3J01 alloy is an Fe-Ni-Cr austenite precipitation reinforced high elastic alloy.After solid solution treatment, it has good plasticity, low hardness and easy processing and forming.High mechanical and elastic properties were obtained after solid solution or cold strain aging treatment.
3J01 Chemical Composition| Alloy | C | Mn | Si | P | S | Ni | Cr | Ti | Al | Fe |
| 3J01 | ≤0.05 | ≤1.00 | ≤0.80 | ≤0.020 | ≤0.020 | 34.5-36.5 | 11.5-13.0 | 2.70-3.20 | 1.00-1.80 | Ban |
| Density (g/cm3) | Resistivity (L2 - m) | Vickers hardness (HV) | Modulus of elasticity(E/MPa) | Shear deformation(G/MPa) | Magnetic frequency(K/106) |
| 8.0 | 1.02 | 400-480 | 186500-206000 | 68500-78500 | 150-250 |
3J01 Mechanical Properties
| Status | Thickness/diameter (mm) | Tensile strength σb/MPa | Elongation As % |
| annealing | 0.20～0.50 | ≤981 | ≥20 |
| Cold drawn | 0.20～3.0 | ≥981 | - |
Round bars/Flat bars/Hex bars, Size From 8.0mm-320mm, Used for bolts,fastners and other spare parts
Widths up to 1500mm and lengths up to 6000mm,Thickness from 0.1mm to 100mm.
Soft condition and hard condition with AB bright surface, width up to 1000mm
3J01 alloy has the characteristics of high strength, high elastic modulus, small elastic aftereffect and hysteresis, weak magnetism, good corrosion resistance and thermal stability, and can work under higher temperature, greater stress or corrosive media conditions.
Used to manufacture all kinds of aeronautical elastic sensitive elements and parts resistant to nitric acid or other corrosive media, such as film boxes, diaphragms, bellows, transfer rods, baffles and other elastic structures.