Table 2 Mechanical properties of Q450NQR1 steel 31.

From: Improved maximum likelihood method for P-S-N curve fitting method with small number specimens and application in T-welded joint

Performance index

Lower yield strength (MPa)

Tensile strength (MPa)

Elongation after fracture (%)

Impact property (J)

Q450NQR1

450

550

20

60

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