ASTM A269 TP316 1.4401 Cov Khoom Siv Hlau Stainless Hlau

Cov fittings yog puab thiab tom qab ntawd rhuab mus rau lub siab kub raws li kev txias txias kom ze rau qhov txias txias hauv cov huab cua tseem. Qhov kev txias txias no ntxiv ntxiv rau lub zog ntawm lub stainless hlau 310 cov yeeb nkab fittings thiab ua rau lawv muaj zog ntau. Lub ss 310s haum siv nyob rau hauv kev lag luam zoo li dej hiav txwv ua, thermal zog tiam cov nroj tsuag thiab cov piping ntau li. 310s ss Weld fittings siv nyob rau hauv cov chav kawm siab sib txawv los daws tau cov kev xav tau ntawm daim ntawv thov ib yam nkaus.

Lub taub hau hex taub hau yog lub taub hau nrawm dua nrog ib qho ntawm ib qho, tsim qauv nrog rau ib qho kev sib sau ua ke hu ua txiv ntoo, tig mus ua kom nruj lossis xoob qis lub ntsej muag. Alloy 316 yog molybdenum-uas muaj cov roj me me uas muaj 18% chromium, 8% npib tsib caug, thiab 2-3% molybdenum.

Cov no yog stainless hlau wasters nrog cov oxidation siab tiv taus. Stainless hlau 316Ti gaskets feem ntau pom nyob rau hauv cov cheeb tsam uas zam, suav nrog cov khoom siv zeb zeb, kho cua sov, thiab ntau yam cua sov, thiab ntau yam cua sov, thiab ntau yam cua sov, thiab ntau yam cua sov, thiab ntau yam. Cov ntawv thov no feem ntau nthuav cov roj rau acetic thiab citric acids, sulfur dioxide thiab ammonia kom tiv taus corrosion. Lub stainless hlau 316Ti split gasket yog tsim rau qhov kub siab dua vim tias nws muaj cov ntsiab lus roj carbon qis kom tiv thaiv embrittlement.

Stainless hlau yog ib qho alloy ntawm cov hlau uas tiv taus xeb thiab xeb. Nws muaj tsawg kawg yog 11% chromium thiab tej zaum yuav muaj cov ntsiab lus xws li carbon, lwm yam tsis yog lwm yam kom tau lwm yam uas xav tau. Stainless hlau qhov tsis kam rau corrosion tau los ntawm cov chromium, uas ua cov yeeb yaj kiab passive uas tuaj yeem tiv thaiv cov khoom thiab kho tus kheej nyob rau hauv lub xub ntiag ntawm oxygen

304 Piping spools yog tsim los ntawm 304 stainless hlau, ib qho khoom siv nrov thiab nrov tshaj plaws hauv ntau cov ntawv thov uas xav tau kev tiv thaiv kom xeb thiab oxidation. Cov kev tshaj lij no yog preooss siv cov machinery thiab cov txheej txheem tshwj xeeb, uas paub meej tias lawv muaj tseeb thiab ntseeg tau.

Ua kom tiav thiab infinitely recaclable, stainless hlau yog lub ¡° ntsuab cov khoom siv. Qhov tseeb, nyob rau hauv kev tsim kho kev ua haujlwm, nws tus nqi rov qab tiag yog ze rau 100%.

Al6XN yog superaustenitic steel hlau nrog kev ua tau zoo rau chloride pitting, crevice corrosion thiab kev nyuaj siab corrosion tawg. Al6XN yog 6 Moly alloy uas tau tsim rau thiab siv hauv kev sib cav sib ceg siab. Nws muaj cov npib tsib xee (24%), Molybdenum (6.3%), nitriumen thiab chromium cov ntsiab lus tawg, thiab tshwj xeeb corrosion tiv thaiv. Al6XN yog feem ntau siv rau nws cov kev txhim kho pitting thiab crevice corrosion tsis kam hauv chlorides. Nws yog ib qho tsim nyog thiab weldable stainless hlau.

Qib 317L stainless hlau flanges yog npaj rau cov ntawv thov hauv kev lag luam, kev kos duab, thiab tsheb thauj mus los hauv teb. Qeb 317L tseem muaj cov yam ntxwv vuam zoo. Tom qab Weld annealing tsis tas thaum vuam nyias ntu.

