Tin Bronze Alloy C92200 Navy M
Copper Alloy No. C92200
Navy M Bronze CDA 922 , SAE 622 Steam Bronze , 88-6-2-4
ASTM B 505 , ASTM B 271
Chemical Composition % by weight
Navy M Bronze CDA 922 , SAE 622 Steam Bronze , 88-6-2-4
ASTM B 505 , ASTM B 271
Chemical Composition % by weight
Element | Nominal | Minimum | Maximum |
Aluminum | - | - | .005 |
Antimony | - | - | .25 |
Copper | 88 | 86 | 90 |
Iron | - | - | .25 |
Lead | 1.5 | 1 | 2 |
Nickel | - | - | 1 |
Phosphorus | - | - | .05 |
Silicon | - | - | .005 |
Sulfur | - | - | .05 |
Tin | 6 | 5.5 | 6.5 |
Zinc | 4.5 | 3 | 5 |
Applications
Valves, fittings, pressure containing parts for use up to 550 F.
Mechanical Properties
M07 - As Continuous Cast
Hardness* | Brinell Hardness (500 kg load) | 65 |
Tensile Strength** | KSI | 38 min |
Yield Strength ** | KSI (0.5% Ext. under load) | 25 min |
Elongation** | % in 2 inch | 18 min |
**Test values are nominal approximations and depend on specimen size and orientation.
Physical Properties
Thermal Conductivity | BTU/ (sq ft-ft-hr-F) | 40.2 |
Specific Heat | BTU/lb/ºF @ 68F | .09 |
Thermal Expansion | Per °F from 68 F to 572 F | .000010 |
Density | lb/cu in @ 68 F | .312 |
Electrical Conductivity* (Annealed) | % IACS @ 68 F | 14.3 |
Modulus of Elasticity | KSI | 14,000 |
*Volume basis
Fabrication Practices
Stress relieving temperature | 500 F or 260 C |
Time at temperature | 1 hour per inch of section thickness |
Responds to heat treatment | No |
Machinability rating (Free Cutting Brass=100) | 42 |
Suitability for being joined by: | Soldering/Excellent |
Brazing/Excellent* | |
Oxyacetylene Welding/Fair | |
Gas Shielded Arc Welding/Fair | |
Coated Metal Arc Welding/Fair |