Vung Tau Materials Joint Stock Company

Product

Alloy No.

Dimension (mm)

Copper bar, wire rod: Round, square, rectangular, hexagon, profile copper tube

Copper busbar, tape, tinned copper bar

C1020, C1100

Rectangle Bar:

Thickness: 2.5~100

 Width: 9.53~260

Round Bar:

Overall diameter: 1~300

Square Bar :

Dimension: 6.35~100

Hexagon Bar :

Dimension: 6.35~100

Tube:

Internal Dia.: 0.5~100

Outer Dia.: 5~300

Brass bar

C2600, C2700, C2800, C3602, C3604, C3712, C3771, C4622, C4641, C6782, C6783

Beryllium copper

C17200, C17300, C17500, C17510

Copper tin nickel (Toughmet)

C72900, C96900, C96970

Phosphor bronze, Nickel silver

C5441, C7521, C7541, C19150, C19160, C79200, C79400

Copper anode

0020, C1100, 0201,0220

Oval:

Dimension: 80x30

 Bar :

Thickness: >10

Width: 100~260

Nugget :

Dimension: 012x12, 016x16, 020x25, 025x25

Sphere, Ball :

Diameter: 015, 025, 028,038, 050, 055

Or by request.

Copper

C1100, C1201, C1220, C1441, C151, C194

Thickness: 0.05~6 mm Width: 5~1200 mm

Length: 10~2400 mm x Coil

Brass

C2400, C2600, C2680, C2720, C2801, C3604

Beryllium copper

C17200, C17410, C17510

bronze

C5102, C5191, C5210, C7521, C7541, C7701

Copper nickel, Nickel silver

CN25, C7451, C7521, C7541, C7701

Copper

C1100, C1201, C1220, C1441, C151, C194

Thickness: 0.05~6 mm Width: 5~1200 mm

Length: 10~2400 mm x Coil

Brass

C2400, C2600, C2680, C2720, C2801, C3604

Beryllium copper

C17200, C17410, C17510

bronze

C5102, C5191, C5210, C7521, C7541, C7701

Copper nickel, Nickel silver

CN25, C7451, C7521, C7541, C7701

Name

Alloy No.

Specific character and examples of use

Chemical composition (%)

Oxygen free copper

C1020

Having good electrical and heat conductivity, workability, and also having good weld-ability, corrosion and weathering resistance.

Applicable to electrical use, chemical industries, etc.

Cu: 99.96 min.

Tough-pitch copper

C1100

Having excellent electrical and heat conductivity. Also having good workability, drawability and corrosion and weathering resistance.

Applicable to electrical use, chemical industry, etc.

Cu: 99.90 min.

Phosphorus

deoxidized

copper

C1201

Having good workability, drawability, weldability, corrosion and weathering resistance, and thermal conductivity.

CI220 is free form hydrogen embrittlement when heated at elevated temperature in reducing atmosphere.

C1201 has better electric conductivity than the conductivity C1220 and C1221 have. Applicable to bath boiler, kettle, gasket, building, chemical industry, etc.

Cu: 99.90 min, P: 0.004<P<0.015

C1220

Cu: 99.90 min, P: 0.015~0.040

High

performance

alloy

C1441

High electric conductivity (90% IACS), good heat conductivity, anti-corrosion, goodplating.

Applications: Widely applicable to transistor, POWER IC lead frame, automobile water tank, radiator fin, electric switch, relay, etc.

Sn: 0.10~0.20, P: 0.003~0.024, Cu: Còn lại / Rem.

Zirconium Bearing Oxygen Free Copper

C151

The highest heat resistance, excellent wire-bondability and resin adhesion. Application: Lead frames for semiconductor devices.

Cu+Zr: > 99.96, Zr: 0.05~0.15

Copper beryllium alloy for spring

C1700

(C17000)

Having good corrosion resistance, high workability before age-hardening treatment, improved fatigue endurance and electric conductivity after age­hardening treatment. The age-hardening treatment shall be conducted after forming process excepting mill-hardened materials.

