Nā papa keleawe a me nā pale a me nā'āpana

Ua kohoʻiaʻo Sch40 Monel 400 paila e like me Werktoff helu 2.4360 a me keʻole N04400. Ua hoʻokumuʻiaʻo Analo 400 Oploy ma o Memle 400 Pipe, Mely 400 Pipi 400 Pipi 400 Pipa & Nicike & Nicikelom Elalo 400 Pipa 400

ʻO Excontel 718ʻo ia kahi inoa inoaʻo Nickel-Chomium-chromitium ʻO kekahi o nā mea nui loa i ka hana o ka hana o ka astm b670 Incontel 718 ka pepaʻo ka papa hana papa. Aia heʻelua mauʻano nui o nā hanana hanana 718 i loaʻa ma ka mākeke: i hoʻopiliʻia a me ke anuanu.

Nā CoLitiles, Follal, Rolls, Sole, Shim Spet, SCECHED BACE, CHECKRED, COCEP, FREE

Incooloy 800th Flange i loaʻa iā mākou kahi hana ikaika i kaʻoihana no ka hanaʻana i nāʻano kiʻekiʻe o nā mea kūʻai aku. Hana mākou i nā flangy 800 flanges e hilinaʻi a kiʻekiʻe i ka maikaʻi. Hoʻohana mākou i nā kumuwaiwai kūʻai mua a me ka mīkini holomua no ka hanaʻana i ka Astm B564 URT N08800 UPOLOY 800 FOLLARY 800 FILTOY 800 BLUES 800 FOLDER 800 FILLY.

ʻO nā mea nui a Alloy 600 he mau mea pono loa o ka hana hou a hoʻohanaʻia ma kahi ākea o nā huahana kālepa a me nā mokulele i nā mokulele. ʻO ka inconel 600 he papa kaulana loa e loaʻa ana iā Nickel, Chromium a me nā mea'ē aʻe no ka paleʻana i ke kū'ē maikaʻi loa. Hoʻonuiʻia ka lōʻihi o kēia neʻeʻana e like me ka hoʻonuiʻana o ka wela. ʻO kā mākou mea kūʻai aku 500 mau mea paʻa i ka hopena kūpono no nā noi e koi ana i ka nui o ke kiʻekiʻe, a me nā mana hoʻohālikelike maikaʻi loa. Hāʻawiʻo Nickel

ʻO Alloy 800 he Nickel-Irkel-chromium alloy me ka ikaika kiʻekiʻe a me ka paleʻana i ka ikaika a me ka corrosiot i nā kiʻekiʻe kiʻekiʻe. Astm B407 URT N08800 INCOLOY 800 W. NR. 1.4876 ka pape welded i hoʻohana nuiʻia no ka hanaʻana i nā mea hana e koi ai i ke kū'ē

Nilo allloy 36, w.nr 1.3912, Gockel ka nui o keʻano o ka carbon.

Hāʻawiʻo Steel Flaes i kahi ala maʻalahi no ka hoʻomaʻemaʻe, nānā a hoʻololi paha. Hele pinepine lākou i nāʻano a me nā mea e hiki ai ke hele mai i loko o nā'āpana a me nāʻano rectangular. Hui pūʻia nā flanges i kēlā me kēia e ka bolting a hui pū i ka'ōnaehana piping ma keʻano o ka neʻeʻana a iʻole ke kauʻia i nā helu kiko'ī; 150Lb, 300lb, 400lb, 600lb, 900lb, 1500lb a 2500lb.

ʻO kahi pūpū i hoʻopaʻaʻia i ka'āpanaʻekolu a me ke kūʻokoʻa me kaʻole o nā mea i hoʻopiliʻia; nā palaoa, nā wahia kūlohelohe a me nā hao; e'ākoakoaʻia e kekahi mana hou,ʻo ka mea kūpono. Pono nā mana kūikawā i ke koho a me ke noiʻana o nā mea a pau i loaʻa i nā mea āpau e loaʻa ai kahi paʻa.

ʻO InCooloy 825 mau pū me ka pahu a me keʻano he nui a alloy 800 bar, akāʻoi aku ka maikaʻi o ke kū'ēʻana i ka wai o ka wai. ʻO InColoy 825 mau pahu a puni kekahi mau pale i ka oxidizing a me ka hōʻemiʻana i nā maʻi a me ka hoʻouluʻana i nā crerosion e like me ka cretice a me ka pale ʻO ka alloy 825 e kū mau ana i nā phoshoric a me nā maʻi sulfuric.

