Introduction
C94700 is a tin bronze sand-casting grade specified in ASTM B584. The standard specifies composition and applicable mechanical requirements for general applications. Casting process options include Sand Casting, subject to the applicable specification and component requirements.
| Field | Value |
|---|---|
| Designation | C94700 |
| Material Type | Bronze |
| Sub Type | Tin Bronze |
| Product Form | casting |
Manufacturing Process
Sand Casting
Equivalent Grades
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 |
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.
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
Conditions are not identical. Compare each stated condition and applicability separately.
| Property | ASTM B584Edition 14HT[1] | ASTM B584Edition 14base[2] |
|---|---|---|
| Elongation | ≥ 5 % | ≥ 25 % |
| Tensile Strength | ≥ 75 ksi / 517 MPa (reference)[3] | ≥ 45 ksi / 310 MPa (reference)[4] |
| Yield Strength | ≥ 50 ksi / 345 MPa (reference)[5] | ≥ 20 ksi / 138 MPa (reference)[6] |
Notes
ASTM B584 · Edition 14
[1] All properties in this column; HT: separately cast test bar; 2 in. or 50 mm; 8.1
[2] All properties in this column; base: separately cast test bar; 2 in. or 50 mm; 8.1
[3] Tensile Strength; HT: inch-pound
[4] Tensile Strength; base: inch-pound
[5] Yield Strength; HT: inch-pound; 0.5% extension under load
[6] Yield Strength; base: inch-pound; 0.5% extension under load
Welding Conditions
N/A
Applications
At the material-family level, typical applications include custom tin bronze sand-cast components for general industrial use. Selection for a particular application depends on the specified alloy and component requirements.
Last Updated: October 13, 2026