Extruder Screw Shaft
Product Description
Extruder shaft is spline design which is good for torque distribution.
Material
Using 40CrNiMoA material, the compactness is increased by forging and processing, and the material torque is improved by heat treatment process.
Chemical Composition of materials
element | C | Mn | Cr | Ni | Mo |
content | 0.37 ~ 0.44 | 0.50 ~ 0.80 | 0.60 ~ 0.90 | 1.25 ~ 1.65 | 0.15 ~ 0.25 |
Mechanical Properties of Materials
Density (kg/m3): about 7830
Elastic modulus (GPa): 209
Tensile strength: b (MPa): ≥ 980 (100)
Yield strength: s (MPa): ≥ 835 (85)
The elongation is 5%: ≥ 12
The reduction rate of the cross section (%): ≥ 55
Impact energy Akv (J): ≥ 78
Impact toughness value of alpha kv (J/cm): ≥ 98 (10)