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Kainga > Hua > Pereti maitai > Kaha Teitei Iti Alloy Steel
Q420D pereti maitai
Q420D pereti maitai
Q420D pereti maitai
Q420D pereti maitai

Q420D pereti maitai

GB/T1591 Q420 kei roto e rima nga reanga rino rereke rite Q420A,Q420B,Q420C,Q420D me Q420E.Ka mahia nga whakamatautau whakaraerae Q420D Structural maitai i te pāmahana iti haunga te 20 tohu centigrade.Normalised te maimoatanga wera e whakaarohia ana kia mahia mo te iti o te pereti rino koranu. Q420D i roto i te matotoru taimaha.
Hangahanga matū
Nga huānga matū matua hanganga o Q420D
C Si Mn P S V Nb Ti Al (min.) Cr 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
Taonga Miihini
Mātotoru (mm)
Q420D ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Te kaha tuku (≥Mpa) 420 400 380 360
Te kaha o te kaha (Mpa) 520-680
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