Semi wuru Flange A182 f9 wn Exange ọtụtụ ndị na-agụnye mpempe akwụkwọ
A na-ahụta B7 BOTS B7 Bols maka ngwa ruru 45006Ãc n'ihi okpomọkụ a na-emeso chrome molybim lue. B7 Bolts na-eji eriri nwoke nwere eriri na ọnya hex mere ka ọ bụrụ onye a ga-eme. Enwere ike iji ya nke ọma ma ọ bụ nke na-enye ya ihe ma na-enye ya okpu OX.
ASTM A193 na-eji oke ọnụ na mmanụ ụlọ na kemịkalụ. Standard Standard na-ekpuchi alloy steel na igwe anaghị agba nchara maka oke okpomọkụ ma ọ bụ ọrụ nrụgide dị elu. ASTM bụ usoro a na-enyocha ule ahụ ma na-esetị aka na teknụzụ maka ubi ngwaahịa, ihe, sistemụ, sistemụ, sistemụ, sistemụ, na ọrụ. Ọtụtụ ụkpụrụ Federal, steeti na-anabata iwu gọọmentị nke ASTM. Iji kọwaa nke ọma, B7 Alloy steel bụ ọkwa okpomọkụ dị elu nke A-193. B7 nchara bụ chrome moly steel na obere tensile ike nke 125ksi.