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C65100 Low Silicon Bronze "B"
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C65100 Low Silicon Bronze "B"

ASTM B98

C65100 is an engineering alloy at least as resistant to corrosion as copper itself, but much stronger, and with good fatigue endurance. 651 Bronze is an alloy noted for its brazeability, strength, corrosion resistance, and electrical properties. C65100 is one of the most weldable copper alloys. It is readily joined by all types of resistance welding. Joining by soldering or brazing is excellent. Joining by gas shielded arc welding and spot welding is also excellent, and by oxyacetylene welding, good.

C65100 finds its broadest use as rod and wire for cold headed and roll threaded bolts, wood screws and lag screws. C65100 wood screws and lag screws have unusually high strength and toughness, freedom from embrittlement, and a high degree of corrosion resistance to all types of water, saline fogs, and a wide variety of other corrosives.

651 Bronze hull and deck fastenings are the standard materials with yacht designers and the majority of builders of stock power boats. The alloy is also used for cable connectors, mast tangs, deck and pilot house hardware and equipment, welded fuel and water tanks for pleasure and commercial crafts. It is also one of the best copper alloys for pole line hardware.

C65100 nails are also widely used in boat construction and for nailing slate, heavy tile, and other materials where strength and corrosion resistance are essential.

Typical Uses for C65100 Low Silicon Bronze "B":

ELECTRICAL: Conduit, Pole Line Hardware, Motor, Rotor Bars

FASTENERS: Bolts, Cable Clamps, Cap Screws, Machine Screws, Nuts, Rivets, U Bolts, Fasteners, Screws

INDUSTRIAL: Oil Refinery Plumbing Tube, Heat Exchanger Tube, Welding Rod, Hydraulic Pressure Lines

MARINE: Hardware

Specifications

End Product Specification
Bar ASME SB98, ASTM B98
Bolts ASTM F468
Nuts ASTM F467
Pipe ASTM B315
Plate ASTM B96
Plate, Clad ASTM B432
Rod ASME SB98, ASTM B98
Screws ASTM F468
Shapes ASME SB98, ASTM B98
Sheet ASTM B96
Strip ASTM B96
Studs ASTM F468
Tube ASTM B315
Wire ASTM B99, B105
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Cu Fe Pb Mn Si Zn
Min/Max Rem 0.8 0.05 0.7 0.80 - 2.0 1.5
Nominals 98.5000 - - - 1.5000 -
Product Type Temper Type
Bar ASME SB98, ASTM B98
Bolts ASTM F468
Nuts ASTM F467
Pipe ASTM B315
Plate ASTM B96
Plate, Clad ASTM B432
Rod ASME SB98, ASTM B98
Screws ASTM F468
Shapes ASME SB98, ASTM B98
Sheet ASTM B96
Strip ASTM B96
Studs ASTM F468
Tube ASTM B315
Wire ASTM B99, B105
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
OS035 1 68 40 15 - - - - - - - - - - - -
OS035 25.4 0 TYP 20 276 103 - - 50 - - 55 - - - - - - 0
H06 1 68 90 67 - - - - - - - - - - 50 -
H06 25.4 50 TYP 20 621 462 - - 12 90 - - - - - - 345 - 0
H04 1 68 70 55 - - - - - - - - - - 45 -
H04 25.4 36 TYP 20 483 379 - - 15 80 - - - - - - 310 - 0
Tube
OS015 0.07 68 45 20 - - - - - - - - - - - -
OS015 1.8 0 TYP 20 310 138 - - 55 - - 68 - - - - - - 0
H80 0 68 65 40 - - - - - - - - - - - -
H80 0 35 TYP 20 448 276 - - 20 75 - - 67 - - - - - 0
Wire
H01 0.43 68 63 - - - - - - - - - - - - -
H01 11 21 TYP 20 434 - - - 30 - - - - - - - - - 0
H04 0.08 68 100 70 - - - - - - - - - - 50 25
H04 2 0 TYP 20 689 483 - - 11 - - - - - - - 345 172 0
H02 0.08 68 80 63 - - - - - - - - - - 45 -
H02 2 0 TYP 20 552 434 - - 15 - - - - - - - 310 - 0
H02 0.43 68 80 - - - - - - - - - - - - -
H02 11 37 TYP 20 552 - - - 20 - - - - - - - - - 0
H04 0.43 68 95 - - - - - - - - - - - - -
H04 11 60 TYP 20 655 - - - 12 - - - - - - - - - 0
H01 0.08 68 65 50 - - - - - - - - - - 40 -
H01 2 0 TYP 20 448 345 - - 25 - - - - - - - 276 - 0
H00 0.08 68 55 40 - - - - - - - - - - 36 -
H00 2 0 TYP 20 379 276 - - 40 - - - - - - - 248 - 0
H06 0.08 68 105 71 - - - - - - - - - - 53 28
H06 2 0 TYP 20 724 490 - - 10 - - - - - - - 365 193 0
Product Property US Customary Metric
Coefficient of Thermal Expansion 9.9 . 10-6 per oF (68-212 F) 17.8 . 10-6 per oC (20-100 C)
Density 0.316 lb/in3 at 68 F 8.75 gm/cm3 @ 20 C
Electrical Conductivity 12 %IACS @ 68 F 0.07 MegaSiemens/cm @ 20 C
Electrical Resistivity 86.4 ohms-cmil/ft @ 68 F 14.36 microhm-cm @ 20 C
Melting Point - Liquidus 1940 F 1060 C
Melting Point - Solidus 1890 F 1032 C
Modulas of Elasticity in Tension 17000 ksi 117000 MPa
Modulus of Rigidity 6400 ksi 44130 MPa
Specific Gravity 8.75 8.75
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg . oK at 293 K
Thermal Conductivity 33.0 Btu . ft/(hr . ft2 . oF)at 68F 57.1 W/m . oK at 20 C
Joining Technique Suitability
Brazing Excellent
Butt Weld Excellent
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Coated Metal Arc Welding Fair
Gas Shielded Arc Welding Excellent
Machinability Rating 30
Oxyacetylene Welding Good
Seam Weld Good
Soldering Excellent
Spot Weld Excellent

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