Applicable to high quality spring, spring for relay and other electrical apparatus, microswitch, diaphragm, bellows, fuse-clip, connector, socket, etc.

Be: 1.60~1.79, Ni+Co: 0.20 min, Ni+Co+Fe: 0.6 max, Cu+Be+Ni+Co+Fe: 99.5 min.

C1720

(C17200)

Be: 1.80~2.00, Ni+Co: 0.20 min, Ni+Co+Fe: 0.6 max, Cu+Be+Ni+Co+Fe: 99.5 min.

C17300

High Copper Alloy. Beryllium Coppers are available in ductile, heat treatable tempers and in mill hardened tempers. Alloys are used in a wide range of applications requiring very high strength and stiffness with good conductivity. CI7300 can develop more than 200 ksi (1380MPa) tensile strength.

Applications: Typical uses include electrical/electronic connectors, current­carrying springs, precision screw machined parts, welding electrodes, bearings, plastic molds and corrosion resistant components.

Al: 0.2 max, Be: 1.8~2.0, Pb: 0.2~0.6, Si: 0.2 max, Cu: Còn lại / Balance

Beryllium

copper

C17410

High Copper Alloy. Beryllium Coppers are available in ductile, heat treatable tempers and in mill hardened tempers. Alloys are used in a wide range of applications requiring very high strength and stiffness with good conductivity. C17410 has conductivity of about 50% IACS and moderate strength. Applications: Typical uses include electrical/electronic connectors, current­carrying springs, precision screw machined parts, welding electrodes, bearings, plastic molds and corrosion resistant components.

Al: 0.2 max, Be: 0.15~0.50, Co: 0.36~0.60, Fe: 0.2 max,

Si: 0.2 max, Cu: Còn lại / Balance

C17500

Be: 0.4~0.7, Co: 2.4~2.7,

Fe: 0.1 max, Cu: Còn lại / Balance

C17510

Al: 0.2 max, Be: 0.2~0.6,

Co: 0.3 max, Fe: 0.1 max,

Ni: 1.4~2.2, Cu: Còn lại / Balance

Copper chromium nickel silicon

C18000

C18000 copper chromium nickel silicon is a Beryllium Free alloy alternative to

Cr: 0.1~0.8, Fe: 0.15 max, Ni: 1.8~3.0, Si: 0.4~0.8,

C17500 & C17510 (Beryllium copper). This alloy exhibits good electrical and thermal conductivity, with moderate strength and hardness. Typical applications include resistance welding (RWMA Class 3) electrodes, plastic injection and blow mold cores and cavities.

Cu: Còn lại / Rem.

Cu-Fe alloy

C194

Alloy CI94 is a high performance copper alloy used worldwide. Developed by Olin in I964, the alloy continues to be used for a variety of applications including automotive and electrical connectors, semiconductor leadframes, sockets, and mass terminations. CI94 combines good electrical and thermal conductivity with high strength, good solderability, and plateability. These properties make CI94 the alloy of choice to replace copper and brass for enhanced performance.

Fe: 2.0~2.3, P: 0.02~0.04,

Zn: 0.05~0.15, Cu: Còn lại / Balance

Red brass

C2400

Having fine gloss, good workability, drawability and corrosion resistance. Applicable to building, personal accessories, cosmetic case, etc.

Cu: 78.5~81.5, Pb: 0.05 max,

Fe: 0.05 max, Zn: Còn dư / Residual

C2600

Having excellent workability, drawability and also suitable for plating. Applicable to deep drawing work such as automobile radiator and others.

Cu: 68.5~71.5, Pb: 0.05 max,

Fe: 0.05 max, Zn: Còn dư / Residual

C2680

Having excellent workability, drawability and good properties on plating. Applicable to deep drawing work such as snap button, camera, thermos bottle, and automobile radiator, wiring appliance, etc.

