15Mo3 (15MoG): He paipu kila ma DIN17175 maʻamau.ʻO ia ke anawaena liʻiliʻi ʻo carbon molybdenum steel tube no ka paila a me ka superheater, a me ke kila ikaika wela ʻano pearlescent.I ka makahiki 1995, ua hoʻololi ʻia iGB5310a kapa ʻia ʻo 15MoG.He mea maʻalahi kona haku mele, akā aia ka molybdenum, no laila ʻoi aku ka maikaʻi o ka wela ma mua o ke kila kalapona ʻoiai e mālama ana i ka hana like me ke kila kalapona.Ma muli o kāna hana maikaʻi, kumu kūʻai maʻamau, ua hoʻohana nui ʻia i ka honua.Eia nō naʻe, ʻo ke kila i ka graphitization ma hope o ka hana lōʻihi ma ke kiʻekiʻe wela, no laila e hoʻomalu ʻia kona mahana hana ma lalo o 510 ℃, a ʻo ka nui o Al i hoʻohui ʻia i ka hoʻoheheʻe ʻana e kaupalena ʻia e hoʻomalu a hoʻopaneʻe i ke kaʻina hana graphitization.Hoʻohana nui ʻia kēia paipu kila no ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa a me ka haʻahaʻa wela reheater.Aia ka mahana o ka paia ma lalo o 510 ℃.ʻO kona haku mele C0.12-0.20, SI0.10-0.35, MN0.40-0.80, S≤0.035, P≤0.035, MO0.25-0.35;ʻO ka pae ikaika maʻamau σs≥270-285, σb≥450-600 MPa;ʻO ka delta plastik 22 a ʻoi aku paha.

15CrMoG:GB5310-95 kila (e pili ana i ka 1CR-1 / 2Mo a me 11 / 4CR-1 / 2MO-Si kila i hoʻohana nui ʻia i ka honua), ʻoi aku ka kiʻekiʻe o kona ʻike chromium ma mua o 12CrMo kila, no laila ʻoi aku ka ikaika o ka wela ma 500-550 ℃.Ke piʻi ka mahana ma mua o 550 ℃, emi nui ka ikaika wela o ke kila.Ke hoʻohana ʻia ia no ka manawa lōʻihi ma 500-550 ℃, ʻaʻole hiki mai ka graphitization, akā hiki mai ka carbide spheroidization a me ka alloying element redistribution, e alakaʻi ana i ka emi ʻana o ka ikaika wela o ke kila.He kūpaʻa maikaʻi ke kila i ka hoʻomaha ma 450 ℃.He maikaʻi kāna hana paipu a me ke kaʻina hana kuʻi.Hoʻohana nui ʻia ʻo ia e like me ke kiʻekiʻe a me ke kiʻekiʻe o ke kaomi ʻana i ka mokuahi a me ka pahu hui pū me ka mahu parameter ma lalo o 550 ℃, superheater tube me ka pā wela ma lalo o 560 ℃, etc. ʻO kāna haku mele C0.12-0.18, Si0.17-0.37, MN0.40 -0.70, S≤0.030, P≤0.030, CR0.80-1.10, MO0.40-0.55;Ma lalo o ke kūlana hoʻonā maʻamau, ka pae ikaika σs≥235, σb≥440-640 MPa;ʻO ka delta palaki p 21.

T22 (P22), 12Cr2MoG: T22 (P22) heASME SA213 (SA335) nā mea code, i komo i lokoGB5310-95.I ka CR-Mo kila moʻo, kona thermal ikaika hana he 'ano kiʻekiʻe, ka like mehana wela ikaika a me allowable stress ma mua o 9CR-1Mo kila a oi aku, no laila, ua hoʻohana nui 'ia i ka haole thermal mana, nuklea mana a me ka puʻe moku.Eia nō naʻe, ʻoi aku ka haʻahaʻa o kāna ʻoihana ʻenehana i kā mākou 12Cr1MoV, no laila ʻoi aku ka liʻiliʻi o ka hoʻohana ʻana i ka hana ʻana o ka mana wela wela.E hoʻohana wale i ka wā e koi ʻia (ʻoi loa i ka wā i hoʻolālā ʻia a hana ʻia e like me ke code ASME).ʻAʻole ʻike ʻia ke kila i ka mālama ʻana i ka wela a loaʻa ka plasticity lōʻihi kiʻekiʻe a me ka hana wili maikaʻi.Hoʻohana nui ʻia ʻo T22 liʻiliʻi liʻiliʻi e like me ka wela o ka paia metala ma lalo o 580 ℃ superheater a me ka reheater hoʻomehana ʻana o ka ʻili, etc.,P22ʻAʻole ʻoi aku ka nui o ka pahu metala nui ma mua o 565 ℃ superheater / reheater hui pū pahu a me ka paipu mahu.ʻO kona haku mele C≤0.15, Si≤0.50, MN0.30-0.60, S≤0.025, P≤0.025, CR1.90-2.60, MO0.87-1.13;Ma lalo o ke kūlana hoʻonā maʻamau, ka pae ikaika σs≥280, σb≥450-600 MPa;ʻO ka delta plastik 20 a ʻoi aku paha.

