904L (UNS N08904, W.Nr. 1.4539) is an austenitic stainless steel with a high alloy composition and low carbon content. It is specifically designed to offer moderate to high corrosion resistance in various process environments. The inclusion of copper in this grade significantly enhances its ability to withstand strong reducing acids, especially sulfuric acid. The high levels of nickel and molybdenum in the alloy provide excellent resistance to chloride-induced stress corrosion cracking, including issues like pitting, crevice corrosion, and stress corrosion cracking. Moreover, the austenitic structure of 904L stainless steel ensures exceptional toughness even at cryogenic temperatures. It can be easily welded and processed using standard fabrication techniques.

310MoLN (UNS S31050, W.Nr. 1.4466) is a nitrogen-containing high-alloy austenitic stainless steel renowned for its ability to stabilize and enhance the austenitic phase, without the presence of intermetallic phases like intergranular carbide precipitations. This material exhibits outstanding resistance to various forms of corrosion, including intergranular corrosion, pitting, and crevice corrosion, in environments such as ammonium carbamate and nitric acid. Moreover, 310MoLN demonstrates favorable weldability, albeit with a relatively high energy requirement and moderate ductility. It finds extensive usage in applications demanding exceptional strength, resistance to oxidation, and protection against chloride-induced stress corrosion cracking.

254SMO (UNS S31254, W.Nr. 1.4547) is a super austenitic stainless steel known for its exceptional corrosion resistance. It combines chromium, nickel, molybdenum, and nitrogen to provide excellent resistance to chloride stress corrosion cracking, pitting, and crevice corrosion. With twice the strength of stainless steel 300 series, 254SMO is often referred to as "6% Moly" due to its molybdenum content. It can withstand high temperatures and volatile conditions while offering cost-effective advantages over high nickel and titanium alloys.

253MA (UNS S30815, W.Nr.1.4835) is a type of steel that offers a combination of favorable properties for high-temperature applications while being easy to work with. It maintains its resistance to oxidation at temperatures as high as 1150°C and demonstrates better performance in carbon, nitrogen, and sulphur-rich environments compared to grade 310. One of its advantages over high nickel alloys and grade 310 is its relatively low nickel content, making it more effective in reducing sulphide atmospheres. Additionally, the inclusion of high silicon, nitrogen, and cerium levels enhances the steel's ability to withstand oxide formation, maintain strength at elevated temperatures, and resist the formation of sigma phase precipitates. The austenitic structure of this grade also provides excellent toughness, even at extremely low temperatures such as cryogenic conditions.

17-7PH (UNS S17700, W.Nr. 1.4568) is a type of stainless steel known for its precipitation-hardening characteristics. It exhibits a semi-austenitic structure when in its annealed state and transforms into a martensitic structure when hardened. This steel offers notable advantages such as high strength, hardness, fatigue resistance, corrosion resistance, formability, and minimal distortion during heat treatment. It finds wide applications where a combination of excellent corrosion resistance and high strength is required. In its annealed state, 17-7PH stainless steel can be easily formed and subsequently hardened through uncomplicated heat treatments to achieve high levels of strength. Furthermore, this material demonstrates exceptional mechanical properties even at elevated temperatures of up to 900ºF (482ºC) when in the heat-treated condition. ​

17-4PH stainless steel (UNS S17400, W.Nr. 1.4542) is a type of martensitic stainless steel that contains chromium, nickel, copper, and niobium. It is known for its exceptional combination of strength, hardness, and corrosion resistance. This material is magnetic and exhibits excellent mechanical properties. It can be readily welded and processed using standard fabrication techniques. Additionally, 17-4PH stainless steel offers high resistance to crack propagation, favorable transverse properties, and proven durability against stress corrosion cracking in marine settings.

15-5PH stainless steel (also known as 15-5PH, UNS S51500, W.Nr. 1.4545) is a type of martensitic precipitation-hardening stainless steel. It possesses excellent strength, corrosion resistance, and mechanical properties at temperatures of up to 600°F (316°C). Furthermore, it exhibits remarkable toughness in both the longitudinal and transverse directions, making it suitable for various applications, including base metal and welds.

UNS N06022 (also known as Alloy C-22, W.Nr. 2.46022, Hastelloy® C-22) is an advanced corrosion-resistant alloy with a fully austenitic structure. This alloy provides excellent resistance to both aqueous corrosion and high-temperature attack, including general corrosion, pitting, crevice corrosion, intergranular attack, and stress corrosion cracking. Hastelloy C-22 typically consists of approximately 22% chromium, 14% molybdenum, and 3% tungsten. The high chromium content of the alloy contributes to its resistance against corrosion by oxidizing media. Additionally, the presence of molybdenum and tungsten provides the alloy with resistance to corrosion by reducing media.

Hastelloy C-276 (UNS N10276, Alloy C-276, W.Nr. 2.4819) is a nickel-molybdenum-chromium alloy that is strengthened by solid solution, with a small proportion of tungsten. It demonstrates exceptional resistance to corrosion in various challenging environments. Its high molybdenum content provides protection against localized corrosion, including pitting. Moreover, the low carbon content prevents the formation of carbides during welding, thereby preserving its resistance to intergranular attack in the heat-affected zones of welded joints. Additionally, Hastelloy C-276 possesses good ductility, making it easily formable and weldable.

UNS N06601 (Alloy 601, W.Nr. 2.4851, Inconel® 601) is a solid solution strengthened alloy primarily composed of nickel and chromium. It is widely recognized for its exceptional resistance to various corrosive media and high temperature environments. This alloy is commonly used in engineering applications that demand both heat and corrosion resistance. Additionally, it exhibits excellent resistance to aqueous corrosion, possesses high mechanical strength, and can be easily formed, machined, and welded.