ʻO nā Kūlana Kūʻai mai B16.5, B16.47 a ma nāʻano likeʻole a me B. He mauʻano likeʻole e pili ana i ka mea e like me keʻano o ka mea likeʻole. He waiwai maikaʻi loa ka clang clanges ma muli o ka'ā'ī i hoʻopauʻia i nā flanges, eʻae lākou no ka nui o ka grip maikaʻi. ʻO nā kūlana likeʻole e like me DR DIN 1.45712 Flange e koho i ka nui,ʻo Diameter a me ka pā nui o nā flanges.

ʻO Incooloy 800ht Hall Sheet ʻO Incooloy 800HS sheet i loko o ka paleʻana o ka corrosior corrosion corrosion

0.8m Guinslelelelele disel plate 304
NOHO Pearl Pollowings
ʻO ka hui pūʻana o nā kumukūʻai haʻahaʻa haʻahaʻa loa i loko o ka wai kai kiʻekiʻe a me ka ikaika ikaika e hana ai i nā paila o keʻano o kaʻoihana manika.
AISI 310S Stalinless Gamelleless Steamless Pipi

A789 UNS S31803 a me URT S32205ʻElua mau helu Duplex i hoʻohana pinepineʻia ma nāʻano hana maʻamau. Uaʻikeʻia kēia mau kīʻaha duplex s3180. ʻO A789 kahi kiko'ī e uhi ana i nā'āpana seamless a me nā tubes i hanaʻia mai Duplex Inselless Steel.

Liʻiliʻi a iʻole ka hoʻoukaʻana ma nā lumi a me nā mahana kiʻekiʻe i nā kaila maloʻo, e like me ka chloride a hydrogen chloride. I nā mahana a hiki i 550c i kēia mau pāpāho, ua hōʻikeʻia kēiaʻano o keʻano o ka hapa nui o nāʻano maʻamau.

Hiki i kahi flange ke pā i ka uhi no ka uhiʻana a iʻole paniʻana i ka hopena o kahi paipa. Ua kapaʻia kēia he ahi makapō. No laila, manaʻoʻia nā flanges e lilo i nā'āpana kūloko i hoʻohanaʻia e kākoʻo i nā'āpana mechanical.

ʻO ka mea kūʻai akuʻo Steelless Steel 304 ʻO kēia ka mea i hoʻohana nui loaʻia o nā mea nānā a pau i ka honua.

Nickel alloy bar & rods
ʻO ka helu B574 e kuhikuhi ana i nā koina no nā koinaʻo Nows ʻO kēia mau huahelu huahelu B574 e hōʻike ana i nā piliona huna palekana.

316l 1.440116603 Stainless Steel Fail Pipi a me nā koho balota maʻamau i hoʻohanaʻia ma kahi ākea ākea a me nā noi maʻamau. Ua hanaʻia kēia SS UN SS URT S31603 Pear i kahi kiʻekiʻe o keʻano he nui a me keʻano nui.

ʻO Nickel Alloy 400 a me ka moa 400,ʻikeʻia e like me ka Nok4400,ʻo ia ka Brictile Nickel Uaʻikeʻiaʻo Nickel Alloy 400 i kona paleʻana i nāʻano kūlike, me Alkaliis. No ka meaʻo Monel 400 a iʻole he 400 kahi i hana i ka metal i loaʻa, he nui keʻano a me ka ikaika. Ma ka hana anuanu astm b164ʻAʻoleʻo Br Stock Stock, i kauʻia nā pae kiʻekiʻe o keʻano o keʻano o ka miclotrunical.

Ua hanaʻia nā momona o ka pīpī 304 ʻO kēia mau mea hoʻopiʻi S30400 e hoʻohana ana i ka hoʻohanaʻana i nā mīkini loea a me nā kaʻina hana, e hōʻoiaʻiʻo ana e kūpono a hilinaʻi lākou.

ʻO N04400 Buddle Forting Fitings he mea kū'ē i ka chloride i ka checking style stringion style. Ua'ōleloʻiaʻo Wnr 2.4360 Butt Weld Weld i loaʻa i nāʻano likeʻole, e like me nā mea e like me nā paila Nā Fitty, Welded Butt Weld Weld kūpoʻi a me nā mea hou aʻe.

