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Nickel-Copper Alloys

CX400 is a nickel-copper, solid-solution alloy that offers good strength and toughness over a wide temperature range, including sub-zero temperatures. It provides excellent corrosion resistance and is also resistant to stress corrosion cracking and pitting in most industrial and fresh waters. As a result it is widely used in marine and chemical industries.
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CX400 is a nickel-copper, solid-solution alloy that offers good strength and toughness over a wide temperature range, including sub-zero temperatures. It provides excellent corrosion resistance and is also resistant to stress corrosion cracking and pitting in most industrial and fresh waters. As a result it is widely used in marine and chemical industries.

CX500 is a precipitation hardened alloy. It is essentially similar to CX400, but with minor additions of aluminum and titanium to the nickel-copper matrix. The resulting precipitates of Ni3(Ti, Al) impart high strength and hardness to the alloy. Another attractive property of this alloy is that it has low magnetic permeability and is practically non-magnetic, even at very low temperatures. As a result of these highly desirable properties, this alloy finds use in applications that demand not only the excellent corrosion resistance offered by CX400, but also that require increased strength, hardness, and non-magnetic characteristics.

Nominal Chemical Composition (%)化学成份

Alloy合金

Ni镍

Mn锰

Fe铁

Si硅

Cu铜

C碳

Al铝

Ti钛

 CX400蒙乃尔400

66

Max 最大1.25

1.0- 2.5

Max 最大0.50

28-34

Max最大 0.15

Max 最大0.50

Max最大 0.20

CX500蒙乃尔500

70

Max 最大1.50

Max最大 2.0

Max 最大0.50

27-33

Max最大 0.15

2.30-3.15

0.30-0.85

Physical Properties (at room temperature)

Alloy物理性质(室温)

Density密度

Thermal 
Conductivity热导电率

Thermal Linear
Expansion Coeff.热线性膨胀系数
(20-95 °C)

Electrical Resistivity
at 20°C电阻率

g/cm³

W/m K

10-6/K

µΩ-cm

CX400蒙乃尔400

8.80

21.8

13.9

51

CX500蒙乃尔500

8.45

17.5

17.5

60

Mechanical Properties (for cold drawn annealed wire)

机械性能(用于冷拔退火线)

Alloy合金

Tensile strength
N/mm²抗拉强度

Elongation延伸率
% at L0=100 mm

Min最小

Max最大

Min最小

Max最大

CX400蒙乃尔400

450

650

20

30

CX500蒙乃尔500

890

950

20

30

Size Range尺寸范围

Form

Dia直径

Width宽度

Thickness厚度

mm

mm

mm

Wire圆丝

0.04 - 12.0

-

-

Ribbon扁丝

-

2.0

≥ 0.08


Applications:

CX400 typical applications include springs, valves, pumps, propeller shafts, electrical and electronic components, to name a few. It is used as wire mesh and filters for chemical and pertrochemical industry, for connecting braids of heating elements, and for mechanical applications in cold-headed parts and fasteners. Another application is for welding core wires and MIG/TIG wires. This alloy is widely used in lamp industry as a fuse wire in lead-in-wires for lamps.

CX500 finds use in several industries such as chemical, oil and gas, medical, and marine. Typical applications include springs, valves, fasteners, pumps shafts, oil-well drilling collars, surgical blades, non-magnetic housings, sensors, and electronic components, etc.


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