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SM490A zitsulo mbale

1. Muyezo wa SM490A Adpt: JIS G3106 Standard Specification ndi ya Zitsulo Zogudubuza za Welded Structure 2. Kufotokozera kwa SM490A: Makulidwe: 5mm mpaka 500mm; M'lifupi: 1500mm mpaka 4500mm: Utali: 3000mm mpaka 27000mm 3. Kuyendera Kwachitatu kwa SM490A: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI kapena dipatimenti ina yabwino.
Mechnical katundu wa SM490A Structural steel:

Mechnical katundu wa SM490A Structural steel:

Makulidwe (mm)
Mtengo wa SM490A ≤16 > 16 ≤40 > 40 ≤ 75 > 75 ≤ 100 > 100 ≤ 160 > 160
Mphamvu zokolola (≥Mpa) 325 315 295 295 285 275
≤100 > 100
Tensile mphamvu (Mpa) 490-610 400-610
Chemical zikuchokera
Mankhwala a SM490A Structural steel (Ladle Analysis Max%)
Zomwe zimapangidwa ndi SM490A
Makulidwe (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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