SINTERED STEEL

Description

The bush in Sintered Steel is made with powder of steel obtained trough the powder metallurgy technology. The difference between this kind of material and more famous “Bronze” type is the volume of oil impregnation, that in this case is 25% ÷ 33% Standard Sint A00 DIN 30910. This material is more suitable in application with high load and low sliding speed.

Operating Conditions

Dry

Oil

Grease

Water

Process fluid

GoodGoodFairInadvisableInadvisable
  • Dry Self-lubricating
  • High load capacity
  • Easy to assembly
  • Minimum overall dimensions
  • Standard items widely available
  • Special items on demand
  • Wide range of operating temperature
  • Minimized wear and good service life
  •  
ElementCuFeMoCOther
Min1,0%Rest1,0%0,3%2,0%
Max3,0%Rest2,0%0,7%2,0%
Maximum Specific Load Static40 N/mm2
Maximum Specific Load Dynamic10 N/mm2
Maximum Sliding Speed4 m/s (790 fpm)
Friction Factor0,08 ÷ 0,12
Service Temperature Minimum-20°C (-4°F)
Service Temperature Maximum+100°C (+212°F)
Shaft Roughness (Suggested)≤0,2 Ra
Shaft Hardness (Suggested)>350 Hb
Density Min.5,6 g/cm3
Density Max.6,0 g/cm3
Porosity Min.22,5 % Vpor/Vtot
Porosity Max.27,5 % Vpor/Vtot
Hardness Min.30 HB
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