S250GD Hot dip Aluminized or Aluminium-Silicon(AS) steel

 

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ASK : What’s the S250GD+AS Hot dip Aluminized or Aluminium-Silicon(AS) steel ?

ASNSWER: S250GD+AS is a Hot dip Aluminized steel material grade under EN10346 standard, S250GD+AS also should be called Aluminium-Silicon(AS) steel, because it’s surface coating is 92%-89% Al + 8%-11% Si.