AISI 5140/41Cr4/SCR440 HOT ROLLED ALLOY STEEL BAR

aisi-514041cr4scr440-hot-rolled-alloy-steel-baraisi-514041cr4scr440-hot-rolled-alloy-steel-bar

AISI 5140/41Cr4/SCR440 HOT ROLLED ALLOY STEEL BAR

AISI 5140/41Cr4/SCR440 HOT ROLLED 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/SCR440 HOT ROLLED 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

AISI 5140/41Cr4/SCR440 HOT ROLLED ALLOY STEEL BAR

Available Size

Hot rolled round bar: dia16mm-dia310mm

Hot rolled flat bar: thickness5mm-30mm, width50mm-130mm

Hot rolled square bar: 16mm*16mm-100mm*100mm

 

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.

 

AISI 5140/41Cr4/SCR440 HOT ROLLED ALLOY STEEL BAR

Application

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

Delivery Condition

Hot rolled, black surface/brigth surface with customers’ required heat treatment

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