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You are here : section steel--Katalor steel > Channel steel > 正文ASTM A242 channel steel

ASTM A242 channel steel

ASTM A242 channel steel is a high strength low-alloy structural steel in ASTM specification with improved atmospheric corrosion resistance. This specification is normally applicable to steel plates through one-half inch in thickness.

The atmospheric corrosion resistance of ASTM A242 channel steel is substantially better than that of carbon steels such as A36 and A572-50 with or without copper addition. When properly exposed to the atmosphere, A242 is suitable for many applications in the unpainted condition. ASTM A242 channel steel is a weathering steel which develops a natural rust patina which protects the steel from exposure.

ASTM A242 channel steel is mainly applied for container. ASTM A242 channel corrosion resistant steel’s applications can also be found in architecture, smokestacks, fabrication, freight wagons, soils, pylons, bridges etc.

Mechanical property for ASTM A242 channel steel:

Thickness(mm)	Yield strength (Mpa) Min.	Tensile strength (Mpa) Min.	Elongation in ≥,%
200mm	50mm
T≤20	345	485	18	21
20<T≤40	315	460	...	21
40<T≤100	290	435	...	21

Chemical composition for ASTM A242 channel steel (Heat Analysis Max%)

C	Mn	P	S	Cu
0.15	1.00	0.15	0.05	0.20

As a professional globe ASTM A242 channel corrosion resistant steel supplier, Katalor promise we can offer you the qualified ASTM A242 channel steel with best quality, most reasonable price and rapid delivery time. Sincerely hope to establish long term cooperation relationship with you, any questions, please contact us for free.