Carbon Steel Flanges

Lub raj hlau stainless 316 Welded Tube yog ib qho ntawm cov leeg siv feem ntau thoob plaws ntiaj teb. Nws yog siv rau ntau cov ntawv thov hla dej hiav txwv ua cov nroj tsuag, kev hloov pauv kub, ua zaub mov sov, ua zaub mov ua khoom noj thiab ntau ntxiv. Lub Ss 316 raj yog qhov zoo tagnrho rau kev siv hauv dej hiav txwv thaum lawv tiv taus chloride kev ntxhov siab tawg. Qhov no txhais tau tias tus DIN 1.4401 raj tuaj yeem nyob hauv ib puag ncig uas nplua nuj nyob hauv chlorides.

Stainless hlau tubing yog peb qhov tshwj xeeb ntawm cov khoom lag luam tubular tubular Peb cov kev ornamental tubing muaj nyob rau ntau qhov ntau thiab tsawg thiab tuaj yeem txiav thiab polished rau koj cov kev qhia tshwj xeeb.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Alloys 800H thiab 800HT yog hlau-npib-chromium cov tshuaj muaj zog ntawm 42% hlau muaj pes tsawg leeg nrog cov ntses nominal muaj zog ntawm 42% tus ntses muaj hnub nyoog, thiab 22% chromium.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Raws li cov npe npib feem ntau-chricium alloys, Incoloy 800 muaj cov khoom siv tshuab ua tau zoo tshaj plaws thiab cov hlau corrosion ntau ntau cov hlau. Incoloy 800 Tube Manufacturers ua cov khoom sib xyaw ua ke raws li Astm B163.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Stainless hlau 304 yeeb nkab yog xim hlau hlau ua los ntawm Austenitic Stainless hlau uas muaj 18% chromium thiab 8% npib tsib xee nyob rau hauv cov pes tsawg. Cov. Cov kev qhia tshwj xeeb rau cov kav dej ntau li A312 thiab A358 nyob rau hauv AstM specifications. Qhov ntev ntau raws li cov ATTM, ASME thiab API cov qauv. Muaj muaj Welded thiab SS 304 yeeb nkab raws li hluav taws xob fusion vipes
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Siv lub raj welded feem ntau yog ib qho kev xaiv tau zoo ntxiv rau kev siv hauv cov kev siv siab tsawg, ornamental, thiab cov ntawv thov txheej txheem. Qee qhov ntau welded ntau tuaj yeem ua ntej rau 180 grit (zoo ib yam li # 4), tab sis peb tuaj yeem muaj txhua lub tubing kev cai polished ib qho koj cov kev qhia tshwj xeeb. Tus raj seamless yuav tsum siv nyob rau hauv cov ntawv thov siab.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Feem ntau ntau thiab tsawg ntawm seamless stainless hlau thiab lub plab zom mov tuaj yeem txiav kom ntau thiab tsawg. Cov qauv tsis muaj tsawg tuaj yeem tsim los xaj.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Stainless hlau 201 belongs rau ib qib Austenicic ntawm cov hlau. Lub CONSIC stainless hlau yeeb nkab yog tsim nrog kev muaj zog zoo tshaj ntawm chromium, hlau, manganese, npib tsib xee, nqaij npuas, nitrogen, thiab carbon. Qhov no muab cov tsis yog-sib nqus cov qib zoo tshaj kom xeb thoob plaws kev ntxhov siab. 201 SS cov yeeb nkab muaj qhov ntom ntom ntawm 7.86 g \ / CM3 thiab ua haujlwm tau zoo nyob rau hauv qis thiab kub teeb.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

