C92200 Leaded Tin Bronze

C92200 (also known as C922) Bronze is well known for its industrial applications. Typical Uses for C92200 Leaded Tin Bronze "Navy M": ARCHITECTURE: Ornamental Castings BUILDING: Cooling Equipment, Heating Equipment FASTENERS: Nuts INDUSTRIAL: Fittings Used to 550 F, Gears, Bushings, Bearings, Pump Impellers, Pumps Used to 550 F, Cryogenic Valves, Valves for Water Meters, Medium Pressure Hydraulic Equipment, Piston Rings, Valve Components MARINE: Marine Castings PLUMBING: Medium Pressure Steam Equipment to 550 F

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Product Introduction

Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of c92200 leaded tin bronze in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount c92200 leaded tin bronze for sale here from our factory. Customized orders are welcome.

Introduction

Tin bronzes or copper tin alloys are well known for their corrosion resistance property. UNS C90200 to C91700 are designations allotted to cast tin bronzes.

Tin bronzes are more ductile and stronger than semi red and red brasses. They have low friction and high wear resistance when placed against steel. The structure of alpha copper is retained by tin bronzes containing 15.8% of tin.

Tin is considered as a solid solution strengthener in copper despite its low solubility in copper under room temperature. These copper tin alloys are hence regarded as single phase alloys due to slow transformations or absence of transformations under the room temperature.

Lead plays a significant role in tin bronzes as it helps in improving pressure tightness and machinability and also decreases ductility and tensile strength of the tin bronzes. A balance in strength and machinability of the tin bronzes can be obtained by adjusting the composition in the tin bronzes. Tin bronzes that are high leaded comprise a slow fail mechanism that prevents seizing and galling on a temporary basis. During the operation of this mechanism lead leaks out of the alloy and gets smeared over the journal's surface.

UNS C92200-C94500 are designations allotted to the cast leaded tin bronzes. The cast tin bronzes have a microstructure provided with cored dendrites. These dendrites are capable of increasing tin because of their composition gradient.

The nonleaded materials along with lead particles in the inter-dendritic boundaries have a microstructure that is similar to that of the leaded tin bronzes. The lead solidifies as pure lead in the grain boundaries and does not solidify in solid copper.

Tin bronzes are used in fittings, bearings, piston rings, gears and valves.

Composition

The composition of leaded tin bronze cast alloys is outlined in the following table.

Copper Alloy No.	Cu	Sn	Pb	Zn	Fe	Sb	Ni	S	P	Al	Si	Mn	Other Named Elements	Status
C92200¹	86.0-90.0²	5.5-6.5	1.0-2.0	3.0- 5.0	.25	.25	1.0³	.05	.05⁴	.005	.005	-	-	Active
C92210¹	86.0-89.0²	4.5-5.5	1.7-2.5	3.0-4.5	.25	.20	.7- 1.0³	.05	.03⁴	.005	.005	-	-	Active
C92220¹	86.0-88.0²	5.0-6.0	1.5-2.5	3.0-5.5	.25	-	.50- 1.0³	-	.05	-	-	-	-	Active
C92300¹	85.0-89.0²	7.5-9.0	.30-1.0	2.5- 5.0	.25	.25	1.0³	.05	.05⁴	.005	.005	-	-	Active
C92310¹	Rem.²	7.5-8.5	.30-1.5	3.5-4.5	-	-	1.0³	-	-	.005	.005	.03	-	Active
C92400¹	86.0-89.0²	9.0-11.0	1.0-2.5	1.0- 3.0	.25	.25	1.0³	.05	.05⁴	.005	.005	-	-	Active
C92410¹	Rem.²	6.0-8.0	2.5-3.5	1.5-3.0	.20	.25	.20³	-	-	.005	.005	.05	-	Active
C92500¹	85.0-88.0²	10.0-12.0	1.0-1.5	.50	.30	.25	.8- 1.5³	.05	.30⁴	.005	.005	-	-	Active
C92600¹	86.0-88.5²	9.3-10.5	.8-1.5	1.3- 2.5	.20	.25	.7³	.05	.03⁴	.005	.005	-	-	Active
C92610¹	Rem.²	9.5-10.5	.30-1.5	1.7-2.8	.15	-	1.0³	-	-	.005	.005	.03	-	Active
C92700¹	86.0-89.0²	9.0-11.0	1.0- 2.5	.7	.20	.25	1.0³	.05	.25⁴	.005	.005	-	-	Active
C92710¹	Rem.²	9.0-11.0	4.0- 6.0	1.0	.20	.25	2.0³	.05	.10⁴	.005	.005	-	-	Active
C92800¹	78.0-82.0²	15.0-17.0	4.0- 6.0	.8	.20	.25	.8³	.05	.05⁴	.005	.005	-	-	Active
C92810¹	78.0-82.0²	12.0-14.0	4.0-6.0	.50	.50	.25	.8- 1.2³	.05	.05⁴	.005	.005	-	-	Active
C92900¹	82.0-86.0²	9.0-11.0	2.0-3.2	.25	.20	.25	2.8- 4.0³	.05	.50⁴	.005	.005	-	-	Active

¹Cu + Sum of named elements, 99.3% min.
²In determining Cu min., Cu may be calculated as Cu + Ni.
³Ni value includes Co.
⁴For continuous castings, P shall be 1.5%, max.

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