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254 SMO
1NiCrMoCuN20-18
Z2 CNDU 20.18.7
S31254
SS 2378
Base Element Fe(Iron)
High-alloy austenitic stainless steel
| Element | Min | Max | |
|---|---|---|---|
| C(Carbon) | 0.02% | ||
| Cr(Chromium) | 20.5% | ||
| Mo(Molybdenum) | 6.5% | ||
| N(Nitrogen) | 0.22% | ||
| Ni(Nickel) | 17.5% | 18.5% | |
| Mn (Manganese) | 1.00% | ||
| P (Phosphorus) | 0 | 030% | |
| S (Sulphur) | 0.010% | ||
| Si (Silicon) | 0.8% | ||
| Cu (Copper) | 0.05% | 1% |
Mechanical Properties
| Mechanical Property | Min | Max |
|---|---|---|
| Ultimate Tensile Strength (UTS) | 650 MPa | |
| Yield Stress | 300 MPa | |
| Elongation | 35% | |
| Gauge Length | A5D |
Heat Treatment
Hot rolled, annealed, pickled
Hot rolled, annealed, machined
Hot rolled, annealed, ground
Uses
Bolting
Used in Sea water and other aggressive chloride-bearing mediums. (I.e. Ships)
Disclaimer:
Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
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