification ISO
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, T/T Supply Ability 1500 ton/month
Delivery Time Within 5-8 weeks Packaging Details Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Products Cold work tool steel Is alloy yes
Standard ISO4957 MOQ 3 tons
Brand Name UST Model Number ISO 4957 Grade 40CrMnMoS8-6
Certification ISO Place of Origin CHINA
High Light ISO 4957 Cold Tool Steel BarMechanical Parts Tool Steel BarPiercing Tool Steel Bar

ISO 4957 Grade 40CrMnMoS8-6

 

 

TYPICAL APPLICATIONS
Alloy tool steel is widely used to produce the cutting tool, cold/heat distortion mould and measuring implements,
and further to manufacture the piston, valve, valve seat of fuel pump of diesel engine.
Cutting tools
Mechanical parts  
Air hammer tools
Piercing tools
  •  
PRODUCT DESCRIPTION
The alloy is usually produced by EAF /VD /LF followed by electroslag refining (ESR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the softened condition.
Final heat treatment - heat treatment / QT 
 
※ MATERIAL SPECIFICATIONS  
   EN ISO 4957: 2000 , DIN 17350 (1980)
 
※ AVAILABLE SHAPES  
Black bar /Flat bar /Square bar 
Bright - peeled + polishing /centerless grinding / peeled + slidabrading
Forged - ring /tube  /pipe casing /discs /shaft

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 0.35  0.45
Si 0.30  0.50
Mn 1.40  1.60
P   0.030
S 0.05  0.10
Cr 1.80  2.00
Mo 0.15  0.25
V    

Mechanical Properties

Tensile strength 206~844 σb/MPa
Yield Strength 398 σ 0.2 ≥/MPa
Elongation 94 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 558~382 -
HRC 30 -
Physical Properties
Thermal expansion 86-93 e-6/K
Thermal conductivity 28-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6414-0429 째C
Density 9843-3299 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     
Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

 
※ INVENTORY - hot rolled bar
Diameter:   12mm, 30
mm, 44mm, 25mm
Quantity:    458kg
 
 PRODUCT PROFILE  
Round bar / Wire rod (Diameter):  0.50mm to 3000mm
Square bar / Flat bar: 3mm to 2000mm
Plate / Sheet steel / Steel strip: 0.1mm to 2500mm
Width: 8mm to 2500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm. 
 
 

 

 

 

 

 

 


 

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Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller

  • Year Established:

    2010

  • Total Annual:

    10000000-25000000

  • Employee Number:

    50~110

  • Ecer Certification:

    Active Member

 We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national...  We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national...

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Get in touch with us

  • Reach Us
  • SHANGHAI UNITE STEEL
  • Room 1109, Loft Office, Green Land International Plaza, No. 275-8 Guoding East Road, Shanghai 200433, P.R. China. (admin(a)shunitesteel.com)
  • https://www.hydrauliccylindersteeltube.com/

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