12Cr1MoVG:GB5310-95 nano kila maʻamau, ʻo ia ka puʻe kiʻekiʻe o ka home, ka puʻe kiʻekiʻe kiʻekiʻe, subcritical power plant boiler superheater, pahu hōʻiliʻili a me ka pahu mahu nui i hoʻohana nui ʻia.ʻO ka hoʻohui kemika a me nā waiwai mechanical o ka pā 12Cr1MoV ma ke ʻano like.He mea maʻalahi kona hoʻohui kemika, ʻo ka nui o nā mea i hoʻohuihui ʻia ma lalo o 2%, no ke kalapona haʻahaʻa, haʻahaʻa haʻahaʻa ʻano pearlescent ʻano o ke kila ikaika wela.Hiki i ka Vanadium ke hana i ka carbide paʻa VC me ke kalapona, hiki ke hana i ka chromium a me ka molybdenum i ke kila i makemake nui ʻia i ka ferrite, a lohi i ka hoʻololi ʻana o ka chromium a me ka molybdenum mai ka ferrite a hiki i ka carbide, i ʻoi aku ka paʻa o ke kila i ke kiʻekiʻe wela.ʻO ka nui o nā mea i hoʻohuiʻia i loko o kēia kila he hapalua wale nō o ka 2.25 CR-1Mo kila i hoʻohana nuiʻia ma waho, akāʻo ka ikaika paʻa ma 580 ℃ a me 100,000 h he 40% kiʻekiʻe ma mua o ka mea hope.Eia kekahi, maʻalahi ka hana hana a maikaʻi ka hana kuʻi.I ka lōʻihi o ke kaʻina hana wela, hiki ke māʻona i ka hana piha a me ka ikaika wela.Hōʻike ka hana maoli o ka mana mana e hiki ke hoʻohana ʻia ka 12Cr1MoV main pipeline ma hope o ka hana palekana ma 540 ℃ no 100,000 mau hola.Hoʻohana nui ʻia ka paipu nui-diameter e like me ka pahu hōʻiliʻili a me ka conduit mokumahu nui o ka parameter mahu ma lalo o 565 ℃, a hoʻohana ʻia ka paipu liʻiliʻi no ka paila wela wela o ka pā metala ma lalo o 580 ℃.

12Cr2MoWVTiB (G102) :Gb5310-95 i ke kila, no ka ulu ana o Kina i ka makahiki 1960, haʻahaʻa kalapona, haʻahaʻa alloy (kahi liʻiliʻi o ka likeʻole) Bainite 'ano wela ikaika kila, mai ka 1970s ua komo i loko o ke Kuhina o Metallurgical 'Oihana maʻamau YB529-70 a i kēia manawa ka national standard, ma ka hopena o 1980 ke kila ma o ka 'Oihana o Metallurgical Industry, ke Kuhina o Mīkini a me ka 'Oihana o ka uila mana hui identification.Loaʻa i ke kila nā waiwai mechanical piha, a ʻoi aku ka kiʻekiʻe o kona ikaika wela a me ka mahana o ka lawelawe ma mua o nā kila like ma waho, a hiki i ke kiʻekiʻe o kekahi mau kila austenitic chromium-nickel ma 620 ℃.ʻO kēia no ka mea he nui nā ʻano mea hoʻohui i ke kila, a ua hoʻohui pū ʻia e hoʻomaikaʻi i ka pale ʻana o ka oxidation o nā mea e like me Cr, Si, no laila hiki ke kiʻekiʻe ka wela o ka lawelawe i 620 ℃.ʻO ka hana maoli o ka mana mana e hōʻike ana ʻaʻole e loli nui ke ʻano a me nā waiwai o ka paipu kila ma hope o ka hana lōʻihi.Hoʻohana nui ʻia ʻo ia e like me superheater tube a me reheater tube no ultra-high parameter boiler me ka metala wela ≤620 ℃.ʻO kona haku mele C0.08-0.15, Si0.45-0.75, MN0.45-0.65, S≤0.030, P≤0.030, CR1.60-2.10, MO0.50-0.65, V0.28-0.42, TI0.082 -0.18, W0.30-0.55, B0.002-0.008;Ma lalo o ka maʻamau maʻamau, ka pae ikaika σs≥345, σb≥540-735 MPa;P 18.

