Brinell hardness tensile yield strength of the proportion of extended linear expansion coefficient of thermal conductivity

(N / m ㎡) (N / m ㎡) (%) (HB) (100 ℃) (0 ~ 100 ℃)

(W / m · ℃) (X10-6 / ℃)

More than 520 over 205 over 187 over 40 or more the following Below 7.93 16.3 17.3

Chemical composition (%)

C Si Mn PS Ni Cr

Below 0.15 0.2 1 2 the following the following the following the following 8 10 17 0.15 19

Below Below Below Below Over

Mo Cu Fe

Add Mo0.6% to less - Surplus

Addable Below 0.6%