Copper Alloy C95600
UNS C95600
C95600 is a silicon-modified aluminum bronze casting alloy in which silicon replaces the iron additions of standard aluminum bronzes to improve fluidity and cutting behaviour.
Reference datasheet — C95600 is not in the instant-quote catalog. Upload your part and an engineer will quote it in this grade or suggest the closest stocked equivalent.
Values for the M01 condition
C95600 tempers and conditions
C95600 is supplied in 4 conditions, soft to hard. M01 is the default FabDigit quotes; the values on this page are for it.
Compare all 4 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
M01Default As sand cast | Standard commercial condition for pump housings, valve bodies and marine fittings poured in sand moulds. | 193 | 414 | 18 | 140 HB | 7.5 % IACS |
As centrifugally cast | Choose for rings, sleeves, bushings and flanges where the finer chilled structure gives slightly higher strength and soundness. | 207 | 448 | 16 | 145 HB | 7.5 % IACS |
As continuous cast | Continuous-cast bar and tube for machined valve stems, bushings and marine hardware bought as stock shapes. | 214 | 448 | 15 | 150 HB | 7.5 % IACS |
Quench hardened and tempered | Rarely supplied for this alloy; specify only when a foundry offers a heat-treated variant for higher strength and hardness. | 240 | 480 | 12 | 165 HB | 7.5 % IACS |
What is C95600?
C95600 is a silicon-modified aluminum bronze casting alloy in which silicon replaces the iron additions of standard aluminum bronzes to improve fluidity and cutting behaviour. Typical properties are 193 MPa yield, 414 MPa tensile, 18% elongation and 140 HB, with a machinability rating of 55, and it is poured as sand, continuous or centrifugal castings and can also be supplied heat-treated (TQ50). Strength is well below C95410 or C95520, electrical conductivity is 7.5% IACS and maximum service temperature is about 300 °C; move to C95410 when higher strength or hardness is required. C95600 has a density of 7.53 g/cm³ (0.272 lb/in³), lighter than 96% of copper alloy grades. It melts at 980°C (1,796 °F). C95600 has a yield strength of 193 MPa (28 ksi) and a tensile strength of 414 MPa (60 ksi) — weaker than 56% of copper alloy grades. Elongation at break is 18% and the elastic modulus is 117 GPa (17 Msi).
What is C95600 used for?
- Valve bodies
- Marine hardware
- Corrosion-resistant fittings
Advantages
- Lightweight — 7.53 g/cm³ (0.272 lb/in³), better than 96% of copper alloy grades
- Low embodied carbon — 3.2 kg CO₂/kg, better than 92% of copper alloy grades
- Good corrosion resistance — 74/100, better than 88% of copper alloy grades
- High service temperature — 300°C (572 °F), better than 85% of copper alloy grades
- Readily welded — 60/100, better than 76% of copper alloy grades
Limitations
- Low electrical conductivity — 7.5 % IACS, worse than 84% of copper alloy grades
- Poor heat conductor — 45 W/m·K (26 BTU/hr·ft·°F), worse than 76% of copper alloy grades
C95600 properties
Typical room-temperature values for C95600-M01; bars are the position among copper alloy grades.
Physical3
C95600 has a density of 7.53 g/cm³ (0.272 lb/in³), lighter than 96% of copper alloy grades. It melts at 980°C (1,796 °F).
Mechanical13
C95600 has a yield strength of 193 MPa (28 ksi) and a tensile strength of 414 MPa (60 ksi) — weaker than 56% of copper alloy grades. Elongation at break is 18% and the elastic modulus is 117 GPa (17 Msi).
Thermal6
C95600 is rated for continuous service to 300°C (572 °F). It conducts heat at 45 W/m·K (26 BTU/hr·ft·°F), worse than 76% of copper alloy grades. Thermal expansion is 16.2 µm/m·K (9 µin/in·°F).
Electrical3
C95600 conducts electricity at 7.5 % IACS, worse than 84% of copper alloy grades.
Chemical & Environmental3
Corrosion resistance is very good (74/100), better than 88% of copper alloy grades.
Sustainability4
Producing a kilogram of C95600 takes about 48 MJ of energy and emits 3.2 kg of CO₂ — less than 92% of copper alloy grades. Typical recycled content is 45%.
