Common types and physical properties of aluminum bronze

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Aluminum bronze 10-3-1.5

Aluminum bronze has high strength and friction resistance, is not easy to braze, and has high oxidation resistance and corrosion resistance.

use:

Used to make wear-resistant parts and standard parts under high temperature conditions, such as gears, bearings, and flywheels.

specification:

Bars, plates, pipes and other specifications

Mechanical properties

Hardness: 110～200HB
Thermal processing temperature 750～850℃
Tensile strength σb (MPa): ≥540
Elongation δ10 (%): ≥15
Elongation δ5 (%): ≥17

chemical composition

Cu: margin
Mn: 1.0-2.0
Al: 8.5-10.0%
Zn: 0.5
Ni: 0.5
Fe: 2.0-4.0%
Pb: 0.03
Impurities: 0.75

Mechanical properties

Tensile strength: 590MPa

QAl7 aluminum bronze

QAl7 aluminum bronze is a metal material.
Chinese name:QAl7 aluminum bronze
Standard: (GB/T 2059-2000)
Tensile strength (σb/MPa): ≥635

Features and scope of application:

The performance and use are similar to QAl5, because the aluminum content is slightly higher, its strength is higher.

chemical composition:

Al: 6.0-8.5
Zn: 0.2
Fe:0.5
Pb: 0.02
Si: 0.1
Cu: margin
Chemical composition standard: GB/T 5231-2012

Mechanical properties:

Tensile strength (σb/MPa): ≥635
Elongation (δ10/%)≥5
Note: The mechanical properties of the board
Sample size: thickness (0.4-1.2)

QAl5 aluminum bronze

QAl5 aluminum bronze is an article whose standard is GB/T 2059-2000

Chinese name: QAl5 Aluminum Copper Copper
Standard: GB/T 2059-2000S

Features and scope of application:

It is aluminum bronze without other elements. It has high strength, elasticity and wear resistance. It has high corrosion resistance in the atmosphere, fresh water, sea water and certain acids. It can be welded by electric welding, gas welding, and is not easy to braze. It can not be quenched and tempered when it is subjected to pressure processing in cold or hot state.

chemical composition:

Zn: 0.5
Mn: 0.5
Fe:0.5
Pb:0.03
Ni:0.5
Si: 0.1
P:0.01
Cu: margin
Impurities: 1.6

Mechanical properties:

Tensile strength (σb/MPa): ≥275
Elongation (δ10/%): ≥33
Note: The mechanical properties of the board
Sample size: thickness (0.4-12)

QAl9-4 aluminum bronze

QAl9-4 aluminum bronze is iron-containing aluminum bronze, with high strength and anti-friction properties, good corrosion resistance, good press workability in hot state, and can be welded by electric and gas welding, but the fiber weldability is not good. QAl9-4 Aluminum bronze can be used as a substitute for high tin wear-resistant bronze, and it is also the most common type of aluminum bronze at present.

Material name: QAl9-4 aluminum bronze
Standard: (GB/T 13808-1992)

Features and scope of application:

It is iron-containing aluminum bronze, with high strength and anti-friction properties, good corrosion resistance, good press workability in hot state, and can be welded by electric welding and gas welding, but the weldability is not good. QAl9-4 aluminum bronze can be used as Substitute for high tin wear-resistant bronze.

chemical composition:

Tin Sn: 0.1
Zinc Zn: 1.0
Lead Pb: 0.01
Phosphorus P: 0.01
Aluminum Al: 8.0～10.0
Iron Fe: 2.0～4.0
Manganese Mn: 0.5
Silicon Si: 0.1.
Impurities: 1.7
Nickel Ni: 0.5
Copper Cu: margin

Mechanical properties

Tensile strength σb (MPa): ≥540
Elongation δ10 (%): ≥15
Elongation δ5 (%): ≥17
Hardness: 110～190HB
Note: Longitudinal room temperature tensile mechanical properties of bars
Sample size: diameter 10～120

QAl9-4 heat treatment specification

Hot working temperature is 750～850℃; annealing temperature is 700～750℃; quenching temperature is 850℃ water cooling; tempering temperature is 500～550℃.

Aluminum bronze 9-4-4-2

It has high mechanical properties, excellent corrosion resistance in the atmosphere, fresh water and sea water, high corrosion fatigue strength, good castability, good wear resistance, heat resistance below 400 ℃, heat treatment, welding performance Good, not easy to braze.

Material name: Casting copper alloy (9-4-4-2 aluminum bronze, sand mold)
Brand: ZCuAl9Fe4Ni4Mn2
Standard: ZCuAl9Fe4Ni4Mn2
Tensile strength: ≥630MPa

●Characteristics and scope of application:

It has high mechanical properties, excellent corrosion resistance in the atmosphere, fresh water and sea water, high corrosion fatigue strength, good castability, good wear resistance, heat resistance below 400 ℃, heat treatment, welding performance Good, not easy to braze.

