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Naval Brass Hollow Rods
The lead free Naval Brass Hollow Rods is the result of the composition of 60% copper, 39.2% zinc and 0.8% tin. The addition of tin with zinc results in the high corrosion resistance in sea water. This makes the alloy resistant to dezincification that inhibit the impingement by seawater at higher than normal temperatures. The alloy is also appreciated for its resistance to wear, fatigue, galling, and stress corrosion cracking.
Applications :-
- Builders Hardware : Lock Pins
- Electrical : Precision Shipboard Equipment
- Fasteners: Rivets, Bolts, Nuts
- Industrial:Welding Rod, Condenser Plates, Structural Uses, Valve Stems, Balls, Heat Exchanger Tube, Aircraft Turn Buckle Barrels, Bearings, Dies, Golf Ball Production, Pressure Vessels, Bearings, Bushings, Hub Cones
- Marine: Propeller Shafts, Marine Hardware, Decorative Fittings, Shafting, Propeller Shafts, Turn Buckles
- Ordinance: Missile Components
- Plumbing: Fittings: Baffle Plates And Flanges
- Plumbing: Fittings
Equivalent Specifications:
| Specifications | Designation |
| ISO | CuZn38Sn1 |
| Europen | CuZn39Sn1 |
| BS | CZ 133 |
| JIS | C 4640 |
| Russian | L060-1 |
Chemical Composition:
| Cu | Fe | Pb | Sn | Zn | |
| Min/Max | 59.0 – 62.0 | .0.1 | 0.2 | 0.5 – 1.0 | Rem |
| Nominals | 60.0000 | – | – | 0.7000 | 39.2000 |
Specifications:
| End Product | Specification |
| Bar | AMS 4611, 4612, ASTM B21, FEDERAL QQ-B-639, SAE J463, J461 |
| Bar, Forging | ASTM B124 |
| Bolts | ASTM F468 |
| Forgings, Die | ASTM B283 |
| Nuts | ASTM F467 |
| Plate | FEDERAL QQ-B-639 |
| Plate, Clad | ASTM B432 |
| Plate, Condenser Tube | ASME SB171, ASTM B171 |
| Rod | AMS 4611, 4612, ASTM B21, SAE J463, J461 |
| Rod, Forging | ASTM B124 |
| Screws | ASTM F468 |
| Shapes | ASTM B21 |
| Shapes, Forging | ASTM B124 |
| Sheet | FEDERAL QQ-B-639 |
| Strip | FEDERAL QQ-B-639, SAE J463, J461 |
| Studs | ASTM F468 |
| Wire, Metallizing | MILITARY MIL-W-6712 |
Fabrication:
| Joining Technique | Suitability |
| Soldering | Excellent |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Not Recommended |
| Capacity for Being Hot Formed | Excellent |
| Coated Metal Arc Welding | Not Recommended |
| Forgeability Rating | 90 |
| Gas Sheilded Arc Welding | Fair |
| Machinability rating | 30 |
| Oxyacetylene Welding | Good |
| Seam Weld | Fair |
| Soldering | Excellent |
| Spot Weld | Good |
Physical Properties:
| Product Property | US Customary | Metric |
| Coefficient of Thermal Expansion | 11.8 ·10-6 per oF (68-572 F) | 21.2 · 10 6? per °C (20-300 C) |
| Density | 0.304 lb/in3 @ 68 F | 8.41 gm/cm3 @ 20 C |
| Electrical Conductivity | 26 %IACS @ 68 F | 0.152 MegaSiemens/cm @ 20 C |
| Electrical Resistivity | 39.9 ohms-cmil/ft @ 68 F | 6.63 microhm-cm @ 20 C |
| Melting Point Liquid US | 1650 F | 899 C |
| Melting Point Solid US | 1630 F | 888 C |
| Modulas of Elasticity in Tension | 15000 ksi | 103400 MPa |
| Modulas of Rigidity | 5600 ksi | 38610 MPa |
| Specific Gravity | 8.41 | 8.41 |
| Specific Heat Capacity | 0.09 Btu/lb/°F @ 68 F | 377.1 J/kg · °K at 293 K |
Sizes Available:
| Hollow Rods | Min Bore Size 20 mm and Max OD 100 mm |
| Round Rods | 6mm To 130 mm |
| Hex | 5mm To 60mm |
| Square | 4mm To 60mm |
| Flat | 5mm Min Thickness and max Width 120mm |
| Profiles / Sections | AS per Customer Drawing |
| Billets | Up to 200 mm |
| Ingots | AS per Specification |
