ʻO ka ʻike nūhou paipu kila ʻole

27simnpaipu kila ʻole, ʻo ia hoʻi27SiMn paipu kila maʻemaʻe, ʻO ia kekahi o nā mea no nā paipu kila ʻole.Aia ka ʻike kalapona ma waena o 0.24 a me 0.32%.ʻO ka lālani simn ma muli o nā mea ʻelima (carbon C, silicon Si a me manganese).I loko o Mn, phosphorus P, a me ka sulfur S, ʻo ka ʻike o ka silicomanganese ma kahi o 1.10 a 1.40%.27simn seamless paipu mea kupono no ka mana mana, boiler mea kanu, kemika, kaa, moku lako.
27simn kuʻekuʻe kila kila manaʻo kaumaha kumupaona paipu kila maʻemaʻe no ka mika kaumaha W=0.02466*S(DS)
Hōʻailona Manaʻo: D = Outer anawaena S = Wall mānoanoa helu laʻana: No ka seamless kila paipu me ka waho anawaena o 60mm a me ka paia mānoanoa o 4mm, e helu i ke kaumaha o ka m.
Kaumaha no ka m=0.02466*4*(60-4)=5.52Kg
27siMn paipu kila maʻemaʻe mechanical waiwai 27siMn seamless kila paipu mechanical waiwai [2]
Ka ikaika tensile σb (MPa): ≥980
Ka ikaika σs (MPa): ≥ 835
Elongation δ5/(%): ≥12
ʻO ka emi ʻana o ka ʻāpana ψ/(%): ≥40
Hana hoʻohāhā (waiwai haʻalulu) (Aku2/J): ≥39

ʻO ke kumukūʻai o nā paipu kila ma kahi o 500-800 yuan / ton kiʻekiʻe aʻe ma mua o nā paipu wili wili pololei, a ʻo ke kumukūʻai o nā paipu kila maʻemaʻe ʻo 800-1200 yuan / ton kiʻekiʻe ma mua o nā paipu kila maʻemaʻe. |O ka paipu kila maʻemaʻe ka loaʻa ʻana ma o ka hoʻohaʻahaʻa haʻahaʻa, a ʻo ke kaʻina hoʻohaʻahaʻa haʻahaʻa ʻo ia ke kaʻina ʻōwili mau ʻana kahi i loaʻa ʻole ai ka mandrel o ka metala kumu.Ma ke kumu o ka hōʻoiaʻiʻo ʻana i ka maikaʻi o ka hoʻoheheʻe ʻana o ka paipu makuahine, ʻo ke kaʻina hana hoʻohaʻahaʻa ʻana o ka paipu welded e wela i ka paipu welded holoʻokoʻa i 950 degere Celsius a ʻoi aku paha, a laila i nā ʻano o waho a me nā paia e. he mea hoʻemi hoʻopaneʻe (he 24 ka nui o ka hoʻohaʻahaʻa kikoʻī).He ʻokoʻa loa ka paipu paʻa mānoanoa, ka paipu kila ʻōwili wela i hana ʻia e kēia kaʻina hana a me ka paipu welded kiʻekiʻe maʻamau.Ma hope o ka hoʻomehana ʻana i ka umu wela, hiki ke kūlike ke ʻano metala a me nā waiwai mechanical o ka weld a me ka metala makua.ʻO ka holo ʻana o ka hoʻohaʻahaʻa haʻahaʻa lua a me ka mana ʻakomi e ʻoi aku ka pololei o ka nui o ka paipu (ʻoi aku ka pōʻai o ka paipu a me ka mānoanoa o ka paia) ʻoi aku ka maikaʻi ma mua o ka paipu seamless like.ʻO nā paipu wai a me nā paipu paila i hana ʻia ma nā ʻāina i kūkulu ʻia i ka honua i hāpai i ka nui owelded tube seamless kaʻina hana.Me ka ulu ʻana o ke kaiāulu, ua hoʻololi mālie nā paipu welded home wela i nā paipu seamless.

ʻO ka paipu kila maʻemaʻe he ʻano kila ʻāpana lōʻihi me ka ʻāpana hakahaka a ʻaʻohe humu a puni.ʻO ka hao he ʻāpana hakahaka, ka nui o nā paipu i hoʻohana ʻia no ka lawe ʻana i nā wai, e like me ka lawe ʻana i ka aila, ke kinoea maoli, ke kinoea, ka wai a me kekahi mau mea paʻa e like me nā paipu.Hoʻokaʻawale ʻia ka paipu seamless i loko o nā paipu wela, nā paipu anu, nā paipu huki anu, nā paipu extruded, nā paipu jacking.Hoʻohana ʻia ka paipu kila maʻemaʻe no ka lawe ʻana i ka wai no ka lawe ʻana i ka wai, ka aila, ke kinoea a me nā wai ʻē aʻe ma ke ʻano maʻamau.Hoʻohana ʻia ka paila haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa ʻia i ka hana ʻana i nā ʻano like ʻole o ka haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa a me ka haʻahaʻa puʻupuʻu paila ʻauʻau nui, nā paipu wai hoʻolapalapa a me ka pahu wai locomotive boiler tube, ka paipu uwahi, ka paipu liʻiliʻi a me ka paipu pōhaku lepo me ka kiʻekiʻe. ʻano kalapona Paipu kila hoʻowili wela a huki anu anu.ʻO ka ʻokoʻa ma waena o nā paipu kila maʻemaʻe no ka wai a me nā paipu kila liʻiliʻi no nā paila haʻahaʻa a me waena: ʻO nā ʻokoʻa ma waena o GB / T8163-1999 a me nā paipu kila maʻemaʻe ʻole no nā paipu kila liʻiliʻi a me nā paila haʻahaʻa a me waena. paipu kila maʻemaʻe me ka ʻāpana hakahaka me ka hoʻopuni ʻole ʻana i ke kila lōʻihi.ʻO ka hao he ʻāpana hakahaka, ka nui o nā paipu i hoʻohana ʻia no ka lawe ʻana i nā wai, e like me ka lawe ʻana i ka aila, ke kinoea maoli, ke kinoea, ka wai a me kekahi mau mea paʻa e like me nā paipu.Hoʻokaʻawale ʻia ka paipu seamless i loko o nā paipu wela, nā paipu anu, nā paipu huki anu, nā paipu extruded, nā paipu jacking.Paipu kila maʻemaʻe no ka hoʻouna ʻana i ka waihoʻohana ʻia no ka lawe ʻana i ka wai, ka aila, ke kinoea a me nā wai ʻē aʻe ma ke ʻano maʻamau.Hoʻohana ʻia ka paila haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa ʻia i ka hana ʻana i nā ʻano like ʻole o ka haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa a me ka haʻahaʻa puʻupuʻu paila ʻauʻau nui, nā paipu wai hoʻolapalapa a me ka pahu wai locomotive boiler tube, ka paipu uwahi, ka paipu liʻiliʻi a me ka paipu pōhaku lepo me ka kiʻekiʻe. ʻano kalapona Paipu kila hoʻowili wela a huki anu anu.