Cu: 64.0~68.0, Pb: 0.05 max,

Fe: 0.05 max, Zn: Còn dư / Residual

Brass

C2700

Having good cold forge-ability and rolling threadability. Applicable to machineparts, electrical parts, etc.

Cu: 63.0~67.0, Pb: 0.05 max,

Fe: 0.05 max, Zn: Còn dư / Residual

C2720

Having good workability, cold forgeability, and thread rolling. Applicable to rivet, machine screw, pin, needle, spring, wire netting, etc.

Cu: 62.0~64.0, Pb: 0.07 max,

Fe: 0.07 max, Zn: Còn dư / Residual

C2800

Having higher strength and better workability than those of C2600, C2700 and C2720.

    Applicable to welding rod, rivet, etc.

Cu: 59.0~63.0, Pb: 0.10 max,

Fe: 0.07 max, Zn: Còn dư / Residual

C2801

Having high strength and moderate workability. Applicable to parts of wiring appliance in a taste as punched or bent, name plate, instrumentpanel, etc.

Cu: 59.0~62.0, Pb: 0.10 max,

Fe: 0.07 max, Zn: Còn dư / Residual

Leaded brass

C3602

Having excellent machinability. C3602 have good workability.

Applicable to bolts, nuts, machine screws, spindles, gears, valves, lighter, clock and watch, camera parts, etc.

Cu: 59.0~63.0, Pb: 1.8~3.7, Fe: 0.50 max, Fe+Sn: 1.20 max, Zn: Còn dư / Residual

C3604

Cu: 57.0~61.0, Pb: 1.8~3.7, Fe: 0.50 max, Fe+Sn: 1.20 max, Zn: Còn dư / Residual

C4622

Cu: 61.0~64.0, Pb: 0.30 max, Fe: 0.20 max, Sn: 0.7~1.5, Zn: Còn dư / Residual

Naval brass

C4641

Having good corrosion resistance, especially marine water-proof property. Applicable to ships parts, shaft, etc.

Cu: 59.0~62.0, Pb: 0.50 max, Fe: 0.20 max, Sn: 0.5~1.0, Zn: Còn dư / Residual

Forging brass

C3712

Having good hot forgeability. Applicable to precision forging, machine parts, etc.

Cu: 58.0~62.0, Pb: 0.25~1.2, Fe+Sn: 0.8 max,

Zn: Còn dư / Residual

C3771

Having good hot forgeability and machinability. Applicable to valves, machine parts, etc.

Cu: 57.0~61.0, Pb: 1.0~2.5, Fe+Sn: 1.0 max,

Zn: Còn dư / Residual

High strength brass

C6782

Having high strength, good hot forgeability and corrosion resistance. Applicable to propeller shaft, pump shaft, for ship use, etc.

Cu: 56.0~60.5, Pb: 0.50 max, Fe: 0.1~1.0, Zn: Còn dư / Residual, Al: 0.2~2.0, Mn: 0.5~2.5

C6783

Cu: 55.0~59.0, Pb: 0.50 max, Fe: 0.2~1.5, Zn: Còn dư / Residual, Al: 0.2~2.0, Mn: 1.0~3.0

Phosphor bronze

C5102

Having good workability, fatigue resistance and corrosion resistance. Applicable to spring, switch, lead frame, connector, diaphragm, bellows, fuse clip, sliding piece, bearing, bushing, percussion instrument, electronic and electric apparatus, ect.

Sn: 4.5~5.5, P: 0.03~0.35, Cu+Sn+P: 99.5 min.

C5191

Sn: 5.5~7.0, P: 0.03~0.35, Cu+Sn+P: 99.5 min.

Phosphor bronze for srping

C5210

Having good workability, fatigue endurance and corrosion resistance. Especially, suitable for high quality spring because of low temperature anneal. Temper grade SH is applicable to leaf spring hardly processed by bending. Applicable to spring of switch, connector, relay, ect. For electronic, communication, information, electric measuring instruments and apparatus.

