Y15Pb chemical composition and mechanical properties

Chemical Composition (%)

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

Mechanical Properties

Tensile strength σb (MPa): (hot-rolled) 390 to 540; (cold drawn) steel thickness or diameter of 8 to 20: 530 to 755;> 20

30 to 30 hours: 510 to 735;>: 490 to 685
Elongation δ5 (%): (hot-rolled) ≥ 22; (cold rolled) ≥ 7.0
Reduction of area ψ (%): (hot-rolled) ≥ 36
Hardness: (hot) ≤ 170HB; (cold drawn steel) 152 ~ 217HB