Or what is AISI 434?
AISI 434 is widely used thanks to the addition of molybdenum (it increases the corrosion resistance of this alloy). It combines good resistance to heat and oxidation, as well as good mechanical properties.
Applications
Automotive molding and finishing, furnace combustion chambers, louça washing machines, exaustors, gas burners in heating units, calhas e bicas, steam iron bases and talheres, nitric acid factory equipment, oil refinery equipment , roofing and cladding and restaurant equipment.
UNS Number
S43400
Ok, let's start with the chemical composition (AISI 434) .
chemical composition
C, Carbon max.
0.12
Mn, Manganese max.
1.00
P, Phosphorus max.
0.040
S, Sulfur max.
0.030
Yes Silicon Max.
1.00
Cr, Chromium
16.0–18.0
Mo, Molybdenum
0.75–1.25
escoamento limit
240MPa
Traction resistance
450MPa
Extension (min.)
22 percent.
Density
7.7g/cm3, 7700kg/m3.
modulus of elasticity
200GPa.
Poisson's ratio
0.28.
admissible voltage
It depends on the project (and its security factor).
AISI material ranking
Engineers generally look for cheaper material that we can use more and use a different approach to material selection (to help novice students).
I classify materials according to their clearance limits and AISI 434 is currently 31 with no clearance limit index. Isso means that there are other 30 more resistant materials.
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