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EN 10155
ASTM
JIS G3114
NFA 35-502
SEW 087
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BS 4360
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  • SMA 50 AW steel is a structural weathering steel which is also referred to as atmospheric corrosion resistant steel. SMA 50 AW steel chemical composition can increase resistance to atmospheric corrosion compared to other steels. This is because it forms a protective layer on SMA 50 AW steel surface under the influence of the weather, So which could more accurately be termed as an "Atmospheric Corrosion Resistant Steel".
  • SMA 50 CP steel is a structural weathering steel which is also referred to as atmospheric corrosion resistant steel. The main alloying elements are chromium nickel and copper with added phosphorous which gives it excellent self protecting qualities. As the steel reacts with elements in the atmosphere, the material forms a layer of rust over time which in essence protects the steel from corrosion
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