Mechanical Properties and Application of Austenitic, Duplex Steels, Ferritic and Martensitic Steels
| Steel Designation |
Elongation at Fracture ɛ min. % |
Tensile Strength (UTS) min N/mm^2 |
Yield Strength, 0,2% Proof Stress (Ys) min. N/mm^2 |
Common Applications | |
| Matl. Designation | Material Nos. | ||||
| Austenitic Steels | |||||
| X5CrNi18-10 | 1.4301 | 45 | 500 | 190 | Construction and building, manufacturing of vehicle, foodstuffs industry |
| X8CrNiS18-9 | 1.4305 | 35 | 500 | 190 | Free-cutting steel; machine and connecting elements |
| X6CrNiTi18-10 | 1.4541 | 40 | 500 | 190 | Household goods, photography industry, sanitary use |
| X2CrNiMo17-12-2 | 1.4404 | 40 | 520 | 220 | Offshore engineering, pressure vessels, welded construction parts; pins, shafts |
| X2CrNiMoN17-13-3 | 1.4429 | 40 | 580 | 280 | |
| X2CrNiMo17-12-2 | 1.4401 | 40 | 500 | 200 | Oil & gas industry, bleaching equipment, foodstuffs |
| X6CrNiMoTi17-12-2 | 1.4571 | 40 | 500 | 200 | Containers (tanker trucks), heating vessels, synthetic resin and rubber industry |
| Austenitic-Ferritic Steels (Duplex Steels) | |||||
| X2CrNiMoN22-5-3 | 1.4462 | 25 | 650 | 450 | Components for high chemical and mechanical loading; water and wastewater engineering, offshore engineering, pulp and chemicals industry, tank house and road construction, centrifuges, conveying equipment |
| X2CrNiN23-4 | 1.4362 | 25 | 600 | 400 | |
| X2CrNiMoCuWN25-7-4 | 1.4501 | 25 | 730 | 530 | |
| Ferritic Steels | |||||
| X2CrMoTiS18-2 | 1.4523 | 15 | 430 | 280 | Acid-resistant parts in the textile industry |
| X6CrMoS17 | 1.4105 | 20 | 430 | 250 | Free-cutting steels; bolts, fasteners |
| X6Cr13 | 1.4000 | 20 | 400 | 230 | Chip carriers, cutlery, interior fittings |
| X6Cr17 | 1.4016 | 20 | 400 | 240 | Connectors, deep drawn formed parts |
| Martensitic Steels | |||||
| X20Cr13 | 1.4021 | 13 | 700 | 500 | Armatures, flanges, springs, turbine parts |
| X39CrMo17-1 | 1.4122 | 12 | 750 | 550 | Tubes, shafts, spindles, wear parts |
| X14CrMoS17 | 1.4104 | 12 | 650 | 500 | Free-cutting steel; turned parts, apparatus fittings |
| X12CrS13 | 1.4005 | 12 | 650 | 450 | Connectors, cutting tools, components subjected to wear |
| X3CrNiMo13-4 | 1.4313 | 15 | 780 | 620 | |
| X17CrNi16-2 | 1.4057 | 14 | 800 | 600
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