Pb: 0.05 max, Fe: 0.10 max,

Sn: 7.0~9.0, Zn: 0.20 max,

P: 0.03~0.35, Cu+Sn+P: 99.7 min.

Forging brass

C3712

Having good hot forgeability. Applicable to precision forging, machine parts, etc.

Cu: 58.0~62.0, Pb: 0.25~1.2, Fe+Sn: 0.8 max,

Zn: Còn dư / Residual

C3771

Having good hot forgeability and machinability. Applicable to valves, machine parts, etc.

Cu: 57.0~61.0, Pb: 1.0~2.5, Fe+Sn: 1.0 max,

Zn: Còn dư / Residual

High strength brass

C6782

Having high strength, good hot forgeability and corrosion resistance. Applicable to propeller shaft, pump shaft, for ship use, etc.

Cu: 56.0~60.5, Pb: 0.50 max, Fe: 0.1~1.0, Zn: Còn dư / Residual, Al: 0.2~2.0, Mn: 0.5~2.5

C6783

Cu: 55.0~59.0, Pb: 0.50 max, Fe: 0.2~1.5, Zn: Còn dư / Residual, Al: 0.2~2.0, Mn: 1.0~3.0

Phosphor bronze

C5102

Having good workability, fatigue resistance and corrosion resistance. Applicable to spring, switch, lead frame, connector, diaphragm, bellows, fuse clip, sliding piece, bearing, bushing, percussion instrument, electronic and electric apparatus, ect.

Sn: 4.5~5.5, P: 0.03~0.35, Cu+Sn+P: 99.5 min.

C5191

Sn: 5.5~7.0, P: 0.03~0.35, Cu+Sn+P: 99.5 min.

Phosphor bronze for srping

C5210

Having good workability, fatigue endurance and corrosion resistance. Especially, suitable for high quality spring because of low temperature anneal. Temper grade SH is applicable to leaf spring hardly processed by bending. Applicable to spring of switch, connector, relay, ect. For electronic, communication, information, electric measuring instruments and apparatus.

Pb: 0.05 max, Fe: 0.10 max,

Sn: 7.0~9.0, Zn: 0.20 max,

P: 0.03~0.35, Cu+Sn+P: 99.7 min.

MoldMAX

MOLDMAX HH

MoldMAX HH (High Hard) is the premier copper alloy. This alloy has a hardness and strength comparable with standard tool steels but its thermal conductivity is at four to six times higher. MoldMAXHH is used for injection mold cores and cavities and blow mold pinch-offs. Its high hardness provides durability in applications where other high conductivity copper alloys fail. The alloy resists galling against other mold alloys, including itself.

Be: 1.6~2.0, Co: 0.2~0.3, Cu: Còn lại / Balance

MOLDMAX SC (PROtherm)

MoldMAX SC is a high conductivity copper mold alloy with good strength. MoldMAX SC is used as blow mold cavities, injection mold cores and cavities and hot runners. The alloy provides excellent toughness, and the highest conductivity of any alloy with tensile strength in excess of 100,000psi.

Be: 1.4~2.2, Co: 0.2~0.6, Cu: Còn lại / Balance

MoldMAX

MOLDMAX XL

MoldMAX XL is a high strength copper mold alloy with good thermal conductivity. The alloy contains no beryllium and is available in sections as large as 12" thickness. The alloy’s hardness is comparable with mold cores and cavities. The alloy provides excellent toughness, wear resistance and surface finish. MoldMAX XL typically machines faster than tool steels, and with appropriate machine tools, metal removal rates several times higher can be obtained.

Ni: 8.5~9.5, Sn: 5.5~6.5, Cu: Còn lại / Balance

MOLDMAXV

MoldMAX V (MMV) is a high conductivity, moderately high strength, copper nickel silicon chromium alloy. Applications include injection mold and blow mold cores and cavities.

Ni: 6.5~7.5, Si: 1.5~2.5,

Cr: 0.6~1.2, Cu: Còn lại / Balance