You are here:-SM355C

SM355C

2017-04-15T17:54:44+00:004월 15th, 2017|

SM355C — KS D3515 (Old SM490C)
Plate, Strip, Section, Flat. t≤200

Chemical composition(%. max.)
C : 0.18, t≤50
C : 0.20, 50<t
Si : 055
Mn : 1.60
P : 0.025
S : 0.025

Mechanical properties(N/㎟, min.)
▶Yield point or Yield strength(YS)
t≤16 : 355
16<t≤40 : 345
40<t≤75 : 335
75<t≤100 : 325
100<t≤200 : 305
▶Tensile strength(TS) : 490~630

Charpy absobed energy : -20℃/27Joule min.
Ceq : 50≤t ——– 0.47 max.
Ceq : 50<t≤100 — 0.49 max.
TMC Ceq : 50≤t — 0.38 max
TMC Ceq : 50<t≤100 — 0.40 max
Pcm : 50≤t ——– 0.27 max.
Pcm : 50<t≤100 — 0.29 max.
TMC Pcm : 50≤t — 0.24 max
TMC Pcm : 50<t≤100 : — 0.26 max

*Technical mentioning in the contents doesn’t mean
any guarantee
*Misuse of technical information
in the content could cause unexpected accidents