Steel corten B material weather resistant steel sheet

Steel corten B belongs to a grade of Cu-P series steel in the United States. This material is a low-alloy high-strength atmospheric corrosion-resistant structural steel.
Steel corten B plate and sheets are produced within thickness 1.50-40.0 mmand width up to 1860 mm as coil, slit coil and cut to length and 3300 mm as plate. Length up to 15 meters as cut to length and 12 meters as plate.
Corten B material equivalent

Material #	EN 10155	UNI	BS 4360	ASTM A588	ASTM A242
1.8959	S355J0W	Fe 510 C2K1	WR 50 B	A588 Grade A	A242 Type 1

Chemical composition(%)

Carbon, max	0.19
Manganese	0.80 - 1.25
Phosphorous,max	0.035
Sulfur,max	0.030
Silicon	0.30 - 0.65
Chromium	0.40 - 0.65
Vanadium	0.020 - 0.06
Nickel, max	0.40
Copper	0.25 - 0.40
Aluminum	0.020 - 0.06

Mechanical properties

Grade	Yield Strength, min MPa	Tensile Strength, min MPa	Elongation %,in 50mm
corten B	345	485	19

Steel corten B refers to a low-alloy structural steel with a protective rust layer that resists atmospheric corrosion and can be used to manufacture steel structures such as vehicles, bridges, towers, and containers. Compared with ordinary carbon steel, corten B material has better corrosion resistance in the atmosphere.

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