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Ụlọ > Ngwaahịa > Efere ígwè > Hight Ike Low Alloy Steel

SM490A ígwè efere

1. SM490A Nnabata ọkọlọtọ: JIS G3106 Standard Specification bụ maka Rolled Steels maka Welded Structure 2. Nkọwa SM490A: Ọkpụrụkpụ: 5mm ruo 500mm; Obosara: 1500mm ruo 4500mm: Ogologo: 3000mm ruo 27000mm 3. Nyocha nke atọ maka SM490A: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI ma ọ bụ ngalaba àgwà ndị ọzọ.
Ngwa igwe maka SM490A Structural steel:

Ngwa igwe maka SM490A Structural steel:

Ọkpụrụkpụ (mm)
SM490A ≤ 16 > 16 ≤ 40 > 40 ≤ 75 > 75 ≤ 100 > 100 ≤ 160 > 160
Ike mpụta (≥Mpa) 325 315 295 295 285 275
≤ 100 > 100
Ike tensile (Mpa) 490-610 400-610
Ngwakọta kemịkalụ
Ngwakọta kemịkalụ maka SM490A Structural steel (Ladle Analysis Max%)
Ihe mejupụtara kemịkalụ bụ isi nke SM490A
Ọkpụrụkpụ (mm) C Si Mn P S
T≤50 0.20 0.55 1.60 0.035 0.035
50 0.22
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