SAE4140/AISI4140 Chrome Plated rod Chrome Shaft

Material:Material:AISI4140/SAE4140/SCM440/42CrMo/42CrMo4

Length: Max 20m

Shape: Round bar

Roughness: Ra <= 0.2u

OD Diameter: From 6mm to 800mm

Diameter tolerance:ISO f7/h8/g6

Heat treatment: Hard Chrome Piston Rod ( HRC 15-20)
                               Quenched & Tempered (Q+T) Rod (HRC 28-32)
                                Induction Hardened Rod (HRC 55-62)
                               Q+T Induction Hardened Rod (HRC 60-65)

Chrome thickness: As per request 20 to 100 micron

Protection:anti-rust oil on inside and outside surface, plastic caps in both ends.

SAE4140/aISI4140 Chrome Plated Rod Chrome Shaft Chemical Properties and Mechanical Properties

Performance CategorySpecific PerformanceValue
Chemical CompositionCarbon (C)0.38% – 0.43%
 Silicon (Si)0.15% – 0.30%
 Manganese (Mn)0.75% – 1.0%
 Phosphorus (P)≤ 0.035%
 Sulfur (S)≤ 0.040%
 Chromium (Cr)0.80% – 1.10%
 Molybdenum (Mo)0.15% – 0.25%
 Iron (Fe)Balance
Physical PropertiesDensity7.85 g/cm³
 Melting Point1416℃
Mechanical PropertiesTensile Strength655 MPa
 Yield Strength415 MPa
 Elastic Modulus190 – 210 GPa
 Poisson’s Ratio0.27 – 0.30
 Elongation at Break (50mm Gauge Length)25.70%
 Brinell Hardness197
 Knoop Hardness (Converted from Brinell Hardness)219
 Rockwell Hardness B (Converted from Brinell Hardness)92
 Rockwell Hardness C (Converted from Brinell Hardness)13
 Vickers Hardness (Converted from Brinell Hardness)207
SAE4140 Chrome Plated Rod

4140 Chrome Plated Rod material, also known as AISI 4140 Chrome Plated Rod Chrome Shaft

AISI 4140, is a popular low alloy steel renowned for its excellent mechanical properties.

  • High Strength: It offers high tensile and yield strength, making it suitable for applications that demand resistance to heavy loads and stress.
  • Good Hardness: After proper heat treatment, 4140 can achieve a high level of hardness, enhancing its wear – resistance.
  • Superior Toughness: Despite its high strength and hardness, 4140 maintains good toughness, reducing the risk of sudden failure under impact or dynamic loading.
  • Good Machinability: This material has relatively good machinability, allowing for efficient manufacturing processes with standard machining tools.

Barra de acero cromado duro 4140/Varilla de cromo duro AISI4140 endurecida por inducción/Vástago de pistón con eje cromado duro SAE4140
/Varilla de acero cromado 42CrMo4/Eje de cilindro con barra cromada 4145/Varilla de cromo duro C45 endurecida por inducción/Varilla cromada pulida SAE1045