Nimonic Alloy 263
Specification of Nimonic Alloy 263 Round Bars :-
- Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
- Grade : Nimonic 263 (UNS No. N07263) Round Bars 2.4650
- Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
- Form : Round, Square, Hex (A/F), Rectangle, Forging Etc.
- Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
- Application : Chemical process, Food processing, Petrochemical, Pollution control, Pulp and Paper, Refining
- Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
- Our Nimonic Alloy 263 Round Bars conforms to NACE MR0175/ISO 15156
Nimonic 263 bar Standard Inventory Specifications :-
UNS N07623
AMS 5872
W.Nr. 2.4650
B50A774
Predominantly produced by AOD-ESR melt method. Hot worked, solution treated (annealed), then descaled
SAE AMS 5872
Equivalent Grades of ASTM B348 Nimonic 263 bars :
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Nimonic Alloy 263 | 2.4650 | N07263 |
Chemical Composition of Nimonic 263 material :
| Grade | C | Cr | Co | Ti | Al | Si | Cu | Mn |
|---|---|---|---|---|---|---|---|---|
| Nimonic Alloy 263 | 0.04-0.08 | 19 – 21 | 19 – 21 | 1.90 – 2.40 | 0.60 max | 0.40 max | 0.20 max | 0.60 max |
Technical Data of Nimonic 263 bar :
| Technical Data | |
|---|---|
| Typical part accuracy (Quote<150mm) | ± 0.2 – 0.3 mm |
| Typical part accuracy (Quote>=150mm) | ± 0.05 every 25mm |
| Surface roughness as built | Ra 6 – 7 μm |
| Surface Roughness (after machining) | Ra < 1.6µm |
Physical properties of Nimonic 263 bar :
| Physical properties | Relative density | Approx. 99,8 % |
|---|---|---|
| Density | 8,36 g/cm3 |
Nimonic 263 bar Heat Treatment :
| Heat Treatment | Temperature | Time |
|---|---|---|
| Hardering | 0° – 1150° | – |
| - | 1150° | 2 |
| - | 1150° – 0° | – |
| Aging | 0° – 800° | – |
| - | 800° | 8 |
| - | 800° – 0° | – |
Mechanical properties of Nimonic 263 bar :
| Mechanical properties | Test Method | As Built | Heat Treated |
|---|---|---|---|
| Tensile strength | ISO 6892-1:2009(B) Annex D | 900 ± 40 MPa | 1100 ± 30 MPa |
| Yield strength (Rp 0.2 %) | ISO 6892-1:2009(B) Annex D | 650 ± 40 MPa | 800 ± 30 MPa |
| Elongation at break | ISO 6892-1:2009(B) Annex D | 40 ± 5 % | 35 ± 5 % |
| Young’s Modulus | – | 220 ± 15 MPa | 220 ± 15 MPa |
Thermal Properties of Nimonic 263 bar :
| The thermal properties of Nimonic Alloy 263™ are given below. | ||
|---|---|---|
| Properties | Metric | Imperial |
| Thermal expansion co-efficient (@21-100°C/69.8-212°F) | 10.3 µm/m°C | 5.72 µin/in°F |
| Thermal conductivity | 11.7 W/mK | 81.2 BTU in/hr.ft².°F |
