Stal w gat. AISI 430

Typowe parametry stali w gat. AISI 430

ALLOY TYPE 430

Melt temperature range °C 1482 – 1533
Thermal conductivity @ 540°C Kcal/ m2 h.°C 74.4
Modulus of elasticity @ 870°C x 10 6 Kg/cm2 0.0844
Fiber tensile strength @ 870 Kg/cm 2 480
Coef. of thermal expansion @ 870 x 10 -6 / °C 13.68
Critical oxidation temperature °C 820
Increased flexural strength of 60 % alumina
refractory fired at 870°C (1600°F) for 8 hrs1,3 V. % fiber 1.15
Increased energy absorption 60 % alumina ref.
fired at 870°C (1600°F) for 8 hrs. 10 =>12
Carburization increase in carbon content %
in 25 hrs @ 982°C (1800°F) 1.03
Corrosion rate in coke oven gas at 982°C (1800°F) Mils/yr 236
Corrosion rate nitriding Mils/yr 900
Oxidation cycling conditions 1000 hrs wt % loss @ 982°C 70 %