Q390B Low-alloy steel plate
Q390B Alloy Steel Plate Products Description
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.
Engineering application of Q390B low alloy steel
Widely used in boilers, pressure vessels, ships and other fields.
Used to manufacture various types of engineering machinery, such as cranes, excavators, mining machinery, etc.
Suitable for applications with high loads such as building structures, bridges and heavy machinery.
Q390B Low-Alloy Steel Plate Products Details
►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 |
Q390B HSLA Steel Plate Products Image
Q390B High Strength Alloy Plate Product Packaging Testing
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