Hun 933 Hex Bolt ndi ulusi wathunthu

Montel 400 ndiyofunikira pakusintha kwa kutentha, zida zomera zamankhwala, ndi zovala zowonera. Ndi yabwino mu waya kapena rod mawonekedwe ndipo ndi abwino kwambiri pakuyenda kwa waya chifukwa cha kukana kwake ku madzi am'nyanja.
asme sa789 duplex dambo wopanda chitsulo chubu pike 2507 chitoliro

Mapaipi a kusokonekera kosasaka kumakhala ndi mwayi wokhala ndi katundu wapamwamba kwambiri komanso mphamvu zambiri.

Nickel Anoy 400 ndi Monl 400, omwe amadziwikanso kuti ndi N04400 Nictal-Copy-Copy-Copy kukhala makamaka mwa atatu a Nickel ndi chachitatu. Nickel Anoy 400 amadziwika chifukwa chokana kusiyanasiyana, kuphatikiza alkalis (kapena asidi), madzi amchere, ma hydrofluoric acid. Kuyambira monoy 400 kapena Aloy 400 ndi chitsulo chozizira chogwira ntchito, chivomerezichi chimakhala cholimba, kuuma ndi mphamvu. Pogwira ntchito yozizira astm B164 SARD N04400 bar stock, alloy imayang'aniridwa ndi kupsinjika kwamakina, komwe kumapangitsa kusintha kwa micrestructuctuctution ya Alloy.

Zizindikiro za Nickel-Copy-Copy 400 monol 2.4360 molunjika rod ndiyabwino kwambiri opsinjika ku chloride ku chloride movutikira mukakumana ndi zowononga m'matumbo. Monl 400 ndi a Haloy ndi Nickel omwe amadziwika masiku ano chifukwa cha ntchito yake yayitali. Alloy ali ndi kukana bwino acid ndi alkali. Kuphatikiza apo, ili ndi mphamvu zabwino zokhala ndi mphamvu, duckity, kukhala waulimi wabwino kwambiri, ndipo imatha kuumitsidwa ndi ntchito yozizira. Kuphatikiza apo, itha kugwiritsidwa ntchito poizona ndi kutentha kuyambira kuchotsera mpaka 538 digiri Celsius.

Chitsulo chosapanga dzimbiri
Nickel kutengera 800 inclooy chitoliro chomwe chimadziwika kuti ndi kukana bwino kuwonongeka. Makamaka kuyankhula, chisumbulu 800 chitoliro chimapereka kukana mokwanira zotsutsana ndi ma carburization onse komanso oxidation kutukula.

Mphamvu, kuyankhula kwa Astm A790 S3180 S31803 S31803 S3180 S3180 S3180 S318 yopanda pake, imakhala yotalikirapo kangapo kuposa imodzi mwa makalasi awiri osapanga dzimbiri. Ndipo kulimba mtima ndi kuwunika kwa sa 790 s32205 yotchedwa S32205 yotchedwa S32205 chitoliro ndi bwino poyerekeza zitsulo zachangu.

Nickel 200 Amalongosola Nickel 200 Malawi amakhala olimba, osasunthika, ndipo amaliza bwino. Kuphatikiza apo, Astm B564 SP52200 N02200 Zisoka zakhungu zimalimbana ndi kutengera ndale komanso zotsatsa, zimapangitsa kukhala bwino kugwiritsa ntchito zida zogwirizira.

Asme B16.48 Fritelloy Centroy C2000 Flanges Storsers C2000 Lap Joy Jount

Kusakhazikika kopanda bangu mopanda kapangidwe kazomwe zimakonda kusinthasintha kwa zovuta zapakati pakugwira ntchito mkati mwazinthu zomwe zimakulimbikitsani zachilengedwe m'malo otukuka.

Makina osapanga dzimbiri awa ali ndi mwayi wokana kuwongolera komanso kulondola pang'ono ndi kulolerana kwambiri. Mitundu yathu yopanda chitoliro imaphatikizapo chitoliro chokwanira & chida choyenera ndi choyenera cha Ferrumation chimaperekedwa mosiyanasiyana, timaperekanso chitukuko malinga ndi makasitomala.

Ma coil 625 amadziwika ndi kukana kwake kwabwino kwa oxidation, kutentha kwambiri komanso kutopa. ASTM B443 SANDO N06625 SIVELEILE imagwiritsidwa ntchito kwambiri mu anthospace, mankhwala kutengera ndi mafuta ndi mafakitale chifukwa champhamvu kwambiri.

