Product brief introduction
Y15Pb,Name is free-cutting steel structural steel, the implementation of standard GB/T 8731-8731, density is 7.85 g/cm³。
Product Parameter
C :0.10~0.18
Si :0≤0.15
Mn :0.80~1.20
P :0.05~0.10
S :0.23~0.33
Pb :0.15~0.35
Technical Equipment
Tensile strength of sigma b (MPa) : (hot rolled) 390 ~ 540;
(cold drawn) steel thickness or diameter of 8 ~ 20:530 ~ 755.
> 20 ~ 30:510 ~ 735;
> 30:490 ~ 490
Elongation delta 5 (%) : (hot rolled) 22 or more;
(cold rolled) 7.0 or higher
Reduction of area bits (%) : (hot rolled) 36 or more
Hardness: (hot rolled) 170 hb or less;
(cold drawn steel) 152 ~ 217 hb
To prepare

