| Chemical | Flare | Metallurgical |
| Corrosion | Flatten | Positive material identification (PMI) |
| Dimensional | Grain size | Surface roughness |
| Eddy current | Hardness | Tensile |
| Elongation | Hydrostatic | Yield |


|
Alloy |
O.D. |
W.T. |
Yield Strength |
Tensile Strength |
Elongation |
Hardness |
Working Pressure |
Burst Pressure |
Collapse Pressure |
|
inch |
inch |
Mpa |
Mpa |
% |
HV |
psi |
psi |
psi |
|
|
|
|
min. |
min. |
min. |
max. |
min. |
min. |
min. |
|
|
Incoloy 825 |
0.375 |
0.035 |
241 |
586 |
30 |
209 |
4,906 |
19,082 |
6,510 |
|
Incoloy 825 |
0.375 |
0.049 |
241 |
586 |
30 |
209 |
7,040 |
27,393 |
8,711 |
|
Incoloy 825 |
0.375 |
0.065 |
241 |
586 |
30 |
209 |
9,653 |
37,556 |
11,024 |
|
Incoloy 825 |
0.375 |
0.083 |
241 |
586 |
30 |
209 |
12,549 |
48,818 |
13,347 |
| ASTM B704 / ASME SB704, Incoloy 825, UNS N08825 | ||
| ASTM B751 / ASME SB751 | ||
| Size OD | Tolerance OD | Tolerance WT |
| 1/8’’≤OD<5/8’’ (3.18≤OD<15.88 mm) | ±0.004’’ (±0.10 mm) | ±12.5% |
| 5/8≤OD≤1’’ (15.88≤OD≤25.4 mm) | ±0.0075’’ (±0.19 mm) | ±12.5% |
| Meilong Standard | ||
| Size OD | Tolerance OD | Tolerance WT |
| 1/8’’≤OD<5/8’’ (3.18≤OD<15.88 mm) | ±0.004’’ (±0.10 mm) | ±10% |
| 5/8≤OD≤1’’ (15.88≤OD≤25.4 mm) | ±0.004’’ (±0.10 mm) | ±8% |
|
Nickel |
Chromium |
Iron |
Molybdenum |
Carbon |
Manganese |
Silicon |
Sulfur |
Aluminum |
Titanium |
Copper |
|
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
|
|
|
min. |
|
max. |
max. |
max. |
max. |
max. |
|
|
|
38.0-46.0 |
19.5-23.5 |
22.0 |
2.5-3.5 |
0.05 |
1.0 |
0.5 |
0.03 |
0.2 |
0.6-1.2 |
1.5-3.0 |
| Norm Equivalence | |||
|
Grade |
UNS No |
Euro norm |
|
|
No |
Name |
||
| Alloy | ASTM/ASME | EN10216-5 | EN10216-5 |
| 825 | N08825 | 2.4858 | NiCr21Mo |