ʻO ka Flange ka lua o keʻano e hoʻohana ai i keʻano o ka hanaʻana ma hope o ke kiʻiʻana. Hoʻohanaʻia nā flanges i ka wā e pono ai nā hui. Hāʻawi ia i kahi kūpono no ka mālamaʻana. Hoʻopili ka flange i ka paipu me nā mea likeʻole a me nā mea kūʻai aku. Hoʻopiliʻia nā blassup flaes i ka'ōnaehana pipeline inā mālama maʻamau ka mālamaʻana i ka wā o ka hana lāʻau.

He mea hana mākou, ka mea kūʻai aku a me ka mea lawe i nā flang flaes, eʻaeʻia e nāʻoihana nui e like me ke kumu kūʻai nui e hoʻonui ai i kona kumukūʻai.
Handelloy X Nippopolet Flangs Flanges Handtelloy X SCIP ma Flanges

ʻO Alloy 800ʻO nā'ōlaʻiʻulaʻula i loaʻa iā mākou he waiwai ikaika i loko o kaʻoihana no ka hanaʻana i nāʻano kiʻekiʻe o nā mea kūʻai aku. Hana mākou i nā flangy 800 flanges e hilinaʻi a kiʻekiʻe i ka maikaʻi. Hoʻohana mākou i nā kumuwaiwai kūʻai mua a me ka mīkini holomua no ka hanaʻana i ka Astm B564 URT N08800 UPOLOY 800 FOLLARY 800 FILTOY 800 BLUES 800 FOLDER 800 FILLY.

ʻAʻoleʻo N08367 i kapa pinepineʻiaʻo Alloy alowbden a me ka currosity superidet nui a me ka curvice

0.8mmal tralins cheel plael distel 304 - zhengzhhou huito pipeline papeline co., ltd.
ʻO nā mea i hoʻopaʻaʻia-expast
URT N08367 SEMLENTER TUBER AL6XN WELDED WELDED TUBE

Hiki iā ia ke hoʻomau i kahi ākea ākea a me nā mea hanaʻole e hoʻopili ana, a me ka hōʻikeʻana i ka paleʻana i ka pale a me nā mea pio'ē aʻe.

ʻO ka papa inoaʻo Alloy 400 mau mea e hōʻike ai i ke kū'ēʻana i ke kū'ēʻana i nā hoʻoponoponoʻana ma keʻano he mau mea e pono ai keʻano o nā noi moana.

Ua noiʻiaʻo Handdellol X Pipi Bend no ka hoʻohanaʻana i nā noi Furnace no ka mea maʻamau, heʻano hanaʻole, a me nā mea hoʻonaninaniʻole.

Asme b36.19m ka mea kiko'ī maʻamau no nā pipes kila kila, e hōʻike ana i nā dimensies, a me nā koi ponoʻole.

Ua hoʻohanaʻiaʻo Hatelloy C2000 mau tubes i ka pākeke kikowaena me ka hoʻopiliʻana i nā lako hoʻoiliʻana, me nā lāʻau uila.

Astm A312 TOPPTED AUPE NO KA HOOPONOPONO, NANUM E PILI ANA I KE ATENDED AUTED AUTED SILD SMALD SMALDS ATERTEDIVER ATETED ATUTED ATUTED ATUTED ATUTED ATUTED ATUTED ATUTED ATENDERS. Hanaʻiaʻo ka mokulele mokuleleʻo 316

ʻO Handely C276 he Nickel-Chromium-Molybdenum i hōʻikeʻiaʻo Molybden e noʻonoʻo i ka mea i loaʻa i keʻano o ka corrostinit ʻO kēia Alloy ke kū'ē i ka hoʻokumuʻana o nā palena o ka palaoa i nā manawa wela i piliʻia, no laila e kūpono ana i keʻano o ke kaʻina hana maʻamau. Ua loaʻa iā Alloy C-276ʻO ka paleʻana i ke kū'ēʻana i ka hoʻopiliʻana, e hōʻeha ana i ka corrosion corcking a me ka ho'ēmiʻana i nā lewa a hiki i 1900.f. Ua kū i kahi pale'ē aʻeʻo Alloy C-276 i kahi nui o nāʻano lāʻau.
Ahu, uaʻaihueʻo ia i ka pipe & Tube
ʻŌlelo Haiki
'»
S30400 pa
Kāhea 36 UNT K93600
\ / 5 / ^ E pili ana
Gontar 36 nilo Alloy 36 W.NR 1.3912 UND K93600 AstM F1684
ʻO nā lāʻau lapaʻau maikaʻi
Nā papa koho balota a me nā pale a me nā'āpana

