ʻO Pearlite Heat-Resistant 12CR 1movg High Pressure Alloy Tube
ʻO ka matrix he kila wela wela haʻahaʻa me ka pearlite a i ʻole ka bainite.Aia ka nui o ka chromium-molybdenum a me ka chromium-molybdenum-vanadium series.Ma hope mai, ua hoʻomohala ʻia nā helu he nui (e like me ka chromium, tungsten, molybdenum, vanadium, titanium, boron, etc.) i hoʻohui ʻia i nā māka kila i hoʻohui ʻia, a ua hoʻonui mālie ʻia ka lōʻihi a me ka mahana lawelawe o ke kila.Akā ʻo ka mea maʻamau, ʻo ka nui o ka nui o nā mea hoʻoheheʻe ʻia ma kahi o 5%, a ʻo kona ʻano he kila bainitic me ka pearlite.ʻO kēia ʻano kila ka ikaika kiʻekiʻe kiʻekiʻe creep ikaika a me ke kaʻina hana ma 450～620 ℃, a he maikaʻi ka thermal conductivity, haʻahaʻa hoʻonui coefficient a me ke kumu kūʻai haʻahaʻa.Hoʻohana nui ʻia ia e hana i nā mea hoʻolālā wela wela i ka laulā o 450 ~ 620 ℃.E like me nā paipu kila boiler no nā hale mana, nā impellers turbine impellers, rotors, fasteners, nā kīʻaha kiʻekiʻe no ka hoʻomaʻemaʻe ʻana i ka aila a me nā ʻoihana kemika, nā paila wela hoʻopau, nā puʻu ahi wela a me nā paipu hoʻololi wela, etc.
[1] Ke kila no nā paipu kila pale wela.
Hoʻohana nui ʻia e like me nā paia wai paila, superheaters, reheaters, economizers, headers a me nā paipu mahu, a me nā paipu hoʻololi wela no ka petrochemical a me ka ikehu nuklea.Pono ka mea e loaʻa i ka palena kiʻekiʻe, ka ikaika lōʻihi a me ka plasticity lōʻihi, ke kūpaʻa oxidation maikaʻi a me ka pale ʻana i ka corrosion, lawa ka paʻa paʻa a me ka weldability maikaʻi a me ka wela a me ke anuanu.ʻO ke ola lawelawe i hoʻolālā ʻia a hiki i 200,000 mau hola.ʻO nā hōʻailona nui ma Kina ʻo 12CrMo, 15CrMo, 12Cr2Mo, 12CrlMoVG kiʻekiʻe-pressure alloy tubes, a me 12Cr2MoWVTiB, i hoʻohana ʻia ma ka laulā o 480～620 ℃.Hoʻohana maʻamau ka hoʻomaʻamaʻa ʻana a me ka tempering no ka mālama wela.
[2] Ke kila no nā pā kīʻaha kiʻekiʻe.
I loko o ka ʻoihana petrochemical, hoʻohana nui ʻia ka hoʻoheheʻe ʻana i ka lanahu, ka mana nuklea a me nā keʻena mana, nā pā kila wela haʻahaʻa haʻahaʻa i hoʻohana nui ʻia e hana i nā moku kaomi.ʻO nā hōʻailona nui ma Kina he 15CrMoG kiʻekiʻe-pressure alloy pipes (1.25Cr-O.5Mo), 12Cr2Mo (2.25Cr-1Mo) a me 12Cr1MoV, a pēlā aku. (25~150mm).), no ka mea, ua hana nā mea hana ma lalo o nā kūlana o ke kiʻekiʻe o ka wela, ke kiʻekiʻe kiʻekiʻe a me ke kūpaʻa hydrogen no ka manawa lōʻihi, ʻoiai e noʻonoʻo ana i ka pale ʻana i ka embrittlement ma 475 ° C, pono nā mea i ka maʻemaʻe kiʻekiʻe, a me ka sulfur a me ka phosphorus. ua manaʻo ʻia e emi iho ma mua o 0.01% a ʻo ka tin haʻahaʻa haʻahaʻa loa, nā mea ʻino e like me ka antimony a me ka arsenic e koi ai i ka hoʻoheheʻe ʻana i ka umu uila a me ka hoʻomaʻemaʻe waho.
