Incoloy 825 / UNS N08825 / 2.4858 Nickel Alloy Seamless Tube ASTM B423
1. Grade: Incoloy 825
2. Process: VIR - VAR - ESR - Forging - Cold Rolling / Cold Drawing - Semifinished - Finished
3. Delivery Condition: Solution Annealed
4. Surface Condition: AP, BA, Polished
5. OD: 6-325mm
6. WT: 0.5-25mm
7. Length: Max. 25 meters
8. Specification: ASTM, ASME, GB, JIS, GOST, DIN, etc.
9. Packing: Plywood case, Bundle
Incoloy 825 Chemical composition
|
Alloy
|
%
|
Ni
|
Cr
|
Fe
|
C
|
Mn
|
Si
|
Cu
|
Mo
|
Al
|
Ti
|
P
|
S
|
|
825
|
Min. |
38
|
19.5
|
balance
|
|
|
|
1.5
|
2.5
|
1.0
|
0.6
|
|
|
|
Max.
|
46
|
23.5
|
balance
|
0.05
|
1
|
0.5
|
3
|
3.5
|
0.2
|
1.2
|
0.02
|
0.03
|
Incoloy 825 Physical properties
|
Density
|
8.1 g/cm³
|
|
Melting point
|
1370-1400
|
Incoloy 825 Alloy mi nimum mechanical properties in the room temperature
|
Alloy state
|
Tensile strength
Rm N/mm²
|
Yield strength
R P0. 2N/mm²
|
Elongation
A 5 %
|
Brinell hardness
HB
|
|
825
|
550
|
220
|
30
|
≤200
|
Characteristic as below :
1. Good stress corrosion cracking resistance performance
2. Good resistance for pitting and crevice corrosion performance
3. Good anti-oxidation and non-oxidzing heat acid performance
4. Good mechanical performance in both room temperature and up to 550
5. Have the pressure vessel authenticate when manufacture temperature up to 450
Inspection and Test Procedure
| 1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material |
| 2.100% Dimension & Visual Examination |
| 3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test |
| 4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT) |
| 5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor) |
| 6.Straightness Test (optional) |
| 7.Roughness Test (optional) |
| 8.Intergranular Corrosion Test(optional) |
| 9.Impact Test (optional) |
| 10.Grain Size Determinations (optional) |
| NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION. |
