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SINT-A22 Iron Copper-Carbon Sintered Powder Metallurgy Bearing and Components

Standard: DIN 30910
Code: SINT-A22
Type: Iron Copper-Carbon
Products: Self-Lubricated Bearing & Parts
Product description: SINT-A22 iron copper-carbon sintered powder metallurgy bearing and parts meet DIN 30910 requirements for high-performance applications. These self-lubricating, oil-impregnated components excel in elec
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SINT-A22 Sinterstahl höher Cu- und C-haltig (High-Copper-Carbon Sintered Steel)

SINT-A22 is a low-density high-copper-carbon sintered steel bearing material per DIN 30910-3. Carbon present predominantly as free graphite provides additional solid lubrication for boundary lubrication conditions.

Chemical Composition (per DIN 30910-3 (Sintered Metals for Bearings))

Element	Content
Fe	Rest (Balance)
C	0.5–2.0%
Cu	15–25%
Other	< 2%

Properties (per DIN 30910-3 (Sintered Metals for Bearings))

Property	Value
Density	5.5–6.0 g/cm³
Porosity	25 ± 2.5%
Radial Crushing Strength K	> 120 N/mm²
Hardness HB	> 20
Thermal Conductivity	30 W/mK

Comparable Standards: MPIF FC-0808-K17. Radial crushing strength K is measured on calibrated bearings Ø 10/16 × 10. Oil content is minimum 90% of open porosity.

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