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

Mould Steel, alloy steel, Special Steel manufacturer / supplier in China, offering SAE4140/1.7225 Alloy Tool Steel Round Bar, P21/NAK80 Steel Plate for Plastic Mould Steel, SAE5140/1.7035/SCR440/40Cr Hot Rolled Alloy Steel Plate and so on.

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Supplier Homepage Product Mechanical Alloy Steel SAE4140/1.7225 Alloy Tool Steel Round Bar

SAE4140/1.7225 Alloy Tool Steel Round Bar

Purchase Qty.:
(Tons)
3-9 10-19 20+
FOB Unit Price: US $1,170 US $1,150 US $1,120
Purchase Qty. (Tons) FOB Unit Price
3-9 US $1,170
10-19 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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Basic Info
  • Model NO.: 1.7225/SAE4140/42CrMo/SCM440
  • Technics: Hot Rolled
  • Surface: Polished
  • Special Use: Used for Main Shaft of Steamer
  • Technology: Hot Rolled/Forged
  • Test: SGS/Ut100%/Elements Testing
  • Delivery Quantity: Include MOQ
  • Transport Package: for Customers′ Request
  • Origin: Guangdong, China
  • Standard: DIN, JIS, AISI, ASTM, GB, BS
  • Application: Structural Steel Bar
  • Alloy: Alloy
  • Heat Treatment: Annealing/Q+T
  • Certificate: ISO/Mill Certificate
  • Payment: L/C or T/T
  • Trademark: CF STEEL
  • Specification: diameter 14-460mm
  • HS Code: 7228300000
Product Description
SAE4140/1.7225 Alloy Tool Steel Round Bar

Perform Standard: GB/T 3077-1999

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


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.Ready Stock: 
Round Bar diameter 14-460mm.All the sizes as require can be customerized as fresh production with MOQ.
 
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.

Product pictures:
SAE4140/1.7225 Alloy Tool Steel Round Bar
SAE4140/1.7225 Alloy Tool Steel Round Bar
SAE4140/1.7225 Alloy Tool Steel Round Bar



Corner of factory:

SAE4140/1.7225 Alloy Tool Steel Round Bar
SAE4140/1.7225 Alloy Tool Steel Round Bar
SAE4140/1.7225 Alloy Tool Steel Round Bar


 

 
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