T22 is especially suited for steam boiler,boiler parts,boiler drum,pressure vessel for the apparat us engineering and similar purposes.Itcan be used in permanent operation with wall temperatures up to about 590°C 1094°F+.



Chemical composition ( Heat analysis in % )

Name C Si Mn P S Al Cu Cr Mo
T22
0.05-0.15
≤0.50
0.30-0.60
≤0.025
≤0.025
- - 1.9-2.6
0.87-1.13

Mechanical properties at room temperature

Name
Usual Delivery condition

Yield/proof strength
ReH/Rp0,2 N/mm² min 

Tensile strength

 Rm N/mm

Elongation

% min

T22
normalized and tempered
205 415 30 20