Gold Member Since 2015
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Guangzhou Changfeng Steel Co., Ltd.

Steel, Plate, Steel Plate manufacturer / supplier in China, offering Hot Rolled Die Steel Plate (1.7225, SAE4140, SCM440), 1.2311 Steel Plate for Hot-Rolled Plastic Mould Steel, Alloy Steel High Speed Steel Round Bar (1.3355/T1/Skh2) and so on.

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Supplier Homepage Product Mechanical Alloy Steel Hot Rolled Die Steel Plate (1.7225, SAE4140, SCM440)

Hot Rolled Die Steel Plate (1.7225, SAE4140, SCM440)

Purchase Qty.:
(Tons)
3-4 5-19 20+
FOB Unit Price: US $1,170 US $1,150 US $1,120
Purchase Qty. (Tons) FOB Unit Price
3-4 US $1,170
5-19 US $1,150
20+ US $1,120
Get Latest Price
Port: Shenzhen, China
Production Capacity: 1000t/Month
Payment Terms: L/C, T/T, D/P

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Alloy steel for mechanical
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Basic Info
  • Model NO.: 1.7225, SAE4140, SCM440
  • Standard: ASTM, AISI, GB, JIS, DIN, BS
  • Surface Treatment: Blackface
  • Application: Mold & Dies
  • Stock: Stock
  • Technology: Hot Rolled/Forged/Clod Drawn
  • Test: SGS/Ut100%/Elements Testing
  • Delivery Quantity: Include MOQ
  • Transport Package: Standard Packing or for Customers′ Request
  • Origin: Guangdong, China
  • Type: Steel Plate
  • Certification: ISO, SGS, RoHS
  • Technique: Hot Rolled
  • Special Use: Wear Resistant Steel
  • Heat Treatment: Annealing/Q+T
  • Certificate: ISO/Mill Certificate
  • Payment: L/C or T/T
  • Trademark: CF STEEL
  • Specification: diameter 14-460mm
  • HS Code: 7225401000
Product Description
 Special Alloy Steel for Making Shaft 1.7225/Scm440 /SAE4140 

Chemical Composition(%)
CSiMnCrMoPSNi
0.38~0.450.17~0.370.60~0.900.90~1.200.15-0.25≤0.018≤0.030≤0.012
Available size(mm)
Flat Bar Size(mm)Round bar Size(mm)
ThicknessWidthLengthDiameterLength
10-200155-22002000-600020-2003000-6000
1, Application
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.

2, Feature
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;
 
3.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)

4.Recommend heat treatment
quenchtemper
Heating temperature/ºCCooling wayHardness (HRC)Tempering
 temperature
/ºC
Hardness
(HRC)
Preheating temperatureSolution temperature
500-600850-880Oil Cooling50-52200≥48

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

6, Delivery time
For abundant stock, 15-20 days.For customized products, 30-50 days.
We have full set of equipement (sawing machine/grinding/polishing machine) to make customer's specification.

Listed specifications are only typical grades; products of required specifications can be developed/produced per international, Chinese or industry standards, or based on agreements with customers.

Welcome to send me the inquiry to demande the quotation, welcome to contact me for more informations:
Cindy
Sales Manager
Mobile Phone: +0086 13631315169
Tel: 0086-20-82515856  Fax:0086-20-82515866
http://www.changfengsteel.com/
http://changfenggz.en.made-in-china.com/


company certificate
Hot Rolled Die Steel Plate (1.7225, SAE4140, SCM440)

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Hot Rolled Die Steel Plate (1.7225, SAE4140, SCM440)
Hot Rolled Die Steel Plate (1.7225, SAE4140, SCM440)
Hot Rolled Die Steel Plate (1.7225, SAE4140, SCM440)
 
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