Mpempe akwụkwọ nchara & akwa & cils
Enwere ike iji AVTM A335 P22 P22 A pụrụ iji enwere ike iji ya na usoro usoro na-enweghị cracking. Enwere ike ịwụpụ a, gbafuo, nke gbagọrọ agbagọ na furded. Ọ nwekwara ike tensile dị elu, na-eguzogide na ike nweta ike.
Offegian
Kondonese
Aru
Romania
Nchara nchara & tube
Nwoke nwoke
A na-ejikarị ASTM A860 MSS SP 75 WHHY 52 A860 WHHY Classip 52 pipe.
Kororo Korean
Igwe anaghị agba nchara