Standards: ASTM B-21, ASTM B-124, ASTM B-171, SAE J461, SAE J463, SAE 73, AMS 4611, AMS 4612, DIN 3.053
Naval Brass C46400 is nominally composed of 60% copper, 39.2% zinc, and 0.8% tin. As is typical of brass alloys with the duplex alpha beta structure, C46400 has good strength and rigidity. By substituting tin for an equal quantity of zinc, a high corrosion resistance to seawater is achieved. The addition of tin also gives the alloy an inherent resistance to dezincification, thereby further inhibiting the impingement by seawater at higher than normal temperatures. The alloy is also noted for its resistance to wear, fatigue, galling, and stress corrosion cracking.
Typical Uses for C46400 Naval Brass "Lead-Free":
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, Turn Buckle Barrels, Bearings, Dies, Pressure Vessels, Bearings, Bushings, Hub Cones
Propeller Shafts, Marine Hardware, Decorative Fittings, Shafting, Propeller Shafts, Turnbuckles
ORDINANCE: Missile Components
OTHER: Baffle Plates and Flanges
PLUMBING: Fittings
Shapes & Sizes Available From NBM
SOLID BAR . . . . . . . . . . . . 3/16" - 12" diameter
HEX & SQUARE BARS . . . . up to 3"
PLATES (HOT ROLLED) . . . .cut to size, up to 6" thick
SHEETS (COLD ROLLED) . . up to 1/4" thick
DISCS . . . . . . . . . . . . . . . . .cut to size, up to 6" thick
C46400 Naval Brass 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 |
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 |
Product Type | Temper Type |
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 |
Temper | Sect. Size | Cold Work | Type Min | Temp | Tensile Strength | YS 0.05% UL | YS 0.02% Offset | YS 0.005% Offset | Elong. | RH B | RH C | RH F | RH 30T | VH 500 | BH 500 | BH 3000 | Shear Strgth | Fatigue Strgth | Izod Impact Strgth |
- | in. | % | - | F | ksi | ksi | ksi | ksi | % | B | C | F | 30T | 500 | 500 | 3000 | ksi | ksi | ft-lb |
- | mm. | - | - | C | MPa | MPa | MPa | MPa | - | - | - | - | - | - | - | - | MPa | MPa | J |
FLAT PRODUCTS | |||||||||||||||||||
O50 | 0.04 | 68 | 62 | 30 | - | - | - | - | - | - | - | - | - | - | 41 | - | |||
O50 | 1 | 0 | TYP | 20 | 427 | 207 | - | - | 40 | 60 | - | - | 57 | - | - | - | 283 | - | 0 |
O50 | 0.25 | 68 | 60 | 28 | - | - | - | - | - | - | - | - | - | - | 41 | - | |||
O50 | 6.35 | 0 | TYP | 20 | 414 | 193 | - | - | 45 | 58 | - | - | 56 | - | - | - | 283 | - | 0 |
H01 | 0.04 | 68 | 70 | 58 | - | - | - | - | - | - | - | - | - | - | 43 | - | |||
H01 | 1 | 0 | TYP | 20 | 483 | 400 | - | - | 17 | 75 | - | - | 68 | - | - | - | 296 | - | 0 |
M20 | 1 | 68 | 55 | 25 | - | - | - | - | - | - | - | - | - | - | 40 | - | |||
M20 | 25.4 | 0 | TYP | 20 | 379 | 172 | - | - | 50 | 55 | - | - | 55 | - | - | - | 276 | - | 0 |
O60 | 0.25 | 68 | 58 | 25 | - | - | - | - | - | - | - | - | - | - | 40 | - | |||