SAE 304 stainless hlau yog qhov feem ntau steel hlau. Cov hlau muaj ob txoj kev chromium (nruab nrab ntawm 18% thiab 20%) thiab thib pua (nruab nrab ntawm 8%) [1] cov hlau uas yog cov qauv hlau tseem ceeb. Nws yog ib tus neeg siv tshuaj hlau tsis huv. Nws tsis tshua muaj hluav taws xob thiab cuam tshuam cov khoom siv hluav taws xob ntau dua li cov hlau. Nws sib nqus, tab sis tsis sib nqus dua li hlau. Nws muaj ntau dua corrosion tsis kam ntau dua li cov hlau tsis tu ncua thiab siv dav siv vim yog qhov yooj yim nyob rau hauv ntau yam duab. [1]

Ntxiv rau cov txiaj ntsig ib puag ncig no, stainless hlau kuj tseem yog kev txaus siab, yooj yim kom muaj kev tu siab, yooj yim ruaj khov thiab muaj ntau yam. Raws li qhov tshwm sim, stainless hlau tuaj yeem pom hauv ntau yam khoom txhua hnub. Nws kuj tseem yog lub luag haujlwm tseem ceeb hauv kev lag luam, suav nrog lub zog, kev thauj mus los, kev tshawb fawb, kev tshawb fawb, tshuaj, khoom siv, cov khoom siv.
304 Stainless hlau tau ua tau zoo heev rau ntau yam ntawm cov cheeb tsam cheeb tsam thiab ntau cov xov xwm corrosive. Nws yuav tau kev pitting thiab crevice corrosion nyob rau hauv sov chloride ib puag ncig, thiab kev nyuaj siab corrosion cracking saum toj saud txog 60 Ã Ã Ã Ã Ã Ã Ã Ã. Nws suav hais tias yog tiv taus rau pitting corrosion nyob rau hauv dej txog li 400 mg \ / l chloride ntawm huab cua kub, tsawg dua li ntawm 150 mg
Hmoov tsis zoo li S32100 thiab qib 32% rau 19% rau 1 xee, .70% titanium, nrog qhov sib npaug yog hlau. Nrog rau kev cuam tshuam rau corrosion tsis kam, 321 stainless hlau yog sib npaug rau qib 304 nyob rau hauv anealed mob thiab zoo dua yog tias daim ntawv thov cuam tshuam nrog 797¡Ã li 1652¡Ã f ntau. 321 Stainless hlau ua ke siab lub zog, tiv taus rau scring thiab theem kev ruaj khov nrog kev tiv thaiv a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a axoous.

Peb yog cov chaw tsim khoom ntawm stainless hlau 304 pob tw wandd fittings uas yog tsim nyob rau hauv ntau yam tsim, cov qauv, cov qib, nrog txhua qhov kev lag luam kev lag luam xav tau.

Hom 304 stainless hlau yog ib t 300 series stainless hlau Austenitic. Nws muaj tsawg kawg 18% chromium thiab 8% npib tsib xee, ua ke nrog ntau tshaj plaws ntawm 0.08% carbon. Nws txhais tau tias yog cov chromium-npib tsib xee owenitic alloys tau siv rau ntau yam khoom siv khoom noj thiab cov khoom lag luam, cov tais diav, thiab tso manifolds. 304 Stainless hlau tseem siv nyob rau hauv cov kws ua vajtse teb rau sab nrauv li xws li dej thiab hluav taws. Nws tseem yog cov khoom siv chwv ib txwm muaj rau vaporizers.

Lub ASTM A182 Flange Spearification muaj ntawm Alloy Steel thiab yog qhov zoo rau cov ntawv thov siab thiab cov tshuab. F22 yog qib steel. ASTM A182 F22 F22 F22 yog ib qho ntawm cov kev xaiv ntau tshaj plaws thiab yooj yim rau kev siv thiab tsim khoom. Alloy Hlau A182 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22 F22

316L 1.4401 tus yeeb nkab stainless hlau yog ib qho kev xaiv yeeb nkab zoo heev thiab cov yeeb nkab ruaj khov siv hauv ntau cov ntawv siv. Qhov no ss s31603 yeeb nkab yog tsim los ntawm cov hlau zoo 316L stainless ua rau corrosion, oxidation thiab staining rau cov chaw hnyav lossis kev siv ntxhov siab.

