Introduction
C94700 is a tin bronze sand-casting grade covered by ASTM B584. Typical applications include shift forks, wear guides and valve components.
| Field | Value |
|---|---|
| Designation | C94700 |
| Material Type | Bronze |
| Sub Type | Tin Bronze |
| Product Form | casting |
Manufacturing Process
Sand Casting
Equivalent Materials
N/A
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| ASTM B584 | Standard Specification for Copper Alloy Sand Castings for General Applications | 14 | C94700 | UNS C94700, source_designation nickel-tin bronze Grade A |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | ASTM B584Edition 14 · wt.% |
|---|---|
| Cu | 85.0–90.0 |
| Zn | 1.0–2.5 |
| Sn | 4.5–6.0 |
| Pb | ≤ 0.09[1] |
| Fe | ≤ 0.25 |
| Al | ≤ 0.005 |
| Mn | ≤ 0.20 |
| Si | ≤ 0.005 |
| P | ≤ 0.05 |
| Sb | ≤ 0.15 |
| S | ≤ 0.05 |
| Ni+Co | 4.5–6.0[2] |
Notes
ASTM B584 · Edition 14
[1] Pb: It is possible that mechanical requirements of C94700 heat treated will not be obtained if lead exceeds 0.01 %. This warning is not a replacement Pb maximum.
[2] Ni+Co: Nickel including cobalt; combined limit
Heat Treatment
ASTM B584–14 · HT
Notes
ASTM B584 · Edition 14
[1] HT: Suggested Heat Treatments,; actual practice may vary by manufacturer, 6.1; {"temperature_C_min": "775", "temperature_C_max": "800"}
[2] HT: Suggested Heat Treatments,; actual practice may vary by manufacturer, 6.1; {"temperature_C_min": "305", "temperature_C_max": "325"}
Mechanical Properties
Core Mechanical Properties
Conditions are not identical. Compare each stated condition and applicability separately.
Notes
ASTM B584 · Edition 14
[1] Tensile Strength: inch-pound
[2] Yield Strength: inch-pound; 0.5% extension under load
Welding Conditions
N/A
Applications
Tin bronze ASTM B584 C94700 is used for shift forks, wear guides and valve components. Copper-alloy technical guidance identifies these as applications where wear behavior and corrosion compatibility matter alongside the required strength. Other cast components used in this material family include gears, bushings, pump bodies and impellers.
Applications include power-transmission machinery, industrial fluid-handling equipment and selected marine systems. Loading, lubrication and the actual process medium remain relevant; a steam-equipment example does not establish a general pressure or temperature rating.
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