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Ụlọ > Ngwaahịa > Efere ígwè > Hight Ike Low Alloy Steel
Q690C ígwè efere
Q690C ígwè efere
Q690C ígwè efere
Q690C ígwè efere

Q690C ígwè efere

Efere ígwè emere site na ihe Q690 nwere ike mkpụrụ dị elu na ike ntanye ma na-ejikarị ya na igwe igwe na-egwupụta coal na igwe injinia, dị ka nkwado hydraulic, cranes ọdụ ụgbọ mmiri, gwongworo dị larịị na ihe ndị ọzọ.
Ngwakọta kemịkalụ
Ngwakọta kemịkalụ Q690 (%)
Ọkwa ígwè Ogo ogo C Si Mn P S Nb V Ti Cr Ni Ku 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
Ngwongwo igwe
Ike Mpụta Q690 (≥N/mm2); Ọkpụrụkpụ ma ọ bụ Dia. d (mm)
Ọkọlọtọ Ọkwa ígwè Ogo 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
Ike tensile Q690 (N/mm2); d (mm) Ogologo oge
Ọkọlọtọ Ọkwa ígwè Ogo 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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