[3]Ka hao no nā mea paʻa.
ʻO ke kila Fastener kahi mea nui e pāʻani ana i ka hoʻopili ʻana i nā turbines mahu, boilers a me nā mea hana pahu kiʻekiʻe.Pono ia i ka palena o ka hua, ke kūpaʻa hoʻomaha kiʻekiʻe, ka plasticity lōʻihi maikaʻi a me ka naʻau notch lōʻihi.ʻO ke kūpaʻa o ka oxidation a me ka hana ʻoki maikaʻi.ʻO nā hōʻailona nui ma Kina ʻo 25Cr2Mo, 25Cr2MoV, 25Cr2Mo1V, 20Cr1M01VNbTiB, a me nā mea ʻē aʻe, hiki ke hoʻohana ʻia ma ka laulā o 500～570℃.Hoʻohana pinepine ʻia kēia mau māka ma hope o ke kinai ʻana a me ka hoʻoulu ʻana.
[4] Ke kila no ka rotor (spindle, impeller).
ʻO ke kumu nui, impeller a me integral forged rotor kekahi o nā mea nui o ka turbine mahu.Pono nā mea i loaʻa nā waiwai mechanical piha maikaʻi, ka paʻakikī o ka haʻihaʻi, ke kūpaʻa kiʻekiʻe o ka kolo a me ka ikaika hoʻomanawanui, a me ke kūpaʻa luhi wela wela.ʻO nā mea maʻamau o ka spindle a me ka impeller ma Kina he 35CrMo, 35CrMoV, 27Cr2Mo1V, 12Cr3MoWV, etc.Ke hoʻohana nei i ka quenching a me ka mālama ʻana.No ka nui forgings e like me forged rotors a me impellers, i mea e hoʻopau piha i ka vanadium carbide a hoʻomaikaʻi i ka plasticity a me ka paʻakikī, hiki ke hoʻokō ʻia kahi pretreatment maʻamau ma mua o ke kinai ʻana, a i ʻole ke kaʻina hana wela o ʻelua normalizing a me ka hoʻohana ʻana.
[5] 1Cr5Mo a me Cr6SiMo kila.
Loaʻa i kēia mau papa ʻelua nā mea hoʻoheheʻe kiʻekiʻe loa i ka pearlitic heat-resistant steel.Loaʻa iā lākou ke kūpaʻa wela maikaʻi a me ke kūpaʻa corrosion i loko o ka media petroleum.Hoʻohana nui ʻia lākou i ka hana ʻana i nā pipelines a me nā moku no ka ʻaila distillation lako, hoʻomehana ʻana i ka umu ahi a me nā mea hoʻololi wela, a me nā mea ʻē aʻe, ua hoʻohana pū ʻia e like me ka hoʻopaʻa ʻana i ka wela wela, nā paila wahie, nā kīwaha, nā pahu pahu a me nā ʻāpana ʻē aʻe.ʻO ka maʻamau ka mahana hoʻohana ma lalo o 650 ℃.No ka mea, he kila paʻakikī kēia kila, ʻoi aku ka paʻakikī o ka weld seam a me ka plasticity maikaʻi ʻole, no laila pono e hoʻomaha mālie a hoʻopili ʻia ma hope o ke kuʻi ʻana.
ʻO ka ʻōwili wela (pahu kila maʻemaʻe i hoʻokuʻu ʻia): puʻupuʻu puʻupuʻu pōʻai → hoʻomehana → hou ʻia → ʻolokaʻi ʻekolu ʻōwili keʻa, ʻōwili mau a extrusion paha → wehe ʻia ʻana o ka paipu → hoʻonui ʻia (a hōʻemi paha) → hoʻoluʻu → paipu billet → hoʻopololei → ke kaomi wai. ʻike) → hōʻailona → hale kūʻai.