Nws tuaj yeem tiv thaiv cov chloride ion kev ntxhov siab corrosion, thiab kuj muaj cov kev tiv thaiv zoo thiab muaj kev ruaj khov zoo hauv kev tawm suab.

Hom 304 stainless hlau yog ib t 300 series stainless hlau Austenitic. Nws muaj tsawg kawg 18% chromium thiab 8% npib tsib xee, ua ke nrog ntau tshaj plaws ntawm 0.08% carbon. Nws txhais tau tias yog cov chromium-npib tsib xee owenitic alloys tau siv rau ntau yam khoom siv khoom noj thiab cov khoom lag luam, cov tais diav, thiab tso manifolds. 304 Stainless hlau tseem siv nyob rau hauv cov kws ua vajtse teb rau sab nrauv li xws li dej thiab hluav taws. Nws tseem yog cov khoom siv chwv ib txwm muaj rau vaporizers.

316L stainless hlau yog ib qho kev sib txuam ntawm kev ua haujlwm feem ntau hu ua "Marine qib stainless hlau" vim tias nws siv nyob rau hauv ze li 90% ntawm cov ntawv thov marine - suav nrog kev lim dej. Ntxiv rau cov hlau xws li hlau thiab npib tsib xee, 316L muaj 16-18% chromium thiab 2-3% molybdenum. Cov ntsiab no yog qhov tseem ceeb vim tias lawv txhim kho lub corrosion ntawm corrosion; Chromium sib cuam tshuam nrog oxygen nyob rau hauv dej hiav txwv los ua txheej tiv thaiv oxide, thaum molybdenum txhim kho cov hlau ua kom pitting corrosion. Ib qho ntxiv, 316L muaj cov ntsiab lus roj carbon qis (li no siv "l" hauv nws lub npe), uas muab nws kev tiv thaiv zoo dua rau kev xeb.

1.4529 German tus lej lej. Yog super duplex stainless hlau, lub ntsiab Cheebtsam: 20ni-6mo-6co-1cu-0.2n sib raug zoo rau Tebchaws Asmeskas: N08926, 254SMO ...

Flanges yog modules, uas yog siv nyob rau hauv koom nrog piping modules ntawm cov duab sib txawv thiab ntau thiab tsawg. Ib Flange feem ntau yog suav nrog cov chav kawm sib txawv, uas pab siv rau hauv kev siv thiab txheeb xyuas cov khoom sib txawv ntawm cov khoom lag luam. ISO thiab Ansi yog cov qauv tseem ceeb, uas tswj hwm kev lag luam.

Stainless hlau 321 \ / 321H cov yeeb nkab fittings yog siv hauv kev lim, tub yees, roj, petrochemical thiab hauv offshoden roj tho kev lag luam. Cov khoom siv chromium, npib tsib xee, titanium thiab lwm cov khoom raws nrog cov pa roj carbon. Lub 321h muaj ntau dua cov pa roj carbon monoxide dua li lwm cov versions. Nws muaj ntau hom fittings xws li cov 321 \ / 321h stainless hlau bollowd fittings uas feem ntau siv tab sis kuj muaj cov fittings. Lub stainless hlau uns s32100 yeeb nkab luj yog hom phim yog siv rau hauv cov ntawv thov kub kom hloov cov kev taw qhia ntawm kev ntws.