Mitengo yamadzi imathamanga nthawi zambiri m'matumba osokoneza bongo. Komabe, chifukwa cha ma nickel amphamvu ndi chromiamu mankhwala, kuchuluka kwa ma nickel aloy 601 hex ma bolts ndi otsika kwambiri.

904l n08904 mbale yabwino yopsinjika
ASMM B564 SIMPE Fringe Monone 400 ali ndi vuto labwino kwambiri pakuchepetsa mavidiyo ngati sulufuric acids.
SA 479 304 kuzungulira Bar Sus304 Steel Bar

Masamba osapanga dzimbiri amakhala ndi kumapeto kwa mat. Kuwonongeka kochulukirapo kuposa 18-8 ndi 17-7 PH osapanga dzimbiri, mabasiketi osapanga dzimbiri sikudzang'ambika ndi madzi amchere, chlorine mayankho ndi mankhwala. Olimba ndi ochulukirapo ogonjetsedwa kuposa chitsulo chosapanga dzimbiri, bumax 109 masitepe osapanga dzimbiri ndiye chisankho chabwino kwambiri pa malo okhala m'madzi ndi mankhwala.

Zolemba zapamwamba kwambiri zimapereka mwayi wokhazikika pakukoka kwa chinyezi kwambiri, zomwe zimathandiziranso kukulitsa mphamvu zawo zambiri komanso kuthana ndi kutentha kwambiri.

Phindu la mtundu wa 316l osapanga dzimbiri limaphatikizapo zinthu zotsika kaboni zomwe zimachotsa matupi a mpweya pomwe imawotcha ndipo itha kugwiritsidwa ntchito m'malo otetezeka.

Chitsito chopanda maziko cha 316 chakhala chinthu chofunikira kwambiri kwa gawo la mafakitale. Chitsulo ichi ndi chrome chimadziwika kuti ndikukana kwake kuvunda, komanso kukhazikika kwake. 316 Chitsulo chosapanga dzimbiri chimatha kupangidwa muzosaso komanso machubu owuma kuti akwaniritse zosowa zapadera za kasitomala.

LS Edscociificcion Asm A193 GRADO B7 CUBRE TRAODO DE Altismentia de Altis Aptis Apriion Y OTROSODO DETRADODO DETRIENT APTIONTO SPEPIONE ORTARORECIS LO Propositito. Es spykicacion Estasar Justine a Proosticion Quimu Trica, a Crotusaitos y Ottionis Matartiadas en el enror, Valvulas, bridas y acssorios. ASTM A193 TVnini Unades SI (Metrimicas) Y pulgadas-Libras.

Magalasi okhazikika - omwe adayikapo sayansi-nickel-cobalt matobala, Kovar Smows, ali ndi mzere wowonjezera wowonjezera wofanana ndi galasi lolimba mkati mwa kutentha kwina

Alloy 600 siali-Magnetic, ali ndi zida zabwino kwambiri komanso kuphatikiza kwamphamvu kwambiri komanso kugwirira ntchito bwino ndipo kumakhala kotopetsa.

Zitsulo za alloy ndi ndodo
www.htsteelpipe.com
FOSTELOLOY C2000 amagwiritsidwa ntchito m'mafakitale ambiri kuphatikizapo mafakitale a petrochemical, makonzedwe a mankhwala opanga mafuta, zophika zamafuta ndi zomera.
chito 304l sch40 l: 9000mm

A105 Flange AnsI B16.5 amatanthauza zinthu zosatsutsa, pomwe ali ndi miboni yotsika. Tili ndi malo okwezeka kwambiri a Carbon ASTM A105 Flange monga khosi, pindani, a105n ofesa, ndi alp

Amagwiritsidwa ntchito kwambiri mu zopondaponda m'mafuta ndi mafuta a gasi \ / kupanga ndi kusinthidwa kwa kutentha mu petrochemical \ / mankhwala.

304 Nphwemba zopondapondazikulu zimapangidwa ndi chitsulo chosapanga dzimbiri, zinthu wamba komanso zodziwika bwino muzogwiritsidwa ntchito zambiri zamakampani zomwe zimafunikira kukana kuwonongeka ndi oxidation. Nyansiweli iyi ya S30400 imakonzedwa pogwiritsa ntchito makina apadera ndi njira, zomwe zikuwonetsetsa kuti ndi olondola komanso odalirika.

