Copper Alloy C92610-M02
Heat-treated state
UNS C92610
M02 = as centrifugally cast
Pick for sleeves, bushings and rings where the denser, more directionally solidified structure gives higher strength and soundness.
Values for the M02 condition
Other C92610 tempers and conditions
C92610 is listed in 4 conditions; see the grade overview at C92610.
Compare all 4 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
M01Default As sand cast | Standard as-cast condition for bearings, bushings, pump and valve components produced in sand moulds. | 145 | 275 | 22 | 70 HB | 11.5 % IACS |
M02This page As centrifugally cast | Pick for sleeves, bushings and rings where the denser, more directionally solidified structure gives higher strength and soundness. | 155 | 300 | 20 | 75 HB | 11.5 % IACS |
As plaster cast | Use for medium-volume small parts needing finer grain, tighter dimensions and slightly higher strength than sand casting. | 155 | 295 | 18 | 75 HB | 11.5 % IACS |
As continuous cast | Best choice for stock bar/tube to be machined into bushings — dense, porosity-free structure with the highest strength and hardness of the cast conditions. | 165 | 310 | 18 | 80 HB | 11.5 % IACS |
What is C92610-M02?
C92610-M02 is C92610 heat treated to M02 — pick for sleeves, bushings and rings where the denser, more directionally solidified structure gives higher strength and soundness. C92610-M02 has a yield strength of 155 MPa (22.5 ksi) and a tensile strength of 300 MPa (43.5 ksi) — weaker than 65% of copper alloy grades. Elongation at break is 20% and the elastic modulus is 100 GPa (14.5 Msi). C92610-M02 has a density of 8.8 g/cm³ (0.318 lb/in³), heavier than 58% of copper alloy grades. It melts at 855°C (1,571 °F). M01 is the default condition FabDigit quotes; M02 is available on request or by drawing note.
Advantages
- Easy to machine — 80/100, better than 86% of copper alloy grades
- High service temperature — 260°C (500 °F), better than 75% of copper alloy grades
Limitations
- Hard to polish — 60/100, worse than 92% of copper alloy grades
- Limited formability — 10/100, worse than 89% of copper alloy grades
- Low stiffness — 100 GPa (14.5 Msi), worse than 82% of copper alloy grades
- Difficult to weld — 25/100, worse than 78% of copper alloy grades
C92610-M02 properties
Typical room-temperature values for C92610-M02; 21 are specific to this condition. Other listed values are C92610 reference data and may not represent this condition. Bars are the position among copper alloy grades.
Physical3
C92610-M02 has a density of 8.8 g/cm³ (0.318 lb/in³), heavier than 58% of copper alloy grades. It melts at 855°C (1,571 °F).
Mechanical15
C92610-M02 has a yield strength of 155 MPa (22.5 ksi) and a tensile strength of 300 MPa (43.5 ksi) — weaker than 65% of copper alloy grades. Elongation at break is 20% and the elastic modulus is 100 GPa (14.5 Msi).
Thermal6
C92610-M02 is rated for continuous service to 260°C (500 °F). It conducts heat at 48 W/m·K (27.7 BTU/hr·ft·°F), worse than 67% of copper alloy grades. Thermal expansion is 18 µm/m·K (10 µin/in·°F).
Electrical3
C92610-M02 conducts electricity at 11.5 % IACS, worse than 65% of copper alloy grades.
Chemical & Environmental3
Corrosion resistance is good (58/100), worse than 76% of copper alloy grades.
Sustainability4
Producing a kilogram of C92610-M02 takes about 58 MJ of energy and emits 4.2 kg of CO₂ — more than 61% of copper alloy grades. Typical recycled content is 75%.
Manufacturability8
C92610-M02's machinability is very good (80/100, better than 86% of copper alloy grades); weldability poor (25/100); formability not recommended (10/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with C92610-M02
Is C92610 easy to machine?
Free-machining thanks to the lead phase — use sharp positive-rake carbide or HSS tools, high speed, light feed and flood coolant; chips break short.
Can C92610 be welded?
Poor fusion weldability (lead causes hot cracking and porosity); repair by brazing or by low-heat gas/TIG with matching Cu-Sn filler and preheat, or use soft solder.
Can C92610 be formed, bent or molded?
Casting alloy only — wide freezing range needs good gating, risers and chills to avoid interdendritic shrinkage; suited to sand, permanent-mould, centrifugal and continuous casting.
What surface finishes work on C92610?
Takes tin, nickel or chrome plating well after careful degreasing; chemical patina or lacquer for decorative parts; polishing limited by lead smearing.
C92610 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 |
|---|---|---|
| CuCu + named elements ≥ 99.3% typical for C92xxx | 80 – 85 | 83 |
| Snprimary strengthening / anti-friction element | 9.5 – 10.5 | 10 |
| Pbfree-machining and bearing lubricity phase | 4 – 6 | 5 |
| Zndeoxidiser / fluidity | 2 – 5 | 3 |
| Niincidental, counted with Cu | ≤ 1 | — |
| Fe | ≤ 0.25 | — |
| Sb | ≤ 0.25 | — |
| S | ≤ 0.05 | — |
| P | ≤ 0.05 | — |
| Al | ≤ 0.01 | — |
| Si | ≤ 0.01 | — |
C92610-M02 — frequently asked
What is C92610-M02 used for?
C92610-M02 is typically used for bearings, bushings and fittings. In short: free-machining bearing bronze; higher tin for strength; continuous-cast bar availability.
What is the yield strength of C92610-M02?
C92610-M02 has a typical yield strength of 155 MPa (22.5 ksi) and a tensile strength of 300 MPa (43.5 ksi) — weaker than 65% of copper alloy grades. Strength varies by condition: see the 4 listed tempers.
Is C92610-M02 easy to machine?
Yes — machinability is rated very good (80/100, better than 86% of copper alloy grades). Free-machining thanks to the lead phase — use sharp positive-rake carbide or HSS tools, high speed, light feed and flood coolant; chips break short.
Can C92610-M02 be welded?
Not readily — weldability is rated poor (25/100). Poor fusion weldability (lead causes hot cracking and porosity); repair by brazing or by low-heat gas/TIG with matching Cu-Sn filler and preheat, or use soft solder.
What surface finishes work on C92610-M02?
Takes tin, nickel or chrome plating well after careful degreasing; chemical patina or lacquer for decorative parts; polishing limited by lead smearing.
Can C92610-M02 be formed, bent or molded?
Casting alloy only — wide freezing range needs good gating, risers and chills to avoid interdendritic shrinkage; suited to sand, permanent-mould, centrifugal and continuous casting.
What is the maximum service temperature of C92610-M02?
C92610-M02 is rated for continuous use to about 260°C (500 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between C92610-M01 and C92610-M07?
M01 is the default condition — standard as-cast condition for bearings, bushings, pump and valve components produced in sand moulds. M07: best choice for stock bar/tube to be machined into bushings — dense, porosity-free structure with the highest strength and hardness of the cast conditions. Yield strength is 145 MPa in M01 versus 165 MPa in M07.
Sources
- ASTM B505/B505M — Copper Alloy Continuous Castings — ASTM International (2018)
- ASTM B584 — Copper Alloy Sand Castings for General Applications — ASTM International (2022)
- CDA Unified Numbering System alloy datasheets (C92xxx leaded tin bronzes) — Copper Development Association (2023)
- ASM Handbook Vol. 2 — Properties and Selection: Nonferrous Alloys — ASM International (1990)
- GB/T 1176 (ZCuSn10Pb5 comparison) — 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.