Mixembaurgish

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.

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.

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.

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.

Alloy 800 ndi a nickeum-chromiam almoy mphamvu ndi mphamvu yayikulu komanso kukana kwa oxidation ndi kutupa kwambiri. ASTM B407 SINE N08800 infoloy 800 WR. 1.4876 Chitoliro chowala bwino chimagwiritsidwa ntchito kwambiri pomanga zida zofuna kukana kuchuluka, kukana kutentha, mphamvu, komanso kukhazikika pakuchita nawo ntchito mpaka 1500 ° C).

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.

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).

Sch40 Monol 400 chitoliro chimasankhidwa kukhala nambala ya Werkstoff 2.4360 ndi N04400. Chipika 400 chimadziwikanso kuti Monil Anoy chitoliro cha 400, Monl 400 Pipe & Nickel Chitoliro 400.

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.

Chrome-Molybdenum ASMEM A234 WPB Kutsika Kwambiri.

M'mavuto athu a Mumbai, timatulutsa radius lalitali (LR, LRE) A234 Chipambalo Spealed of Curvoale cha chipilala ndi 1.5 nthawi ino m'mimba (R.5d).

Zimawonetsa kukana bwino kusalowerera ndale. Izi za alloy zimapanga mwa khumi ndi chimodzi, filimu yoteteza yomwe siyitalikirapo, koma imasunganso kukana kwa makutina kuposa kutentha.

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.

Onse a Sa234 WPB Erdow adapangidwa ku India ndikupangidwa kuchokera ku Europe yoopsa ku Europe. Onse a Astm A234 Elbow & Erbow A234 WPC amapangidwa kuchokera mbale, atapanikiza mbali ziwiri ndi ma halves awiri.

ASME A234 WPB chitoliro cha capurts carbon zitsulo zomwe zimagwiritsidwa ntchito kwambiri mu makampani opanga mankhwala ndi makapu amadzi

FOSTELOLOY C2000 amagwiritsidwa ntchito m'mafakitale ambiri kuphatikizapo mafakitale a petrochemical, makonzedwe a mankhwala opanga mafuta, zophika zamafuta ndi zomera.

A234 wpb erbow imapangidwa ndikupereka mawonekedwe owonda. SA234 WPB CHOLEVJath nthawi zambiri imabwera m'makola atatu; 22.5, 45 kapena 90 madigiri.

ASTM A234 WPB ERAWH ndi imodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri pa chitoliro. Chotupa chimakhala cholumikizidwa ngati chipongwe ndikulola kusintha kolowera poyenda m'madzi otuluka.

Astme A234 WPB Pipe Custings carbon zitsulo zosiyanitsa ndi mizere yamadzi

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.

Zitsulo zosapanga dzimbiri
Kugonjetsedwa kwa Prososion Fretelloy kumagwiritsidwa ntchito kwambiri ndi mafakitale a mankhwala. Kufunika koyenera kumabweretsa mwayi wovomerezeka ndi mphamvu zawo, thanzi komanso zachilengedwe, mafuta ndi mpweya, mafakitale a mankhwala osokoneza bongo.

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.

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.

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.

S32205 SPTEX SU182 STEPE STEE Sang Spekisana ndi zida zamadzi ndi zoyenerera zam'madzi ndi mphamvu zawo zokhala ndi kutentha mpaka 6001f, pomwe palinso zinthu zabwino kwambiri.
Chitoliro chachitsulo & chubu
Kutalika: Malinga ndi zomwe mukufuna. "
Incoloy 800h chitoliro chokhala ndi temple wambiri
Kukula OD: 1 \ / 2 "~ 48" "

Inckel 600 ndi chisonyezo-chromium-in haloy ndi chipongwe chopondera, kukana kwa oxidation ndi mphamvu yayikulu pamatenthedwe okwera. Chifukwa cha zomwe zakwera nickel, zopanda pake 600 ndizosagwirizana kwambiri ndi chloride ion. Kuuma kwa zaka sikofunikira monga zinthu zosadziwika 600 kumaumitsidwa ndikulimbikitsidwa ndi ozizira pantchito kokha. Illevel 600 imatha kugwira ntchito kutentha ngati 700¡f (370¡c).
ma elbow bend chitoliro
www.htsteelpipe.com
Carbon Steel A234 Chipamba Chipamba Alblews Magesi Mapaipi

