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

Steel, Steel Products, Alloy Steel manufacturer / supplier in China, offering SAE52100/GCr15/EN31/SUJ2 alloy tool steel in high quality, High Wear Resistance Cold Work Mould Steel SKD11, 1.2083/420 Plastic Mould Steel Special Steel and so on.

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Supplier Homepage Product Mechanical Alloy Steel SAE52100/GCr15/EN31/SUJ2 alloy tool steel in high quality

SAE52100/GCr15/EN31/SUJ2 alloy tool steel in high quality

Purchase Qty.:
(Tons)
3-4 5-19 20+
FOB Unit Price: US $1,320 US $1,300 US $1,270
Purchase Qty. (Tons) FOB Unit Price
3-4 US $1,320
5-19 US $1,300
20+ US $1,270
Get Latest Price
Production Capacity: 1000t/Month
Transport Package: Export Standard Packing or Customers′demand
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: SAE52100/GCr15/EN31/SUJ2
  • Technics: Hot Rolled
  • Surface: Polished
  • Special Use: Wear Resistant Steel, Free Cutting Steel, Mold Steel
  • Delivery Condition: Hot Rolled, Forged
  • Production Process: Ef/Eaf+Lf+Vd/ESR
  • Trademark: CF STEEL
  • Origin: Guangdong, China
  • Standard: DIN, JIS, AISI, ASTM, GB, BS
  • Application: Tool Steel Bar
  • Alloy: Alloy
  • Processing: Peeled, Turned, Polished
  • Test: SGS / Ut 100% / Element Testing
  • Payment Term: 30% Deposit, Balance by L/C at Sight
  • Specification: as required
  • HS Code: 7225401000
Product Description

High quality Alloy Steel 1.7225/Scm440 Steel Bar/SAE4140

Perform Standard: GB/T 3077-1999

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, 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.

4, Payment term
T/T 30% in advance, 70% balance against BL copy.
T/T 30% as deposite, 70% balance L/C at sight.
100% Trade Assurance.

5, Annealed Hardness
Hot rolled, black, hardness or tempered hardness:28-34 HRC.
Annealing:HBS<=235.

6, Chemical Compostion:
CSiMnCrMoPSNi
0.38~0.450.17~0.370.60~0.900.90~1.200.15-0.25≤0.018≤0.030≤0.012

7. Delivery state: forging parts produced with continuous casting and electro-slag re-melting process; rolled as annealed, bright and quenched/tempered steel bars.


8.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)
Hardeness:≤217HB

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

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.








 
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