O60 | 6.35 | 0 | TYP | 20 | 400 | 172 | - | - | 49 | 56 | - | - | 55 | - | - | - | 276 | - | 0 |
ROD | |||||||||||||||||||
H02 | 0.25 | 68 | 80 | 57 | - | - | - | - | - | - | - | - | - | - | 45 | - | |||
H02 | 6.35 | 20 | TYP | 20 | 552 | 393 | - | - | 20 | 85 | - | - | - | - | - | - | 310 | - | 0 |
H01 | 1 | 68 | 69 | 46 | - | - | - | - | - | - | - | - | - | - | 43 | - | |||
H01 | 25.4 | 8 | TYP | 20 | 476 | 317 | - | - | 27 | 78 | - | - | - | - | - | - | 296 | - | 0 |
O50 | 2.01 | 68 | 62 | 28 | - | - | - | - | - | - | - | - | - | - | 42 | - | |||
O50 | 51 | 0 | TYP | 20 | 427 | 193 | - | - | 43 | 60 | - | - | - | - | - | - | 290 | - | 0 |
H02 | 1 | 68 | 75 | 53 | - | - | - | - | - | - | - | - | - | - | 44 | - | |||
H02 | 25.4 | 20 | TYP | 20 | 517 | 365 | - | - | 20 | 82 | - | - | - | - | - | - | 303 | - | 0 |
O50 | 0.25 | 68 | 63 | 30 | - | - | - | - | - | - | - | - | - | - | 42 | - | |||
O50 | 6.35 | 0 | TYP | 20 | 434 | 207 | - | - | 40 | 60 | - | - | - | - | - | - | 290 | - | 0 |
O60 | 2.01 | 68 | 56 | 25 | - | - | - | - | - | - | - | - | - | - | 40 | - | |||
O60 | 51 | 0 | TYP | 20 | 386 | 172 | - | - | 47 | 55 | - | - | - | - | - | - | 276 | - | 0 |
H01 | 2.01 | 68 | 67 | 40 | - | - | - | - | - | - | - | - | - | - | 43 | - | |||
H01 | 51 | 8 | TYP | 20 | 462 | 276 | - | - | 35 | 75 | - | - | - | - | - | - | 296 | - | 0 |
O50 | 1 | 68 | 63 | 30 | - | - | - | - | - | - | - | - | - | - | 42 | - | |||
O50 | 25.4 | 0 | TYP | 20 | 434 | 207 | - | - | 40 | 60 | - | - | - | - | - | - | 290 | - | 0 |
O60 | 1 | 68 | 57 | 25 | - | - | - | - | - | - | - | - | - | - | 40 | - | |||
O60 | 25.4 | 0 | TYP | 20 | 393 | 172 | - | - | 47 | 55 | - | - | - | - | - | - | 276 | - | 0 |
O60 | 0.25 | 68 | 58 | 27 | - | - | - | - | - | - | - | - | - | - | 40 | - | |||
O60 | 6.35 | 0 | TYP | 20 | 400 | 186 | - | - | 45 | 56 | - | - | - | - | - | - | 276 | - | 0 |
H01 | 0.25 | 68 | 70 | 48 | - | - | - | - | - | - | - | - | - | - | 43 | - | |||
H01 | 6.35 | 10 | TYP | 20 | 483 | 331 | - | - | 25 | 80 | - | - | - | - | - | - | 296 | - | 0 |
TUBE | |||||||||||||||||||
H80 | 0 | 68 | 88 | 66 | - | - | - | - | - | - | - | - | - | - | - | - | |||
H80 | 0 | 35 | TYP | 20 | 607 | 455 | - | - | 18 | 95 | - | - | - | - | - | - | - | - | 0 |
Product Property | US Customary | Metric |
Coefficient of Thermal Expansion | 11.8 ÌÎ?̴ÌÁ10-6 per oF (68-572 F) | 21.2 ÌÎ?̴ÌÁ 10 6? per ÌÎ?̴åÁC (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/ÌÎ?̴åÁF @ 68 F | 377.1 J/kg ÌÎ?̴ÌÁ ÌÎ?̴åÁK at 293 K |
Thermal Conductivity | 67.0 Btu ÌÎ?̴ÌÁ ft/(hr ÌÎ?̴ÌÁ ft2 ÌÎ?̴ÌÁÌÎ?̴åÁF) @ 68 F | 116.0 W/m ÌÎ?̴ÌÁ ÌÎ?̴åÁK at 20 C |
Joining Technique | Suitability |
Brazing | Excellent |
Butt Weld | Good |
Capacity for Being Cold Worked | Fair |
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 |