Annealed Martensitic Stainless Steel Cold Rolled Steel Sheets and Strips Mechanical Properties(GB/T3280-2015)

Unified digital code

Grade

Specified plastic elongation strength

Rp0.2/MPa

Tensile strength

Rm/MPa

Elongation after fractureA①(%)

180 degree bending performance bending head diameter D

Hardness

HBW

HRW HV
>=

<=

S40310

12Cr12 205 485 20 D=2a 217 96 210

S41008

06Cr13 205 415 22 D=2a 183 89 200

S41010

12Cr13 205 450 20 D=2a 217 96 210
S41595 04Cr13Ni5Mo 620 795 15  — 302 32②

308

S42020

20Cr13 225 520 18 223 97

234

S42030

30Cr13 225 540 18 235 99

247

S42040

40Cr13 225 590 15

S43120

17Cr16Ni2② 690 880-1080 12 262-326
1050 1350 10 388

S44070

68Cr17 245 590 15 255 25③

269

S46050 50Cr15MoV ≤850 12 280 100

280

Note: ‘a’  is the bending specimen thickness
①Use A50mm sample when the thickness is less than 3mm

②The table lists the mechanical properties after quenching and tempering

③ HRC hardness value

 

Posted in introduction.