carbon újị 12.9 zuru ezu na bolts Stut Bolts Fasteners din975
Ndozi ASTM A234 anaghị ekpuchi ihe nkedo ma ọ bụ ihe na-eme ka eji mee ihe.
A na-emepụta ọkwa nke ASTM A105 na-enweghị isi na-enweghị nchịka nke carbon steel. ASTM A10 na - emepụta ihe na kemịkal nke nickel, Chromium, Molybum, ọla kọpa, na vanadium. Enyemaka ndị a dabara na ijikọ akara piping dị iche iche na ụlọ ọrụ mmanụ na mmanụ. Ihe ruru ASTM A105 pipe na-enyere aka na-emetụta njirimara nke mgbasa ozi na sistemụ. A ga-eri nri ndị a ma welded. A na-ahụ fitches a105 socket fuld fitt na obere ọkpọkọ maka nrụgide dị ala. N'ime ndị a dabara na ha nwere socket sels, na-enye ha ohere ịdọrọ site na iji otu fild fild. Anyị bụ ndị na-eme ihe ngosi A105 nwere nnukwu ngwa ahịa nke ikpere, onye ọ bụla nwere oke na radius a kapịrị ọnụ iji hụ na usoro mgbasa ozi dị mma. A na-emepụta usoro A105 na ụdị nke T ma nwee oghere abụọ na ogo 90 na otu nnukwu njikọ. ASTM A105 Ahịrị nke e ji eri nwere eriri nke nwere ike merụọ eriri na akara ule ndị ọzọ. Enwere ike ịwụnye ya n'ụzọ dị mfe ma na-atụkwa ya. Iko A105 bụ ihe nkwụnye nke a na-eme na nsọtụ nke ọkpọkọ iji jikọọ ha kpamkpam.