聚福福彩

Quick Details

  • Standard: AiSi, ASTM, bs, DIN, GB, JIS
  • Grade: alloy steel
  • Place of Origin: China
  • Brand Name: CF Steel
  • Model Number: 1.7225, SAE4140, 42CrMo,SCM440
  • Type: Steel Plate
  • Technique: Hot Rolled/Forged
  • Surface Treatment: Black, Grinded, Machined, Black/Peeling/Polishing/Machined
  • Application: Used for Main Shaft of Steamer
  • Special Use: mold steel
  • Width: 2000-2200mm
  • Length: 4000-10000mm
  • Heat Treatment: Annealing/Q+T
  • Technology: Hot Rolled/Forged/Clod Drawn
  • Test: SGS/Ut100%/Elements Testing
  • Certificate: ISO/Mill Certificate
  • Production Process: EF/EAF+LF+VD/ESR
  • Payment Term: 30% Deposit, Balance by L/C at Sight
  • Thickness: 20-120mm

Packaging & Delivery

Packaging Details for Customers'request
Port Shenzhen

 

High Tensile Tool Steel Sheet , Die Tool Steel Annealed Heated SAE4140 / SCM440

 

 

SAE4140 mold steel plate is an alloy structural steel, it has good machinability, processing deformation is small, 4140 alloy structural steel fatigue resistance is quite good, is a medium hardenability steel.

After heat treatment, it has good strength and good mechanical properties, good workmanship, high yield.

The maximum temperature is 427 degrees Celsius. 

 

Equivalent grades

GB(China)DIN(German)AISI(USA)JIS(Japan)
42CrMo1.7225SAE4140SCM440

 

 

Chemical Composition(%)

CSiMnCrPSMo
0.38-0.450.17-0.370.50-0.800.90-1.20≤0.035≤0.0350.15-0.25

 

 

Feature

1. High strength

2. High hardenability

3. Good toughness,

4. Small deformation during quenching,

5. High creep strength and long-lasting strength at high temperatures.

 

 

Applications

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

 

 

Recommend heat treatment

QuenchingTempering
Heating temperature/℃Cooling wayHardness (HRC)Tempering
temperature
/ºC
Cooling wayHardness
(HRC)
850-880Oil Cooling≥53450-650Air cooling25-40

 

 

Available size(mm)

Flat Bar Size(mm)Round bar Size(mm)
ThicknessWidthLengthDiameterLength
10-200155-22002000-600020-2003000-6000

 

 

Mechanical Properties: 
Tensile strength:σb (MPa): ≥1080(110)
Yield strength:σs (MPa): ≥930(95)
Elongation:δ5 (%): ≥12
Section shrinkage:ψ (%): ≥45
Impact work:Akv (J): ≥63
Impact toughness value:αkv (J/cm²): ≥78(8)

 

 

Standards and Practices:

Bars & Forgings – To comply with all requirements of the latest edition of the Standards of the Society of Automotive Engineers for SAE 4140 steel.

Plates – To comply with all requirements of the latest edition of the Steel Products Manual of the Iron and Steel Society of AIME, for 4140 alloy steel plate.

 

 

Our Advantages: 

We are a stockist who have a lot of stocks all the time, we can arrange fast shipmen.

All products 100% pass UT test before the shipment.

The 3rd party inspection is accept.

Low MOQ request

TT, LC payment are both accepted

High quality, you won’t have any quality problems

 

We are here waiting for a cooperation chance between us, contact us today then you will get one more chance to find a loyal Hot Rolled Alloy Steel supplier!

 

 

More photos for Mold Steel Plate: 

China