Ndiwofala pa 304l kuti akhale ndi gawo limodzi pa 304 ndi 304l. Zojambula zotsika kaboni wa 304l zimaphatikizidwa ndi kuwonjezera kwa nayitrogeni kumathandizira 304l kuti mukwaniritse makina a 304.

Kuwala kumatha kukhala mbale yophimba kapena kutseka kumapeto kwa chitoliro. Izi zimatchedwa Flange ya wakhungu. Chifukwa chake, zojambulazo zimawonedwa ngati zigawo zamkati zomwe zimagwiritsidwa ntchito pothandizira makina.

Duplex 2205 Chitsulo Chozungulira (ASTM A276 \ / ASYEM A479) Chiwonetsero cha Kulimba Kwabwino mpaka 3005. Ndodo za SS imatha kuwonjezedwa mosavuta ndi njira zambiri zofunikira kwambiri, zofunikira kokha ndizogwiritsa ntchito chitsulo. Chifukwa cha mphamvu zake zazikulu, makina amakhala otsika.

Chingwe chimakhala chachiwiri chomwe chimagwiritsidwa ntchito polumikizana pambuyo potchere. Ma flanges amagwiritsidwa ntchito ngati zolumikizira zolumikizira. Imapereka kukonzanso kwamphamvu. Flange imalumikiza chitolirocho ndi malingaliro ndi mavavu osiyanasiyana. Milandu yopumira imawonjezera dongosolo lapaipi lapakati ngati kukonza nthawi zonse muzomera.

ASTM A240 Mtundu 2205 Plate ndi duwa losapanga dzimbiri lomwe limagwiritsidwa ntchito kwambiri m'mafakitale, kufufuza kwamafuta ndi mafuta, ndi ukadaulo wamadzi, ndi ukadaulo wamadzi. Mapepala 2205 amapangidwa kuchokera ku kalasi ya SAGIS 2205, chitsulo chosapanga dzimbiri, chomwe chimaphatikizika ndi chitsulo champhamvu.

Ickel-Molybdenum alloy amagwiritsidwa ntchito pochepetsa mikhalidwe yochepetsetsa ndipo imakhala ndi kapangidwe kambiri ka kaboni, sicon ndi chitsulo chopanda B (Alteoy B). Zomangira zopangidwa kuchokera ku Aloy izi zimadziwikanso kuti ndi N10665.

Super Duplex Zosakhazikika kwa E.G. Alloy S3270, ili ndi micrestruction wa onse a Austetery komanso Ferrite mu gawo lofanana kapena 50 \ / 50.

Izi zimathandizira kuthana ndi sulufuric acid. Ilinso ndi mawu apamwamba kwambiri, kuti apititsenso kukana kwake kuti athe kugwiritsa ntchito mankhwala ndi njira zomwe zimapangidwa ndi mitsinje yolimba ndi mpweya wosungunuka.

Imatha kupirira mankhwala osiyanasiyana osakhazikika komanso osasinthasintha, ndikuwonetsa kukana kwakukulu ndikumenya ndi Crevice pamaso pa chlorides ndi ma halides ena.

A789 S31803 ndi S32205 ndi zitsulo ziwiri zosapanga dzimbiri zomwe zimagwiritsidwa ntchito kwambiri pantchito zosiyanasiyana. Mapaipi awa a duplex s31803 osakhala opanda chidwi amadziwika chifukwa chokana kwambiri kuwonongeka, mphamvu zazikulu, komanso kutopa kwambiri. A789 ndi lingaliro lomwe limakwirira osawoneka bwino komanso machubu opangidwa ndi chitsulo chosapanga dzimbiri.
Carbon zitsulo zowongoka
Chitsulo
Lumikizanani nafe
Chipwitikizi
Scottish Gaelic
Carbon Steel Bars & ndodo
Nickel anoy felleloy C276 Socket Welding Flange
Lembani "Stud Bolt
Itar 36 Tubed OD: 0.2-6mm, WT: 0.02-2mm

