AISI4140 Chrome Plated Rod

Group Chrome Plated Piston Rod
Min. Order 1 piece
Terms of Payment L/C, T/T
Update Time 2019-08-14
  • Description
  • Product review

AISI4140 Chrome Plated Rod


Material:CK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel
ToleranceISO f7 
Chrome thickness:20~50micron
Hardness of  the chrome layer: 800HV(min)
Roughness: Ra 0.2micron (max)
Straightness: 0.1/1000mm
Yield Strength≥350 Mpa   
Tensile Strength≥580 Mpa  
Elongation≥ 15%
Supply condition:1.Hard chrome plated
2.Induction hardened
3.Quenched & Tempered
4.Induction hardened with Q&T

Chemical Composition

MaterialC%Mn%Si%S%P%V%Cr%
Ck450.42-0.500.50-0.800.17-0.37≤0.035≤0.035  ≤0.25
ST52≤0.22≤1.6≤0.55≤0.04≤0.04   0.02-0.15 
20MnV60.17-0.241.30-1.700.10-0.50≤0.035≤0.0350.10-0.20       ≤0.30
42CrMo40.38-0.450.50-0.800.17-0.37≤0.035≤0.035   0.07-0.120.90-1.20
40Cr0.37-0.450.50-0.800.17-0.37≤0.035  ≤0.035 0.80-1.10

Mechancial Properties

MaterialT.S  N/MM2Y.S  N/MM2E%(MIN)CHARPYCONDITION
CK4561035515>41JNORMALIZE
CK4580063020>41JQ + T
ST5250035522 NORMALIZE
20MnV675059012>40JNORMALIZE
42CrMo498085014>47JQ + T
40Cr100080010 Q + T


Corrosion Resistance:

Min 120 hours NSS Rating 9 test according to ISO 9227 and ISO 10289 for the evaluation of the results.

Induction Hardeness50-55HRC
Induction Layer1.7-2.5mm







  




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