Gnee (Tianjin) Multinational Trade Co., Ltd.

Gnee (Tianjin) Multinational Trade Co., Ltd.

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Q390B Q390D High Tensil Low Alloy Steel Plates HSLA

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Province/State:henan
Country/Region:china
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Q390B Q390D High Tensil Low Alloy Steel Plates HSLA

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Brand Name :Gnee
Model Number :According to customer requirements
Certification :SGS
Place of Origin :Tianjin, China
MOQ :1 Ton/Tons
Price :$700 / Ton
Payment Terms :D/A, D/P, L/C, T/T, Western Union, MoneyGram
Supply Ability :800 Ton/Tons per Week
Packaging Details :Properly packed for ocean freight exportation in containers 1. Bundle 2. Water-proof Draft Paper
Standard :ASTM,DIN, GB, JIS, EN
Grade :Q390B Q390D
Type :Steel plate/sheet/
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‌Q390B alloy steel plate is a low alloy high strength structural steel with excellent comprehensive mechanical properties‌.

‌Q390B low alloy steel material has a low brittle transition temperature, which can prevent the material from brittle fracture when impacted or vibrated. ‌Q390B high strength low alloy steel is also suitable for a variety of welding techniques, easy to process and manufacture, and can be used in a variety of environments, including corrosive industrial environments.

‌Q390D alloy steel plate is a low-alloy high-strength structural steel with a yield strength of not less than 390MPa and a tensile strength between 490 and 650MPa, which can withstand greater pressure and bending stress.

‌‌Q390D high strength low alloy plate has excellent mechanical properties, good ductility, toughness, cold forming performance and welding performance. ‌Q390D low alloy steel sheet can be further improved through surface treatment technology to ensure the long-term stability of the structure.

‌‌Q390D high strength steel plate engineering application: especially suitable for large structural parts such as power towers, various types of cranes, heavy vehicles, oil derricks, high-temperature fans, etc.

Mechnical property for Q390B low alloy structural steel:

Thickness (mm)
Q390B ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 390 370 350 330
Tensile strength (Mpa) 490-650


Chemical composition for Q390B low alloy structural steel (Heat Analysis Max%)

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

Q390D Alloy Steel Plate Chemical Composition

C Si Mn P S V Nb Ti Al (min.) Cr 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

Q390D High Strength Steel Sheet(HSLA) Mechanical Property

Thickness (mm)
Q390D ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 390 370 350 330
Tensile strength (Mpa) 490-650

Q390B Q390D High Tensil Low Alloy Steel Plates HSLA

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