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Huangshi Chengquan Metal Material Co., Ltd.

20nicrmo13-4, 1.6660, Case Hardening Steels manufacturer / supplier in China, offering 20nicrmo13-4 1.6660 Case Hardening Steels, DIN1.7243, 18crmo4, 708m20 Case Hardening Steel (BS EN 10084), 1.2825 Round Tool Steel Bar and so on.

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Supplier Homepage Product Structual Steel Case Hardening Steel 20nicrmo13-4 1.6660 Case Hardening Steels

20nicrmo13-4 1.6660 Case Hardening Steels

FOB Price: US $500-5,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $500-5,000/ Ton
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Production Capacity: 5000tons/Year
Transport Package: Seaworth Packing
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 20NiCrMo13-4 1.6660
  • Standard: DIN, BS
  • Technique: Hot Forged,or Hot Rolled
  • Surface Treatment: Polished
  • Application: Structural Steel Bar
  • Specification: Round Bar: Dia12~420mm Flat Bar: 2~420 X 30~1500mm
  • HS Code: 7228100000
  • Type: Round
  • Composition: Ferrous Steel Scrap
  • Shape: Round,Flat or Square
  • Special Use: Safety-Critical Parts
  • Trademark: CHENGQUAN
  • Origin: Huangshi, Hubei
Product Description

Application

• Gears subjected to high stresses, diverse parts subject to wear and fatigue in service.
• In the quenched and tempered condition: safety-critical parts.

Characteristics

• High mechanical properties.
• Good fatigue strength.
• After carburising, quenching and tempering, the surface hardness is around 730 HV.
• Good toughness of the carburised layer.
• For some carburising applications, oil quenching can be replaced with gas pressure quenching in order to minimise distortion due to the heat treatment.

All Grades Comparison

DINEN
1.666020NiCrMo13-4

Quality Standard

EN 10084 2008 Case hardening steels

Chemical Composition(%)

CMnSiPSCrNiMo
0.17-0.220.30-0.600.40 max0.025 max0.035 max0.80-1.203.00-3.500.30-0.50

Hardness requirements for products delivered in the conditions

ProcessHardness
treated to improve shearability277HB max
soft annealed255HB max
treated to hardness range207HB-255HB
treated to ferrite-pearlite structure and hardness range197HB-241HB

Conditions for heat treating test bars and treatment of the steels:

ProcessTemperatures (oC)
End quench test850
Carburizing880-980
Core-hardening825-880
Case-hardening800-850
Tempering150-250

Mill′s test certificate:

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
 20nicrmo13-4 1.6660 Case Hardening Steels
 
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