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AISI 5140/41Cr4 COLD DRAWN STEEL FLAT BAR

A36 CARBON STEEL BAR for maintenance work

 AISI 5140/41Cr4 COLD DRAWN STEEL FLAT 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 COLD DRAWN STEEL FLAT BAR

Available Size

Cold drawn flat bar: thickness5mm-80mm, width10mm-220mm

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 COLD DRAWN STEEL FLAT BAR

Delivery Condition

Cold drawn

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