Shree Extrusions Limited Jamnagar, Gujarat

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Beryllium Chromium Copper

Industrial Chromium Copper

Industrial Chromium Copper

Approx. Rs 480 / Kilogram


Industrial Chromium Copper is the copper alloy that is less sticky and resists deformation in comparison to other copper chromium alloys. The alloy is mainly used in cap style resistance welding electrodes and is highly recommended for cold as well as hot rolled spot and seam welding.

Chromium Copper

Chromium Copper

Approx. Rs 480 / Kilogram


Chromium Copper is the copper alloy that is less sticky and resists deformation in comparison to other copper chromium alloys. The alloy is mainly used in cap style resistance welding electrodes and is highly recommended for cold as well as hot rolled spot and seam welding.

Copper Chromium Nickel Silicon C18000

Copper Chromium Nickel Silicon C18000

Approx. Rs 480 / Kilogram


The C18000 Copper Chromium Nickel Silicon is the copper base alloy which is heat treatable, high in strength and conductivity. The properties of this alloy can fairly be obtained after its heat treatment. The alloy is rich on properties like high hardness, strength and wears resistance with relatively high electrical and thermal conductivity.

Applications:
Chemical Composition:

CrCuFeNiSi
Min/Max0.10 - 0.8Rem0.151.8 - 3.00.4 - 0.8
Nominals0.45--2.40.6

Technical Specifications:

Product PropertyUS CustomaryMetric
Coefficient of Thermal Expansion9.7 ppm/°F (17.5 ppm/°C)
Coefficient of Thermal Expansion
Density.318 lb/in3 (8.81 g/cm3)
Electrical Conductivity45% IACS (26 MS/m) minimum
Electrical Resistivity
Melting Point Liquid US
Melting Point Solid US1900°F (1040°C)
Modulus of Elasticity in Tension18.5x106 psi (128 Gpa)
Modulus of Rigidity
Specific Gravity
Specific Heat Capacityat 70°F (20°C) - 0.092 BTU/lb-F (385 J/kg K)
Thermal Conductivityat 212°F (100°C) - 120 BTU/hr ft °F (208 W/m K)

Copper Chromium Zirconium C18150

Copper Chromium Zirconium C18150

Approx. Rs 480 / Kilogram


The Copper Chromium Zirconium C18150 is the copper alloy that is less sticky and resists deformation in comparison to other copper chromium alloys. The alloy is mainly used in cap style resistance welding electrodes and is highly recommended for cold as well as hot rolled spot and seam welding.

Applications:
Chemical Composition:

CrCuZr
Min/Max0.5 - 1.5Rem0.05 - 0.25
Nominals198.90.1

Fabrication:

Joining TechniqueSuitability
Machinability Rating20

Technical Specifications:

Product PropertyUS CustomaryMetric
Coefficient of Thermal Expansion9.5 ·10-6 per oF (68-572 F)16.45 · 10 6? per °C (20-200 C)
Density0.321 lb/in3 @ 68 F8.89 gm/cm3 @ 20 C
Electrical Conductivity80 %IACS @ 68 F0.464 MegaSiemens/cm @ 20 C
Melting Point Liquid US1976 F1080 C
Melting Point Solid US1958 F1070 C
Modulas of Elasticity in Tension17000 ksi117200 MPa
Specific Gravity8.898.89
Thermal Conductivity187.0 Btu · ft/(hr · ft2 ·°F) @ 68 F323.9 W/m · °K at 20 C

Chromium Copper C18200

Chromium Copper C18200

Approx. Rs 480 / Kilogram


The C18200 Chromium Copper is high on conductivity copper alloy that has properties for both cold as well as heat treatment. The alloy is high in strength and hardness and is resistant towards softening at high temperatures. The alloy is mainly used for electrical welding applications where deformation resistance is required at high temperatures.

Applications:
Technical Specifications:

End ProductSpecification
BarMILITARY MIL-C-19311
ForginsMILITARY MIL-C-19311
RodMILITARY MIL-C-19311
StripMILITARY MIL-C-19311
Wire, SoftASTM F9

Chemical Composition:

CrCuFePbSi
Min/Max0.6 - 1.2Rem0.10.050.1
Nominals0.999.1---

Fabrication:

Joining TechniqueSuitability
BrazingGood
Butt WeldFair
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedGood
Coated Metal Arc WeldingNot Recommended
Forgeability Rating80
Gas Sheilded Arc WeldingGood
Machinability rating20
Oxyacetylene WeldingNot Recommended
Seam WeldNot Recommended
SolderingGood
Spot WeldNot Recommended

Physical Properties:

Product PropertyUS CustomaryMetric
Coefficient of Thermal Expansion9.8 · 10 6? per °F (68-212 F)17.6 · 10 6? per °C (20-300 C)
Density0.321 lb/in3 @ 68 F8.89 gm/cm3 @ 20 C
Electrical Conductivity80 %IACS @ 68 F0.468 MegaSiemens/cm @ 20 C
Electrical Resistivity13.0 ohms-cmil/ft @ 68 F2.16 microhm-cm @ 20 C
Melting Point Liquid US1967 F1075 C
Melting Point Solid US1958 F1070 C
Modulas of Elasticity in Tension17000 ksi117000 MPa
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    Shree Extrusions Limited

    Jamnagar, Gujarat, India

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