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• Available from 0.5 mm to 12.7 mm size
In Sheath : SS-304, SS-310, SS-316, SS-321, SS-446, Inconel-600, Incaloy-800 etc.
T/C Type : 'J' 'K' 'T' 'E' 'R' 'S' - Simplex / Duplex / Triplex.
RTD Cable : 2 Core, 4 Core, 6 Core.

• Selection of Suitable Sheath Quality
AISI 321
Corrosion and heat resistance: This material possesses excellent resistance to a number of aggressive media including hot crude oil products, steam and combustion gases When operated in air it is oxidation resistant up to 900°C and with temperature variation resistant up to 800°C. It is resistant to carbon dioxide up to 650°C.

Welding and mechanical properties: suitable for all the know welding techniques. It is alloyed with Ti, a carbide former, and is thus resistant to grain disintegration in accordance with DIN 50914.Consequetly, irrespective of the cross section no heat-treatment is required subsequent to welding. The material is highly ductile. Machine-cutting may only be performed with very sharp tools otherwise work hardening of the surface occurs making further processing difficult.

Field of application: Nuclear power (also liquid sodium),reactor instrumentation, construction of chemical instruments(highly resistant), in the production of acetyl acid and nitric acid heat exchangers, annealing furnaces, and textile industry, crude oil refinement and petrochemistry, fat and soap industry, food processing, dairy and fermentation work.

AISI 316 Ti / AISI 316
Corrosion and heat resistance: Addition of molybdenum make these steels superior to molybdenum-free types as regards increased corrosion resistance to certain acid such as acetic acid, phosphoric acid , sulphuric acid and other similar acids. Further more these steels are more or less insensitive to pitting corrosion and withstand salt-water and aggressive industrial media. They can be used in continuous operation in air up to approx. 900°C and with temperature variation up to 800°C.

Welding and mechanical properties: Suitable for all the known welding techniques, Heat- temperature subsequent to welding is generally not necessary. In special circumstances when stresses from welding should be reduced to avoid stress-corrosion-cracking heat temperature should be conducted (e.g. ½ h at 900°C). Highly ductile. As with 1.4541 only when sharp tools should be used for machine cutting. The steels can be polished.

Field application: Due to its high level of resistance to corrosion and pitting corrosion this alloy is highly suited to application in the field of chemical instrument construction. Other fields are : nuclear power plants , reactor instrumentation , furnace construction , sulphite chemical pulp , textile , dye , fatty acid, photochemical and pharmaceutical industries.

AISI 304L
Corrosion and heat resistance: This steel is also highly resistance to number of aggressive media e.g. crude oil products, steam, combustion gases, colouring agents and liquid sodium. In contrast to alloys such as 1.4301 it is less prone to intercrystalline corrosion due to the lower carbon contents. It can be subjected to continuous operation in air upto 900°Cand under temperature variation up to 800°C.

Welding and mechanical properties: Suitable for all the known welding techniques, Heat- temperature subsequent to welding is generally not necessary. In special circumstances when stresses from welding should be reduced to avoid stress-corrosion-cracking heat temperature should be conducted (e.g. ½ h at 900°C). Highly ductile. As with 1.4541 only when sharp tools should be used for machine cutting. The steels can be polished.

Field application: Nuclear Power plants, construction of chemical equipment, textile and paper industries, fat, soap, and nitric acid industries, food processing, dairy and brewery works.

AISI 310
Corrosion and heat resistance: Excellent Corrosion resistance. Can be operated in an atmosphere with carbon dioxide content upto 900°C. Resistance to concentrated nitric acid at 200°C and molten nitrates upto 420°C. Continuous operation in air upto approx. 1150°C and with temperature variation up to approx. 1000°C. Not recommended - the use of the material in continuous operation between 550°C and 850°C because the material has a tendency to aphase precipitation and is constantly brittle after cooling, to room temperature.

Welding and mechanical properties:
Arc welding techniques are used on this material. Neither pre-heating nor heat treatment, subsequent to welding are required. Perfect for hot and cold working processes. Following hot or cold work heat treatment is recommended (1150°C - 1100°C, cooling in water or in air) Machine cutting can be performed providing high quality tools are used and the correct cutting conditions are selected. Hard metal tools are recommended.

Field application: In all fields where excellent scaling resistance and simultaneous hot tensile strength are of advantage. The high NI content results in sensitivities to furnace gases with a sulphur contents, in particular in reducing atmospheres. Particularly in : nuclear power plants, crude oil and petrochemistry, furnace construction, heat exchanger , air preheaters, cement kilns , brick kilns and glass works.

INCONEL 600
Corrosion and heat resistance : Highly resistance to general corrosion and stress-corrosion-cracking. The limit for use in carbon dioxide is around 500°C, as from 650°C corrosion increases drastically. Inconel 600 should not be used in liquid sodium above 750°C because higher temperatures above 550°C in a S-containing atmosphere. Can be operated in water free of CI up to 590°C

Welding and mechanical properties : suitable for all known welding techniques. Annealing should precede welding. Suitable for brazing and soldering. Very high ductile. Inconel 600 is a high nickel content alloy thus exhibiting excellent mechanical properties at higher temperature. The material is soft and robust and facilitates machining-cutting providing it is not machined in the annealed condition but in the rolled conditioned.

Field application : Standard material for the construction pf PWR plants , nuclear power plants, furnace construction, man-made fibre production, synthetic material, production paper industries, food processing, steam boilers, column stills, aircraft engines.

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