Mipiringidzo yozungulira imazizira komanso yowoneka bwino, yomwe imapezeka kutalika kapena kudula kukula kwake. Mipiringidzo yozungulira imapereka mphamvu ndi kukana kwa malo osiyanasiyana ndipo imagwiritsidwa ntchito mu chimango, kupanga makina, kupanga makina, ntchito zamankhwala ndi mafakitale azachipatala.
ma elbow bend chitoliro
www.htsteelpipe.com
Carbon Steel A234 Chipamba Chipamba Alblews Magesi Mapaipi

Mabizinesi ambiri amakonda mfundo yoti Isaiwali 600 ndi chitsulo chofananira kwambiri. Chifukwa chake alloy imagwiritsidwa ntchito m'makampani angapo ofunikira m'njira zosiyanasiyana kuphatikizapo chitoliro chodziwika bwino 600. Kupanga mapaipi awa kumatha kuwomedwa kapena kulibe masoka. Pali maubwino ogwiritsa ntchito zonse ziwiri. Kwa e.g. Kukonda kwa chitoliro cha ulevel 600, chomwe chikugwiritsidwa ntchito komwe kuli kofunikira kwambiri. Ngakhale ndizotsika mtengo kuposa imodzi yosanjikiza, ziphuphu izi zimakhala ndi msoko, zomwe zimatha kutenthetsedwa ndi chithokomiro chosinthika - ngati ali okonzedwa moyenera. M'malo mwake, momwe wogula amafunikira kuti agwirizane kwambiri ndi kuthekera kopilira kupsinjika kwakukulu, chitoliro chachilendo 600 ndi njira yabwino kwambiri.
Incoloy 800h flange
Chitsulo cha kaboni
Tsamba 1 la 2
JCPIP.com
Zitsulo zomangira
Chitoliro cha duplex & chubu
Titanium tubing mphamvu zazikulu ndi kachulukidwe kakang'ono
Mipiringidzo yachitsulo & ndodo
Itar 36 Tubed OD: 0.2-6mm, WT: 0.02-2mm
ASME A240 Mtundu 2205 Drite Stockgerder SA 240 GRE 2205
KOR8367 SUMFY SUBE AL6XN WOPHUNZITSIRA

Zolinga za mafakitale, m'mapaipi apakati, nthawi zambiri timafunikira kusintha njira yoperekera; Sungani madzi oyenda (mafuta ndi mpweya, madzi, matope); Tseki lotseguka kapena pafupi, motero, kuti mukwaniritse izi, zotchinga zachitsulo zidzagwiritsidwa ntchito.

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.

Carbon Steel Flange ndi mtundu wa Rim wopangidwa kumapeto kwa chitoliro pomwe itakhazikika pa chitoliro. Amagwiritsidwa ntchito posindikiza malekezero a mapaipi, mavuvu kapena kulumikizana kwina. Ili ndi mphamvu yayikulu kwambiri ndipo imapezeka ndi contvex pamalo ndikuthandizira kukhazikitsa kosavuta. Ndi chisoti chachitsulo chomwe chili ndi 2.1 wt.% Kaboni. Zitsulo zachitsulo zimakhala ndi magawo ochepa othokoza, koma nthawi zambiri zimakhala ndi manganese.

ASTM A234 WPB ndi kalasi wamba ya 90 digiri yayitali kwambiri. Amapezeka mumtundu waukulu komanso wokulirapo. Amakhala ndi luso labwino ndipo ali ndi zofunika kwambiri papaitali.

Phokoso C-276 ndi nt cr supraloye yowonjezera ndi tungsten, omwe ali ndi vuto lalikulu kuwongolera m'malo osiyanasiyana. Zokwera za NI ndi mo zimapangitsa kuti zitsulo zisunthe kwambiri ndikutha kutsika kwa malo ochepetsa, pomwe cr zimasandulika magwiridwe antchito a anti-oxidation.

