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Ile > Awọn ọja > Irin Awo > Hight Agbara Low Alloy Irin

Q390D irin awo

GB / T1591 Q390 ni marun ti o yatọ irin onipò bi Q390A,Q390B,Q390C,Q390D ati Q390E.Structural irin Q390D shall be done impacting test at low temperature minus 20 degree centigrade.Normalised ooru itọju daba lati ṣee ṣe fun kekere alloy irin awo awo. Q390D ni eru sisanra.
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Kemikali Tiwqn Mechanical Ini
Kemikali Tiwqn
Awọn eroja kemikali akọkọ ti Q390D
C Si Mn P S V Nb Ti Al (min.) Kr Ni
0.20 0.55 1.00-1.60 0.030 0.030 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.30 0.70
Mechanical Ini
Sisanra (mm)
Q390D ≤ 16 > 16 ≤ 35 > 35 ≤ 50 > 50
Agbara ikore (≥Mpa) 390 370 350 330
Agbara fifẹ (Mpa) 490-650
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