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Huangshi Chengquan Metal Material Co., Ltd.

SAE4320, 637m17, DIN1.5714 manufacturer / supplier in China, offering SAE4320 637m17 DIN1.5714 16nicr4 Special Alloy Case Hardening Steels, 1.2825 Round Tool Steel Bar, High Speed Steel 1.3343, Hs6-5-2c and so on.

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Supplier Homepage Product Structual Steel Case Hardening Steel SAE4320 637m17 DIN1.5714 16nicr4 Special Alloy Case Hardening Steels

SAE4320 637m17 DIN1.5714 16nicr4 Special Alloy Case Hardening Steels

FOB Price: US $400-1,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $400-1,000/ Ton
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Production Capacity: 5000tons/Year
Transport Package: Seaworth Packing
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: SAE4320 637M17 DIN1.5714 16NiCr4
  • Standard: AISI, DIN, GB, BS
  • Technique: Hot Forged,or Hot Rolled
  • Surface Treatment: Black Surface, Grinded,Peeled,Milled,Polished
  • Application: Structural Steel Bar
  • Quality Standard: BS En 10084 2008 Case Hardening Steels
  • Delivery Condition: Hot Rolled, Forged, Annealed,Quenched and Tempered
  • Trademark: CHENGQUAN
  • Origin: Huangshi, Hubei
  • Type: Alloy Steel Bar
  • Composition: Ferrous Steel Scrap
  • Shape: Round,Flat or Square
  • Special Use: Alloy Structural Steel
  • Size Range: Round Bar:Dia12~420mm Flat Bar:2~420 X 30~1500mm
  • Smelting Process: Ef, Ef/Eaf+Lf+Vd, Ef/Eaf+ESR
  • Surface Condition: Black Surface, Grinded,Peeled,Milled,Polished
  • Specification: Round Bar: Dia12~420mm Flat Bar: 2~420 X 30~1500mm
  • HS Code: 7228100000
Product Description
Similar Grade:
DINMaterial No.AFNORSAEBS
16NiCr41.571416NC64320637M17

Quality Standard:
BS EN 10084 2008 Case hardening steels

Chemical Composition(%)

C
MnSiPSCrNi
0.13-0.190.70-1.000.40 max0.025 max0.035 max0.60-1.000.80-1.10

Mechanical Properties(values obtained on test blanks after core hardening + stress-relieving)

Test Blanks Diameter(mm)
Tensile Strength (Mpa)Yield Strength (Mpa)Elongation (longitudinal) (%)Impact 20°C(J)Hardness (HB)
11mm1080-1470835 min9 min30 min327-417
30mm830-1130590 min10 min32.5 min249-339

HEAT TREATMENT AND HOT PLASTIC DEFORMATION TEMPERATURES

Process
TEMPERATURE°CCooling Medium
Hot Forming900-1150air
Normalizing870 minair
Soft Annealing700 minair 217HB max
Carburising870-950/
Core hardening840-880oil-polymer salt bath
Carbonitriding750-930gas
Isothermal annealing860 mincooling to 650, then air (HB 166-217)
Case hardening810-840oil-polymer salt bath
Tempering150-200/

Applications
Alloyed case hardening steel for parts with a required core tensile strength of 1000 - 1300 N/mm² and good wearing resistance as boxes, piston bolts, spindles, camshafts, gears, shafts and other mechanical controlling parts.
 
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