C90300 Tin Bronze
ASTM B30, ASTM B271/B271M, ASTM B505, ASTM B584,ASTM B 763/B736M, SAE J461, SAE J463, SAE 620, MILC-11866, UNS C90300
Farmers Copper Ltd. keeps a regular stock of Tin Bronze 903 in solid rod form. C90300 offers good mechanical and corrosion resistance; it is often used in castings for liquid and gas, not to mention valves and pumps. Copper Alloy 903 can be excellently soldered while offering good brazing. C903 holds a characteristic of high wear resistance, which has made it a common alloy to many usages.
C90300 Tin Bronze Sizing
- Solid Bar (1” dia to 6”)
C90300 Tin Bronze Applications
-
Seal rings
-
Bushings
-
Bearings
-
Valve Components
-
Building
-
Fasteners
-
Industrial
-
Plumbing
Industries
Farmer’s Copper Ltd. extends its services throughout many industries. We provide the raw copper alloy materials in various standard shapes as well as custom cut copper alloys.
Explore Other Alloys
Jump directly to the page you are looking for by entering a query below.
Suggested Searches:
If you need alloys, we're all you need.
Our C90300 Tin Bronze Inventory & Properties
Farmer’s diverse inventory of products and services offered provides our customers the largest and most extensive selection of alloys available, cut to precise specifications, and delivered with total quality control.
Chemical Composition
| Cu(1,2) | Pb | Sn | Zn | Fe | P(3) | Ni(4) | Al | S | Sb | Si | |
| Min (%) | 86.0 | 7.5 | 3.0 | ||||||||
| Max (%) | 89.0 | 0.30 | 9.0 | 5.0 | 0.20 | 0.05 | 1.0 | 0.005 | 0.05 | 0.20 | 0.005 |
Physical Properties
| Melting Point - Liquidus°F | 1832 |
| Melting Point - Solidus°F | 1570 |
| Densitylb/cu in. at 68°F | 0.318 |
| Specific Gravity | 8.8 |
| Electrical Conductivity% IACS at 68°F | 12 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 43.2 |
| Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F) | 10 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tensionksi | 14000 |
| Magnetic Permeability | 1 |
Fabrication Properties
| Technique | Suitability | Footnote |
| Soldering | Excellent | |
| Brazing | Good | Since brazing is performed in the hot short range, strain must be avoided during brazing and cooling. |
| Oxyacetylene Welding | Fair | |
| Gas Shielded Arc Welding | Fair | |
| Coated Metal Arc Welding | Fair | |
| Machinability Rating | 30 |
Mechanical Properties
| Form | Temper | Temper Code | Tensile Strength (ksi) | YS-0.5% Ext (ksi) | Elongation (%) | Brinell Hardness, 500 kg load | Izod (ft-lbs) | Charpy V-Notch Impact Strength (ft-lbs) | Compressive Strength .001 in. set/in. (ksi) |
| As Centrifugal Cast | As Centrifugal Cast | M02 | 40 Min for Standard 40 Min for Standard 45 Typ | 18 Min for Standard 18 Min for Standard 21 Typ | 20 Min for Standard 20 Min for Standard 30 Typ | 70 Typ | 14 Typ | 13 Typ | |
| As Continuous Cas | As Continuous Cast | M07 | 44 Min for Standard 44 Min for Standard | 22 Min for Standard 22 Min for Standard | 18 Min for Standard 18 Min for Standard | ||||
| As Sand Cast | As Sand Cast | M01 | 40 Min for Standard 40 Min for Standard 45 Typ | 18 Min for Standard 18 Min for Standard 21 Typ | 20 Min for Standard 20 Min for Standard 30 Typ | 70 Typ | 14 Typ | 14 Typ | 13 Typ |
Our Commitment to Service
As a leading copper, brass, & bronze alloys supplier, Farmers Copper Ltd. attributes our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.