Ntxiv rau cov txiaj ntsig ib puag ncig no, stainless hlau kuj tseem yog kev txaus siab, yooj yim kom muaj kev tu siab, yooj yim ruaj khov thiab muaj ntau yam. Raws li qhov tshwm sim, stainless hlau tuaj yeem pom hauv ntau yam khoom txhua hnub. Nws kuj tseem yog lub luag haujlwm tseem ceeb hauv kev lag luam, suav nrog lub zog, kev thauj mus los, kev tshawb fawb, kev tshawb fawb, tshuaj, khoom siv, cov khoom siv.
304 Stainless hlau tau ua tau zoo heev rau ntau yam ntawm cov cheeb tsam cheeb tsam thiab ntau cov xov xwm corrosive. Nws yuav tau kev pitting thiab crevice corrosion nyob rau hauv sov chloride ib puag ncig, thiab kev nyuaj siab corrosion cracking saum toj saud txog 60 Ã Ã Ã Ã Ã Ã Ã Ã. Nws suav hais tias yog tiv taus rau pitting corrosion nyob rau hauv dej txog li 400 mg \ / l chloride ntawm huab cua kub, tsawg dua li ntawm 150 mg
Hmoov tsis zoo li S32100 thiab qib 32% rau 19% rau 1 xee, .70% titanium, nrog qhov sib npaug yog hlau. Nrog rau kev cuam tshuam rau corrosion tsis kam, 321 stainless hlau yog sib npaug rau qib 304 nyob rau hauv anealed mob thiab zoo dua yog tias daim ntawv thov cuam tshuam nrog 797¡Ã li 1652¡Ã f ntau. 321 Stainless hlau ua ke siab lub zog, tiv taus rau scring thiab theem kev ruaj khov nrog kev tiv thaiv a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a axoous.

Stainless hlau kuj yog ib puag ncig nruab nrab thiab inert, thiab nws lub siab ntev kom nws ua tau zoo ntawm kev siv. Tsis tas li ntawd, nws tsis tso cov tebchaw uas tuaj yeem hloov kho nws cov muaj pes tsawg leeg thaum sib cuag nrog dej.

Tsis suav txog N08367 tseem hu ua Alloy Al6XN yog cov carbon ntau, siab purity, nitrogen-batoy nrog zoo heev rau chloride pitting thiab compevice corrosion.

Algunas Indeporias Para La Tueria Soldadia SMO 254 Papoquimica, Equipos Y papelos, thiab lwm yam.
Carbon Steel Bars & Rods
Pom lsaw erw EFW
Luxembourgish
Lub raj seamless
Sus 304 Yeeb Nkab Forging
Nqe Rau Yeeb Hlau Stainless Hlau 304
Stainless Hlau Aastma490 Ib nrab Ib Nrab Bolt Fasteners Din931 Iso4014
Stainless hlau 316 Yeeb
Tsim cov qauv ASME B36.10 ASME B36.57

Muaj cov chav kawm 150 txog 2500 thiab nce mus txog PN64 hauv cov flanges no. Muaj ntau hom xws li ss unn un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un un uns undange, dig muag flanges, nplhaib hom kev sib tw flanges, tsa ntsej muag thiab tiaj ntsej muag flanges.

Featuring 304 Stainless Hlau Rau Heev Zoo Corrosion, Qhov kev pom zoo Weld Neck Flange tuaj yeem txuas nrog lub kaw lus weld ntawm lub caj dab. Welded thaj chaw tuaj yeem raug tshuaj xyuas yooj yim los ntawm radiography. Matched yeeb nkab thiab Flange Bore txo cov cua hlob thiab kev yaig hauv raj dej. Flange yog zoo heev rau siv nyob rau hauv koj daim ntawv thov tseem ceeb thiab yog qhov zoo rau siv nrog huab cua, dej, roj, nkev, thiab chav dej.

ASTM A269 TP369 Tp316 1.4401 Seamless yeeb nkab yog ib qho kev lag luam zoo ntawm cov khoom lag luam uas yog siv ntau yam kev lag luam vim nws qhov kev ua tau zoo, thiab ua kom sov. Qhov yeeb nkab seamless yog tsim los ntawm 316 qib stainless hlau, uas tau paub rau nws cov khoom zoo.
Carbon Steel Flanges
Pom lsaw erw EFW
Luxembourgish
Lub raj seamless
Sus 304 Yeeb Nkab Forging
Nqe Rau Yeeb Hlau Stainless Hlau 304
Qhov sib npaug Tees thiab txo cov Tees W310S S31008 Fittings
Stainless hlau 316 Yeeb
Tsim cov qauv ASME B36.10 ASME B36.57
Yuav Stainless Hlau 254 SMO Welded Kav Thiab SMO 254 Square Pipes Stockist
Zhengzhou Huitong Pipeline Equipment Co., Ltd.

