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Lakay > Pwodwi yo > Plak asye > Hight fòs Low Alloy Steel
Q690C asye plak
Q690C asye plak
Q690C asye plak
Q690C asye plak

Q690C asye plak

Plak asye ki fèt ak materyèl Q690 gen gwo fòs sede ak fòs rupture epi yo lajman ki itilize nan machin min chabon ak machin jeni, tankou sipò idwolik, trepye pò, kamyon plat ak sou sa.
Konpozisyon chimik
Q690 konpozisyon chimik (%)
Steel Klas Kalite Klas C Si Mn 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
Pwopriyete mekanik
Q690 Sede fòs (≥N/mm2); Epesè oswa Dia. d (mm)
Estanda Steel Klas Kalite 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 Fòs Tensile (N/mm2); d (mm) Elongasyon
Estanda Steel Klas Kalite 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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