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Copper Knowledge
Applied Field

Applied Field

Red Copper Type

Code Name Variety Main Character Application Examples
T2 Plate, Strip, Tube, Rod, Foil, Wire Good electricity conductivity, heat conductivity, corrosion resistance, workability, welding, brazing property. Few impurity for reducing electricity, heat conductivity, tiny oxidize has little influence for electricity, heat conductivity, workability, but easily lead to hydrogen disease, not suitable to process (annealing, welding) and use in high temperature (such as over 370 degree centigrade) reducing atmospheres It is used to electricity conductivity, heat conductivity, corrosion resistance equipment. Such like wire, cable, electric rivet, detonator for blasting, evaporator for chemical, storage container and all kinds of pipes, etc.
T2 Conductivity Plate, Strip, Tube, Rod, Foil, Wire High purity, electric conductivity is not less than 98 percent It is used to compressor special copper strip
TU1
TU2
Plate, Strip, Tube, Rod, Foil, Wire High purity, good electric conductivity, heat conductivity, no hydrogen disease or little hydrogen disease, good workability, welding, corrosion resistance, cold resistance It is mainly applied in electric vacuum instrument parts
TP1 Plate, Strip, Tube Good welding and cold winding property, no hydrogen tendency , can be processed and used in reducing atmospheres, but not suitable to process and use in oxidize atmospheres. The rest phosphorus of TP 1 is less than TP 2, so with higher electric conductivity than TP 2. It is mainly used in panel, plate, strip or rod, wire. Gasoline or gas transmission pipe, drain pipe, condenser pipe, mine pipe, condenser , evaporator, heat exchanger, train box parts
TP2 Plate, Strip, Tube, Rod, Foil, Wire
TAg0.1 Plate, Tube Few silver added into copper, which can improve softening temperature (recrystallization temperature) and creep strength, reducing electric conductivity, heat conductivity, plasticity of copper. The harden effect is not remarkable of silver copper for use, it usually improve hardness by cold hardening. It has feature of wear resistance, electrical contact, corrosion resistance, such like electric car line, service life is longer two to four times than general hard copper. It is applied in heat resistance, electric equipment. For example, electrical appliance segment, electric conductivity for machine rotor, spot welding electrode, telecom wire, leading wire, conductive wire, electrical pipe material, etc.

Brass Type

Code Name Variety Main Character Application Examples
H96 Plate, Strip, Tube, Bar The strength is higher than pure copper (but in general brass, it is the lowest), hear conductivity, good corrosion resistance in the air and water, good plasticity, can be processed in cold and heat pressure, welding, casting, forging and tinning, no stress corrosion fracture tendency It is used in tubes, condenser tube, radiator tube, radiator piece, car tank strip and electrical parts
H90 Plate, Strip, Bar, Wire The property is similar to H96, but higher strength than H96, metal plated and coated with enamel. Water supply and drain pipe, medal, artwork, tank strip and double metal piece.
H85 Tube High strength, good plasticity, can be processed in cols and heat pressure, good welding and corrosion resistance. Condenser, radiator tube, siphon, coiler, cold equipment
H80 Plate, Strip, Tube, Bar The property is similar to H85, but high strength, good plasticity, high corrosion resistance in the air and fresh water, sea water. Paper-making mesh, thin wall tube, corrugated pipe and house building product
H70 Plate, Strip, Tube, Bar Good plasticity (it is the best in brass) and high strength, good workabity, easy welding, stable corrosion resistance, easy to crack corrosion. H68 is the most widely type of general brass. Adding little arsenic to H68A, which can avoid dezincification of brass and improve corrosion resistance of brass. Complicated cold stamping piece, deep stamping piece, such as radiator shell, tube, corrugated pipe, cartridge case, gasket, detonator, etc.
H68 Plate, Strip, Tube, Bar, Foil, Wire
H68A Tube
H65 Plate, Strip, Wire The property is between H68 and H62, low price than H68, high strength and plasticity, can be processed in cols and heat pressure, with corrosion fracture tendency Appliance connector piece, bath equipment, terminal, clock, light decoration, etc; musical instrument, light decoration material and military buttons
