Custom 10-45mm Module Large Girth Gear pinion Ring For Grinding
Mill
1. Type:1,1.25,1.5,2,2.5,3,4,5,6,8,10,12,16,20,25,32,40,50.
2. Standard: DIN; GB, GOST, AISI, etc.
3. Certification: ISO9001, Form E, Form A, CO
4.Report: Material Report; Hardness Report; UT/MT Report; Dimensions checking
report; Mechanical Property Test Report
girth gear material
42CRMO STEEL DATA
CHEMICAL LIST
C : 0.38-0.45%
Si: 0.17-0.37%
Mn: 0.50-0.80%
S : Allow residual content <0.035%
P : Allow residual content <0.035%
Cr: 0.90-1.20%
Ni: Allow residual content <0.030% Cu: Allow residual content
<0.030%
Mo: 0.15-0.25%
MECHANICAL DATA
Tensile Strength σb (MPa): >1080(110)
Yield point σs (MPa): >930(95)
Elongation σ5 (%): >12
Reduction of area ψ (%): >45 Akv (J): Impact absorbing energy
Akv(J): >63
Impact toughness value αkv (J/cm2): >78(8)
Hardness: <217HB
Sample size: The blank size of the sample is 25mm
PHYSICAL DATA
Critical point temperature (approximate value): Ac1=730℃, Ac3=800℃,
Ms=310℃
Linear expansion coefficient: temperature: 20~100℃/20~200℃/20~300℃
/20 ~400℃/20~500℃ /20~600℃
linear expansivity:
11.1x10K/12.1x10K/12.9x10K/13.5x10K/13.9x10K14.1x10K
Modulus of elasticity: temperature 20℃/300℃/400℃/500℃/600℃,
Elastic modulus 210000MPa/185000MPa/ 175000MPa/165000MPa/15500oMPa