Ngakhale molybdenum ndi chinthu chabwino, kugwiritsa ntchito kwambiri kumatha kuchepetsa kudula kwa gr f f11. Zojambula ndi kuwonongeka kwa carbide ya chitsulo kumatha kuchitika matenthedwe oposa 500 digiri Celsius. Chromium yawonjezeredwa ku Sa182 F11 Anoy Steel Cl.2 chitoto chokhazikitsidwa kuti muchepetse kuchepetsa kwa chipongwe ndi kukonzekera. Kuphatikiza apo, Chromium yowonjezeredwanso imaperekanso oxidation.

Zojambulajambula zimagwiritsidwa ntchito kwambiri mu upangiri wogwiritsidwa ntchito ukadaulo wa injini zamakina, makina ndi mafakitale oyendetsa magalimoto. Duptux Steel S31803 Lap Malawi ndiyabwino kugwiritsa ntchito njira zomwe zimafunikira kukana bwino kuposa mtundu wa 316 ndi mphamvu zabwino kwambiri. Tili ndi duplex stepel s31803 \ / s32205 imapondaponda. Zitsulo zitsulo zimagwiritsidwa ntchito mu mankhwala, Petrochemamical, ndi mafakitale.

Nickel 200 ndi njira yolimba yolimbikitsira chitsulo. Nickel 200 bar ili ndi 99.6% Wickel ndi kulemera ndipo amadziwika kuti nickel oyera. Ding 2.4066 Bar ili ndi makina abwino komanso thupi. Mwachitsanzo, Astme B160 N02200 ali ndi kukana kwambiri kwa mankhwala ambiri komanso madera otetezeka. Pakadali pano, nickel 200 ndi njira yolimba yolimbikitsira zilloy zomwe zingapangidwe ngati mipiringidzo ndi ndodo. Zigawo ziwirizi zimagwiritsidwa ntchito mosiyanasiyana ndipo zimatha kusiyanitsidwa ndi ntchito zazikuluzikulu.

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.

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.

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.

Zitsulo za alloy ndi ndodo
Zovala zachitsulo zachitsulo
FSTEOLLOY C2000 ikupezeka mu mitundu yosiyanasiyana ndi makulidwe amtunduwu, mtundu uwu wa chromium-molybdenum aroyoy amadziwika bwino chifukwa cha mphamvu zake zazikulu komanso kukana.
Zitsulo zosapanga dzimbiri & ndodo

Zoyenera zokhala ndi zowoneka bwino ndipo zitha kugwiritsidwa ntchito powonjeza mosavuta. Makina otetemera a cardow omwe amawoneka bwino ndi oyenera omwe amagwiritsidwa ntchito potembenukira kapena kusintha njira ya mapaipi.
Masamba osapanga dzimbiri & ma sheets & coils

A ANI VEMOY Stoyiti 304 Kutulutsidwa chitoliro cha Mapazi 150 mpaka 2500
Onse a Astm A234 Elbow & Erbow A234 WPC amapangidwa kuchokera mbale, atapanikiza mbali ziwiri ndi ma halves awiri. Timapereka 100% radiography pa mawebusayiti onse ngati muyezo.
ANI B16.5 SHART STAND YOPHUNZITSIRA

Flange ndi ziwalo zomwe zimalumikiza zipika ziwiri, kulumikiza mtima kwa chitoliro kumafotokozedwa ndi Flange, garket ndi bolt atatu amalumikizidwa ngati gulu la chisindikizo chophatikizira. Gasket imawonjezeredwa pakati pa ma flanges awiri kenako ndikukhomedwa ndi ma balts. Kupindika kosiyanasiyana, makulidwe ndi osiyana, ndipo ma boloti omwe amagwiritsa ntchito ndi osiyana, pomwe pali zipilala zolumikizidwa, zomwe zimalumikizana ndi pampu yoyaka, siziri invappoite kuyitanira pampu yamadzi ngati zigawo zoyaka, koma valavu yaying'ono, imatha kutchedwa mbali ngati zoyatsira.