H62 Plate, Strip, Tube, Bar, Foil, Wire Good mechanical property, good plasticity in heat and cold status, good workability, good welding, brazing, corrosion resistance, but easy to corrosion fracture, in addition, low price, which is a widely general brass type All kinds of deep drawing and bending parts, such like dowel, rivet, gasket, nut, tube, barometer spring, screen, radiator parts, etc.
HPb59-1 Plate, Strip, Tube, Bar, Wire Lead brass is widely application, has feature of good workability, good mechanical property, can be processed in cols and heat pressure, good welding, brazing, stable for general corrosion, but with corrosion fracture tendency Applied to all structural parts of heat stamping and workability, such as nut, gasket, shim, bush, rivet, nozzles, etc
HPb60-2 Plate, Strip Good workability and high strength, other property is equal to HPb59-1 It is used to high strength, high machinability structural parts
HSn62-1 Plate, Strip, Tube, Bar, Wire High corrosion resistance in sea water, good mechanical property, with brittleness when cold processing, only suitable for heat pressure processing, good workability, easy to welding and brazing, but with corrosion fracture tendency It is applied in ship parts or other parts of touching with se water and gasoline
HSn70-1 Tube Typical tin brass, high corrosion resistance in the air, steam, oil and sea water, good mechanical property, good workability, easy to welding and brazing, but with corrosion fracture tendency Corrosion resistance parts on sea ship (such like condenser), tube touching with sea water, steam, oil, heat processing equipment parts
HAl59-3-2 Plate, Strip, Bar High strength, the best corrosion resistance in all brass, small corrosion fracture tendency, low plasticity in cold status, good workability in heat status pressure Machine and ship industry and other room temperature high strength corrosion resistance parts
HAl66-6-3-2 Plate, Bar It is wear resistance alloy, with high strength, hardness, wear resistance, but with corrosion fracture tendency, poor plasticity, which is transplanted type of casting brass. Nut used for fix rivet in the heavy-loaded working and large scale worm, which can replace aluminum bronze QAL10-4-4
HAl77-2 Tube Typical aluminum brass, with high hardness and strength, can be processed in cold and heat pressure, good corrosion resistance in sea water and salt water, but with dezincification and corrosion fracture tendency. Condenser for ship and coast heat power station and other corrosion resistance parts
HMn58-2
HMn58-3
Plate, Strip, Tube, Bar, Wire High corrosion resistance in sea water and superheated steam, chloride, but with corrosion fracture tendency, good mechanical property, low electric conductivity and heat conductivity, easy to process in heat pressure, fine workability in cold pressure, which is a widely brass type. Important parts and low current industry for working under corrosion condition
HMn57-3-1 Plate, Bar, Tube High strength, hardness, low plasticity, only can be processed in heat status, better corrosion resistance in the air, sea water, superheated steam than general brass, but with corrosion fracture tendency Structural parts with corrosion resistance
HFe59-1-1 Plate, Bar, Tube High strength, toughness, good antifriction property, high corrosion resistance in the air, sea water, but with corrosion fracture tendency, good plasticity in heat status To make structural parts working in friction and corrosion of sea water condition
HSi80-3 Tube Good mechanical property, high corrosion resistance, no corrosion fracture tendency, fine wear resistance, easy to welding and brazing, good workability in cold and heat status, low electric conductivity and heat conductivity in brass Ship parts, steam pipe and water pipe parts
HNi65-5 Plate, Bar High corrosion resistance and antifriction property, good mechanical property, good workability in cold and heat status, stable for detincification property and season crack, low electricity and heat conductivity, but the price of nickel is expensive, Hni65-5 is hardly used Pressure gauge tube, water making net, condenser for ship, replace of tin phosphorous and silver.

