Table 1 Chemical composition 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

Element (%)

C

Si

Mn

S

Cr

Ni

Cu

Q450NQR1

≤ 0.12

≤ 0.75

≤ 1.50

≤ 0.008

0.30–1.25

0.12–0.65

0.20–0.55

Back to article page