1. Introduce
– Ni-Cr alloy with additions of Mo and Ti
– Material with excellent corrosion resistance and strength up to 700℃ temperature
– Excellent oxidation resistance to temperatures up to 982°C
– Also used in low temperature applications requiring ductile, non-magnetic, high strength materials at temperatures down to -96°C
– Precipitation strengthening can be achieved by heat treatment
– UNS S62286
* UNS
- Abbreviation for the Unified Numbering System for Metals and Alloys
- Unified unique numbering system for metals and alloys
- A representative number compatible with metals and alloys defined in several material-related codes, including ASTM, AISI, ASME, AWS, etc.
* S : Heat and corrosion resistant (stainless) steel
2. Property
– Excellent strength, corrosion resistance, ductility, heat resistance, corrosion resistance, oxidation resistance, creep resistance
| Element | Impact |
|---|---|
| Ni, Cr | Provides corrosion resistance, wear resistance |
| Mo, Ti | Provides corrosion resistance, erosion resistance |
[A 286 Chemical Composition (%)]
| C | Mn | P | S | Si |
|---|---|---|---|---|
| Max. 0.08 | Max. 2.00 | Max. 0.040 | Max. 0.030 | Max. 1.00 |
| Cr | Ni | Al | Mo | Fe |
|---|---|---|---|---|
| 13.5~16.0 | 24.0~27.0 | Max. 0.35 | 1.0~1.5 | Bal. |
| V | Ti | B | ||
|---|---|---|---|---|
| 0.10~0.50 | 1.90~2.35 | 0.001~0.010 |
[A 286 Mechanical Properties]
| Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) |
|---|---|---|
| 620 | 275 | 40 |
[A 286 Physical Properties]
| Density (g/㎤) | Melting Range (℃) | Specific Heat (0-100℃), J/kg*℃ |
|---|---|---|
| 7.92 | 1370~1430 | 420 |
3. Standard & Specification
– Specification : UNS S62286
| Product Form | AMS | ASTM |
|---|---|---|
| Bar, Rod | 5726, 5731, 5732, 5734, 5735, 5736, 5737, 5853, 5895 | – |
| Plate, Sheet, Strip | 5525, 5858 | – |
| Wire, Coil | 5726, 5731, 5732, 5734, 5737, 5838, 5895 | – |
| Forgings | 5731, 5732, 5734, 5736, 5737, 5895 | A638 |
| Tube, Pipe | 5731, 5732, 5734, 5735, 5736, 5737, 5895 | – |
4. Available Form
– Bar, Rod
– Plate, Sheet, Strip
– Wire, Coil
– Forgings
– Tube, Pipe
5. Application & Product
– Aerospace, Automotive
| Application | Product |
|---|---|
| Aerospace | Jet engine parts, Fasteners, Springs |
| Automotive | High temperature afterburner parts, Tanks, Piping, Pumps, Heat exchangers, Superchargers |
(1) Piping / (2) Fasteners / (3) High Temperature Afterburner Parts
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