Stal w Gat AISI 304

Poniżej przedstawiamy typowe parametry stali w gat. AISI 304

ALLOY TYPE 304

Melt temperature range °C 1400 – 1445
Thermal conductivity @ 540°C Kcal/ m2 h.°C 56.6
Modulus of elasticity @ 870°C x 10 6 Kg/cm2 1.266
Fiber tensile strength @ 870 Kg/cm 1.270
Coef. of thermal expansion @ 870 x 10 -6 / °C 20.16
Critical oxidation temperature °C 1040
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) 1.40
Corrosion rate in coke oven gas at 982°C (1800°F) Mils/yr 225
Corrosion rate nitriding Mils/yr 590
Oxidation cycling conditions 1000 hrs wt % loss @ 982°C 70 % @ 100 hrs