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Austenitic chromium-nickel stainless steel with titanium stabilisation – "The classic V4A" (1.4571)
Code
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X6CrNiMoTi17-12-2
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US standard (AISI)
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316Ti
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Composition
Alloying components [%]
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C: 0 - 0.08
Cr: 16.50 - 18.50
Mn: 0 - 2.00
Mo: 2.00 - 2.50
Ni: 10.50 - 13.50
P: 0 - 0.045
S: 0 - 0.015 (0.030*)
Si: 0 - 1.00
Ti: 5 x C - 0.70
Remainder: Fe
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Stainless steel grade
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A4
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Density [g/cm³]
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8.0
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Nickel migration
[µg/(cm² x week)] in artificial perspiration (pH 4.5)
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<0.05
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Yield point
Rp0.2 [N/mm²]
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≥200
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Tensile strength
Rm [N/mm²]
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500 - 700
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Corrosion resistance
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- Very good
- Resistant to acids, lyes and chlorides in medium concentrations as well as to quiet seawater
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Machinability
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Medium - poor
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Weldability
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Very good
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Other properties
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- Austenitic non-magnetic structure
- Cannot be mechanically polished with satisfactory results
- Suitability for electropolishing: good
- For use in the temperature range -50 - 550°C
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Main uses
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General applications involving higher levels of corrosive stress within the following sectors:
- Food industry
- Pipeline construction
- Oil industry
- Shipbuilding
- Construction industry
- Chemical industry
- Medical engineering and the pharmaceutical industry
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