●Chemical composition:

Copper Cu: the rest
Lead Pb: ≤0.02 (impurity)
Nickel Ni: 4.0～5.0
Aluminum Al: 8.5～10.0
Iron Fe: 4.0～5.0
Manganese Mn: 0.8～2.5
Silicon Si: ≤0.15 (impurity)
Carbon C: ≤0.10 (impurity)
Note: the sum of impurities≤1.0

●Mechanical properties:

Tensile strength σb (MPa): ≥630
Yield strength σ (MPa): ≥250
Elongation δ5 (%): ≥16
Hardness: Brinell hardness HBW160

●Casting method:

Sand casting: QAl9-4 is iron-containing aluminum bronze, which has high strength and anti-friction properties, good corrosion resistance, good pressure workability under hot conditions, electric welding and gas welding, but poor fiber weldability, QAl9 -4 aluminum bronze can be used as a substitute for high tin wear-resistant bronze.

 

QAl11-6-6 aluminum bronze (QAl11-6-6 aluminum bronze)

QAl11-6-6 has excellent characteristics such as high strength, corrosion resistance, and no sparks when impacted. QAl11-6-6 is widely used in national defense industry and civilian use. The composition and performance of QAl11-6-6 aluminum bronze are similar to those of QAl10-4-4.

Chinese name: QAl11-6-6 aluminum bronze
Grade: QAl11-6-6
Standard: GB/T 13808-1992
Copper Cu: margin

●Characteristics and scope of application:

QAl11-6-6 has excellent characteristics such as high strength, corrosion resistance, and no sparks when impacted. QAl11-6-6 is widely used in national defense industry and civilian use. The composition and performance of QAl11-6-6 aluminum bronze are similar to those of QAl10-4-4.

●Chemical composition:

Tin Sn: ≤0.2
Zinc Zn: ≤0.6
Lead Pb: ≤0.05
Phosphorus P: ≤0.1
Nickel Ni: 5.0～6.5
Aluminum Al: 10.0～11.5
Iron Fe: 5.0～6.5
Manganese Mn: ≤0.5
Silicon Si: ≤0.2
Note: ≤1.5 (impurities)
Note: Longitudinal room temperature tensile mechanical properties of bars
Sample size: diameter or distance between opposite sides 5～40

C63000 aluminum bronze

It has high strength and good wear resistance. It is used for high-strength screws, nuts, copper sleeves, sealing rings, etc., and wear-resistant parts. The most prominent feature is its good wear resistance.

Material	C63000 aluminum bronze rod, copper tube
International grade	——–
Ingredients	Aluminum 6.0-8.0%, the balance is copper.
standard	GB/T4423-1992; GB/T1528-1997; ASTM B150
Craft	Melting → ingot casting → extrusion → stretching
Production range	Outer diameter ￠5-300mm; length according to customer requirements.
Mechanical properties and uses	The aluminum bronze rod has good cutting and grinding performance, can be welded, and is easy to be formed by hot processing. Aluminum bronze rod alloy is mainly used to manufacture high-strength and wear-resistant structural parts such as brackets, gears, shaft sleeves, bushings, nozzles, flanges, rocker arms, pilot valves, pump rods, cams, and fixing nuts.

Mechanical properties and uses

The aluminum bronze rod has good cutting and grinding performance, can be welded, and is easy to be formed by hot processing. Aluminum bronze rod alloy is mainly used to manufacture high-strength and wear-resistant structural parts such as brackets, gears, shaft sleeves, bushings, nozzles, flanges, rocker arms, pilot valves, pump rods, cams, and fixing nuts.
Aluminum bronze generally does not contain more than 11.5% of aluminum, and sometimes an appropriate amount of iron, nickel, manganese and other elements are added to further improve performance. Aluminum bronze can be strengthened by heat treatment, its strength is higher than tin bronze, and its high temperature oxidation resistance is also better.

Because aluminum bronze containing iron and manganese elements has high strength and wear resistance, it can increase the hardness after quenching and tempering, and has good high temperature corrosion resistance and oxidation resistance. Corrosion resistance in the atmosphere, fresh water and sea water Very good, machinability is acceptable, welding is not easy to weld, and the pressure processing is good in hot state.

QAl9-2 aluminum bronze

Chinese name: QAl9-2 aluminum bronze drawn rod (hard, 5～40mm)
Material name: Aluminum bronze drawn rod
Standard: GB/T 4423-1992
Longitudinal room temperature tensile mechanical properties of injection bars

Characteristics and scope of application

QAl9-2 manganese-containing aluminum bronze has high strength, good corrosion resistance in the atmosphere, fresh water and sea water, can be welded by electric welding and gas welding, is not easy to braze, and has good pressure workability in hot and cold conditions. . Used to make springs and other corrosion-resistant components, such as worm gears, etc.

chemical composition

Copper Cu: margin
Tin Sn: ≤0.1
Zinc Zn: ≤1.0
Lead Pb: ≤0.03
Phosphorus P: ≤0.03
Aluminum Al: 8.0～10.0
Iron Fe: ≤0.5
Manganese Mn: 1.5～2.5
Silicon Si: ≤0.1
Note: ≤1.7 (impurities)

Mechanical properties

Tensile strength σb (MPa): ≥540
Elongation δ10 (%): ≥13
Elongation δ5 (%): ≥16
Note: Longitudinal room temperature tensile mechanical properties of bars

Heat treatment specification

The hot working temperature is 800～850℃; the annealing temperature is 650～750℃; the quenching temperature is 800℃ and water cooling; the tempering temperature is 400℃.