Ua nui ka puala 400 a me ka balloy aclot i nā waiwai maikaʻi loa, e hana nui ana i nā pipe pipe. Hiki i ka Moel 400 Poka Poka e hiki ke hāʻawi i ka hana kiʻekiʻe. He kāʻeiʻo ia me ke kāʻei keleawe, me kahi keleawe he liʻiliʻi, me nā'āpana mane, ke kalani, a me kaʻoihana loea. ʻO ke kiʻi nūna o ka miloliko o ka neʻeʻana o ka papani 400 pick i nā hopena pihaʻana ma kona ikaika. ʻO nā mea hana maikaʻi loa i hanaʻia ma India ka hanaʻana ma India ma ka hana kiʻekiʻe ma muli o nāʻoihana kiʻekiʻe a me nā alkalis ke kumu nui ma hope o kēlā. E loaʻa i ka alloy 400 buttweold Check i ka moekolohe maikaʻi, kaʻaihue, a ua hiki iā lākou ke hoʻopaʻakikīʻia e ke anuanu.

ʻO Nickel 200 Flanges i ka Nickel 200 mau Blanger, ua paʻaʻole nā ​​Blangs Eia nō naʻe,ʻo ka astm B564 UNT N02200 mau mea makapō i keʻano o ka hanaʻana a me ka hanaʻana no ka hoʻohanaʻana i nā lako hana meaʻai.

ʻO ka iʻa he'oki'īʻia, nā lehelehe a iʻole ka rim, a i loko o waho a iʻole ka hanaʻana i ka ikaika o ka hao hao No ka hoʻopili maʻalahiʻana \ / ka hoʻololiʻana o ka pilina pili me kekahi mea'ē aʻe (e like me ka flange ma ka hopena o kahi pākeke, etc. a iʻole no ka hoʻopaʻaʻana a me ke alakaʻiʻana i nā neʻe o kahi mīkini a iʻole nā'āpana o ka kaʻa kaʻa a iʻole ka huila o nā huila mai ka holoʻana i nā huila. Hoʻohanaʻia ka hua'ōlelo "Flange" no kahiʻano hana i hoʻohanaʻia e hana i nā flanges.

ʻO Nickel-Copper-copper-colloy 400 moll chery 2.4360 ʻO Moel 400 kahi keleawe a me nā nokel e pili ana i ka moky mody e pili ana i kēia lā ma muli o kona hana kiʻekiʻe. ʻO ka alloy ka mea maikaʻi loa a me nā pale alkili. Eia kekahi, he ikaika maikaʻi ka nui, nā hopena heʻe maikaʻi loa, maikaʻi loa ka maʻi hoʻohuwali wai, a hiki ke paʻakikī i ka hana anuanu. Eia kekahi, hiki iā ia ke hoʻohana i nā noi me nā mahana i ka nui o ka miner mai ka minius i 538 degal celdsius.

304 TRAINEST BEAEL BIETE ASTM ADM A240 TYP TYPE 304 COIL KOU

Hōʻike ia i ke kū'ē maikaʻi i ka hanaʻole a me ka hōʻemiʻana i nā wahi. Hoʻokumu kēia Alloy i kahi kiʻi pīkī o ka pipi

Ua hoʻopiliʻiaʻo OCOLOY ACCOY ALAY e like me ka inoa prefix i kekahi mauʻano kiʻekiʻe o ka manina nui i hanaʻia e nā hui metala kūikawā. ʻOi aku ka maikaʻi o Nickel no nā kālepa wela ma ka hoʻoiliʻana i kaʻoihana a me nāʻoihana nukle. Hoʻohanaʻia lākou ma Steam Generator Tourator Tribing ma kaʻoihanaʻoihana nukle, i nā'ōnaehana mokulele kiʻekiʻe e pono ai

Hoʻohana pinepineʻia kēia mau flaes i nāʻoihana noi likeʻole e like me ka petroleum, ke kālepa, ke kūkuluʻana, nā meaʻenehana a me nā meaʻenehana a me nā mea hana.

