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C90900 High Tin Bronze

Chemical Composition

(%max., unless shown as range or min.)

	Cu1	Al	Sb	Fe	Pb	Ni2	P3	Si	S	Sn	Zn
Min./Max.	86.0-89.0	.005	.20	.15	.25	.50	.05	.005	.05	12.0-14.0	.25
Nominal	87.5	-	-	-	-	-	-	-	-	13.0	-

(1) In determining Cu min., Cu may be calculated as Cu + Ni.
(2) Ni value includes Co.
(3) For continuous castings, P shall be 1.5%, max.

Note: Cu + Sum of Named Elements, 99.4% min.

Applicable Specifications No information available.
Common Fabrication Processes
Casting

Fabrication Properties

Joining Technique	Suitability
Soldering	Exc
Brazing	Good
Oxyacetylene Welding	Fair
Gas Shielded Arc Welding	Fair
Coated Metal Arc Welding	Fair
Machinability Rating	20

Mechanical Properties (measured at room temperature, 68 F (20 C)

Temper	Section Size	Cold Work	Typ/Min	Temp	Tensile Strength	Yield Strength (0.5% ext.under load)	Yield Strength (0.2% offset)	Yield Strength (0.05% offset)	El	Rockwell Hardness	Vickens Hard.	Brinell Hard.	Shear Strength	Fatigue Strength*	Izod Impact Strength
	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

As Sand Cast

M01	0.0	0	Typ	68	40	20	-	-	15	-	-	90	-	-	0.0
	0.0			20	276	168	-	-	15	- | - | - | - | -	-	90	-	-	0.0

*Fatigue Strength: 100 x 10⁶ cycles,
unless indicated as [N]X 10⁶.

Physical Properties

<>	US Customary	Metric
Melting Point - Liquidus	1792 F	978 C
Melting Point - Solidus	1505 F	818 C
Specific Heat Capacity	0.09 Btu/ib/oF at 68 F	377.1 J/kg ·ok at 293 K
Modulas of Elasticity in Tension	16000 ksi	110000 MPa