Copper Alloy ZCuAl10Fe3Mn2
UNS C95400
ZCuAl10Fe3Mn2 (C95400) is a manganese-modified cast aluminium bronze at roughly 10 % Al, 3 % Fe and 2 % Mn that reaches higher strength than plain aluminium bronze and can be supplied heat treated (HT) as well as sand, chill, centrifugal and continuous cast.
Reference datasheet — ZCuAl10Fe3Mn2 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 S condition
ZCuAl10Fe3Mn2 tempers and conditions
ZCuAl10Fe3Mn2 is supplied in 5 conditions, soft to hard. S is the default FabDigit quotes; the values on this page are for it.
Compare all 5 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
SDefault Sand cast | Pick this most common as-cast state for one-off or small-batch heavy-duty worm wheels, valve bodies and pump casings; 560 MPa tensile, 220 MPa yield, 18% elongation and service to 300 °C. | 220 | 560 | 18 | 130 HB | 13 % IACS |
Permanent (metal) mould cast | Choose for batch production of small parts such as bushings and gear-ring blanks; rapid cooling in the metal mould refines the structure to 600 MPa tensile, 250 MPa yield and 22% elongation. | 250 | 600 | 22 | 140 HB | 13 % IACS |
Continuously cast bar/tube | Pick stock bar and tube for direct machining of bushings, nuts and guide components; the uniform structure cuts predictably at 600 MPa tensile, 255 MPa yield and 20% elongation. | 255 | 600 | 20 | 140 HB | 13 % IACS |
Centrifugally cast | Use for bushings, cylinder liners and large-diameter worm gear rings; the dense, shrinkage-free structure gives the highest properties, 620 MPa tensile, 265 MPa yield and 145 HB, plus good pressure tightness. | 265 | 620 | 20 | 145 HB | 13 % IACS |
Quenched from ~900 °C and tempered ~650 °C | Choose when quenched from ~900 °C and tempered at ~650 °C for heavy-duty gears and die inserts needing 700 MPa tensile and 190 HB; elongation drops by about half, to 9%. | 350 | 700 | 9 | 12 HRC | 12 % IACS |
What is ZCuAl10Fe3Mn2?
ZCuAl10Fe3Mn2 (C95400) is a manganese-modified cast aluminium bronze at roughly 10 % Al, 3 % Fe and 2 % Mn that reaches higher strength than plain aluminium bronze and can be supplied heat treated (HT) as well as sand, chill, centrifugal and continuous cast. Default properties are 220 MPa yield, 560 MPa tensile, 18 % elongation and 130 HB, with service to 300 °C, which suits heavy-duty gearing, propellers and marine valve work. Ductility is lower than ZCuAl9Mn2 and welding needs preheat plus oxide removal. Where still higher strength and toughness are required, ZCuAl8Mn13Fe3Ni2 is the obvious alternative. ZCuAl10Fe3Mn2 has a density of 7.5 g/cm³ (0.271 lb/in³), lighter than 98% of copper alloy grades. It melts at 1,030°C (1,886 °F). ZCuAl10Fe3Mn2 has a yield strength of 220 MPa (31.9 ksi) and a tensile strength of 560 MPa (81.2 ksi) — weaker than 51% of copper alloy grades. Elongation at break is 18% and the elastic modulus is 110 GPa (16 Msi).
What is ZCuAl10Fe3Mn2 used for?
- heavy-duty gears
- propellers
- marine valves
- structural castings
Advantages
- Lightweight — 7.5 g/cm³ (0.271 lb/in³), better than 98% of copper alloy grades
- High service temperature — 300°C (572 °F), better than 85% of copper alloy grades
- Good corrosion resistance — 72/100, better than 84% of copper alloy grades
ZCuAl10Fe3Mn2 properties
Typical room-temperature values for ZCuAl10Fe3Mn2-S; bars are the position among copper alloy grades.
Physical3
ZCuAl10Fe3Mn2 has a density of 7.5 g/cm³ (0.271 lb/in³), lighter than 98% of copper alloy grades. It melts at 1,030°C (1,886 °F).
Mechanical16
ZCuAl10Fe3Mn2 has a yield strength of 220 MPa (31.9 ksi) and a tensile strength of 560 MPa (81.2 ksi) — weaker than 51% of copper alloy grades. Elongation at break is 18% and the elastic modulus is 110 GPa (16 Msi).
Thermal6
ZCuAl10Fe3Mn2 is rated for continuous service to 300°C (572 °F). It conducts heat at 58 W/m·K (33.5 BTU/hr·ft·°F), worse than 63% of copper alloy grades. Thermal expansion is 16.2 µm/m·K (9 µin/in·°F).
Electrical3
ZCuAl10Fe3Mn2 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 ZCuAl10Fe3Mn2 takes about 55 MJ of energy and emits 3.6 kg of CO₂ — less than 72% of copper alloy grades. Typical recycled content is 45%.
