Mpempe akwụkwọ nchara & akwa & cils
2507 (Shen 40-45), ya na 25-26 cr ma mụbaa mo ma ma e jiri ya tụnyere akara nke 50cr. Nnukwu igwe anaghị agba nchara na-acha odo odo na ike pụrụ iche na corrosion na-eguzogide oke maka usoro kemịkal, ngwa nke mmiri.
Ogwe gbara gburugburu Duplex pụtara na-egosikwa na-arụ ọrụ nkwụsi ike. A na-ejikwa ike nrụgide chloride na Duplex 2205 (1.4462) Ogwe gburugburu na 150¡ã. 2205 igwe anaghị agba nchara gburugburu ụlọ mmanya na-egosi na ọ bụ onye ndochi dị mma maka steeltiiki steel na mmiri. A na-eji ihe eji eme ihe eji eme ihe maka ihe eji eme ya. BUNPEX 2205 gbara gburugburu bụ ihe a na-ejikarị ụdị nchara. Enwere ọkọlọtọ mpaghara, Super Duplex na Leag Duplextion na Bankxexxexxexxxexxxexxxxxexxexxxxxxexxxxxxxxxxxxx a na-ejighị igwe eji eme ihe. Duplex na-enweghị igwe kwụ uwe ojii gburugburu ụlọ mmanya nwere ike igosipụta ihe dị ka ugboro 2 dị elu karịa ọtụtụ nchara allenitic anaghị agba nchara.