Unalloyed, high-temperature steel | |||
| max. application temperature | Material no. | Material characteristics | application range |
| +400°C | 1.0305 (ASTM 105) | unalloyed steel | weld-in and srew-in protecting tubes insteam lines |
| +500°C | 1.5415 (AISI A204 Gr.A) | low-alloy and high-temp. steel with molybdenum addition | weld-in and screw-in protecting tubes |
| +540°C | 1.7335 (AISI A182 F11) | low-alloy and high temp. steel with chromium and molybdenum addition | weld-in and screw-in protecting tubes |
| +570°C | 1.7380 (AISI A182 F22) | low-alloy and high temp. steel with chromium and molybdenum addition | weld-in and screw-in protecting tubes |
| +650°C | 1.4961 | high temp. austenitic chromium nickel steel (Niobium stabilized) | weld-in and screw-in protecting tubes |
Rust and acid resistant steel | |||
| max. application temperature | Material no. | Material characteristics | application range |
| +550°C* | 1.4301 (AISI 304) | good resistance against organic acids with medium temperatures, saline solutions p.e. sulphates, sulphides, alkaline solvents with medium temp. | food and luxury, food industry, medical apparatus engineering |
| +550°C* | 1.4404 (AISI 316 L) | By the addition of molybdenum, it is more corrosion-proof in oxidizing acids, p.e. acid vinegar, acidity of wine, phophoric acid, sulphuricacid and others. There is an elevated resistance against intercrystalline corrosion by a reduced carbon content | Chemical, pulp industry, nuclear technology, textile, colour, fatty acid, soup and pharmaceutical industries as well as dairies and breweries |
| +550°C* | 1.4435 (AISI 316L) | Elevated resistance against corrosion compared with 1.4404, smaller delta ferrite portion | Pharmaceutical industries |
| +550°C* | 1.4541 (AISI 321) | Good intercrystalline corrosion resistance, good resistance against heavy oil products, vapour and combustion gases. Good resistance against oxidation | Chemical industry, nuclear power plants, textile, colour, fatty acids, soap industry |
| +550°C* | 1.4571 (AISI 316 TI) | Elevated corrosion resistance compared to certain acids due to the addition of molybdenum. Resistant against crevice corrosion, salt water and aggressive industrial influences | Pharmaceutical industry as well as dairies and breweries |
* In dependence on pressure stress and corrosion attack, the application temp. may reach up to 800°C.
Heat resistant steel | |||
| max. application | Material no. | Material characteristics | application range |
| +1100°C | 1.4749 (AISI 446) | very good resistance against sulphuric gases and salts due to the high chromium content, very good oxidation resistance as well as with constant and cyclic thermal stress, (low resistance against nitrogenated gases) | smoke and combustion gases, industrial furnaces |
| +1200°C | 1.4762 (AISI 446) | high resistance against sulphuric gases due to the high chromium content, (low resistance against nitrogenated gases) | smoke and combustion gases, industrial furnaces |
| +1150°C | 1.4841 (AISI 314) | high resistance against nitrogenated and lower oxygen gases. Permanent operation not below 900°C due to embrittlement (more heat resistant than 1.4749 and 1.4762) | power plant construction, petrochemistry, industrial furnaces |
| +1150°C | 1.4845 (AISI 310) | same characteristics as 1.4841, however, advantage against sigma-phase-embrittlement due to the high portion of silicium | industrial furnace contruction, apparatus construction, melting houses, power plant construction, petrochemistry, furnace tubes |
| +1100°C | 2.4816 (Inconell 600) | good corrosion resistance, resistance against stress corrosion cracking, excellent oxidation resistance, not recommended with CO2 and sulphuric gases above 550°C and sodium above 750°C | hydraulic reactors, nuclear power, industrial furnaces, steam boilers, turbines |
| +1100°C | 1.4876 (Incoloy 800) | Due to the addition of titanium and aluminium the material shows very good heat resistant values. Appropriate for applications where high mechanical strength besides scaling resistance are demanded. Excellent resistance against carburization and nitrogen content increase | hydraulic reactors, power plant construction, petrochemistry, industrial furnaces |
| +1300°C | Pt 10% Rh Platin-Rhodium- Legierung | 1300°C with oxidizing conditions, in absence of oxygen, silicium and sulphur high heat resistance up to 1200°C, especially resistant inhalogens, vinegar acid, NaOCI solutions etc., embrittlement by absorption of silicium out of armouring ceramics, phosphorous sensitiveness, inappropriate in reducing hydrogen atmospheres with sulphurous components | glas, electrochemical and catalyst technique, chemical industry, laboratories, meltinghouses, annealing furnaces |