Bronze Type

Alloy Code Name Variety Main Character Application Examples
QSn4-3 Plate, Strip, Bar, Wire Bronze with tin, high wear resistance and elasticity, good diamagnetism, can be processed in cold and heat pressure, good machinability in hardness status, easy to welding and brazing, good corrosion resistance in the air, fresh water and sea water. To make spring (flat spring, circle spring) and other elastic parts, corrosion resistance parts on chemical equipment and wear resistance (such as bush, circle plate, bearing, etc) and diamagnetic parts, scraper for paper making industry.
QSn6.5-0.1 Plate, Strip, Bar, Foil, Wire Phosphorous bronze, with high strength, elasticity, wear resistance, diamagnetism, good workability in heat and cold status, high diamagnetism for electric spark, easy to welding and brazing, corrosion resistance in the air and fresh water. To make spring and spring connector piece with good electric conductivity, wear resistance parts and diamagnetic parts of the precise instrument, such as gear, electric brush box, vibrating seed, connecting instrument.
QSn7-0.2 Plate, Strip, Bar, Wire Phosphorous bronze, high strength, good elasticity and wear resistance, easy to welding and brazing, corrosion resistance in the air and sea water, suitable for heat pressure processing. To make parts with middle load, standing friction in middle sliding speed, such like wear resistance gasket, bearing, axle sleeve, turbine, etc, it also used as spring, reed, etc.
QAL9-2 Plate, Strip, Bar, Wire Aluminum bronze with manganese has a feature of high strength, good corrosion resistance in the air, fresh water and sea water, easy to welding and gas welding, not easy to brazing, can be processed in cold and heat pressure. High strength corrosion resistance parts and pipe fitting working in 250 degree centigrade of steam medium, parts on the sea vessels.
QAL9-4 Tube, Bar, Wire Aluminum bronze with iron. With high strength and anti-friction, good corrosion resistance, good workability in heat pressure processing, easy to welding and gas welding, not easy to brazing, the substitute of high tin corrosion resistance bronze. To make anti-friction, corrosion resistance parts which can work in high load, such like bearing, axle sleeve, gear, turbine, valve seat, etc, also to make double metal corrosion resistance parts.
QAL10-3-1.5 Tube, Bar Aluminum bronze with iron and manganese element, high strength and corrosion resistance, which can improve hardness after annealing and tempering, good high temperature corrosion resistance and oxidation resistance, good corrosion resistance in the air, fresh water and sea water, good machinability, easy to welding, not easy to brazing, can be processed in heat pressure. To make wear resistance working in high temperature and all kinds of standard parts, such like gear, bearing, bush, circle plate, guide arm, flywheel, fixed nut, etc. It can replace high tin bronze to make important parts.
QAL10-4-4 Tube, Bar Aluminum bronze with iron, nickel, which belongs to high strength heat resistance bronze, mechanical property is stable in 400 degree centigrade, good anti-friction, good corrosion resistance in the air, fresh water and sea water, good workability in heat pressure, can heat treatment strengthen, easy to welding, not easy to brazing, good machinability. High strength wear resistance and parts working in 400 degree centigrade high temperature, such like bush, axle sleeve, gear, spherical seat, nut, flange plate, sliding seat and other important corrosion resistance parts.
QSi3-1 Plate, Strip, Bar, Foil, Wire Silicon bronze with manganese, high strength, elasticity, wear resistance, good plasticity, not brittle in low temperature, welding with bronze, steel and other alloy, especially good brazing, high corrosion resistance in the air, fresh water and sea water, stable effect on caustic soda and chloride, good resistance in cold and heat pressure processing, can not heat treatment strengthen, generally, it is used in annealing processing harden status, high yield limit and elasticity. To make all kinds of parts in corrosion medium, spring, spring parts and turbine, worm, gear, axle sleeve, brake pin, pole corrosion resistance parts, also to make parts of welding structure, which can replace the important tin bronze, even beryllium bronze.
QSi1-3 Bar Silicon bronze with manganese, nickel, high strength, relatively fine corrosion resistance, can heat treatment strengthen, after annealing, the strength and hardness improve greatly, high corrosion resistance in the air, fresh water and sea water, good welding and machinability. To make friction parts (such like machine exhaust pipe and inlet valve guide pipe) under the 300 degree centigrade, in the working condition of poor lubrication, small unit pressure and structural parts in corrosion medium.
QSi3.5-3-1.5 Tube Silicon bronze with zinc, manganese, iron, property is same with QSi3-1, but good heat resistance, small fracture tendency when storage rod, wire. Axle sleeve working in high temperature
QCr0.5 Plate, Bar, Wire High strength and hardness in general temperature and high temperature ( less than 400 degree centigrade), good electric conductivity, heat conductivity, good wear resistance, anti-friction, after harden treatment, the strength, hardness, electric conductivity, heat conductivity improve greatly, easy to welding and brazing, good corrosion resistance in the air and fresh water, good high temperature oxidation resistance, can be processed in heat and cold pressure, but the demerit is strong sensibility for gap, it gets stress concentration at the gap and sharp corners, which leads to the loss of machinery. So it is not suitable to make segment. To make electric welding machine electrode, electric machine segment and all kinds of parts working in high temperature, high strength, hardness, electric conductivity, heat conductivity in 350 degree centigrade, it is also used in brake disc and circle plate.
QCr0.5-0.2-0.1 Plate, Bar Chrome bronze with little magnesium, aluminum, compared with QCr0.5, it not only improves heat and corrosion resistance, but also perfects sensibility of the gap, its property is similar to QCr0.5. To make electrode on the electric machine, seam welder, and so on.
QCr0.6-0.4-0.05 Bar Chrome bronze with little pickaxe, magnesium, compared with QCr0.5, it can improve the strength, hardness, heat resistance of alloys further, it has feature of good electric conductivity at the same time. The same with QCr0.5
QMg0.8 Wire This is copper alloy whose magnesium is between Wmg0.7 percent and 0.85 percent. Trace Mg reducing copper has few electric conductivity, but has deoxidization for copper, also improves high temperature oxidation resistance of copper. Practical copper-magnesium alloy, whose Mg element is Wmg less than 1 percent, if too high, the pressure processing property will turn bad sharply. This kind of alloy is only for harden processing, not for heat treatment strengthen. It is mainly used in core of cable and other guide line material.

Cupronickel

Alloy Code Name Variety Main Character Application Examples
BFe10-1-1 Plate, Tube It is structural iron cupronickel with little nickel, compared with BFe30-1-1, low strength, hardness, high plasticity, similar corrosion resistance. It is mainly used in ship industry replace of BFe30-1-1 to make condenser and other corrosion resistance parts.
BFe30-1-1 Plate, Tube It is structural copper nickel alloy, with good mechanical property, high corrosion resistance in the sea water, fresh water and steam, but poor workability. It is used to make condenser and panel of thermostat working in high temperature, high pressure and high speed of sea boat manufacturer industry
BZn15-20 Plate, Strip, Foil, Tube, Bar, Wire It is structural copper nickel alloy, due to its appearance is beautiful silver white, it is called Germany silver (originally, it is Chinese silver), this alloy has feature of high strength and corrosion resistance, good plasticity, can be processed in heat and cold pressure, poor workability and welding, the elasticity is better than QSn6.5-0.1. It is used in instrument parts and medical instrument, industrial appliance, industrial vessel, artwork, telecom industry parts, steam parts, water tube parts, daily necessities, bourdon tube, reed in the condition of humid and strong corrosion medium.