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Product Name | Weather resistant steel |
Material: | Q235、Q255、Q275、SS400、A36、SM400A、St37-2、SA283Gr、S235JR、S235J0、S235J2 |
Thickness: | 0.2-500mm，etc |
Width : | 1000-4000mm，etc |
Length: | 2000mm, 2438mm, 3000mm, 3500，6000mm,12000mm，or rolled,etc etc |
Standard: | ASTM，AISI，JIS，GB， DIN，EN |
Surface: | Black painted,PE coated,Galvanized,color coated, |
anti rust varnished,anti rust oiled,checkered,etc | |
Technique: | Cold Rolled， Hot Rolled |
Certification: | ISO, SGS，BV |
price terms: | FOB,CRF,CIF,EXW all acceptable |
Delivery Detail: | inventory About 5-7； custom-made 25-30 |
Loading port: | any port in China |
Packing: | standard export packing (inside:water proof paper,outside:steel covered with strips and pallets) |
Payment Terms: | T/T, L/C at sight,West Union,D/P,D/A,Paypal |
Corten is a weathering steel. This material is a corrosion resistant steel, that left uncoated develops an outer layer patina. This patina protects the steel from additional corrosion. It is a high strength steel alloy, and it is used where higher strength and longer life cycle material are desired. Especially in situations where untreated alloys are desired.
As CorTen became more popular over the years other producing mills began to develop their own atmospheric corrosion resistant weathering steels. ASTM stepped in and created what is considered equivalent specifications to Cor-Ten® in most applications.The applicable equivalent ASTM specifications are ASTM A588, A242, which Aakash Steel supplies in plate.
(1)Weathering Resistance
Thanks to high weather resistance, corten steel can be used without painting. Unpainted applications are not only offer the economic advantage of reducing repainting costs; they also offer aesthetic benefits associated with the calming color of the protective rust
(2)Paint Durability
COR-TEN is paintable in the same way as ordinary steel. In addition, even if a painting defect should occur, COR-TEN suppresses the progress of rust area and prolongs the services life of paint, thereby reducing repainting costs.
(3)Weldability
While trace amounts of alloying elements such as copper (Cu) and chromate (Cr) are added to COR-TEN to ensure high weather resistance, the carbon content is lowered to provide appropriate weldability. Accordingly, COR-TEN can be welded using either manual, gas-shield or submerged arc welding.
(4)Workability
COR-TEN possesses workability similar to ordinary steels of same strength.
| ASTM A36 Hot Rolled Steel Plate | ||
| Mechanical Properties | Metric | Imperial |
| Tensile Strength, Ultimate | 400 - 550 MPa | 58000 - 79800 psi |
| Tensile Strength, Yield | 250 MPa | 36300 psi |
| Elongation at Break (in 200 mm) | 20.0 % | 20.0 % |
| Elongation at Break (in 50 mm) | 23.0 % | 23.0 % |
| Modulus of Elasticity | 200 GPa | 29000 ksi |
| Bulk Modulus (typical for steel) | 140 GPa | 20300 ksi |
| Poissons Ratio | 0.260 | 0.260 |
| Shear Modulus | 79.3 GPa | 11500 ksi |
| Grade | C | Si | Mn | P | S | Cu | Cr | Ni |
| Q235NH | ≤0.13' | 0.10-0.40 | 0.20-0.60 | 0.03 | ≤0.030 | 0.25-0.55 | 0.4-0.8 | ≤0.65 |
| Q265GNH | ≤0.12 | 0.10-0.40 | 0.20-0.5 | 0.07-0.12 | ≤0.020 | 0.20-0.45 | 0.3-0.65 | 0.25-0.50 |
| Q295GNH | ≤0.12 | 0.10-0.40 | 0.20-0.5 | 0.07-0.12 | 0.02 | 0.20-0.45 | 0.3-0.65 | 0.25-0.50 |
| Q295NH | ≤0.15 | 0.1-0.50 | 0.3-1 | ≤0.030 | ≤0.030 | 0.25-0.55 | 0.4-0.8 | ≤0.65 |
| Q310GNH | ≤0.12 | 0.25-0.75 | 0.20-0.5 | 0.07-0.12 | ≤0.020 | 0.20-0.5 | 0.3-1.25 | ≤0.65 |
| Q355NH | 0.16 | ≤0.50 | 0.5-1.5 | ≤0.030 | ≤0.030 | 0.25-0.55 | 0.4-0.8 | ≤0.65 |
| Q415NH | ≤0.12 | ≤0.65 | 1.1 | ≤0.025 | 0.03 | 0.20-0.55 | 0.30-1.25 | 0.12-0.65 |
| Q460NH | 0.12 | ≤0.65 | 1.5 | ≤0.025 | ≤0.0304 | 0.20-0.55 | 0.30-1.25 | 0.12-0.65 |
| Q500NH | ≤0.12 | ≤0.65 | ≤2.0 | 0.025 | ≤0.030 | 0.20-0.55 | 0.30-1.25 | 0.12-0.65 |
| Q550NH | 0.16 | ≤0.65 | ≤2.0 | 0.025 | ≤0.0304 | 0.20-0.55 | 0.30-1.25 | 0.12-0.65 |
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