Manufacturability7
ZCuAl10Fe3Mn2's machinability is fair (40/100, better than 57% of copper alloy grades); weldability good (55/100); 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. ZCuAl10Fe3Mn2 is highlighted; hover a dot for its name, or open the interactive family chart.
Working with ZCuAl10Fe3Mn2
Is ZCuAl10Fe3Mn2 easy to machine?
Moderate machinability, about 50 % of 1212: use sharp positive-rake carbide at low to moderate speed with heavy feed, chip-breaker geometry for the continuous chips, and ample emulsion coolant to prevent built-up edge.
Can ZCuAl10Fe3Mn2 be welded?
TIG/MIG welding and weld repair with ERCuAl-A2 filler are practical with 150–250 °C preheat, removal of the alumina film and interpass temperature control. Oxyacetylene welding is not recommended; local post-weld annealing reduces residual stress.
Can ZCuAl10Fe3Mn2 be formed, bent or molded?
Castings are not cold formed. Melt under a cover flux and use bottom-gated moulds to avoid re-oxidation of the aluminium and dross entrapment; provide adequate riser feeding and gradual wall-thickness transitions.
ZCuAl10Fe3Mn2 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 | 2 – 4 | 3 |
| Mn | 1 – 2 | 1.5 |
| Znimpurity limit | ≤ 0.5 | |
| Siimpurity limit | ≤ 0.2 | |
| Snimpurity limit | ≤ 0.2 | |
| Pbimpurity limit | ≤ 0.1 | |
| Cubalance; total impurities ≤ 1.0 % | balance |
What surface finishes work on ZCuAl10Fe3Mn2?
Machines and polishes to a golden mirror finish. Electroplating is not usual; seawater parts are normally passivated or coated with antifouling paint. Cannot be anodized.
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).
Equivalent designations
Standards and trade names that resolve to Copper Alloy ZCuAl10Fe3Mn2 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- UNS
- C95400
How much does ZCuAl10Fe3Mn2 cost?
ZCuAl10Fe3Mn2 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.
ZCuAl10Fe3Mn2 — frequently asked
What is ZCuAl10Fe3Mn2 used for?
ZCuAl10Fe3Mn2 is typically used for heavy-duty gears, propellers, marine valves and structural castings. In short: stronger than plain Al-bronze; heat-treatable casting grade; heavy-duty gear bronze.
What is the yield strength of ZCuAl10Fe3Mn2?
ZCuAl10Fe3Mn2 has a typical yield strength of 220 MPa (31.9 ksi) and a tensile strength of 560 MPa (81.2 ksi) — weaker than 51% of copper alloy grades. Strength varies by condition: see the 5 listed tempers.
Is ZCuAl10Fe3Mn2 easy to machine?
Not especially — machinability is rated fair (40/100, better than 57% of copper alloy grades). Moderate machinability, about 50 % of 1212: use sharp positive-rake carbide at low to moderate speed with heavy feed, chip-breaker geometry for the continuous chips, and ample emulsion coolant to prevent built-up edge.
Can ZCuAl10Fe3Mn2 be welded?
Yes — weldability is rated good (55/100). TIG/MIG welding and weld repair with ERCuAl-A2 filler are practical with 150–250 °C preheat, removal of the alumina film and interpass temperature control. Oxyacetylene welding is not recommended; local post-weld annealing reduces residual stress.
What surface finishes work on ZCuAl10Fe3Mn2?
Machines and polishes to a golden mirror finish. Electroplating is not usual; seawater parts are normally passivated or coated with antifouling paint. Cannot be anodized.
Can ZCuAl10Fe3Mn2 be formed, bent or molded?
Castings are not cold formed. Melt under a cover flux and use bottom-gated moulds to avoid re-oxidation of the aluminium and dross entrapment; provide adequate riser feeding and gradual wall-thickness transitions.
What is the maximum service temperature of ZCuAl10Fe3Mn2?
ZCuAl10Fe3Mn2 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 ZCuAl10Fe3Mn2-S and ZCuAl10Fe3Mn2-HT?
S is the default condition — pick this most common as-cast state for one-off or small-batch heavy-duty worm wheels, valve bodies and pump casings; 560 MPa tensile, 220 MPa yield, 18% elongation and service to 300 °C. HT: choose when quenched from ~900 °C and tempered at ~650 °C for heavy-duty gears and die inserts needing 700 MPa tensile and 190 HB; elongation drops by about half, to 9%. Yield strength is 220 MPa in S versus 350 MPa in HT.
How much does ZCuAl10Fe3Mn2 cost?
ZCuAl10Fe3Mn2 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 B505/B505M — Continuous Cast Copper Alloys (C95400) — ASTM (2018)
- CDA Alloy Datasheet C95400 (aluminium bronze 9C) — Copper Development Association (2023)
- ASM Handbook Vol.2 — Properties of Copper and Copper Alloys — ASM International (1990)
- ASM Handbook Vol.13B — Corrosion of Copper Alloys — 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.