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Help CenterLeaded Commercial Bronze ASTM B 140 C31400
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Lead Bronze Rods
- Hardware applications
- Electrical applications
- Fasteners
- Industrial applications
Some of the areas these are used in include as:
- Electrical connectors
- Screws and nuts
- Pickling crates
- Fixtures and racks
- These are also common in screw machine applications
Having excellent soldering capabilities, these have good capacity for being Cold worked and also have good brazing property. These have equivalent specifications of ASTM B140/ B140M (Copper Alloy UNS No. 31400) and reference specifications of Mil-V-18436.
" ARCHITECTURAL BRONZE RODS "
C345 Typical Uses:
Industrial: Pinions, Gears, Valve Stems, Flare Fittings, Adapters, Couplings
Plumbing: Plumbing Fittings, Plumbers' Brass Goods
Sizes Available :-
HOLLOW RODS. . . . . . . . . . .Min Bore Size 20 mm and Max OD 130 mm
ROUND RODS. . . . . . . . . . . . . 6mm To 250 mm
HEX . . . . . . . . . . . . . . . 5mm To 60mm
SQUARE . . . . . . 4mm To 60mm
FLAT . . . . . . . . . . .5mm Min Thickness and max Width 120mm
PROFILES / SECTIONS. . . AS per Customer Drawing
CHEMICAL COMPOSITION
Cu |
Fe |
Pb |
Zn |
|
Min/Max |
59.0 - 63.0 |
0.07 |
0.3 |
Rem |
Nominals |
60.0000 |
- |
- |
40.0000 |
SPECIFICATIONS
End Product |
Specification |
Bar |
ASTM B36 |
Wire |
ASTM B36 |
Rods |
ASTM B36 |
Ingots |
ASTM B36 |
Tube, Condenser |
ASME SB111, ASTM B111 |
Tube, Seamless |
ASTM B135, FEDERAL WW-T-791 |
FABRICATION
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 |
40 |
Oxyacetylene Welding |
Good |
Seam Weld |
Not Recommended |
Soldering |
Excellent |
Spot Weld |
Good |
PHYSICAL PROPERTIES
Product Property |
US Customary |
Metric |
Coefficient of Thermal Expansion |
11.6 ·10-6 per oF (68-572 F) |
20.9 · 10 6? per °C (20-300 C) |
Density |
0.303 lb/in3 @ 68 F |
8.39 gm/cm3 @ 20 C |
Electrical Conductivity |
28 %IACS @ 68 F |
0.164 MegaSiemens/cm @ 20 C |
Electrical Resistivity |
37.0 ohms-cmil/ft @ 68 F |
6.15 microhm-cm @ 20 C |
Melting Point Liquid US |
1660 F |
904 C |
Melting Point Solid US |
1650 F |
899 C |
Modulas of Elasticity in Tension |
15000 ksi |
103400 MPa |
Modulas of Rigidity |
5600 ksi |
38610 MPa |
Specific Gravity |
8.39 |
8.39 |
Specific Heat Capacity |
0.09 Btu/lb/°F @ 68 F |
377.1 J/kg · °K at 293 K |
Thermal Conductivity |
71.0 Btu · ft/(hr · ft2 ·°F) @ 68 F |
1229.9 W/m · °K at 20 C |
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