Q355b steel phaj
Lus piav qhia luv luv:
Q355b loj txoj kab uas hla tuab phab ntsa steel yeeb nkab yog ib yam khoom.Nws siv los hu ua seamless steel yeeb nkab.Cov ntsiab lus carbon ntawm cov hlau yog li 0.16%.Mn tau muab cais tawm vim muaj cov ntsiab lus siab ntawm manganese hauv tsib lub ntsiab lus (C, Si, Mn, P, s).
Cov yam ntxwv tseem ceeb ntawm cov yeeb nkab phab ntsa tuab: kev ua haujlwm zoo, kev ua haujlwm kub qis, txias stamping kev ua tau zoo, vuam kev ua tau zoo thiab machinability.