ʻO ka pāʻoihana kiʻekiʻe o ka maniha kiʻekiʻe e hoʻohuiʻia me nā'āpana o MG,ʻo Cr a me CR a me CR a ua hoʻomaikaʻiʻia i kekahi superlasisticity. I ka 1010¡æ, keʻano o ka strain helu sensiex sextivity index m he 0.32, aʻo ka nui loa ellongation he 240%.

ʻO GOTELLY C-276 ALLOY ACTOCTENT E KOMO ANA I KA LOHE ANA, ACTICE ACTICACT, ACETIC ACTICHTIKI, ACETIC ACTICATION, ACETIC ACTIILE A ACTICACHES Hiki ke hoʻohanaʻia ma ka flie gas i nā'ōnaehana desulfurization no kāna kūwaho maikaʻi loa i ka culfur e hoʻopili i nā scrubers.

ʻO ka inctoel 600 mau pahu e pili ana i ka Nicokal ʻO ka inconil 600 mau pahu e pili ana i ka maloʻo maloʻo cl2 a me nā mea'ē aʻe e like me nāʻano likeʻole a me nā kiʻekiʻe kiʻekiʻe. ʻO ka alloy 600 bar he Nickel-chromium alloy me ka pale o ka oxidation maikaʻi a me ke kū'ēʻana i ka wai e hoʻonui ai i nā wela.
Fulex Steel flanges
ʻŌlelo Haiki
'»
S30400 pa
Kāhea 36 UNT K93600
\ / 5 / ^ E pili ana
ʻO Monel 400 mau'ōnaehana piping no nā noi wai kai
ʻO nā lāʻau lapaʻau maikaʻi
Nā papa koho balota a me nā pale a me nā'āpana
1000mm, 1200mm, 1500mm, 1500mm, 2000mm, 2000mm, 300mm, 300mm, 300mm, 300mm, 300mm, 300mm, 300MM.
ʻO ka carbon selael flange bl flange blange 150 flange

Nickel alloy bar & rods
ʻO ka helu B574 e kuhikuhi ana i nā koina no nā koinaʻo Nows ʻO kēia mau huahelu huahelu B574 e hōʻike ana i nā piliona huna palekana.

Hated mai ka 1050¡Ããc i ka 1150¡8c a me ka wai i haʻaleleʻia, ua hōʻoleʻia kēia mau kaʻa a pau.

Handellol X Pipi Bend Wond Wonders UPT N06002 PPE FOLTINGS i hoʻohanaʻia ma nā hale kūʻai kākoʻo

ʻO Jontar 36® he kapa nulkel-hao, ka haʻahaʻa haʻahaʻa haʻahaʻa e loaʻa ana i ka makahiki 36%

Ua liloʻo ia i ka pōkōʻo And66 Uaʻikeʻia kēiaʻano hao a me ka chrome no kona pale kiʻekiʻe i ke kuʻekuʻeʻana, a me kona mau wā e like ai. 316 hiki ke kiʻiʻiaʻo GRAEELY TUSEE TUBING i nā kīwīʻelua a me nā kīwī i hala e hoʻokō ai i nā pono o nā mea kūʻai aku.

Ua nui ka puala 400 a me ka balloy aclot i nā waiwai maikaʻi loa, e hana nui ana i nā pipe pipe. Hiki i ka Moel 400 Poka Poka e hiki ke hāʻawi i ka hana kiʻekiʻe. He kāʻeiʻo ia me ke kāʻei keleawe, me kahi keleawe he liʻiliʻi, me nā'āpana mane, ke kalani, a me kaʻoihana loea. ʻO ke kiʻi nūna o ka miloliko o ka neʻeʻana o ka papani 400 pick i nā hopena pihaʻana ma kona ikaika. ʻO nā mea hana maikaʻi loa i hanaʻia ma India ka hanaʻana ma India ma ka hana kiʻekiʻe ma muli o nāʻoihana kiʻekiʻe a me nā alkalis ke kumu nui ma hope o kēlā. E loaʻa i ka alloy 400 buttweold Check i ka moekolohe maikaʻi, kaʻaihue, a ua hiki iā lākou ke hoʻopaʻakikīʻia e ke anuanu.

