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1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel pictures & photos
1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel pictures & photos
1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel pictures & photos
1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel pictures & photos
1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel pictures & photos
1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel pictures & photos
  • 1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel
  • 1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel
  • 1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel
  • 1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel
  • 1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel
  • 1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel
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1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel

Reference FOB Price / Purchase Qty.
Get Latest Price
US $840.00
3-9 Tons
US $825.00
10+ Tons
After-sales Service: 24-hours
Warranty: 15 days after receiving goods
Type: Steel Plate
Standard: ASTM, AISI, GB, JIS, DIN, BS
Certification: ISO, RoHS
Surface Treatment: Blackface
Samples:
US$ 0.5/kg 1 kg(Min.Order)
| Request Sample
Customization:
Available
| Customized Request
Guangzhou Changfeng Steel Co., Ltd.

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Product Description

Company Info.

Basic Info.

Model NO.
1.7225, SAE4140, SCM440, EN19
Technique
Hot Rolled
Application
Mold & Dies
Special Use
High-strength Steel Plate, Wear Resistant Steel
Stock
Stock
Smelting Process
LF+VD+EAF
Shapes
flat bar/round bar/block
Technology
Hot Rolled/Forged/Clod Drawn
Surface Conditions
black/machined/peeled/bright
Heat Treatment
Annealing/Q+T
Quality Assurance
100% UT D/d, E/e passed
Delivery time
15-20days
Transport Package
Bundles/Wooden Cases
Specification
thickness: 20-280mm width: >=155mm, length: 5800mm
Trademark
CF STEEL
Origin
China
HS Code
7225401000
Production Capacity
1000t/Month

Product Description

1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel

1. Production Introduction

Equal Steel Grades:
GB(China) DIN(German) AISI(USA) JIS(Japan)
42CrMo 1.7225 SAE4140 SCM440

42CrMo steel is an ultra-high strength steel with high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit and multiple impact resistance after quenching and tempering, and good low temperature impact toughness.

2. 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

3.  Features:
1) Weldability suffers with increasing chromium content;
2) High temperature strength and high pressure hydrogenation properties are promoted by chromium and molybdenum;
3) Molybdenum significantly reduces temper brittleness;
4) Chromium renders steel oil hardenable and increase hardenability;
5) Chromium molybdenum high tensile steel with yield strength of 550N/mm2;
 
4. 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)

5. Recommend heat treatment:
Quenching Tempering
Heating temperature/ºC Cooling way Hardness (HRC) Tempering temperature/ºC Hardness (HRC)
Preheating temperature Solution temperture
500-600 850-880 Oil Cooling 50-52 200 ≥48

6. Delivery state:
Hot rolled, Heat Treatment,black, hardness or tempered hardness:28-34 HRC.
Annealing:HBS<=235.

7. Applications:
It used for section large forgings, such as locomotive traction gears, with supercharger drive gear, the rear axle, the connecting rod and the spring load greatly clip,oil drill pipe joints and fishing tools,etc.

8. Available sizes: 
Grade  Size(mm)
SCM440 Plate Thickness Width Length
20-280 2200 5800
SCM440 Round Bar Diameter Length
16-450 3000-6000

9. Product pictures
1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel
1.7225 SCM440 SAE4140 Annealed or Prehardened Mechanical Alloy Tool Steel

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Guangzhou Changfeng Steel Co., Ltd.

360° Virtual Tour

Diamond Member Since 2015

Suppliers with verified business licenses

Manufacturer/Factory, Trading Company
Management System Certification
ISO 9001, ISO 9000, IATF16949
Export Year
2012-11-11
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