Chemical Composition
C :≤0.08，
Si :≤1.500，
Mn :≤2.00，
P :≤0.035，
S :≤0.030，
Ni :≤19.00-22.00，
Cr :≤24.00-26.00
Physical Properties:
Strength of extensition (бb)(Mpa) :≥520
Yield Strength (σs)(Mpa) :≥205
Reduction of Area (ψ)% :≥50
Mechanical Property:
ób(MPa)≥520，ó0.2(MPa)≥205 ，δ5(%)≥40， Ψ(%)≥50，HB≤187 Resist above 1150℃ High temperature。Melting point: 1398℃~1454℃