He welded astm a403 ka mea kila kila kila kila i hanaʻia i nā'āpana o nā papa kila. Hoʻokomoʻia nā mea kūpono kūpono i nā wahi kūpono o ka 10% nickel a me nā mea chromium kiʻekiʻe.

Hoʻohanaʻia nā flanges e hoʻopili i nā pipesʻelua a iʻole e pani i ka kahe i loko o ka paipa. Hoʻohana pinepineʻia nā luʻu 600 mau umauma ma ka'eneki o ka pahu pahu pahu, Spray Birls, nā mea kanu kīwī, a me nā mīkini hāmeʻa. Ke kauʻia ma kahi o kahi papa inoa o kahi wela i mālamaʻia i ka flage flate flate. Asme \ / ansi b16.5 Inconoel aly i hoʻohanaʻia ma keʻano o kaʻoihana a me ka hoʻomehanaʻana.

Astm A240 Type 2205 Plate Actex Stainleless Guilleless But Membery E hoʻohana pinepineʻia i ka hanaʻana i keʻano o keʻano hana, a me ke kaʻaahi a me kaʻenehana. Sa 240 Gr 2205 pepa i hanaʻia mai ka papa kiʻekiʻe 2205

Loaʻa i kēlā me kēia ala ke loaʻa nā pōmaikaʻi a e hoʻoholo ai i ke kiʻekiʻe o ke kiʻekiʻe o ka liloʻana a me keʻano hope o ka paipa.

ʻO A335 P22 he wahi seamless i hanaʻia i hanaʻiaʻo Ferritic Alloy Finyless Steel. ʻO Chemically, keʻano o ka huiʻana o Sa335 p22 i nā wahi he mau'āpana o ka carbon,ʻo Kenganase, Silgrough. ʻO nā mea nui nui ma ka alloybdenum a me ka chromium, kahi e hāʻawi ai i nā mea kila maikaʻiʻole. ʻO ka ikaika ikaika, ke kū'ēʻana o Corlisio, paʻakikī a hoʻonuiʻia nā waiwai'ē aʻe a me nā waiwai'ē aʻe a hoʻomaikaʻi. Hoʻemiʻo Molybdenum i ka brittleness i hoʻokumuʻia e ka hoʻohuiʻana o ka chromium.

Inconel 600 seamless tubes of reseres of resard res res resard res res res res reserns res cent N06600 a me Astm B167ʻO nā mea i hanaʻia e kākoʻo nuiʻia.

Hāʻawi kēia i ke kū'ē i ke kū'ēʻana i ka sulfuric acid. Loaʻa iā ia kahi mea iʻike nuiʻia, e hoʻonui i kona paleʻana i ka oxidizing a me nā kaʻina hana i hoʻohālikelikeʻia me nā oxygen.
Ahu, uaʻaihueʻo ia i ka pipe & Tube
ʻŌlelo Haiki
'»
S30400 pa
Kāhea 36 UNT K93600
\ / 5 / ^ E pili ana
Inconel 718 2.46668 wela i ka pākeke a me ke kīwaha maloʻo
ʻO nā lāʻau lapaʻau maikaʻi
Nā papa koho balota a me nā pale a me nā'āpana

ʻO Al6xn kahi mea i aloha nuiʻia me ka paleʻana i ka paleʻana i ka paleʻana, crevice corrosion a me ke kaumaha corrosione a me ke kaumaha ʻO Al6xn he 6 molly alloy i hoʻomohalaʻia no ka hoʻohanaʻana a hoʻohanaʻia i nā wahi ākea nui. He Nickel kiʻekiʻe (24%) Ua hoʻohana muaʻiaʻo Al6xn no kāna mea i hoʻomaikaʻiʻia a me ka crevice corrosion corostion i loko o nā chrides. He mea kila kila a me keʻano maʻamau.

ʻO ka corrosiod restant reselloy alloys i hoʻohana nuiʻia e nāʻoihana hana hoʻololi. ʻO ka pono no ka hoʻokō ponoʻana i kā lākouʻaeʻana a me ka uluʻana i nā wahi o ka ikehu, ke olakino a me ka haule a me nā mokulele

ʻO Nickel Alloy Anuy 718 Nā Naits i hoʻohanaʻia no nā kumu o nā mana o nā mana a iʻole ka crevice corrosione