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Lehae > Lihlahisoa > Letlapa la tšepe > Hight Strength Low Alloy Steel
Q690C poleiti ea tšepe
Q690C poleiti ea tšepe
Q690C poleiti ea tšepe
Q690C poleiti ea tšepe

Q690C poleiti ea tšepe

Lipoleiti tsa tšepe tse entsoeng ka thepa ea Q690 li na le matla a ho hlahisa lihlahisoa tse ngata le matla a tsitsitseng 'me li sebelisoa haholo mecheng ea merafo ea mashala le mechine ea boenjiniere, e kang tšehetso ea hydraulic, li-port cranes, literaka tse flatbed joalo-joalo.
Sebopeho sa Lik'hemik'hale
Q690 Sebopeho sa Lik'hemik'hale (%)
Kereiti ea tšepe Kereiti ya boleng C Si Mong P S Nb V Ti Kr Ni Cu N Mo B Al
Q690 Q690C ≤ 0.18 ≤ 0.60 ≤ 2.00 ≤0.030 ≤0.030 ≤ 0.11 ≤ 0.12 ≤ 0.20 ≤ 1.00 ≤ 0.80 ≤ 0.80 ≤ 0.015 ≤ 0.30 ≤ 0.004 ≥ 0.015
Q690D ≤0.030 ≤0.025
Q690E ≤0.025 ≤0.020
Thepa ea Mechini
Q690 Yield Strength (≥N/mm2); Botenya kapa Dia. d (mm)
Standard Kereiti ea tšepe Boleng d≤16 16 40 63
GB/T 1591 - 2008 Q690 C, D, E 690 670 660 640
GB/T 1591 - 2018 Q690M C, D, E 690 680 670 650
Q690 Tensile Strength (N/mm2); d (mm) Elongation
Standard Kereiti ea tšepe Boleng d≤40 40 63 %
GB/T 1591 - 2008 Q690 C, D, E 770-940 750-920 730-900 ≥14
GB/T 1591 - 2018 Q690M C, D, E 770-940 750-920 730-900 ≥14
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