Mechanical properties of precipitation hardened stainless steel cold-rolled steel plates and strips treated with solution(GB/T 3280——2015)

Unified digital code Grade Steel thickness/mm Specified plastic elongation strength Rp0.2/MPa Tensile strength Rm/MPa Elongation after fractureA①(%)>= Hardness
HBW HRC
<= <=
S51380 04Cr13Ni8Mo2Al 0.10~<8.0 __ __ __ 38 363
S51290 022Cr12Ni9Cu2NbTi 0.30~<8.0 1105 1205 3 36 331
S51770 07Cr17Ni7Al 0.10~<0.30 450 1035 __ __ __
0.30~8.0 380 1035 20 92② __
S51570 07Cr15Ni7Mo2Al 0.10~<8.0 450 1035 25 100② __
S51750 09Cr17Ni5Mo3N 0.10~<0.30 585 1380 8 30 __
0.30~8.0 585 1380 12 30 __
S51778 06Cr17Ni7AlTi 0.10~<1.50 515 825 4 32 __
1.50~8.0 515 825 5 32 __

① Use A50mm sample when thickness is less than 3mm

② HRB hardness value

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