Ngwakọta ọkpọkọ ngwa ngwa C-276 na-ezo aka na ụlọ ọrụ emepụtara maka ihe eji eme ihe eji eme ihe ASTM B366. Enwere ike ịkọwapụta ya dị ka chc276 (corrosion na-eguzogide) ma ọ bụ WHHCC276 (asme na-efe efe). Enwere ike ịmepụta fittings site na pipe ma ọ bụ tube nke ASTM B619, B627, B627, mpempe akwụkwọ ma ọ bụ akara ASTM B564, B462, B472, B472, B472, B472, B472, B472, B574, B474, B474, B474, B474, B474, B474, B472, B472, B474, B472, B472, B472, B474, B474, B474, B472, B472, B474, B474 N10276. A na-enye faits c-276 na-enyekarị na ụdị 3 njikọ: Ma ịgbado ọkụ, e ji agbado ọkụ, na-ekpuchi usoro dị iche iche.