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Q275 lamina ferrea
Q275 lamina ferrea
Q275 lamina ferrea
Q275 lamina ferrea

Q275 lamina ferrea

GB/T700 Q275 quatuor gradus chalybi distinctos continet ut Q275A,Q275B,Q275C et Q275D. Ferri structuralis Q275D fiet impactio caloris minoris 20 gradus centigradi.
Compositio chemica
Q275 bractea chalybea genus est chalybis carbonis structuralis, vires altae, bonae plasticitas et effectio secans, effectus glutinis bona, partes parvae exstingui et roborari possunt, plerumque ad partes fabricandas magnis requisitis, uti sunt anni et spicula. sphingas, claves, seras, nuces, sectiones ferreas machinae agriculturae, TRADUCTOR catenae et nexus.

Q275 lamina ferrea materiae aequipollens: respondente notam Iaponica JIS: SS490
Organizationis internationalis ad Standardization:
E275A
Vetus notam respondet: A5

Compositio chemica (fractionis massae) de lamina ferrea Q275 (%)
C: ≤0.24
Mn: ≤1.5
Si: ≤0.35
S: ≤0.050 (Class A)
P: ≤0.045

Q275 lamina ferrea maxime adhibita est ad principaliora elementa mechanica fabricandi in constructione et ponte machinali, et potest substituere qualitatem carbo carbonis. Q215B aequiparatur cum N. 10-15. Q235B aequipollet ferro 15-20, Q255B aequipollet ferro 25-30, et Q275B aequipollet. 35-40 adamante.
Elementa chemica praecipua compositio Q275D
C Si Mn P S
0.20 0.35 1.50 0.035 0.035
Mechanica Property
Crassitudo (mm)
Q275D ≤ 16 > 16 ≤ 40 > 40 ≤ 60 > 60 ≤ 100 > 100 ≤ 150 > 150
Vires cede (≥Mpa) 275 265 255 245 225 215
Roboris distrahentes (Mpa) 410-540
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