Astm B446 Astm B443 Alloy 625 Pipe Uns N06625 High Temperature Strength
ASTM B446, ASTM B443 Alloy 625 UNS N06625 NICKEL ALLOY SEAMLESS TUBING
Inconel 625 is a material with excellent resistance to pitting, crevice and corrosion cracking. Inconel 625 is highly resistant in a wide range of organic and mineral acids. Good high temperature strength.
Characteristics
- Excellent mechanical properties at both extremely low and extremely high temperatures.
- Outstanding resistance to pitting, crevice corrosion and intercrystalline corrosion.
- Almost complete freedom from chloride induced stress corrosion cracking.
- High resistance to oxidation at elevated temperatures up to 1050C.
- Good resistance to acids, such as nitric, phosphoric, sulfuric and hydrochloric, as well as to alkalis makes possible the construction of thin structural parts of high heat transfer.
Applications
- Components where exposure to sea water and high mechanical stresses are required.
- Oil and gas production where hydrogen sulfide and elementary sulfur exist at temperature in excess of 150C.
- Components exposed to flue gas or in flue gas desulfurization plants.
- Flare stacks on offshore oil platforms.
- Hydrocarbon processing from tar-sand and oil-shale recovery projects.
Specifications
-
FormStandard
Metal Type
UNS N06625
Bar
ASTM B446 AMS 5666 BS3076
Wire
AMS 5837
Sheet
ASTM B443 AMS 5599 BS3072
Plate
ASTM B443 AMS 5599 BS3072
PipeASTMB444 ASTM B704 AMS 5581 BS3074 GEB50TF133
TubeASTM B444 ASTM B704 AMS 5581 BS3074 GEB50TF133Fitting
ASTM B366 Din 17754
Forging
Weld WireWeld ElectrodeNA 21
All forms
Din2.4856
Chemistry
Chemical Requirements |
|||||||
|---|---|---|---|---|---|---|---|
|
|
Ni |
Fe |
Cr |
Si |
Mo |
Mn |
C |
|
Max |
|
5.0 |
23.0 |
0.50 |
10.0 |
0.50 |
0.10 |
|
Min |
58.0 |
|
20.0 |
|
8.0 |
|
|
Tensile Data
Mechanical Property Requirements |
|||||
|---|---|---|---|---|---|
|
|
Ultimate Tensile |
Yield Strength (0.2% OS) |
Elong. in 2 in. or 50mm or 4D, min., % |
R/A |
Hardness |
| Cold Worked/Annealed | |||||
| Min | 120 KSI | 60 KSi | 30 | ||
| Max | |||||
| Min | |||||
| Max | |||||
| Hot Worked/Annealed | |||||
| Min | 120 KSi | 60 KSi | 30 | ||
| Max | |||||
| Min | |||||
| Max | |||||
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