High Temperature And Wear Resistant Ball Mill Gear Ring Parts For Mining And Metallurgy
High Temperature And Wear Resistant Ball Mill Gear Ring Parts For Mining And Metallurgy
Girth Gears offered find extensive application in different industry sectors including in sponge iron plants, steel & cement industry, mining industry, wind mills as well as in other industry sectors. These are made available in module range of 10 Module to 70 Module and in minimum diameters of 100 mm to 15000 mm. Further, these comprise maximum weight of 70 MT single pieces. Here the range of hardened & ground gear boxes/gears comprise Worm gear boxes, Helical / Double helical gears/gearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and others.
Module Range: 10 Module to 70 Module.
Diameter : Min 100 mm to16000 mm.
Weight : Max 120 MT single piece.
Hardened & Ground Gear Boxes/Gears:
Product Parameters
| 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=730ºC, Ac3=800ºC, Ms=310ºC |
| Linear expansion coefficient: temperature: 20~100ºC/20~200ºC/20~300ºC /20 ~400ºC/20~500ºC /20~600ºC |
| linear expansivity: 11.1x10K/12.1x10K/12.9x10K/13.5x10K/13.9x10K14.1x10K |
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