ASME A276 Mtundu 309 ndi gawo lazinthu zamitundu yomaliza kapena zitsulo zomalizidwa mu 309 zitsulo zosapanga dzimbiri, zopezeka ngati zozungulira, lalikulu, ma roxagons otentha. Boltoport amagwiritsa ntchito 309 bar ku Asthe a276 zojambula zopanga zosapanga dzimbiri 309, mtedza, zomangira, ndodo zina zomangirira masheya wamba zamalo.
Kurdish (Kurmanji)
Chitsulo
Lumikizanani nafe
Chipwitikizi
Scottish Gaelic
Carbon Steel Bars & ndodo
Kukula OD: 1 \ / 2 "~ 48" "
Lembani "Stud Bolt
Itar 36 Tubed OD: 0.2-6mm, WT: 0.02-2mm
Kukula kwa DIC £ ºT £ ºMM6 ºMM6 ~ M100 £ ¬hex Bolt £ ºTMEM6 ~ M64
Kupanga Rame B36.10 ASME B36.35
Astm ASME SB 164 Moniel 400 Steel Bar Steil Office N04400 Nickel Anoy Bar
Kusindikiza mating ndi magalasi olimba

Incrooy 800h Valnge Tili ndi mbiri yolimba mu malonda popanga mitundu yayikulu ya mitundu yosiyanasiyana ya makasitomala athu. Timakhala ngati infolisoy ma fronges omwe ndi odalirika komanso apamwamba kwambiri. Timagwiritsa ntchito ndalama zotsogola komanso makina apamwamba popanga assowm B564 SIMIL N08800 Stuliloy ma fronges 800.
Kurdish (Kurmanji)
Chitsulo
Lumikizanani nafe
Chipwitikizi
Scottish Gaelic
Carbon Steel Bars & ndodo
Kukula OD: 1 \ / 2 "~ 48" "
Lembani "Stud Bolt
Itar 36 Tubed OD: 0.2-6mm, WT: 0.02-2mm
Kukula kwa DIC £ ºT £ ºMM6 ºMM6 ~ M100 £ ¬hex Bolt £ ºTMEM6 ~ M64
Kupanga que b36.10 asme B36.20

Nilo Anoy 36, w.NR 1.3912, Inciar 36 ® ndi chitsulo chotsika kwambiri chomwe chili ndi 36% Nickel ndipo ali ndi gawo la kufalikira kwa gawo limodzi la chitsulo cha kaboni pafupifupi.

B564 601 Spade Fade Innol 601 ndi a Neckel-Chromium Anoy omwe amagwiritsidwa ntchito pogwiritsa ntchito ntchito zomwe zimafunikira kuwonongeka ndi kutentha. Alonje a Nickel iyi imayamba chifukwa cha kukana kwake kutentha kwa maxidation, kukhalabe ogwiritsa ntchito maxidation mpaka 2200¡

Chifukwa chiwonetserochi ndi chosavuta kugwira nawo ntchito komanso chocheperako kuwonongeka, makampani amaziika pamitundu yosiyanasiyana. Mwachitsanzo, 316ll osapanga dzimbiri amapezeka mu strip, waya, pepala, bar ndi mawonekedwe ena. Makampani aliwonse asintha bwino zitsulo izi popanga zinthu zosiyanasiyana.

G30 Aloy imatha kuletsa mapangidwe am'mimba mu kutentha kwam'miyala yomwe ikukhudzidwani ndi madzi otchereza, kotero zinthu zake zowala bwino ndizoyenera kugwiritsidwa ntchito kwamankhwala osiyanasiyana.

Iswees osawoneka bwino kwambiri a sing'anga osawoneka N06600 ndi Astm B167 ndi omwe amapangidwa kuti apirire kwambiri ndikubwera ndi chitsimikizo chachikulu.

Inter 36 ® ndi chitsulo-chitsulo chotsika kwambiri chomwe chili ndi 36% Nickel, IMPARS 36 ili ndi zochulukirapo pakukula kwa kutentha kwa a Crogenic pafupifupi + 260 ° C).

Kuchulukitsa kokwanira kwa chitsulo chosapanga dzimbiri kuli chimodzimodzi ndi kwamkuwa, ka 1.5 kamene kamatope wachitsulo wamba. Komabe, poyerekeza ndi mkuwa, chitoliro chopanda dzimbiri chimakhala ndi mawonekedwe owonjezera pang'onopang'ono komanso kuzizira.

