ASTM A182 F904L Flinge bụ ihe mgbochi na-anaghị akwụ ụgwọ nchara nchara na ọdịnaya carbon dị ala. A na-agbakwunye ọla kọpa na ọla kọpa iji meziwanye nguzogide ya acids siri ike, dị ka sulfuric acid. Na nchara ahụ na-eguzogide nrụgide corrosion cracking na corvice corrosion.
