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Q390D ipu uamea

GB / T1591 Q390 o loʻo i ai togi uʻamea eseese e lima e pei o Q390A, Q390B, Q390C, Q390D ma Q390E. Structural uamea Q390D e tatau ona faia aʻafiaga o suʻega i le maualalo o le vevela itiiti ifo i le 20 tikeri centigrade.Normalised vevela togafitiga fautuaina e faia mo le paʻu uamea maualalo. Q390D i le mafiafia mamafa.
Fa'asu'esu'ega o vaila'au
O elemene elemene autu o le Q390D
C Si Mn P S V Nb Ti Al (min.) Cr Ni
0.20 0.55 1.00-1.60 0.030 0.030 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.30 0.70
Meatotino Fa'ainisinia
Mafiafia (mm)
Q390D ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Malosi e maua (≥Mpa) 390 370 350 330
Malosi'i (Mpa) 490-650
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