Project Description
High Elastic Alloy for Elastic Component
Elgiloy (40КХНМ)
Elgiloy is a high elastic alloy, non-magnetic, corrosion-resistant, high elasticity, high strength and good fatigue resistance. It mainly produces various instrument springs and other elastic components working below 400℃.
Equivalent Grades
| GB | ГОСТ | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
| 3J21 | 40КХНМ | Elgiloy | R30003 | – | 2.4711 | – | – | – | – |
Chemical Composition, %
| Alloy | C | Mn | Si | P | S | Ni | Cr | Ti | Al | Fe | Mo | W | Co |
| 3J21 | 0.07-0.12 | 1.7-2.3 | ≤0.6 | ≤0.01 | ≤0.01 | 14-21 | 19-21 | – | – | Rest | 6.5-7.5 | 39-41 |
Mechanical Properties
| Alloy | Condition | Size, mm | Class | Tensile strength, Kgf/mm-2 | Elongation, % |
| 3J21 | Cold rolled strip | 0.2-2.5 | A | 120-150 | ≥5 |
| B | 150-180 | ≥3 | |||
| Cold drawn wire | 0.2-5.0 | A | 130-160 | – | |
| B | 160-190 | – |
Available Products and Specifications
| Rod, Bar, Wire and Forgings | YB/T 5256-93, YB/T 5253-93, YB/T 5252-93, YB/T 5243-93, ГОСТ 10994-1974, ГОСТ 14117-85 |
| Plate, Sheet and Strip | YB/T 5256-93, YB/T 5253-93, YB/T 5252-93, YB/T 5243-93, ГОСТ 10994-1974, ГОСТ 14117-85 |
| Pipe and Tube | YB/T 5256-93, YB/T 5253-93, YB/T 5252-93, YB/T 5243-93, ГОСТ 10994-1974, ГОСТ 14117-85 |
| Welding Product | – |
| Others | – |
Features
This kind of alloy is characterized by high elasticity, corrosion resistance and weak magnetism or non-magnetism.
Applications
They are usually used for making instruments, wireless elastic sense organs, bellows, diaphragms, corrugated pipes, springs, sensors, shock dampers and etc.