Paipu kila liʻiliʻi i huki ʻia (owili ʻia): puʻupuʻu pōʻai billet → hoʻomehana → hou ʻia → poʻomanaʻo → annealing → pickling → ʻaila ʻaila (pale keleawe) → kaha kiʻi anuanu (cold rolling) → paipu billet → mālama wela → hoʻopololei → hoʻāʻo wai kaomi. (ʻike hewa) → hōʻailona → hale kūʻai.
GB/T8162-2008 (Pula kila maʻemaʻe no ka hale).Hoʻohana nui ʻia no ka hoʻolālā maʻamau a me ka hoʻolālā mechanical.ʻO kāna mau mea i hōʻike ʻia (nā inoa): ke kila kalapona 20, 45 kila;kila kila Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, etc.
GB/T8163-2008 (Pula kila ʻole no ka lawe ʻana i ka wai).Hoʻohana nui ʻia i ka ʻenehana a me nā mea hana nui e lawe i nā pipeline wai.ʻO 20, Q345, etc.
GB3087-2008 (Nā paipu kila maʻemaʻe no nā paila haʻahaʻa haʻahaʻa a me waena).Hoʻohana nui ʻia i nā boilers ʻoihana a me nā boilers home e lawe i nā pipeline wai haʻahaʻa haʻahaʻa.He 10 a me 20 mau mea kila.
GB5310-2008 (Nā paipu kila maʻemaʻe no nā paila kiʻekiʻe).Hoʻohana nui ʻia no ka wela kiʻekiʻe a me ke kaomi kiʻekiʻe e lawe ana i nā poʻo wai a me nā pipeline ma luna o nā boilers ma nā kikowaena mana a me nā mea kanu nuklea.ʻO 20G, 12Cr1MoVG, 15CrMoG, etc.
GB5312-1999 (Ka hao hao a me carbon-manganese kila seamless kila paipu no nā moku).Hoʻohana nui ʻia no nā paipu kaomi I a me II no nā paila kai a me nā superheater.ʻO nā mea ʻelele he 360, 410, 460 kila kila, etc.
GB6479-2000 (Nā paipu kila maʻemaʻe no nā mea hoʻomomona kiʻekiʻe).Hoʻohana nui ʻia no ka lawe ʻana i ke kiʻekiʻe kiʻekiʻe a me ke kiʻekiʻe kiʻekiʻe o ka wai pipeline ma luna o nā mea fertilizer.ʻO nā mea ʻelele he 20, 16Mn, 12CrMo, 12Cr2Mo, etc.
GB9948-2006 (Pula kila maʻemaʻe no ka haki ʻana o ka ʻaila).Hoʻohana nui ʻia i nā paila, nā mea hoʻololi wela a me nā pipeline wai o nā mea hoʻoheheʻe ʻaila.ʻO kāna mau mea kikoʻī he 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb, etc.
GB18248-2000 (Nā paipu kila ʻole no nā pahu kinoea).Hoʻohana nui ʻia e hana i nā ʻano kinoea a me nā cylinders hydraulic.ʻO kāna mau mea kikoʻī he 37Mn, 34Mn2V, 35CrMo, etc.
GB/T17396-1998 (Hot-rolled seamless steel pipes for hydraulic props).Hoʻohana nui ʻia e hana i nā kākoʻo hydraulic mine, nā cylinders a me nā kolamu, a me nā cylinders hydraulic ʻē aʻe a me nā kolamu.He 20, 45, 27SiMn a pela aku.
GB3093-1986 (Nā paipu kila maʻemaʻe kiʻekiʻe no nā ʻenekini diesel).Hoʻohana nui ʻia no ka paipu aila kiʻekiʻe kiʻekiʻe o ka ʻōnaehana ʻenekini diesel.ʻO ka paipu kila ke huki anu ʻia, a ʻo kāna mea hōʻike he 20A.
GB/T3639-1983 (ka huki anu a i ʻole ka hoʻoheheʻe ʻia ʻana o ka paipu kila seamless).Hoʻohana nui ʻia ia no nā paipu kila i hoʻohana ʻia i nā hale mechanical a me nā mea hana kaomi kalapona e koi ana i ka pololei kiʻekiʻe a me ka hoʻopau ʻana i ka ʻili maikaʻi.ʻO kāna mau mea hōʻike he 20, 45 kila, etc.
