Product Main

Quick Details

Alloy Or Not: Non-alloy
Technique: Cold Drawn
Secondary Or Not: Non-secondary
Place of Origin: China (Mainland)
Section Shape: Round
Outer Diameter: 6-500 mm
Thickness: 0.5-50 mm
Application: Gear Wheel , Axle , Shaft

Specifications

Alloy Steel Tubes 41Cr4 40Cr DIN1.7035

Seamless Steel Tubes with alloy steel grade 41Cr440CrDIN1.7035

International equivalent:
JIS: SCr440
ASTM: 5140
ISO: 41Cr4 


41Cr4DIN1.7035:
C:0.42
Si:0.25
Mn:0.70
Cr: 1.05

40Cr:
C:0.37-0.44
Si:0.17-0.37
Mn:0.50-0.80
Cr:0.80-1.10

Seamless steel tubes with these steel grade could achieve good mechanical properites with quenching and tempering heat treatment (QT), could also heat treatment with annealed.

Application: 
Gear wheel, axle, shaft, etc
 
Mechanical properties:
Tensile strength
 ≥980 Mpa
Yield strength ≥785 Mpa
Elongation ≥9
Hardness ≤229HBS