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Lehae > Lihlahisoa > Letlapa la tšepe > Hight Strength Low Alloy Steel
Letlapa la tšepe la Q420D
Letlapa la tšepe la Q420D
Letlapa la tšepe la Q420D
Letlapa la tšepe la Q420D

Letlapa la tšepe la Q420D

GB/T1591 Q420 e na le limaraka tse hlano tse fapaneng tsa tšepe joalo ka Q420A,Q420B,Q420C,Q420D le Q420E.Structural steel Q420D e tla etsoa tekong e nang le tšusumetso mochesong o tlase ho feta 20 degree centigrade.Kalafo e tloaelehileng ea mocheso e khothalelitsoeng hore e etsoe bakeng sa poleiti ea tšepe e tlase ea alloy. Q420D ka botenya bo boima.
Sebopeho sa Lik'hemik'hale
Lintho tse ka sehloohong tsa lik'hemik'hale tsa Q420D
C Si Mong P S V Nb Ti Al (min.) Kr Ni
0.20 0.55 1.00-1.70 0.030 0.030 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.40 0.70
Thepa ea Mechini
Botenya (mm)
Q420D ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Matla a tlhahiso (≥Mpa) 420 400 380 360
Tensile strength (Mpa) 520-680
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