ASTM B462 na-enweghị isi n08020 na flinge
ASTM B462 na-enweghị isi n08020 na flange 20 flanges na-enye ezigbo arụmọrụ na sulfuric acid na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ nke 20% ka ọfụma acid.
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ASTM B462 na-enweghị isi n08020 Spall na Flinge the Alloy 20 bụ Nionitic Niobium-alloy siri ike nke nwere nickel na carbon carbon. Ihe mejupụtara kemịkalụ nke alloy 20 flanges ga-ewegụ nickel, chromium, na iron, tinyere ihe ndị ọzọ dị ka molybim na ọla kọpa. A maara alloy 20 mara mma maka nguzogide ya, ọbụlagodi na gburugburu kemịkal siri ike. Alloy 20 Pic na-egosi nnukwu nguzogide na-egosi na gburugburu ya nwere citric acid, phosphoric acid, sulfuric acid, na chloric. A maara ihe ASTM B462 na-enweghị isi N08020 maka ezigbo ihe akụrụngwa ya, ọbụlagodi na okpomọkụ dị elu.
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