Copper Alloy C95300-M01
Finish state · default condition
UNS C95300
M01 = as sand cast
Standard stocked condition for gears, bushings and valve parts where 450 MPa UTS and high ductility are sufficient.
Values for the M01 condition
Other C95300 tempers and conditions
C95300 is listed in 3 conditions; see the grade overview at C95300.
Compare all 3 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
M01DefaultThis page As sand cast | Standard stocked condition for gears, bushings and valve parts where 450 MPa UTS and high ductility are sufficient. | 170 | 450 | 25 | 110 HB | 13 % IACS |
As continuous cast | Pick for round bar, sleeves and thick-wall bushing stock: denser, finer structure gives modestly higher strength and hardness than sand castings. | 195 | 480 | 22 | 120 HB | — |
quench hardened and temper annealed | Choose when higher strength, hardness and wear resistance are required for heavily loaded gears, worm wheels and bearing surfaces; ductility and impact toughness drop. | 330 | 620 | 15 | 190 HB | 13 % IACS |
What is C95300-M01?
C95300-M01 is C95300 supplied in the M01 condition — standard stocked condition for gears, bushings and valve parts where 450 MPa UTS and high ductility are sufficient. C95300-M01 has a yield strength of 170 MPa (24.7 ksi) and a tensile strength of 450 MPa (65.3 ksi) — weaker than 62% of copper alloy grades. Elongation at break is 25% and the elastic modulus is 110 GPa (16 Msi). C95300-M01 has a density of 7.53 g/cm³ (0.272 lb/in³), lighter than 96% of copper alloy grades. It melts at 1,040°C (1,904 °F).
Advantages
- Lightweight — 7.53 g/cm³ (0.272 lb/in³), better than 96% of copper alloy grades
- High service temperature — 300°C (572 °F), better than 85% of copper alloy grades
- Readily welded — 70/100, better than 85% of copper alloy grades
- Good corrosion resistance — 72/100, better than 84% of copper alloy grades
Limitations
- Limited formability — 15/100, worse than 79% of copper alloy grades
C95300-M01 properties
Typical room-temperature values for C95300-M01; 17 are specific to this condition. Other listed values are C95300 reference data and may not represent this condition. Bars are the position among copper alloy grades.
Physical3
C95300-M01 has a density of 7.53 g/cm³ (0.272 lb/in³), lighter than 96% of copper alloy grades. It melts at 1,040°C (1,904 °F).
Mechanical14
C95300-M01 has a yield strength of 170 MPa (24.7 ksi) and a tensile strength of 450 MPa (65.3 ksi) — weaker than 62% of copper alloy grades. Elongation at break is 25% and the elastic modulus is 110 GPa (16 Msi).
Thermal6
C95300-M01 is rated for continuous service to 300°C (572 °F). It conducts heat at 58.6 W/m·K (33.9 BTU/hr·ft·°F), worse than 63% of copper alloy grades. Thermal expansion is 16.2 µm/m·K (9 µin/in·°F).
Electrical3
C95300-M01 conducts electricity at 13 % IACS, worse than 58% of copper alloy grades.
Chemical & Environmental3
Corrosion resistance is very good (72/100), better than 84% of copper alloy grades.
Sustainability4
Producing a kilogram of C95300-M01 takes about 50 MJ of energy and emits 3.5 kg of CO₂ — less than 89% of copper alloy grades. Typical recycled content is 60%.
Manufacturability8
C95300-M01's machinability is fair (48/100, better than 68% of copper alloy grades); weldability very good (70/100); formability poor (15/100).
Common Calculations5
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with C95300-M01
Is C95300 easy to machine?
Machines as a tough, gummy alloy — rigid setups, positive-rake carbide, moderate speeds and generous coolant; expect ~55 % of AISI 1212 rates and chip-breaking rather than free chips.
Can C95300 be welded?
Weldable by GTAW/GMAW with ERCuAl-A2 filler; remove the alumina film mechanically or with a suitable flux, preheat heavy sections lightly and avoid excessive interpass heat.
Can C95300 be formed, bent or molded?
Casting alloy only (sand, centrifugal, continuous); use bottom gating and generous filters/risers to avoid alumina dross and shrinkage in heavy sections.
What surface finishes work on C95300?
Not anodizable; take a good mechanical polish, accepts electroless nickel or chrome plating after activation, and self-passivates to a stable brown-gold patina in service.
C95300 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 |
|---|---|---|
| Al | 9 – 11 | 10 |
| Fe | 0.8 – 1.5 | 1.1 |
| CuCu + named elements 99.0 % min per ASTM B148 | ≥ 86 (balance) | — |
C95300-M01 — frequently asked
What is C95300-M01 used for?
C95300-M01 is typically used for gears, bearings and wear plates. In short: wear-resistant aluminium bronze; 300 °C service capability; weldable but gummy to cut.
What is the yield strength of C95300-M01?
C95300-M01 has a typical yield strength of 170 MPa (24.7 ksi) and a tensile strength of 450 MPa (65.3 ksi) — weaker than 62% of copper alloy grades. Strength varies by condition: see the 3 listed tempers.
Is C95300-M01 easy to machine?
Reasonably — machinability is rated fair (48/100, better than 68% of copper alloy grades). Machines as a tough, gummy alloy — rigid setups, positive-rake carbide, moderate speeds and generous coolant; expect ~55 % of AISI 1212 rates and chip-breaking rather than free chips.
Can C95300-M01 be welded?
Yes — weldability is rated very good (70/100). Weldable by GTAW/GMAW with ERCuAl-A2 filler; remove the alumina film mechanically or with a suitable flux, preheat heavy sections lightly and avoid excessive interpass heat.
What surface finishes work on C95300-M01?
Not anodizable; take a good mechanical polish, accepts electroless nickel or chrome plating after activation, and self-passivates to a stable brown-gold patina in service.
Can C95300-M01 be formed, bent or molded?
Casting alloy only (sand, centrifugal, continuous); use bottom gating and generous filters/risers to avoid alumina dross and shrinkage in heavy sections.
What is the maximum service temperature of C95300-M01?
C95300-M01 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 C95300-M01 and C95300-TQ50?
M01 is the default condition — standard stocked condition for gears, bushings and valve parts where 450 MPa UTS and high ductility are sufficient. TQ50: choose when higher strength, hardness and wear resistance are required for heavily loaded gears, worm wheels and bearing surfaces; ductility and impact toughness drop. Yield strength is 170 MPa in M01 versus 330 MPa in TQ50.
Sources
- ASTM B148 — Standard Specification for Aluminum-Bronze Sand Castings — ASTM International (2019)
- Copper Alloy C95300 alloy datasheet (properties, machinability, conductivity) — Copper Development Association (copper.org) (2023)
- ASM Handbook Vol. 2 — Properties and Selection: Nonferrous Alloys and Special-Purpose Materials — ASM International (1990)
- GB/T 1176 (ZCuAl10Fe3 equivalent) — SAC / (2013)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.