316 paipa kowiri tira Tuku Uiui Kōrerorero ora Taipitopito Hua Tohutohu:Kowiri tira paipa tuituiKowiri tiraKowiri tira Paipa Tuhinga o mua: ASTM A312 Stainless steel seamless pipe Panuku: ASTM A269 Kowiri tira ngongo korekore Hua e Pa ana ngongo kowiri tira Kowiri tira paipa paipa 304 316L 2B Kua Oti