C46200
C46200, commonly known as naval brass, finds its frequent application across a diverse spectrum of marine and subsea contexts. This brass alloy is recognized for its remarkable combination of strength and corrosion resistance, showcasing noteworthy property retention even at cryogenic temperatures. Notably, it possesses exceptional hot formability and boasts a highly commendable level of corrosion resistance.
CHEMICAL COMPOSITION
| Elements | Min (%) | Max (%) |
| Cu | 62.00 | 65.00 |
| Pb | – | 0.20 |
| Sn | 0.50 | 1.00 |
| Fe | – | 0.10 |
| Total Others | – | 0.40 |
| Zn | Remainder | |
MECHANICAL PROPERTIES ACCORDING TO ASTM B21 (AS PER TEMPER HO2)
| Range (Inch) | From | To | UTS Min (ksi) | PS Min (ksi) | Elongation Min (%) | Hardness Min | Hardness Max |
| Round (Dia) | 0.059 | 0.500 | 58 | 27 | 22 | – | – |
| 0.500 | 1.000 | 56 | 27 | 25 | – | – | |
| 1.000 | 2.000 | 54 | 26 | 25 | – | – | |
| 2.000 | 2.953 | 52 | 25 | 27 | – | – | |
| Hex (A/F) | 0.118 | 0.500 | 58 | 27 | 22 | – | – |
| 0.500 | 1.000 | 56 | 27 | 25 | – | – | |
| 1.000 | 2.000 | 54 | 26 | 25 | – | – | |
| 2.000 | 2.756 | 52 | 25 | 27 | – | – | |
| Square (A/F) | 0.118 | 0.500 | 58 | 27 | 22 | – | – |
| 0.500 | 1.000 | 56 | 27 | 25 | – | – | |
| 1.000 | 2.000 | 54 | 26 | 25 | – | – | |
| 2.000 | 2.362 | 52 | 25 | 27 | – | – | |
| Rectangle (Thickness) | 0.500 | 1.000 | 56 | 27 | 25 | – | – |
| 1.000 | 2.000 | 54 | 26 | 25 | – | – |
| Range (mm) | From | To | UTS Min (MPa) | PS Min (MPa) | Elongation Min | Hardness Min | Hardness Max |
| Round (Dia) | 3 | 12 | 400 | 185 | 22 | – | – |
| 12 | 25 | 385 | 185 | 25 | – | – | |
| 25 | 50 | 370 | 180 | 25 | – | – | |
| 50 | 75 | 360 | 170 | 27 | – | – | |
| Hex (A/F) | 12 | 25 | 385 | 185 | 25 | – | – |
| 25 | 50 | 370 | 180 | 25 | – | – | |
| 50 | 65 | 360 | 170 | 27 | – | – | |
| Square (A/F) | 3 | 12 | 400 | 185 | 22 | – | – |
| 12 | 25 | 385 | 185 | 25 | – | – | |
| 25 | 50 | 370 | 180 | 25 | – | – | |
| 50 | 60 | 360 | 170 | 27 | – | – | |
| Rectangle (Thickness) | 3 | 12 | 400 | 185 | 22 | – | – |
| 12 | 25 | 385 | 185 | 25 | – | – | |
| 25 | 50 | 370 | 180 | 25 | – | – |
| PHYSICAL PROPERTIES | |
| Melting Points – Liquidus 0F | 1650 |
| Melting Points – Solidus 0F | 1630 |
| Density lb/cu in. at 68 0F | 0.304 |
| Specific Gravity | 8.41 |
| Electrical Conductivity % IACS at 68 0F | 26 |
| Thermal conductivity Btu/ Sq ft / ft hr / 0F at 680F | 67 |
| Coefficient of Thermal Expansion 68-57210 -6 Per 0F (68-5720F) | 11.8 |
| Specific Heat capacity Btu/ lb /0F at 680F | 0.09 |
| Modulus of Elasticity in Tension ksi | 15000 |
| Modulus of Rigidity ksi | 5600 |
| FABRICATION PROPERTIES | |
| Technique | Suitability |
| Capacity for being Cold Worked | Fair |
| Hot Worked | Excellent |
| Machinability Rating | 30% |
| Forgeability Rating | 90% |
| Silver Alloy Brazing | Excellent |
| Soft Soldering | Excellent |
| Oxyacetylene Welding | Good |