304 \ / 304L Stainless Hlau yog ob qib steel. Qhov no cov hlau tsis sib xyaw ua ke lub zog siab ntawm 304 stainless hlau thiab corrosion tsis kam ntawm 304L stainless hlau. Cov khoom siv no yog siv tau hauv cov zaub mov thiab dej haus ua kev lag luam nrog rau hauv kev lag luam mis nyuj.

304 tseem muaj 8-10.5% npib tsib (NI). Nws yog ntxiv rau ua kom tus qauv austenite muaj qhov ruaj khov nyob hauv chav tsev kub. Nickel tseem txhim kho cov kub kub oxidation tiv thaiv, ua rau cov hlau tiv taus kev ntxhov siab corrosion tawg. Qhov twg cov hlau yuav tsum ncab tsim, ib feem pua ​​tsawg dua (8%) ntawm cov npib tsib xee. Feem ntau feem pua ​​hauv siab dua (9% lossis ntau dua) yog tias cov hlau yuav tsum tau kos.
Carbon Steel Bars & Rods
Pom lsaw erw EFW
Luxembourgish
Lub raj seamless
Sus 304 Yeeb Nkab Forging
Nqe Rau Yeeb Hlau Stainless Hlau 304
Stainless Hlau A403 W304 304L 316L Yeeb Nkab Fittings Yeeb Nkab Khoov
Stainless hlau 316 Yeeb
Tsim cov qauv ASME B36.10 ASME B36.57

Hom 304 stainless hlau yog ib t 300 series stainless hlau Austenitic. Nws muaj tsawg kawg 18% chromium thiab 8% npib tsib xee, ua ke nrog ntau tshaj plaws ntawm 0.08% carbon. Nws txhais tau tias yog cov chromium-npib tsib xee owenitic alloys tau siv rau ntau yam khoom siv khoom noj thiab cov khoom lag luam, cov tais diav, thiab tso manifolds. 304 Stainless hlau tseem siv nyob rau hauv cov kws ua vajtse teb rau sab nrauv li xws li dej thiab hluav taws. Nws tseem yog cov khoom siv chwv ib txwm muaj rau vaporizers.

Alloy Steel Flange, uas yog, cov khoom tseem ceeb yog alloy steel flange lossis kawg flange txuas. Nws muaj alcloy steel flanges, hu ua Alloy Steel Flanges. Alloy Steel Flanges, Alloy Flanges yog ua tib zoo tsim siv thev naus laus zis ntawm kev coj ua tiav ntawm cov kws tshaj lij hauv kev tsim khoom lag luam.
Carbon Steel Bars & Rods
Pom lsaw erw EFW
Luxembourgish
Lub raj seamless
Sus 304 Yeeb Nkab Forging
Nqe Rau Yeeb Hlau Stainless Hlau 304
Stainless Hlau Aastma490 Ib nrab Ib Nrab Bolt Fasteners Din931 Iso4014
Stainless hlau 316 Yeeb
Tsim cov qauv ASME B36.10 ASME B36.57

? Tus qauv hlau kav hlau steel yog tsim raws ASTM A312 tus qauv. Cov khoom muaj nyob hauv qib SS316 \ / 316L thiab ua rau tus qauv ntev ntawm 6 meters ntev. Dual qib SS316 \ / 316L Cov kav dej kav hlau hluav taws xob tau paub kom xa cov kev ua tau zoo tshwj xeeb thiab feem ntau tsim los ua lub rooj sib tham.

Cov kev siv hluav taws xob sib xyaw rau hom 316 Stainless hlau muaj xws li siv cov khoom siv hluav taws xob, cov tshuab hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv siv tshuaj lom neeg, tso tsheb hlau luam thiab evaporators thiab evaporators. Nws kuj yog siv rau hauv pulp, ntawv thiab cov khoom siv ua tiav thiab txhua yam khoom siv raug rau cov tub rog marine.