Mapepala osapanga dzimbiri 904l amakhala ndi mphamvu zambiri komanso kulimba mtima. Tsamba losapanga dzimbiri 904l lili ndi 28% nickel zomwe zilipo, 23% chromium zomwe zili, ndi 5% molbdenum zomwe zili.
Kurdish (Kurmanji)
Chitsulo
Lumikizanani nafe
Chipwitikizi
Scottish Gaelic
Carbon Steel Bars & ndodo
Kukula OD: 1 \ / 2 "~ 48" "
Lembani "Stud Bolt
Itar 36 Tubed OD: 0.2-6mm, WT: 0.02-2mm
Kukula kwa DIC £ ºT £ ºMM6 ºMM6 ~ M100 £ ¬hex Bolt £ ºTMEM6 ~ M64
Kupanga que b36.10 asme B36.19

Alloy X chitoliro chomwe chimaperekapo mwapadera mu ntchentche kapena makampani ena opangira mafayilo chifukwa cha kukana kwamphamvu kwa Alloy ku kukana kwamphamvu kwa oxidizing.

316l 1.4401 s31603 Chipika chosapanga dzimbiri ndi njira yolimba komanso yolimba yofananira yomwe imagwiritsidwa ntchito pazosiyanasiyana za mafakitale ndi malonda. Izi s31603 chitoliro chimapangidwa kuchokera pazinthu zapamwamba za 316l osapanga dzimbiri mosapanga dzimbiri mosapanga chipongwe, oxidation ndi chomata, zomwe zimapangitsa kuti zikhale zabwino m'malo mwazinthu zovuta kapena zovuta.

Girdid Stage "Osapanga Chitsulo Chosakhazikitsa: 304 \ /04L, 3167L, 3167, 347, 347 \ / n08904 £ ¬n08367, N08926 \ / 1.4560 "

Nthawi zambiri N08367 imatchedwanso Al6xn Al6xn ndi kaboni yotsika, yoyera kwambiri, nulytel-molybdenum yolimbana ndi crevice.

Mapulogalamu a Asthent A276 Midio 304l ozungulira ayenera kukhala ndi malire pazomwe zimafunikira kuti mipiringidzo iphatikizidwe ndi kuwotcherera ndipo musafunike mphamvu yabwino kwambiri.
Carbon zitsulo zowongoka
Chitsulo
Lumikizanani nafe
Chipwitikizi
Scottish Gaelic
Carbon Steel Bars & ndodo
Nickel anoy felleloy C276 Socket Welding Flange
Lembani "Stud Bolt
Itar 36 Tubed OD: 0.2-6mm, WT: 0.02-2mm

Zimawonetsa kukana bwino kusalowerera ndale. Izi za alloy zimapanga mwa khumi ndi chimodzi, filimu yoteteza yomwe siyitalikirapo, koma imasunganso kukana kwa makutina kuposa kutentha.
Ictives 600 yozungulira ndi intoy-valkel-brad-cenel carburrization ndi kukana bwino kuwonongedwa kwakukulu. Zingwe zozungulira 600 zozungulira zimagwira ntchito kuyanika cl2 ndi mipweya ina yambiri yofananira ndi kutentha kwambiri. Alloy 600 bar ndi a chromial-cromiyal-cromiyal-cromiyal-chloride bwino oxidation ndi kukana ku chloride kuwonongeka kwa chloride kugwa, ukhondo wamadzi acid kumatentha.

Masamba osapanga dzimbiri amakhala ndi kumapeto kwa mat. Kuwonongeka kochulukirapo kuposa 18-8 ndi 17-7 PH osapanga dzimbiri, mabasiketi osapanga dzimbiri sikudzang'ambika ndi madzi amchere, chlorine mayankho ndi mankhwala. Olimba ndi ochulukirapo ogonjetsedwa kuposa chitsulo chosapanga dzimbiri, bumax 109 masitepe osapanga dzimbiri ndiye chisankho chabwino kwambiri pa malo okhala m'madzi ndi mankhwala.

Invalsel 718 ndi alloy-chromium-chromium-chromium-chromium-chromium-chromium-chromium-chromium-chromium-chromium-chromium yomwe imagwiritsidwa ntchito kwambiri pamapulogalamu apamwamba monga Aweslospace ndi majini agalu. Chimodzi mwazinthu zofunika kwambiri pakupanga a Ism B670 Invelve 718 ndiye kuti mbale yogubuduza. Pali mitundu iwiri yayikulu ya mbale za Intery18 zomwe zilipo pamsika: kuwotcha mbale zowombera.
Kurdish (Kurmanji)
Chitsulo
Lumikizanani nafe
Chipwitikizi
Scottish Gaelic
Carbon Steel Bars & ndodo
Kukula OD: 1 \ / 2 "~ 48" "
Lembani "Stud Bolt
Itar 36 Tubed OD: 0.2-6mm, WT: 0.02-2mm
Kukula kwa DIC £ ºT £ ºMM6 ºMM6 ~ M100 £ ¬hex Bolt £ ºTMEM6 ~ M64
Monl 400 chitoliro cha 90 chitoliro chikato

Zithunzithunzi za Intelser 625 zimapangidwa ndi chipongwe chovunda komanso champhamvu cha ma chromiam almoy ndi 20% chromium, manganese, silicon, mkuwa ndi chitsulo.