Asme B16.9 ndi muyezo wodziwika bwino m'makampaniwo kuti azigwiritsa ntchito moyenera, zopondera, ndi zigwa zomwe zimagwiritsidwa ntchito pamapaipi. Zogwirizana za kukula kwazithunzizi, kulolera, zida, ndi zolemba zamitundu yosiyanasiyana ya zinthu. Katundu wina wogwiritsidwa ntchito kwambiri ndi chipongwe, ndipo a234 wpb nthawi yayitali a rabius carbon chitsulo ndi chisankho chotchuka.

A234 chitoliro cha A234 chopindika cha kupindika ndi 1.5 kawiri m'mimba (R = 1.DD). Timalandilanso madongosolo onse a CS Tsitsani a234 wpb mpaka poyerekeza ndi 90 degree kuti igwirizane ndi zomwe mukufuna.

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

Nthawi zambiri ngodya ya chiberekero ndi madigiri 90 koma pali mitundu yosiyanasiyana ya ma ulbles okhala ndi ngodya zosiyanasiyana. Zovala zam'madzi zazitsulo zazikazi zazitsulo ndi imodzi mwa njira zoyenera kugwiritsa ntchito ndi mitundu ina ya chitsulo.

C2000 Fritelloy Anoy Cund frotelloy C2000 Chipatuli

Eloze A234 WPB amakhazikika m'magulu awiri omwe amatanthauzira mtunda womwe amasintha.

Mecluoy bar incoloy 800 infoloy 800h iccoloy 800ht infoloy 825 incoloy 926 bar

Astme A234 WPB yayifupi yofananira ndi asme B16.9.9.9.9.94 nthawi zambiri imakhala yophika mu ma234 kapena asme B16.49.

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

Gawo lina lofunika la N08800 Involuoy Plate 800 yokulungidwa bwino kwambiri ku chlorine chlorine nkhawa zokhudzana ndi zisudzo zimakhala zopanda vuto.

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

ASME A234 WPB ERAWH ndi gawo lokhazikika pakupanga zolimbitsa thupi za zitsulo za kaboni ndipo alloy amayenera kutentha kwa kutentha komanso kwakukulu.

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.

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

Astme A234 WPB Pipe Custings Carbon zitsulo zopangidwa ndi kutentha kwaulere

A234 wpb B16.9 Maso amagwiritsidwa ntchito pomanga mapaipi. Tikupanga ASME A234 WPB Erdord kuchokera pamapaipi pogwiritsa ntchito "Mandrel" omwe amalola chitolirocho kuti chitolu chizikulitsa ndikukula nthawi imodzi.

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

A234 wpb sch 80 ewwn imapezekanso pamtundu waukulu. Cholinga chogwiritsa ntchito Astm A234 gr wpb erdow ndikusintha njira kapena kuyenda munjira yopumira.

Onse a Sa234 WPB Erdow adapangidwa ku India ndikupangidwa kuchokera ku Europe yoopsa ku Europe.

Astme A234 WPB Pipe Custings Caboni chitsulo

Gawo lofala kwambiri la 45 degrani chitsulo ndi smer b16.9, B16.28 MSS-SP43 \ \Å5 \Å (m'nthawi zonse).

A234 wpb sch 80 ewbow ndi njira yomwe imasinthiratu 80. Astm A234 WPB Elibondo amathanso kukhala yolumikizidwa kapena kupangidwa; Nthawi zina amakhalanso ndi opanga.

Pali Astm A A234 WPB embo pomwe makamaka pofunikira, 45-9-

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

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.

Astme A234 WPB Pipe Clain Stone Stones Omwe Amapangidwa ndi Zitsulo Zosiyanasiyana ndi Zitsulo Zotengera Kugwiritsa Ntchito

Astme A234 WPB Pipe Zovala za Carbon zitsulo zomwe zimagwiritsidwa ntchito kusintha njira yotuluka kapena kusintha kuchuluka kwa ma media

Eloze A234 WPB amakhazikika m'magulu awiri omwe amatanthauzira mtunda womwe amasintha.

Astme A234 WPB yayifupi yofananira ndi asme B16.9.9.9.9.94 nthawi zambiri imakhala yophika mu ma234 kapena asme B16.49.

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