GB/T3094-1986 (kahi paipu kila ʻano like ʻole i huki ʻia anu anu).Hoʻohana nui ʻia ia e hana i nā ʻāpana a me nā ʻāpana like ʻole, a ʻo kāna mau mea he kiʻekiʻe kiʻekiʻe ka carbon structural steel a haʻahaʻa-alloy structural steel.
GB / T8713-1988 (Precision i loko anawaena seamless kila paipu no hydraulic a me ka pneumatic cylinders).Hoʻohana nui ʻia ia e hana i nā paipu kila liʻiliʻi ʻole a i ʻole ke anu me nā anawaena o loko no ka hydraulic a me ka pneumatic cylinders.ʻO kāna mau mea hōʻike he 20, 45 kila, etc.
GB13296-1991 (Stainless steel seamless steel tubes for boilers and heat exchangers).Hoʻohana nui ʻia i nā boilers, superheaters, heat exchangers, condensers, catalytic tubes, etc. o nā ʻoihana kemika.Hoʻohana ʻia nā paipu kila kiʻekiʻe, kiʻekiʻe kiʻekiʻe, corrosion-resistant.ʻO kāna mau mea kikoʻī ʻo 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, etc.
GB/T14975-1994 (Stainless steel seamless kila paipu no ka hale).Hoʻohana nui ʻia ia no ka hoʻolālā maʻamau (hōkele a me ka hale ʻaina hale ʻaina) a me ka hoʻolālā mechanical o nā ʻoihana kemika, e kū kūʻē i ka atmospheric a me ka acid corrosion a loaʻa kekahi mau paipu kila ikaika.ʻO kāna mau mea kikoʻī he 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, etc.
GB/T14976-1994 (Stainless steel seamless steel paipu no ka lawe wai).Hoʻohana nui ʻia no nā pipeline e lawe ana i ka media corrosive.ʻO nā mea ʻelele ʻo 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti, etc.
YB/T5035-1993 (Nā paipu kila ʻole no nā pahu axle kaʻa).Hoʻohana nui ia no ka hana ʻana i ke kila kila kila kiʻekiʻe a me ke kila hoʻoheheʻe ʻia i nā paipu kila hoʻoheheʻe ʻia no nā kaʻa kaʻa hapalua axle lima a me ka hoʻokele axle axle paipu.ʻO kāna mau mea kikoʻī he 45, 45Mn2, 40Cr, 20CrNi3A, etc.
ʻO API SPEC5CT-1999 (Casing and Tubing Specification), ua hōʻuluʻulu ʻia a hoʻopuka ʻia e ka American Petroleum Institute (American Petreleum Instiute, i kapa ʻia ʻo "API") a hoʻohana ʻia ma nā wahi āpau o ka honua.Ma waena o lākou: Casing: ʻo ka paipu e hoʻonui ʻia mai ka ʻili o ka honua i loko o ka luawai a lawelawe ʻo ia ma ke ʻano o ka pā o ka luawai.Hoʻopili ʻia nā paipu e nā hui.ʻO nā mea nui he mau kila kila e like me J55, N80, a me P110, a me nā pae kila e like me C90 a me T95 i kū i ka hydrogen sulfide corrosion.ʻO kona kila haʻahaʻa haʻahaʻa (J55, N80) hiki ke welded steel pipe.Paipu: Hoʻokomo ʻia ka paipu i loko o ka pahu mai ka ʻili honua a hiki i ka ʻaila ʻaila.Hoʻopili ʻia nā paipu e nā hui a i ʻole integrally.ʻO ke kuleana o ka pūʻulu pumping ka lawe ʻana i ka ʻaila mai ka papa ʻaila a i ka lepo ma o ka paipu aila.ʻO nā mea nui ʻo J55, N80, P110, a me C90, ka mea kūʻē i ka hydrogen sulfide corrosion, i hōʻuluʻulu ʻia a hoʻopuka ʻia e ka American Petroleum Institute, a hoʻohana ʻia ma ka honua holoʻokoʻa.
