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Table 2 Fitting parameters of other formulas

From: Description of full-range strain hardening behavior of steels

Formula Parameters/dimension G4335V PCrNi3MoVA 32CrNi3MoVA Pipeline steel TRIP steel Stainless steel
Ramberg–Osgood K/MPa 1375 1293 1361 763 1015 1011
m 0.0433 0.0482 0.0545 0.0642 0.1223 0.1234
Ludwigson K1/MPa 1550 1467 1534 832 1180 1260
m1 0.079 0.085 0.090 0.0915 0.181 0.212
K2 5.010 5.39 4.540 4.42 5.12 4.80
m2 −202.4 −296.3 −584.7 −230 −155 −38.1
Ugent σ0.2/MPa 521 493 490
n1 26.5 12.4 5.11
n2 15.5 8.0 10.7
σ1/MPa 536 535 490
σ2/MPa 579 670 460
Gardner n 15.1 16.5 4.43
E0.2/103 MPa 15.9 13.9 44.2
n 0.2,1.0 1.55 2.20 3.05