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Q355D steel phaj

Lub zog qis qis Q355D steel phaj zoo dua siv ntau dua li cov pa roj carbon monoxide Q235B.Q355D steel ntawv yuav tsum tau ua Charpy V cuam tshuam kev xeem ntawm -20 Degree Centigrade thaum muab.Q355D steel khoom yog sib npaug rau S355J2 steel khoom hauv European specification EN 10025 -2.
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