310

25% Cr-20% Ni stainless steel. Strong and resistive to oxidation up to about 1100 °C otherwise similar to 304L. Essentially a high-temperature material but not specified for wet conditions.

310S

As 310 but with lower carbon content. Not subject to weld decay

Applications

Type 310 finds primary utilization in applications requiring excellent heat and oxidation resistance and where superior strength is a must. Common applications are found in the aircraft industry for engine parts and parts requiring welding, oil refinery equipment, heat exchangers and furnace parts, etc.

Corrosion Resistance

This grade possesses excellent corrosion resistance and withstands scaling at temperatures up to 1093° C. Its corrosion resistance reaches a maximum in the annealed condition. Please contact us with your requirements.

316

Similar to 304 (17%Cr-9%Ni) with the addition of 3% molybdenum. Suitable for wet, corrosive applications (sea water) as it is more resistant to local and general corrosion than 304 and 321/347.

Its performance on hot, dry applications is slightly inferior to 304L.

316L

Same as 316 but with a lower concentration of carbon. 316L is immune to sensitisation. It has better weld properties but lower strength at high temperatures than 316

316Ti

316Ti is resistant to weld decay similarly to 316L but loses stabilising additive (Ti) during welding.

Applications

Type 316 and Type 316L find their greatest use in the chemical, textile, paper, pharmaceutical, and photographic industries because of their excellent resistance to chemical corrosion. They also find use where the combination of corrosion resistance and extremely high strength at elevated temperatures is necessary.

Corrosion Resistance

Type 316 is known to be more resistant to atmospheric and chemical corrosion than any other grade of stainless steel. Maximum corrosion resistance may be obtained by fully anneal­ing this alloy. If the application calls for welding, Type 316L should be used as it is highly resistant to carbide precipitation and intergranular corrosion. Which usually occurs at high temperatures.

321

Similar to 304 (18%Cr-10%Ni) but with Titanium added as a stabiliser.

Titanium prevents sensitisation & weld decay. 321 loses stabilising additive (Ti) during welding.

Applications

Type 321 is used principally for applications involving welding or sustained elevated tem­perature operations where re-annealing is not practical, It is used extensively in the aircraft and missile industries for engine parts, heat exchangers, exhaust stacks, rocket engines, manifolds, etc.

Corrosion Resistance

This alloy is extremely resistant to intergranular corrosion and has very good corrosion resis­tance in weld areas. It has slightly less corrosion resistance to atmospheric conditions than Type 302 or Type 304 in the annealed condition. Please contact us with your requirements.

600

Inconel 600 is a Nickel-Chromium-Iron alloy with very good oxidation resistance and strength at high temperatures (up to 1150 °C).

Do not use in sulphur atmospheres higher than 550 °C (use 310 instead).

Applications

Inconel is often encountered in extreme environments. It is common in gas turbine blades, seals, and combustors, as well as turbocharger rotors and seals, electric submersible well pump motor shafts, high-temperature fasteners, chemical processing and pressure vessels, heat exchanger tubing, steam generators and core components in nuclear-pressurized water reactors,[16] natural gas processing with contaminants such as H2S and CO2,

Corrosion Resistance

Inconel alloys are oxidation and corrosion-resistant materials well suited for service in extreme environments subjected to pressure and heat. When heated, Inconel forms a thick, stable, passivating oxide layer protecting the surface from further attack.

601

Inconel 601 is a Nickel-chromium-iron alloy with the addition of aluminium. Very good oxidation resistance and strength at high temperatures (up to 1250 °C).

Do not use in sulphur atmospheres higher than 550 °C (use 310 instead).  

Applications

Inconel is often encountered in extreme environments. It is common in gas turbine blades, seals, and combustors, as well as turbocharger rotors and seals, electric submersible well pump motor shafts, high-temperature fasteners, chemical processing and pressure vessels, heat exchanger tubing, steam generators and core components in nuclear-pressurized water reactors,[16] natural gas processing with contaminants such as H2S and CO2,

 Corrosion Resistance

Inconel alloys are oxidation and corrosion-resistant materials well suited for service in extreme environments subjected to pressure and heat. When heated, Inconel forms a thick, stable, passivating oxide layer protecting the surface from further attack. Please contact us with your requirements.

825

Incoloy 825 is a Nickel-chromium-iron alloy. Very good corrosion resistance in both oxidising and reducing media at temperatures up to 540°C.

Applications

The resistance of INCOLOY alloy 825 to general and localized corrosion under diverse conditions gives the alloy broad usefulness. Applications include chemical processing, pollution control, oil and gas recovery, acid production, pickling operations, nuclear fuel reprocessing, and handling of radioactive wastes. 

Corrosion Resistance

The outstanding attribute of INCOLOY alloy 825 is its high level of corrosion resistance. In both reducing and oxidising environments, the alloy resists general corrosion, pitting, crevice corrosion, intergranular corrosion, and stress-corrosion cracking. Some environments in which INCOLOY alloy 825 is particularly useful are sulfuric acid, phosphoric acid, sulfur-containing flue gases, sour gas and oil wells, and seawater.

Nicrobell is a nickel-chromium alloy with 1.4% of silicon which provides high oxidation resistance and strength at temperatures up to 1250°C.

The similarity of the chemical composition of Nicrobell sheath and type N conductors reduces the potential for the diffusion of elements between the alloys resulting in a reduced change in EMF output. The lack of Manganese and Aluminium in Nicrobell and type N alloys also prevents cross-contamination of the thermocouple legs and subsequent thermocouple degradation over time. This ensures better stability of EMF output of thermocouples type N in Nicrobell compared to type K in 310 stainless steel sheath

Nicrobell also has good resistance and exhibits freedom from microstructural degradation in nitrogen-based atmospheres due to the absence of such alloying elements as Niobium or Aluminium, that form internal nitrides. This reduces the risks of thermocouple failure due to the sheath embrittlement caused by nitridation.

Nicrobell® is a trademark of MICC Ltd, it is fundamentally the same specification as the formally made by Tyco Pyrosil material.

Please contact us with your requirements.