AISI 5140/41Cr4 FORGED ALLOY STEEL BAR

aisi-514041cr4-forged-alloy-steel-bar

AISI 5140/41Cr4 FORGED ALLOY STEEL BAR

AISI 5140/41Cr4 FORGED ALLOY STEEL BAR is one of the most widely used steel for machinery manufacturing industry which has good comprehensive mechanical properties after quenching and tempering.

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AISI 5140/41Cr4 FORGED ALLOY STEEL BAR is one of the most widely used steel for machinery manufacturing industry which has good comprehensive mechanical properties after quenching and tempering.

Similar Grades

Standard Grade Chemical composition (%)
C Si Mn Cr P S

 

GB 40Cr 0.37-0.44 0.17-0.37 0.50-0.80 0.80-1.10 ≤0.035 ≤0.035
AISI 5140 0.38-0.43 0.15-0.35 0.70-0.90 0.70-0.90 ≤0.035 ≤0.040
JIS SCr440 0.38-0.44 0.15-0.35 0.60-0.90 0.90-1.20 ≤0.030 ≤0.030
DIN 41Cr4/1.7035 0.38-0.45 ≤0.40 0.60-0.90 0.90-1.20 ≤0.025 ≤0.035

 

Available Size

Forged steel round bar: dia100mm-dia1500mm

Forged flat bar: thickness20mm-400mm, width80mm-1000mm

Forged steel block: 100mm*100mm-1000mm*1000mm

AISI 5140/41Cr4 FORGED ALLOY STEEL BAR

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Hot working temperature ℃: 1050-850

Annealing temperature ℃: 680-720

Normalizing temperature ℃: 840-880

Quenching temperature ℃: 820-850 water, 830-860 oil

Tempering temperature ℃: 540-680

 

Characteristics

  1. Good hardenability.
  2. High frequency quenching treatment after QT.
  3. Good machinability.

 

Application

Gear, shafts, worm, spline shaft, main shaft, oil pump rotor, sliding block, lantern ring, etc.

AISI 5140/41Cr4 FORGED ALLOY STEEL BAR

Delivery Condition

Forged, black surface/ machined surface with customers’ required heat treatment

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