Project Description
High Elastic Alloy for Elastic Component
Ni-Span-C 902 (42НХТЮ)
Ni-Span-C 902 is a constant elastic alloy with high elasticity and strength and low elastic modulus and temperature coefficient in the range of – 60-100 ℃. It is mainly used to make various elastic components such as diaphragm, bellows, spring and so on in the instrument industry.
Equivalent Grades
GB | ГОСТ | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
3J53 | 42НХТЮ | Ni-Span-C 902 | N09902 | – | – | – | – | – | – |
Chemical Composition, %
Alloy | C | Mn | Si | P | S | Ni | Cr | Ti | Al | Fe | Mo | W | Co |
3J53 | ≤0.05 | ≤0.8 | ≤0.8 | ≤0.02 | ≤0.02 | 41.5-43 | 5.2-5.8 | 2.3-2.7 | 0.5-0.8 | Rest | – | – | – |
Mechanical Properties
A. Normal mechanical properties
Alloy | Type | Delivery condition | Thickness, mm | Tensile strength, Kgf/mm-2 | Elongation, % |
3J53 | Tape | Soft | 0.2-0.5 | ≤90 | ≥20 |
Wire | Cold drawn | 0.2-3.0 | ≥95 | – |
B. Mechanical properties after aging
Alloy | Type | Delivery condition | Thickness, mm | Tensile strength, Kgf/mm-2 | Elongation, % |
3J53 | Tape | Soft | 0.2-2.5 | ≥125 | ≥5 |
Cold drawn | 0.2-1.0 | ≥110 | ≥8 | ||
Wire | Cold drawn | 0.5-5.0 | ≥140 | ≥5 | |
Rod | Cold drawn | 3.0-18.0 | ≥135 | ≥5 | |
Flat | Hot forged/rolled | 6.0-25.0 | ≥110 | ≥10 |
Alloy | Delivery condition | Thickness, mm | Tensile strength, Kgf/mm-2 |
3J53 | Cold rolled | 0.5-2.5 | ≥90 |
Soft | 0.5-1.0 | ≥70 |
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.