Tsim cov qauv ASME B36.10 ASME B36.48
Lub 316 cov yeeb nkab stainless hlau tau dhau los ua cov khoom siv tsis tau rau cov kev lag luam lag luam. Qhov no alloy ntawm hlau thiab chrome tau lees paub rau nws lub siab tiv taus corrosion, nrog rau nws cov kav ntev. 316 Stainless hlau Tubing tuaj yeem tsim nyob rau hauv ob leeg seamless thiab welded leeg kom tau raws li cov neeg siv khoom xav tau.

316L stainless hlau yog ib qho kev sib txuam ntawm kev ua haujlwm feem ntau hu ua "Marine qib stainless hlau" vim tias nws siv nyob rau hauv ze li 90% ntawm cov ntawv thov marine - suav nrog kev lim dej. Ntxiv rau cov hlau xws li hlau thiab npib tsib xee, 316L muaj 16-18% chromium thiab 2-3% molybdenum. Cov ntsiab no yog qhov tseem ceeb vim tias lawv txhim kho lub corrosion ntawm corrosion; Chromium sib cuam tshuam nrog oxygen nyob rau hauv dej hiav txwv los ua txheej tiv thaiv oxide, thaum molybdenum txhim kho cov hlau ua kom pitting corrosion. Ib qho ntxiv, 316L muaj cov ntsiab lus roj carbon qis (li no siv "l" hauv nws lub npe), uas muab nws kev tiv thaiv zoo dua rau kev xeb.

Stainless hlau yuav tsum muaj tsawg kawg 10.5 feem pua ​​chromium. Nyob ntawm cov qhab nia, nws yuav muaj ntau dua cov khoom siv chromium ntau dua li molybdenum, noy, tooj liab, nitrogen, phosphorous lossis selenium.

304 Stainless hlau muaj cov tshuaj oxidation zoo tsis kam siv txog li 870¡Ãc thiab kev siv txuas ntxiv mus txog 925¡Ãc. Txawm li cas los xij, yog tias xeb kev tawm tsam hauv dej yuav tsum muaj, kev siv tas mus li ntawm 425-860¡Ãc tsis pom zoo. Hauv qhov no, 304L raug pom zoo vim tias nws tsis kam rau cov nag los nag.

ASTM A312 TP316 yog tus qauv txheem rau kev sib khi, ncaj-leeg welded, thiab hnyav txias welded ustenitic kav hlau stainless hlau thiab kev corrosive service. Lub 316 seamless muaj steel yeeb nkab yog tsim los ntawm kev sib xyaw ntawm cov chromium, npib tsib, thiab molybdenum ua rau corrosion thiab xeb thiab xeb thiab xeb thiab xeb.
Carbon Steel Bars & Rods
Pom lsaw erw EFW
Luxembourgish
Lub raj seamless
Sus 304 Yeeb Nkab Forging
Nqe Rau Yeeb Hlau Stainless Hlau 304
Stainless Hlau Aastma490 Ib nrab Ib Nrab Bolt Fasteners Din931 Iso4014
Stainless hlau 316 Yeeb
Tsim cov qauv ASME B36.10 ASME B36.57

Cov qhab nia sib txawv ntawm cov hlau stainless kuj muaj cov nqi ntawm cov ntsiab sib txawv. Qeb 304 Stainless Hlau muaj txog 35% npib tsib xee thiab siv hauv cov ntawv thov xws li cov khoom siv, cov tshuaj nplaum, kav dej thiab kho vajtse. Qib 316 muaj molybdenum, ua rau nws zoo tagnrho rau cov khoom siv marine, tshuaj thiab cov khoom siv tshuaj, thiab cov khoom lag luam muag khoom lag luam.
Carbon Steel Flanges
Pom lsaw erw EFW
Luxembourgish
Lub raj seamless
Sus 304 Yeeb Nkab Forging
Nqe Rau Yeeb Hlau Stainless Hlau 304
Qhov sib npaug Tees thiab txo cov Tees W310S S31008 Fittings
Stainless hlau 316 Yeeb
Tsim cov qauv ASME B36.10 ASME B36.57
Yuav Stainless Hlau 254 SMO Welded Kav Thiab SMO 254 Square Pipes Stockist
Tubos de Acoz inoxidable Duplex 254SMO S31254