SAE 310 Stainless hlau yog ib tug heev alloyed Austenitic stainless hlau siv rau cov ntawv thov kub siab. Lub siab chromium thiab npib tsib xee cov ntsiab lus muab cov hlau ua kom zoo heev oxidation tiv taus raws li lub zog siab ntawm qhov kub siab. Qeb no kuj tseem du ntau ntxiv, thiab muaj qhov zoo weldability ua rau txoj kev siv thoob plaws hauv ntau daim ntawv thov
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Lub zog ntau dua thiab corrosion tsis kam yuav tsum siv seamless stainless hlau thiab npib tsib roj av, petrochemical, tshuaj lom neeg, thiab pulp thiab cov ntawv lag luam.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Lub 316 cov raj kav hlau tsis muaj roj Lub raj muaj peev xwm tawm tsam thiab kua muag, thiab lawv muaj lub zog siab thiab ua kom zoo dua rau kev xeb, thaum piv rau 304 ss tub
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Stainless hlau yog ib qho ntau yam khoom siv hlau thiab ib feem tsawg feem pua ​​ntawm chromium ntxiv rau cov khoom lag luam tsis muaj ntxiv, ib tus cwj pwm uas tau txais stainless hlau nws lub npe
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Cov yeeb nkab stainless hlau muaj ntau qhov zoo tshaj plaws suav nrog corrosion tsis kam, siab lub zog, kav ntev, thiab machinability. Tsoomfwv Steel Stocks Stainless hlau piping hauv cov diameters (OD) ntawm? Ã ¨c 48¡ ±. Hauv peb cov kab stainless hlau, peb cov yeeb nkab seamless thiab welded yeeb nkab muaj nyob hauv phab ntsa thickness txog 1.500¡ ±.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Stainless hlau yog ib qho ntawm cov khoom nrov tshaj plaws thiab ntau yam. Cov yeeb nkab stainless hlau siv tau siv hauv cov ntawv thov uas muaj lub zog kub siab thiab zoo dua corrosion yog qhov tseem ceeb.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

SS 304 tubing yog ib tug stainless hlau raj ua rau cov ntawv thov sib txawv. Muaj cov qhab nia sib txawv hauv cov hlab me .Qhov hlau stainless 304 raj yog ib qho ntawm feem ntau siv siv vim tias tus nqi qis
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Welded tubing yog tsim los ntawm dov ib daim hlab ntawm stainless hlau rau hauv lub raj thiab ces vuam raws qhov ntev. Tom qab vuam, Weld Seam, lossis hlaws, tuaj yeem ua kom zoo nkauj los ntawm kev ua kom txias thiab kev zam sab lossis sab laug li yog.

Hom 316 stainless hlau tubing yog zoo li 304, tab sis nrog ntxiv ntawm molybdenum, uas txhim kho cov alloys corrosion tsis kam. Tus qauv Austenitic tso cai rau kev ua tau zoo heev, txawm tias poob qis kawg nkaus. Cov kawm qib no muaj kev tiv thaiv weldability zoo tshaj plaws, nrog lossis tsis muaj ntxiv ntawm cov muab tub lim hlau.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Stainless hlau yog ib qho ntawm cov khoom nrov tshaj plaws thiab ntau yam. Cov yeeb nkab stainless hlau siv tau siv hauv cov ntawv thov uas muaj lub zog kub siab thiab zoo dua corrosion yog qhov tseem ceeb. Ntxiv mus, stainless hlau yooj yim los ntxuav thiab tsis¡nish.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Stainless hlau huv lub raj yog polished rau sab nraud thiab sab hauv mus rau cov qauv zoo tshaj plaws. Peb 20 qhov ntev ntawm polished od \ / tus id raj-/ id raj tau ua tau raws li ASTM A270 thiab 3A txoj kev ua kom huv. Lub raj mis qhuav, cov laj kab huv, lub tsev kho kom qhuav thiab lwm yam khoom siv rau kev lag luam thiab dej haus thiab biotechnology thiab biotechnology kev lag luam. Peb cov khoom lag luam raug tsim los txo cov chaw seem uas cov kab mob tuaj yeem tsim thiab khoom. Clamp-style huv huv lub fittings, yog tsim kom tawg, ntxuav thiab rov ua kom zoo dua rau cov khoom lag luam zoo tshaj plaws.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Stainless hlau alloys muaj ntau dua cryogenic touin, muaj zog ua haujlwm hnyav, nce zog thiab hardness, quality ntau dua

316L yog cov roj carbon ntau tsawg ntawm 316. Alloy 316L feem ntau siv thaum vuam yuav tsum muaj los xyuas kom meej corrosion siab tshaj plaws. Raws li 316L muaj cov ntsiab lus roj carbon qis nws ua rau tsawg carbide nag lossis daus uas yog qhov tshwm sim vuam. Peb cov khoom muaj npe muaj npe rau cov khoom zoo heev thiab ua tiav uas lawv muaj ntawm kev muab. Ntxiv mus, peb cov khoom paub tau muab cov nqi zog tshaj plaws txawm tias kev siv kev ua phem, raws li peb muab peb cov khoom los ntawm kev ntsuas ntau yam kev tswj hwm zoo.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Cov yeeb nkab steel, cov raj hlau, cov yeeb nkab steel, yeeb nkab yas, yeeb nkab yas, yeeb nkab Welded - Zhengzhou Huitong Pipeline Equipment Co., Ltd.

