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Chemical Composition
|
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Al |
N |
Ni |
V |
W |
Nb |
B |
Cb |
|
SFVAF28 |
Min % |
0,07 |
|
0,30 |
|
|
8,50 |
0,30 |
|
0,030 |
|
0,15 |
1,50 |
0,040 |
0,001 |
|
|
Max % |
0,13 |
0,50 |
0,60 |
0,020 |
0,010 |
9,50 |
0,60 |
0,040 |
0,070 |
0,40 |
0,25 |
2,00 |
0,090 |
0,006 |
|
Mechanical properties (20°C / 68°F)
|
Yield strength(Rp0,2) Mpa/ksi |
440/64 |
|
tensile elastic limit N/mm2/ksi |
>= 450/>= 65,2 |
|
Tensile strenght Rm /ksi |
620-650/ 89,9-94,2 |
|
ElongationA5 % |
17/19 |
transverse /lenghtwise |
|
impact work (J) |
>= 27 / >= 40 |
transverse /lenghtwise |
Temparature information
|
Application area |
|
Operation temperature |
14 ºF to 1202 ºF |
|
Working temperature |
1904 ºF to 1994 ºF |
|
Explanation report |
cool down:air |
