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SM490B

2016-03-16T20:38:26+00:003월 16th, 2016|

SM490B — KS D3515

Chemical composition (% , Max)
C : 0.18 t≤50
C : 0.20 50<t ≤200
Si : 0.55
Mn : 1.60
P : 0.035
S : 0.035

Mechanical properties (N/㎟, Min)
▶Yield point or Yield strength(YS)
t ≤ 16 : 325
16<t≤40 : 315
40<t≤75 : 295
75<t≤100 : 295
100<t≤160 : 285
160<t≤200 : 275
▶Tensile strength(TS) : 490 ~ 610

Charpy absorbed energy : 27J ↑(0℃)

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