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Ọnọdụ:
Ụlọ > Ngwaahịa > Efere ígwè > Hight Ike Low Alloy Steel
Q690F ígwè efere
Q690F ígwè efere
Q690F ígwè efere
Q690F ígwè efere

Q690F ígwè efere

A na-eji efere ígwè Q690F arụ ọrụ nke àkwà mmiri, okporo ụzọ awara awara na ihe owuwu injinịa ndị ọzọ
Ngwakọta kemịkalụ
Ọkwa ígwè C% kacha Si% kacha Mn% kacha P% kacha S% kacha Cu% kacha Cr% kacha Ni% kacha M% max B% kacha V% kacha Nb% kacha Nke % max
Q690E 0.2 0.80 1.8 0.025 0.015 0.5 1.5 2 0.70 0.005 0.12 0.06 0.05
Ngwongwo igwe
Ọkwa ígwè Nyeghachi ike Mpa min Nyeghachi ike Mpa min elongation% Ike na okpomọkụ
Min 0 -20 -40 -60
  t≤50 50-100 100-150 t≤50 50-100 100-150   J J J J
Q690E 690 650 630 770-940 760-930 —— 14 47 47 34 34
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