DX51D-brand steel products
Characteristics of DX51D-brand steel
DX51D steel is highly ductile and flexible. It is used in complex dep-draught components and conforms to the BS EN 10346:2015 standard.
Classification: Ductile and flexible structural steel.
Product: Continuous hot-dip coated steel.
Chemical composition of DX51D steel, %
|
С |
Si |
Mn |
P |
S |
Ti |
|
<0.18 |
<0.5
|
<1.2
|
<0.12
|
<0.045
|
<0.03
|
Mechanical properties of DX51D steel
|
Steel brand |
Nominal gauge, mm |
Minimum yield strength, ReH (MPa) |
Minimum elongation ratio σ, % |
|
DX51D |
0.57-2.00 |
270-500 |
22 |
Analogues to DX51D steel
|
US (AISI, ASTM, ASME) |
ASTM A653/A653M Class B |
|
Germany (DIN) |
1.0322, 1.0335, DC01, DC04, DC04G1, DD11, DD13, St12, St14, St22, StW24, USt3, USt4 |
Application
Galvanised steel is widely used in a variety of products. It is often used in facade and roofing materials for the construction industry, including flue pipes, corrugated boards, guttering and all systems that are exposed to high levels of moisture. It is also used in agricultural equipment for granaries and barns.
Welding
Galvanised steel is ideally suited to laser welding, which is distinguished by its narrow seams (just a few millimetres) and low heat input. Any type of fusion welding necessitates minimising the area of galvanised-steel plate exposed to heat and subsequent heat input. Like scratched surfaces, sections with beading welds are protected against cathodic corrosion by their zinc-coating. Nonetheless, it is advisable to paint or otherwise apply protective coatings to welded sections.
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