With a commitment to innovation and advanced manufacturing techniques, we offer a diverse range of rods & pipe tube that meet the unique requirements of our customers and deliver exceptional performance in various applications.
C46500
C46500
UNS C46500 (standardized under ASTM B21 / ASTM B171 and ASME SB171) is an arsenical naval brass engineered specifically for marine, offshore, and brackish water environments. It builds upon traditional 60/40 naval brass by combining 0.5%–1.0% tin with a controlled micro-addition of arsenic (0.02%–0.06%). This alloying mechanism provides double protection against selective zinc leaching (dezincification), offering higher corrosion resistance in hot, stagnant, or highly chlorinated saline waters while retaining high tensile strength and hot-forgeability.
Chemical Composition
Elements | Min (%) | Max (%) |
Cu | 59.00 | 62.00 |
Pb | – | 0.20 |
Sn | 0.5 | 1.00 |
Fe | – | 0.10 |
As | 0.02 | 0.10 |
Total Others | – | – |
Zn | Remainder | |
Mechanical Properties According To SAE 463 (As Per Temper 1/4)
Range (mm) |
From |
To |
UTS Min (MPa) |
PS Min (MPa) |
Elongation Min (%) |
Hardness Min (HRB) |
Hardness Max (HRB) |
| Round (Dia) | 1.5 | 12.5 | 415 | 185 | 22 | – | – |
12.5 | 25 | 415 | 185 | 25 | – | – |
|
25 | 50 | 400 | 180 | 25 | – | – |
|
50 | 75 | 270 | 170 | 25 | – | – |
|
| Hex (A/F) | 3 | 12.5 | 415 | 185 | 22 | – | – |
12.5 | 25 | 415 | 185 | 25 | – | – |
|
25 | 50 | 400 | 180 | 25 | – | – |
|
50 | 70 | 270 | 170 | 25 | – | – |
|
| Square (A/F) | 3 | 12.5 | 415 | 185 | 22 | – | – |
12.5 | 25 | 415 | 185 | 25 | – | – |
|
25 | 50 | 400 | 180 | 25 | – | – |
|
50 | 60 | 270 | 170 | 25 | – | – |
|
| Rectangle (Thickness) | 3 | 12.5 | 415 | 185 | 22 | – | – |
12.5 | 25 | 415 | 185 | 25 | – | – |
|
25 | 50 | 400 | 180 | 25 | – | – |
PHYSICAL PROPERTIES |
|
| Melting Point – Liquidus°F | 1650 |
| Melting Point – Solidus°F | 1630 |
| Density lb/cu in. at 68°F | 0.304 |
| Specific Gravity | 8.41 |
| Electrical Conductivity % IACS at 68°F | 26 |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F | 67 |
| Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) | 11.8 |
| Specific Heat Capacity Btu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tension ksi | 15000 |
| Modulus of Rigidity ksi | 5600 |
FABRICATION PROPERTIES |
|
| Technique | Suitability |
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas shielded Are Welding | Fair |
| Coated Metal Are Welding | Not Recommended |
| Spot Weld | Good |
| Seam Weld | Fair |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Fair |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 90 |
| Machinability Rating | 30 |
Need More Details
Get Latest Company Catalogue
