Alloy Steel Tubing 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