Manufacturability7
C95600's machinability is good (55/100, better than 71% of copper alloy grades); weldability good (60/100); formability poor (20/100).
Common Calculations5
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Strength versus weight in the copper alloy family
Yield strength against density for every copper alloy grade FabDigit runs. C95600 is highlighted; hover a dot for its name, or open the interactive family chart.
Working with C95600
Is C95600 easy to machine?
Machines noticeably better than iron-bearing aluminium bronzes — use rigid setups, positive-rake carbide, moderate speed with generous coolant to avoid work-hardening and built-up edge.
Can C95600 be welded?
GTAW/GMAW with matching aluminium-bronze filler (ERCuAl-A2) works well; remove the tenacious Al₂O₃ film, keep interpass temperature moderate and avoid high heat input to limit hot cracking.
Can C95600 be formed, bent or molded?
Foundry alloy: silicon gives good fluidity and reduced hot-tear sensitivity, but design for directional solidification with chills/risers and degas the melt; not intended for cold forming.
C95600 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| Alprimary strengthening addition | 6 – 8 | 7 |
| Siimproves fluidity and machinability | 1.8 – 3.2 | 2.5 |
| CuCu 88.0 % min per ASTM B148/B505 | ≥ 88 (balance) |
What surface finishes work on C95600?
Takes a bright mechanical polish and develops a protective brown patina; not anodizable — use passivation, lacquer, or electroless nickel/chrome plating for appearance or wear duty.
Surface treatments FabDigit runs on copper alloy parts — pick them in the quote configurator or call them out on the drawing. Each links to its datasheet in the surface-finish library (thickness, specs, call-out, material verdicts).
How much does C95600 cost?
C95600 is a high-cost copper alloy ($$$$), pricier than about 78% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
C95600 — frequently asked
What is C95600 used for?
C95600 is typically used for valve bodies, marine hardware and corrosion-resistant fittings. In short: easiest-machining aluminum bronze; silicon improves castability; good seawater corrosion resistance.
What is the yield strength of C95600?
C95600 has a typical yield strength of 193 MPa (28 ksi) and a tensile strength of 414 MPa (60 ksi) — weaker than 56% of copper alloy grades. Strength varies by condition: see the 4 listed tempers.
Is C95600 easy to machine?
Reasonably — machinability is rated good (55/100, better than 71% of copper alloy grades). Machines noticeably better than iron-bearing aluminium bronzes — use rigid setups, positive-rake carbide, moderate speed with generous coolant to avoid work-hardening and built-up edge.
Can C95600 be welded?
Yes — weldability is rated good (60/100). GTAW/GMAW with matching aluminium-bronze filler (ERCuAl-A2) works well; remove the tenacious Al₂O₃ film, keep interpass temperature moderate and avoid high heat input to limit hot cracking.
What surface finishes work on C95600?
Takes a bright mechanical polish and develops a protective brown patina; not anodizable — use passivation, lacquer, or electroless nickel/chrome plating for appearance or wear duty.
Can C95600 be formed, bent or molded?
Foundry alloy: silicon gives good fluidity and reduced hot-tear sensitivity, but design for directional solidification with chills/risers and degas the melt; not intended for cold forming.
What is the maximum service temperature of C95600?
C95600 is rated for continuous use to about 300°C (572 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between C95600-M01 and C95600-TQ50?
M01 is the default condition — standard commercial condition for pump housings, valve bodies and marine fittings poured in sand moulds. TQ50: rarely supplied for this alloy; specify only when a foundry offers a heat-treated variant for higher strength and hardness. Yield strength is 193 MPa in M01 versus 240 MPa in TQ50.
How much does C95600 cost?
C95600 is a high-cost copper alloy ($$$$), pricier than about 78% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Sources
- ASTM B148 — Aluminum-Bronze Sand Castings — ASTM International (2019)
- ASTM B505/B505M — Copper Alloy Continuous Castings — ASTM International (2018)
- CDA Alloy Datasheet C95600 — Copper Development Association (copper.org) (2023)
- ASM Handbook Vol.2 — Properties of Nonferrous Alloys — ASM International (1990)
- ASM Handbook Vol.13B — Corrosion: Materials — ASM International (2005)
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.