Spring Cu Alloy · Phosphor Bronze
Copper Alloy C52100
Copper Alloy C52100 is a spring copper alloy — high-strength phosphor bronze. Typical values: 420 MPa yield, 8.8 g/cm³, rated to 200 °C. Available for CNC machining, Sheet metal at FabDigit.
Properties
Typical room-temperature values for the default supply condition. Metric first, imperial in gray. The bars show where C52100 sits against the other 36 copper alloy grades in the catalog.
Datasheet
| Yield strength | 420 MPa61 ksi |
|---|---|
| Tensile strength | 525 MPa76 ksi |
| Hardness | 90 HRB≈ 185 HB |
| Density | 8.8 g/cm³0.318 lb/in³ |
| Specific strength (yield ÷ density) | 48 |
| Min service temp | -200 °C-328 °F |
| Max service temp | 200 °C392 °F |
| Electrical conductivity | 9.5 % IACS5.5 MS/m |
| Machinability | Fair50 / 100 |
| Weldability | Good62 / 100 |
| Formability | Very good70 / 100 |
| ISO 513 machining group | N |
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Against other copper alloy grades
Strength versus weight in the copper alloy family
Yield strength against density for every copper alloy grade FabDigit runs. C52100 is highlighted; hover a dot for its name, or open the interactive family chart.
Manufacturability
The process limits FabDigit's quote engine applies to C52100. Design inside these and the part quotes instantly; outside them it routes to an engineer.
CNC machining
| Machinability | Better50 / 100 |
|---|---|
| ISO material group | N.5 |
| Cutting speed (rough / finish) | 175 / 215 m/min |
| Minimum wall | 0.8 mm |
| Minimum internal radius | 1 mm |
| Drill depth limit | 6× diameter |
| Best surface (machined / polished) | Ra 1.6 / — |
| Hardenable after machining | No |
Sheet metal
| Formability | Better70 / 100 |
|---|---|
| Weldability | Better62 / 100 |
| Bendable | Yes |
Surface finishes for C52100
Coatings and treatments compatible with copper alloy on the processes C52100 runs on. Pick them in the quote configurator or call them out on the drawing.
Passivation
- Electropolishing
Plating
- Chrome Plating
- Copper Plating
- Electroless Nickel (EN)
- Gold Plating
- Nickel Plating
- Silver Plating
- Tin Plating
Organic Coating
- Painting
Marking / Decoration
- Chemical Etching
- Dot Peen Marking
- Electro-chemical Etching
- Embossing / Debossing
- Ink Stamping
- Laser Marking
- Mechanical Engraving
- Steel Stamping
- Vibro Engraving / Scribing
Equivalent designations
Standards and trade names that resolve to Copper Alloy C52100 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- EN / DIN / Werkstoff-Nr.
- CuSn8CW453K2.1030
- Also called
- Phosphor BronzePhosphor Bronze 8%C
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.