C31600 Nickel Leaded Commercial Bronze

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C31600 Nickel Leaded Commercial Bronze
ASTM B140

Nickel Bearing C31600 is composed of approximately 89% copper, 8% zinc, and 2% lead, but also contains 1% nickel. This alloy combines the natural corrosion resistance and machinability of C31400 with a higher tensile and yield strength resulting from the controlled addition of nickel. The relatively low zinc content provides excellent corrosion resistance in potable water along with a pleasing golden color that matches C22000 hardware. It also possesses a particular resistance to stress corrosion cracking. It is an alloy suitable for outdoor use where higher strength is required.

TYPICAL USES FOR C31600 NICKEL LEADED COMMERCIAL BRONZE

BUILDERS HARDWARE: Hardware
ELECTRICAL: Connectors
FASTENERS: Fasteners, Nuts, Screws
INDUSTRIAL: Screw Machine Parts

Click Here to Download C31600 SPEC SHEET

<<< SEE SIZES & SPECS BELOW >>

CHEMICAL COMPOSITION

	Cu	Fe	Pb	Ni	P	Zn
Min/Max	87.5 - 90.5	0.1	1.3 - 2.5	0.7 - 1.2	0.04 - 0.1	Rem
Nominals	89.0000	-	1.9000	1.0000	0.7000	8.1000

TEMPER

Product Type	Temper Type
Bar	ASTM B140
Rod	ASTM B140
Shapes	ASTM B140
Valves	MILITARY MIL-V-18436

MECHANICAL PROPERTIES

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
BAR
H04	0.25			68	63	56	-	-	-	-	-	-	-	-	-	-	-	-
H04	6.35	0	TYP	20	434	386	-	-	12	70	-	-	-	-	-	-	-	-	0
ROD
H04	1			68	65	57	-	-	-	-	-	-	-	-	-	-	39	-
H04	25.4	38	TYP	20	448	393	-	-	15	70	-	-	-	-	-	-	269	-	0
H04	0.5			68	67	59	-	-	-	-	-	-	-	-	-	-	40	-
H04	12.7	38	TYP	20	462	407	-	-	13	72	-	-	-	-	-	-	276	-	0
OS050	1			68	37	12	-	-	-	-	-	-	-	-	-	-	24	-
OS050	25.4	0	TYP	20	255	83	-	-	45	-	-	55	-	-	-	-	165	-	0

PHYSICAL PROPERTIES

Product Property	US Customary	Metric
Coefficient of Thermal Expansion	10.2 ·10-6 per oF (68-572 F)	18.4 ∙ 10 6ֿ per ˚C (20-300 C)
Density	0.32 lb/in3 @ 68 F	8.86 gm/cm3 @ 20 C
Electrical Conductivity	32 %IACS @ 68 F	0.187 MegaSiemens/cm @ 20 C
Electrical Resistivity	32.4 ohms-cmil/ft @ 68 F	5.39 microhm-cm @ 20 C
Melting Point Liquid US	1900 F	1038 C
Melting Point Solid US	1850 F	1010 C
Modulas of Elasticity in Tension	17000 ksi	117000 MPa
Specific Gravity	8.86	8.86
Specific Heat Capacity	0.09 Btu/lb/˚F @ 68 F	377.1 J/kg ∙ ˚K at 293 K
Thermal Conductivity	81.0 Btu ∙ ft/(hr ∙ ft2 ∙˚F) @ 68 F	140.2 W/m ∙ ˚K at 20 C

FABRICATION

Joining Technique	Suitability
Brazing	Good
Butt Weld	Fair
Capacity for Being Cold Worked	Good
Capacity for Being Hot Formed	Poor
Coated Metal Arc Welding	Not Recommended
Gas Sheilded Arc Welding	Not Recommended
Machinability rating	80
Oxyacetylene Welding	Not Recommended
Seam Weld	Not Recommended
Soldering	Excellent
Spot Weld	Not Recommended

SPECIFICATIONS

End Product	Specification
Bar	ASTM B140
Rod	ASTM B140
Shapes	ASTM B140
Valves	MILITARY MIL-V-18436

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