Sa-213t91 (335P91) : Helu kila maASME SA-213(335) maʻamau.Hoʻomohala ʻia e ka Rubber Ridge National Laboratory o ʻAmelika Hui Pū ʻIa, i hoʻohana ʻia i ka mana nuklea (hiki ke hoʻohana ʻia i nā ʻano ʻē aʻe) kiʻekiʻe ka wela o ka hoʻopili ʻana i nā mea, ua hoʻokumu ʻia ke kila ma ke kila T9 (9CR-1MO), ma ka palena o ke kalapona maʻiʻo, ʻoi aku ka paʻa ʻana i ka maʻiʻo o P a me S a me nā mea koena ʻē aʻe i ka manawa like, Ua hoʻokumu ʻia kahi ʻano hou o ka ferritic heat-resistant alloy steel ma ka hoʻohui ʻana i nā huina o 0.030-0.070% N, 0.18-0.25 % V a me 0.06-0.10% Nb e hoʻokō i nā koi o ka hoʻomaʻemaʻe palaoa.ʻo iaASME SA-213kolamu kila maʻamau, i hoʻololi ʻia i lokoGB5310maʻamau i ka makahiki 1995 a ʻo 10Cr9Mo1VNb ka papa.Ua helu ʻia ke kūlana honua ISO/ DIS9399-2 e like me X10 CRMOVNB9-1.

Ma muli o kona kiʻekiʻe o ka chromium maʻiʻo (9%), ʻoi aku ka maikaʻi o kona pale ʻana i ka oxidation, corrosion resistance, kiʻekiʻe wela ka ikaika a me ka ʻole o ka graphitization ma mua o nā mea hao hao haʻahaʻa.ʻO ka Molybdenum (1%) ka mea e hoʻomaikaʻi nui ai i ka ikaika wela kiʻekiʻe a pale i ke ʻano embrittling wela o ke kila chromium.Ke hoʻohālikelike ʻia me T9, ua hoʻomaikaʻi ʻia ka wiliwili a me nā waiwai luhi wela, ʻo ka ikaika paʻa ma 600 ℃ ʻekolu mau manawa ma mua o ka mea hope, a mālama ʻia ke kūpaʻa maikaʻi loa o ke kila T9 (9CR-1Mo).Ke hoʻohālikelike ʻia me ka austenitic stainless steel, liʻiliʻi ka mea hoʻonui, ʻoi aku ka maikaʻi o ka conductivity thermal, a ʻoi aku ka ikaika o ka lōʻihi (e like me TP304 austenitic steel ratio, a hiki i ka mahana ikaika he 625 ℃, ka mahana kaumaha like 607 ℃).No laila, ʻoi aku ka maikaʻi o nā waiwai mechanical piha, ka hale paʻa a me nā waiwai ma mua a ma hope o ka wā ʻelemakule, maikaʻi ke kuʻi ʻana a me ke kaʻina hana, kiʻekiʻe ka ikaika lōʻihi a me ka pale oxidation.Hoʻohana nui ʻia no ka superheater a me ka reheater me ka mahana metala ≤650 ℃ i ka paila.ʻO kona haku mele C0.08-0.12, Si0.20-0.50, MN0.30-0.60, S≤0.010, P≤0.020, CR8.00-9.50, MO0.85-1.05, V0.18-0.25, Al≤ , NB0.06-0.10, N0.03-0.07;Ma lalo o ka maʻamau maʻamau, ka pae ikaika σs≥415, σb≥585 MPa;ʻO ka delta plastik 20 a ʻoi aku paha.