Qeb 309 stainless hlau muaj siab corrosion tsis kam thiab lub zog piv rau 304 stainless hlau.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Nickel 201 kav yog cov Austenitic Nickel-Chromium-Maganese stainless hlau uas tau tsim los ua kom txuag tau npib tsib xee. 201 ntxiab hlau seamless kav yog siv nyob rau hauv ntau hom kev lag luam xws li petrochemicals, Kev Lag Luam Kev Lag Luam, Kev Lag Luam Yooj Yim.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Nickel 200 Seamless Tube yog cov kev daws teeb meem txuag zog, kev lag luam wring wrought alloy. Ib qho ntawm cov qib kev pom zoo ntxiv, lub dav hlau alloy muaj cov khoom siv hluav taws xob zoo xws li lub zog siab tshaj plaws uas muaj zog, kev ua kom zoo thiab kev sib txuas.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Chromium oxide yog tsim thaum chromium thiab steel hnov, uas muab cov khoom tiv thaiv corrosion tiv thaiv cov hlau tsis muaj hlau. Qhov no yog ib qho ntawm cov laj thawj stainless hlau yog qhov zoo rau cov khoom huv thiab lwm yam khoom huv, vim tias nws tsis corrode.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Stainless cov hlau yog cov high-alloy steels uas muaj ntau dua corrosion tsis kam piv rau lwm cov hlau vim muaj cov roj chromium ntau. Raws li lawv cov qauv crystalline, lawv tau muab faib ntxiv rau hauv Ferritic, Austenitic, thiab Martensitic cov hlaus.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Anustenitic Stainless hlau Alloy 316 \ / 316L yog ib tug Molybdenum qib. Cov ntsiab lus npib tsib xee thiab molybdenum cov ntsiab lus nyob rau hauv cov kav dej muaj zoo dua tag nrho cov khoom tiv thaiv corrosion corrosion tiv thaiv piv rau 304 qib ss. Qhov tsis kam yog tshwj xeeb tshwj xeeb txog pitting thiab crevice corrosion hauv chloride ib puag ncig. Ntxiv mus, 316 \ / 316L stainless hlau ib leeg thiab kav cov tensile kub kub, nkag mus, thiab kev ntxhov siab. Muaj peev xwm thiab weldability kuj yog tau zoo heev. Tsis zoo li Qib 316, 316L kav tau tiv thaiv los ntawm cov ntsiab lus, vim muaj cov ntsiab lus roj carbon monoxide. Yog li, nws yog feem ntau siv hauv kev ntsuas hnyav welded Cheebtsam.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Alloy Hlau Daim Hlau & Cov Ntawv Qhia & Coils

Ci annealed (BA) yog tsim los ntawm kev kho cua sov (analing) hlau nrog ib qho kev tswj hluav taws cua sov. Tom qab kev kho cua sov, cov hlau muaj cov kev cuam tshuam, daim iav zoo li tsos, tab sis kuj tseem tuaj yeem muaj qee qhov tsis zoo tag nrho thiab cov huab. Ba stainless hlau tuaj yeem ua rau muaj kev sib tw ua tiav ntau dua, thiab feem ntau tau teev rau cov kev siv uas muaj kev cuam tshuam loj heev yog qhov xav tau.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20

Vim tias Stainless hlau kuj tseem me-saib xyuas, oxidation resistant, nws yog nquag siv nyob rau hauv ib qho kev thov loj, tshwj xeeb yog nyob rau hauv cov piping, tubing, thiab fittings kev tsim.
Seamless SS304 Tube
Nplooj 4 4 ntawm 52
Welded Tube
jcopipe.com
Hlau Ntsiav
thinest seamless hlab ss316l
Stainless Hlau Daim Hlau & Cov Ntawv Qhia & Coils
Hlau tuav & RDS
Huv Si Seamless Stainless Hlau Tube
Steel Yeeb Nkab & Tube-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Tsim cov qauv ASME B36.10 ASME B36.20