Q265GNH Weathering Resistant Plate
The special chemical composition of Q265GNH weathering resistant structural steel enables the formation of a dense oxide layer on its surface, which prevents further erosion by oxygen, water and other corrosive media and provides better weathering resistance. This makes it resistant to atmospheric corrosion when used outdoors, reducing maintenance and upkeep costs.
Q265GNH Weathering Steel: A steel that improves atmospheric corrosion resistance by adding a small amount of alloying elements such as Cu, P, Cr, Ni, etc., so that it forms a protective layer on the surface of the metal matrix.
Q - yield strength in the first letter of the word "yield" in hanyu pinyin;
355 - the lower limit of the yield strength of steel, unit is N/mm2;
GNH - were "high", "resistant" and "Hou" the first letter of the word hanyu pinyin.
q265GNH corten steel sheet metal chemical composition
|
C |
Si |
Mn |
P |
S |
Cu |
Cr |
Ni |
|
0.12 |
0.10-0.40 |
0.20-0.50 |
0.07-0.12 |
0.02 |
0.20-0.45 |
0.30-0.65 |
0.25-0.50 |
Q265GNH corten steel sheets mechanical property
|
Grade |
Yield Strength(MPa) |
Tensile Strength(MPa) |
% Elongation in 2 in.(50mm) min |
|
Q265GNH |
480 |
345 |
27 |
Allowable deviation of size of Q265GNH weathering corten steel plate
1. The size, shape, weight and permissible deviation of hot-rolled steel plates and strips shall conform to the provisions of GB/T 709.
2. The size, shape, weight and permissible deviation of cold-rolled steel plates and strips shall conform to the provisions of GB/T 708.
3. The size, shape, weight and permissible deviation of steel sections shall conform to the provisions of the relevant product standards.
Q265GNH corten steel metal product details
Q265GNH cor ten weathering steel plate smelting method: the steel is smelted by converter or electric furnace and is sedated steel. Unless the demand side has special requirements, the smelting method is chosen by the supplier.
Q265GNH cor ten steel plate Delivery Status: Hot rolled steel is delivered in hot rolled, controlled rolled or normalized condition, steel with grade Q265GNH can be delivered in quenched and tempered condition, cold rolled steel is generally delivered in annealed condition.
Q265GNH cor ten steel sheet can be heat treated to improve its strength to a certain extent while maintaining good toughness. This gives it an advantage in some structural applications where both strength and toughness need to be considered.
Q265GNH corten steel material product image
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