20 # paipu kila ʻole
ʻO ka wehewehe pōkole:
Hoʻopuka kikoʻī:
ʻO ke anawaena o waho o ka paipu kila 20-426
ʻO ka mānoanoa o ka paia paipu kila o 20-426
Hana ʻia ka paipu kila 20 # me ke kila 20 #, me ka ikaika ʻoi aʻe ma mua o 15 #, ʻaʻole hiki ke kinai ʻia a ʻaʻohe mea hoʻonāukiuki.He kiʻekiʻe ka plastic deformation anuanu, maʻamau no ke kulou ʻana, ka calendering, ka kuʻi ʻana a me ka hana ʻana i ka hāmare arch, maikaʻi ka hana kuʻi ʻana o ka wili arc a me ka hoʻopili pili ʻana, ʻuʻuku ka mānoanoa hoʻoheheʻe kinoea, ʻo ke ʻano o nā koi koʻikoʻi a i ʻole ke ʻano paʻakikī o ka mea hana he maʻalahi ke haki. .ʻOi aku ka maikaʻi o ke kaha kiʻi anuanu a i ʻole ka normalizing state ma mua o ka annealing state, maʻamau i hoʻohana ʻia no ka hana ʻana i nā koina liʻiliʻi a me nā koi ikaika o ka mea hana.
ʻO ka mea o 20 # seamless kila paipu mea: kiʻekiʻe kalapona structural kila
Helu Brand: 20#
Kūlana: GB8162-2018
GB/T8163-2018
GB3087-2008
GB9948-2013
GB5310-2017