CuSn8 Phosphor Bronze
CuSn8
- ENCW453K
- ENCuSn8
- DIN2.1030
- UNSC52100
Phosphorus-deoxidised 8 % tin bronze. High elasticity, fatigue resistance and wear resistance; the classic material for springs and sliding bearings.
01Material Properties
- High elasticity and fatigue resistance
- Good wear and sliding properties
- Good corrosion resistance (including seawater)
- Non-magnetic, non-sparking
- Hardens by cold working
02Applications
- Springs and spring contacts
- Bushings and sliding bearings
- Gears and worm wheels
- Diaphragms and bellows
- Fasteners for marine applications
03Delivery Condition
- Rod (R≥ 420 MPa) and strip; hardness according to temper.
04Heat Treatment
Typical values
- Hardening
- Not hardenable by heat treatment; strength by temper (cold work)
- Homogenising / softening
- 500–675 °C; air cool
- Stress relieving
- 200–300 °C, 1–2 h
- Delivery condition
- Cast or drawn; hardness according to temper
Heat treatment cycle (schematic)
Values are approximate and for information only; they vary with section size, heat and furnace conditions. Binding values are determined from the manufacturer’s data under laboratory conditions.
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