Atmospheric Steel

Atmospheric Steel

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What is Atmospheric Steel?

Atmospheric Steel,also called corten  steel,atmospheric corrosion resistant corten steel,Weathering Steel,Corrosion Resistant Steel.

COR-TEN steel is becoming more popular by roll formed product end-users. Its unique look and naturally oxidizing finish make it especially desirable for many architectural projects. Weathering steel, best-known under the trademark COR-TEN steel, is a group of steel alloys which were developed to obviate the need for painting, and form a stable rust-like appearance if exposed to the weather for several years. Weathering steel has increased resistance to atmospheric corrosion when compared to other steels. COR-TEN resists the corrosive effects of rain, snow, ice, fog, and other meteorological conditions by forming a coating of dark brown oxidation over the metal, which inhibits deeper penetration and negates the need for painting and costly rust-prevention maintenance over the years. In simple terms the steel is allowed to rust and that rust forms a protective coating that slows the rate of future corrosion.

 

Is weathering steel the same as corten steel?

Often used interchangeably, Corten and weathering steel are essentially the same material, offering enhanced strength and corrosion resistance. Corten steel is ideal for outdoor architectural and landscaping projects, exhibiting a patina (rust) that provides a protective layer from corrosion and atmospheric elements.

 

Is corten steel the same as mild steel?

Corten Steel and Mild Steel are Carbon Steels. Both made from Iron with slightly different chemical compositions. Corten Steel develops a protective layer that slows down the corrosion process. Mild Steel does not form a protective layer but aesthetically is very similar to Corten Steel.

 

Why is corten steel so expensive?

However, given Corten's longevity and lower maintenance needs, it represents a long-term investment. Mild steel is certainly a cost-effective alternative, but if a protective coating, such as powder coating or galvanising, is applied for added longevity, the cost comparison with Corten starts to level out.

 

Can you weld corten steel?

Yes, it is possible to weld corten steel to mild steel, but it requires careful attention to detail to ensure a strong and durable weld. Welders should use specialized welding techniques and filler materials, such as an E7018 electrode, to achieve the desired results.

 

How much does a sheet of corten steel cost?

24 ga x 38" x 6' Corten Steel Sheets

Quantity	1-9	51+
Price for each	$58.19	$37.79
Your savings	-	35%

 

Can I paint corten steel?

Extra Protection: Although Corten steel is durable, certain environments-like those with high humidity or saltwater exposure-can cause it to degrade faster. Paint adds a layer of defence. Uniform Finish: If your steel has uneven weathering or discolouration, paint can create a smooth and consistent surface.

 

Is corten steel better than stainless steel?

Unlike stainless steel, Corten Steel is a distinct type of alloy designed to weather gracefully over time, offering structural strength and an aesthetic quality that sets it apart.

 

Can you cut corten steel?

Corten steel cuts much the same as mild steel, but it is a bit tougher because of the copper and chromium mixed in. If you are set up with the right gear, it is straightforward. I usually grab an angle grinder with a good cut-off wheel for sheet metal or a plasma cutter if I want a really clean edge.

 

Can stainless steel be welded to corten steel?

The underframe assembly of rail coaches is manufactured with the help of metal active gas welding process. Both ends of the austenitic stainless steel plate are welded to corten steel on the floor assembly of the coaches. The butt weld is done to the joint.

 

 

Thickness	Length	Width	Weight (lbs/ft)
1/2″	120.00″	48.00″	20.420
1/4″	120.00″	60.00″	10.210
1/4″	120.00″	48.00″	10.210
3/8″	120.00″	48.00″	15.315

 

CORTEN	Corten A	Corten B
ASTM A588/A588M	A588 Grade A	A588 Grade B	A588 Grade C	A588 Grade K
ASME SA588/SA588M	SA588 Grade A	SA588 Grade B	SA588 Grade C	SA588 Grade K
EN 10025-5	S235J0W	S235J2W	S355J0WP	S355J2WP
	S355J0W	S355J2W	S355K2W
EN 10155	S235J0W	S235J2W
	S355J0WP	S355J2WP
	S355J0W	S355J2G1W	S355J2G2W	S355K2G1W
	S355K2G2W
TB/T 1979	08CuPVRE	09CuPTiRE-A	09CuPTiRE-B	09CuPCrNi-A
	09CuPCrNi-B	05CuPCrNi
GB/T 4171	Q295GNH	Q345GNH	Q265GNH	Q310GNH
	Q235NH	Q295NH	Q355NH	Q415NH
	Q460NH	Q500NH	Q550NH
JIS G 3114	SMA400AW	SMA400BW	SMA400CW
	SMA400AP	SMA400BP	SMA400CP
	SMA490AW	SMA490BW	SMA490CW
	SMA490AP	SMA490BP	SMA490CP
	SMA570W	SMA570P
JIS G3125	SPA-H	SPA-C

Product Name	weathering resistant steel
Grade	corten A corten B S235J0W, S355J0W, S355J2WP, S355J2W, SPA-H,etc
Surface	clean or as customer's requirements
Standard	GB JIS ASTM EN etc
Technique	hot rolled or cold rolled
Thickness	0.5MM-30MM
Width	600-3000mm or as required
Length	1000-12000mm or as required
Application	This kind of steel has a good resistance to atmospheric corrosion, so it is widely used for producing container, automobile, railway vehicle, truck, seaport building, oil production platform, chemical petroleum equipment, construction buildings etc other industrial facility.
Export packing	Steel strips package or seaworthy packing

 

 

Weathered steel finishes begin with a topcoat made of copper, phosphorus and silicon. It forms a textured, oxidized surface film on the panel, and over time, as the panel is exposed to different weather conditions such as rain or snow, it begins to rust to a distinctive bronze color.

 

Weathering steel is extremely resistant to corrosion caused by weather and other atmospheric conditions. Once the coating is gone, the steel ionizes, which keeps the steel from continuing to rust and you don't have to worry about panels rusting all the time. Steel base layers last as long as other finishes (so your roof or siding can last 40 to 70 years).

 

 

 

 

 

 

 

 

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