hot-rolled coil SMA490AW mechanical properties production line

On 18th December, 2019, BBN Group decorated the office SMA490AW mechanical properties building with many kinds of pendant. There were christmas trees, gifts and snowflakes in the logo wall. At the same time, we made a video at the Zhengzhou office to celebrate the coming Christmas holiday. Our SMA490AW mechanical properties oversea sales team and market delevopment team wish you Merry Christmas and Happy New Year. Besides, we prepare some meaningful gifts for our old customers.

SMA490AW mechanical properties, Q345B low alloy steel plate composition:
1) Low carbon: Due to the high requirements for toughness, weldability and cold forming properties, its carbon content does not exceed 0.20%;
2) Add manganese-based alloying elements;
3) Adding auxiliary elements such as niobium, titanium or vanadium: a small amount of niobium, titanium or vanadium forms fine carbides or carbonitrides in the Q345B steel, which is conducive to obtaining fine ferrite grains and improving the strength and toughness of the steel;
In addition, adding a small amount of copper (≤0.4%) and phosphorus (about 0.1%) can improve the corrosion resistance. Adding a small amount of rare earth elements can desulfurize and degas, purify steel, improve toughness and process performance.

EN10149-2 S315MC pickling plate chemical composition (melting analysis)%
C: ≤0.12, Si: ≤0.50, Mn: ≤1.3, P: ≤0.025, S: ≤0.020, Ait: ≥0.015, Nb: ≤0.09, V: ≤0.20, Ti: ≤0.15
Mechanical properties
Yield strength MPa: ≥315
Tensile strength MPa: 390-510
Elongation: ≥21

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