1, haʻahaʻa alloy kiʻekiʻe structural kila

Hoʻohana ʻia i loko o nā hale, nā alahaka, nā moku, nā kaʻa, nā moku kaomi a me nā hale ʻē aʻe, ʻaʻole i ʻoi aku ka nui o ka carbon content (melting analysis) ma mua o 0.20%, ʻaʻole i ʻoi aku ka nui o ka ʻike alloying element ma mua o 2.5%, ʻaʻole emi ka ikaika o ka hua. ma mua o 295MPa, loaʻa ka hopena maikaʻi i ka paʻakikī a me nā waiwai wili o ke kila kila haʻahaʻa.

2, kalapona kila kila

ʻO ke kila kalapona i hoʻohana ʻia i nā hale, nā alahaka, nā moku, nā kaʻa a me nā hale ʻē aʻe, pono e loaʻa kahi ikaika, nā waiwai hopena a me nā waiwai welding inā pono.

3. Ke kila no ke kūkulu hale

ʻO ke kila i hoʻohana ʻia i ke kūkulu ʻana i nā hale kiʻekiʻe a me nā hale koʻikoʻi.Pono e loaʻa i ka paʻakikī o ka hopena kiʻekiʻe, ka ikaika kūpono, ka hana kuʻi ʻana maikaʻi, kahi lākiō ikaika flexural, a me ka hana kuhikuhi mānoanoa inā pono.

4. Ke kila no na Alahaka

ʻO ke kila i hoʻohana ʻia i ke kūkulu ʻana i nā alahaka a me ke alaloa.Pono e loaʻa ka ikaika kiʻekiʻe a lawa ka paʻakikī, ka ʻike haʻahaʻa haʻahaʻa, ka haʻahaʻa haʻahaʻa haʻahaʻa maikaʻi, ka ʻelemakule naʻau, ka luhi luhi a me ka hana wili.ʻO ke kila nui ʻo Q345q, Q370q, Q420q a me nā mea hao haʻahaʻa ikaika kiʻekiʻe.

5. Ke kila hull

ʻO ka wili maikaʻi a me nā waiwai ʻē aʻe, kūpono no ka hoʻoponopono ʻana i ke ʻano nui o ka moku a me ke kila hull moku.Pono ke kila moku e ʻoi aku ka ikaika, ʻoi aku ka ʻoi aku o ka paʻakikī, ke kūpaʻa kūkeke a me ke kūʻē ʻana o ka wai hohonu.

6. Ke kila no nā moku kaomi

ʻO ke kila i hoʻohana ʻia i ka hana ʻana i nā moku kaomi no ka petrochemical, ka hoʻokaʻawale kinoea a me ka mālama kinoea a me nā lako lawe.Pono e lawa ka ikaika a me ka paʻakikī, ka hana kuʻi ʻana maikaʻi a me ke anuanu a me ka hiki ke hana wela.ʻO ke kila hoʻohana maʻamau ka nui haʻahaʻa haʻahaʻa haʻahaʻa ikaika ikaika a me carbon steel.

7, haʻahaʻa wela kila

No ka hana ʻana i nā mea hana kaomi a me nā hale no ka hoʻohana ʻana ma lalo o -20 ℃, pono nā kila me ka paʻakikī haʻahaʻa haʻahaʻa maikaʻi a me nā waiwai welding.Wahi a ka mahana like ʻole, ʻo ke kila nui ka haʻahaʻa haʻahaʻa i ke kila ikaika kiʻekiʻe, nickel steel a me austenitic stainless steel.

8, hao paila

ʻO ke kila i hoʻohana ʻia i ka hana ʻana i ka superheater, ka paipu mahu nui, ka paipu paia wai a me ka pahu paila.Pono e loaʻa nā waiwai mechanical maikaʻi ma ka lumi wela a me ke kiʻekiʻe o ka wela, ka oxidation a me ka alkaline corrosion kūpaʻa, kūpono i ka ikaika paʻa a me ka plastic fracture mau loa.ʻO ke kila nui ka pearlite heat resistant steel (chromium-molybdenum steel), austenitic heat resistant steel (chromium-nickel steel), kiʻekiʻe kiʻekiʻe carbon steel (20 steel) a me ke kila ikaika kiʻekiʻe.

9. Paipu kila

ʻO ke kila no ka ʻaila a me ke kinoea maoli ka laina hoʻokaʻawale manawa lōʻihi.ʻO ia ke kila ikaika kiʻekiʻe me ka ikaika kiʻekiʻe, ka paʻakikī kiʻekiʻe, ka machinability maikaʻi loa, ka weldability a me ke kūpaʻa corrosion.

10, ʻoi aku ka ikaika o ke kila kiʻekiʻe kiʻekiʻe a me ka ikaika tensile ʻoi aku ma mua o 1200MPa a me 1400MPa.ʻO kona mau hiʻohiʻona nui he ikaika kiʻekiʻe loa, lawa ka paʻakikī, hiki ke pale i ka nui o ke koʻikoʻi, i ka manawa like he nui ka ikaika kikoʻī, i hiki ai i ka hale ke hoʻemi i ke kaumaha.

11. Ke hoʻohālikelike ʻia me ke kila kalapona maʻamau, ʻoi aku ka haʻahaʻa o ka sulfur, phosphorus a me nā mea non-metallic.Wahi a ka ʻike kalapona a me nā hoʻohana like ʻole, ua māhele ʻia i ke kila kalapona haʻahaʻa, ke kila kalapona medium a me ke kila kalapona kiʻekiʻe, a me nā mea ʻē aʻe, i hoʻohana nui ʻia no ka hana ʻana i nā ʻāpana mīkini a me nā pūnāwai.

12. Alloy structural steel

Ma ke kumu o ke kila kila kila me nā mea hoʻohui kūpono, hoʻohana nui ʻia e hana i ke kila o nā ʻāpana mechanical me ka nui o ka ʻāpana.Loaʻa iā ia ka hardenability kūpono, ka ikaika kiʻekiʻe, ka paʻakikī a me ka ikaika luhi a me ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa ma hope o ka mālama ʻana i ka wela.ʻO kēia ʻano kila ka mea nui e pili ana i ke kila paʻakikī a me ka hoʻomaʻamaʻa ʻana, ke kila paʻakikī o ka ʻili a me ke kila palaki anu.

13. Ke kila pale wela

ʻO ke kila kila me ka ikaika kiʻekiʻe a me ke kūpaʻa kemika maikaʻi i nā wela kiʻekiʻe.Me ka oxidation - ke kila kūpaʻa (a i kapa ʻia ʻo ka wela - ke kila pale) a me ka wela - ke kila ikaika ʻelua mau ʻāpana.ʻOi aku ka ʻoi aku o ke kūpaʻa kemika, akā ʻoi aku ka haʻahaʻa.Pono ke kila wela wela i ka ikaika wela a me ke kū'ē o ka oxidation.

14, ke kila hoʻoheheʻe ʻana

Hoʻohui i ke keleawe, phosphorus, chromium, nickel a me nā mea ʻē aʻe e hoʻomaikaʻi ai i ka pale ʻana i ka corrosion o ke kila.Hoʻokaʻawale ʻia kēia ʻano kila i nā kila hoʻoheheʻe kiʻekiʻe a me nā kila hoʻoheheʻe ʻana.