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5140/41Cr4 steel steel bar is one of the most widely used steel for machinery manufacturing industry which has good comprehensive mechanical properties after quenching and tempering.
Get Price Inquiry Now5140/41Cr4 steel 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
Cold drawn square bar: 8*8MM-100*100MM
Available Heat Treatment
Annealing/Normalizing/Hardening/Tempering/Quenching
Hot working temperature1050-850
Annealing temperature680-720
Normalizing temperature840-880
Quenching temperature820-850 water, 830-860 oil
Tempering temperature540-680
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.
Delivery Condition
Cold drawn