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Home > Products > Steel Plate > High Strength Low Alloy Steel

Q390B steel plate

Steel grade Q390B is under steel specification GB/T1591 which is for high strength low alloy structural steels.When customers need special sizes for steel Q390B useage,Xinsteel has the ability to cut and weld in our processing plant for small parts,round plate,seal head and other frames
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Email : sale@gneesteel.com
Mobile: +86 15824687445 kelly
Address: FLAT/RM 1512 15/F LUCKY CENTRE NO.165-171 WAN CHAI ROAD WAN CHAI HK
Chemical Composition Mechanical Property
Chemical Composition
Main chemical elements composition of Q390B
C Si Mn P S V Nb Ti Cr Ni
0.20 0.55 1.00-1.60 0.040 0.040 0.02-0.20 0.015-0.060 0.02-0.20 0.30 0.70
Mechanical Property
Thickness (mm)
Q390B ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 390 370 350 330
Tensile strength (Mpa) 490-650
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GNEE Steel was established in 2008. With over ten years of continuous development, we have grown into a professional steel manufacturing & processing solution provider. We serve global clients with reliable steel products and custom fabrication services.
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Email: sale@gneesteel.com
Phone: +86 15824687445
WhatsApp/Wechat ：+86 15824687445
Skype: mmkelly1314
Address:FLAT/RM 1512 15/F LUCKY CENTRE NO.165-171 WAN CHAI ROAD WAN CHAI HK
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