Kuchulukitsa kwa titanium ndi pafupifupi 60% yomwe ya chitsulo chosapanga dzimbiri ndi nickel polosys, kupulumutsa thupi kumeneku kumapangitsa kuti ikhale chisankho chodziwika bwino pakugwiritsa ntchito monga Arrospace.

Zitsulo zopangira zimapereka mwayi woyenera kuyeretsa, kuyeserera kapena kusintha. Nthawi zambiri amabwera motsatana koma amathanso kubwera m'magulu osiyanasiyana komanso amakona. Ma flanges amalumikizidwa wina ndi mnzake pobowola komanso wolumikizidwa ndi makina opukusa ndi kuwotcherera kapena kuluma ndipo amapangidwira kusokonekera kwamphamvu; 150lb, 300lb, 400lb, 600LB, 900LB, 1500LB ndi 2500Lb.

S32750 S32760 Super Duptux dambo wosapanga matope osakhazikika

\ / 5 kutengera
Aloy 800 wedy wedy timakhala ndi mbiri yolimba mu malonda popanga mitundu yosiyanasiyana ya mitundu yosiyanasiyana ya makasitomala athu. Timakhala ngati infolisoy ma fronges omwe ndi odalirika komanso apamwamba kwambiri. Timagwiritsa ntchito ndalama zotsogola komanso makina apamwamba popanga assowm B564 SIMIL N08800 Stuliloy ma fronges 800.

304 \ / 304L sichingawumitsidwe ndi chithandizo chamankhwala. Kuchita bwino kumawonjezera nyonga ndi kuuma. Mitundu yophunzitsa ili pakati pa 1850¡ã ndi 2050¡f. Ozizira mwachangu. Madzi ayenera kugwiritsidwa ntchito popanga zigawo zolemera; mpweya wowala. Mitundu Yothandizira Yomverali ndi pakati pa 400¡Ã00 7.5f.
Chromium yapamwamba, molybdenum ndi nayitrogeni imapangitsa kuti zikhale bwino kwambiri (zomwe zingachitike) zitsulo zokongoletsera ndi zotupa zosapanga dzimbiri, komanso kutentha kotsika kwambiri kuposa 50¡c.
Al6xn ndi chitsulo chosapanga dzimbiri chosakhazikika ku chloride pansi, crevice kutukuka komanso kupsinjika kuwonongeka. Al6xn ndi Alloy a 6 wokhazikika womwe umapangidwa ndipo umagwiritsidwa ntchito m'malo ovuta. Ili ndi Nickel (24%), Molybdenum (6.3%), nayitrogeni ndi chromium yomwe imapangitsa kuti zisautso, chloride pansi. Al6xn imagwiritsidwa ntchito makamaka pokana zolimba komanso zopondera ku chlorisi. Ndi chitsulo chosapanga dzimbiri.

Mapaipi 254 amatha kupirira kupsinjika kwa makina opanga masewera olimbitsa thupi komanso aloy 254 osuma amagwira ntchito yopanikizika kwambiri komanso malo okhala.

ASTM A335 ndi lingaliro lamphamvu kwa chitoliro chaching'ono cha alrieric chitoliro cha kutentha kwambiri. Covers server levels: P1, P2, P5, P5b, P5c, P9, P11, P12, P15, P21, P22, P23, P91, P92, P122, of which P5, P9, P11, P22, P91, P92 are used in practice the most extensive. Izi zimatulutsa khoma locheperako komanso locheperako molybdenum (lomwe limadziwikanso kuti Cr-moly) mapaipi achitsulo opangira kutentha. Chipika cholamulidwa ndi izi zidzakhala zoyenera kugwada, mbanja ndi zopangidwa chimodzimodzi, komanso nsabwe zowala. ASTM A335 P11, P21, P91 ndi P91 ndi P91 imagwiritsidwa ntchito m'mafakitale a mphamvu ndi matebulo, pomwe P9 ndi P9 amagwiritsidwa ntchito makamaka pokonzanso mafuta.