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Corten steel, also called Cor-Ten steel, is a weathering steel that resists corrosion but is not rust-proof. This steel alloy is widely used in landscaping and other outdoor applications because it forms a protective layer of rust after approximately six months of exposure to moisture and oxygen. Since the rust layer (patina) protects the steel from further corrosion, it does not require painting or additional weatherproofing.
It is important to note that to form this protective layer, weathering steel needs exposure to wet-dry cycles. If the Corten steel is submerged in water or buried in wet grounds, it will not form the protective rust layer. Exposure to marine environments or areas close to the ocean may also prevent the protective layer from forming in time to protect the underlying steel.
Wearalloy AR Abrasion Resistant Steel Plates Chemical Composition: | |||
Grade | AR400 | AR450 | AR500 |
Carbon | 0.12/0.16 | 0.18/0.26 | 0.27/0.30 |
Mang. (max) | 1.55 | 1.20 | 0.95 |
Phos. (max) | 0.025 | 0.025 | 0.025 |
Sulphur (max) | 0.005 | 0.005 | 0.005 |
Silicon | 0.35/0.55 | 0.40/0.55 | 0.45/0.55 |
Boron | 0.0005/0.005 | 0.0005/0.005 | 0.0005/0.005 |
Chrome (max) | 0.55 | 0.65 | 0.75 |
Nickel (max) | 0.35 | 0.35 | 0.35 |
Moly (max) | 0.55 | 0.60 | 0.65 |
Hardness (BHN) | 388-430 | 444-475 | 477-534 |
Yield (psi.) | 156,000 | 170,000 | 182,000 |
Tensile (psi.) | 194,000 | 206,000 | 235,000 |
Elongation in 2” | 19% - 23% | 18% - 23% | 17% - 23% |
Abrasion wear resistant steel plates | ||
Standard | Typical Steel Grades | Thickness (mm) |
GB/T 24186 | NM300/NM360/NM400/NM450/NM500/NM550/NM600 | ≤80 |
Har dox | Har dox400/450/500/550/600 | 2≤t≤130 |
AR | AR400/AR450/AR500/AR550/AR600 | 4≤t≤100 |
XAR | XAR400/XAR450/XAR500/XAR550/XAR600 | 4≤t≤100 |
RAEX | RAEX400/RAEX450/RAEX500 | 2≤t≤80 |
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