Material No. maximum temperature stress in the air in C° Resistance to sulfurous media oxidising Resistance to nitrogenous media and media poor in oxygen Carbonisation High stress levels due to alternating temperatures
    oxidising reducing      
1.4713 800 ●●●● ●● ● ● ●
1.4720 800 ●●● ●● ● ● ●
1.4724 850 ●●●● ●● ● ● ●
1.4742 1000 ●●●● ●● ● ● ●
1.4749 1100 ●●●● ●●● - ● -
1.4762 1150 ●●●● ●●●● ● ● -
1.4821 1100 ●●● ●● ●● ●● ●
1.4828 1000 ●● ● ●●● ●● ●
1.4835 1050 ●● ● ●●● ●● ●●
1.4841 1150 ●● ● ●●● ●● -
1.4845 1050 ●● ● ●●● ●● ●
1.4864 1100 ●●● ● ●●● ●●● ●●●
1.4876 1100 ●● ● ●●● ●●● ●●
1.4877 1000 ●●● ●● ●●● ●●●● ●●●●
1.4878 850 ●● ● ●●● ●● ●●
1.4893 1050 ●● ● ●●● ●● ●●
2.4816 1050 ● ● ●●● ●●● ●
2.4851 1150 ● - ●●● ●●●● ●●●●
2.4856 1000 ●● ● ●●● ●●●● -
             
             
very good ●●●●          
good ●●●          
average ●●          
low ●