JLC 400 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.
JLC 500 is a precipitation hardened alloy. It is essentially similar to JLC 400, 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 JLC 400, but also that require increased strength, hardness, and non-magnetic characteristics.
| Alloy | British Standard | Werkstoff Nr | UNS designation |
|---|---|---|---|
| JLC 400 | BS 3072-3076 (NA13) | 2.4360 | N04400 |
| JLC 500 | BS 3072-3076 (NA18) | 2.4375 | N05500 |
| Alloy | Ni | Mn | Fe | Si | Cu | C | Al | Ti |
|---|---|---|---|---|---|---|---|---|
| JLC 400 | Min 63 | Max 1.25 | 1.0- 2.5 | Max 0.50 | 28-34 | Max 0.15 | Max 0.50 | Max 0.20 |
| JLC 500 | Min 63 | Max 1.50 | Max 2.0 | Max 0.50 | 27-33 | Max 0.15 | 2.30-3.15 | 0.30-0.85 |
| Alloy | Density | Thermal Conductivity |
Thermal Linear Expansion Coeff. (20-95 °C) |
Electrical Resistivity at 20°C |
|---|---|---|---|---|
| g/cm³ | W/m K | 10-6/K | µΩ-cm | |
| JLC 400 | 8.80 | 21.8 | 13.9 | 51 |
| JLC 500 | 8.45 | 17.5 | 17.5 | 60 |
| Alloy | Tensile strength N/mm² |
Elongation % at L0=100 mm |
||
|---|---|---|---|---|
| Min | Max | Min | Max | |
| JLC 400 | 450 | 650 | 20 | 30 |
| JLC 500 | 890 | 950 | 20 | 30 |
| Form | Dia | Width | Thickness |
|---|---|---|---|
| mm | mm | mm | |
| Wire | 0.12-10.0 | - | - |
| Strip | - | 8-100 | ≥ 0.10 |
| Bar | 12.0-60.0 | - | - |
Applications
JLC 400 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.
JLC 500 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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