Inconel 625 Welded Yeeb Nkab|UNS N06625 Tus neeg muab khoom
Kev tsim khoom: Welded (ERW EFW SAW)
Qhov Loj: NPS 1/2 "-48" (common)
Teem sijhawm: 5S / 10S / 40S / 80S (ASME B36.19M)
Xaus: PE / BE (xov tooj raws li xaj)
Txais & docs: EN 10204 3.1 MTC; PMI/NDT/testing
Zhengzhou Huitong Pipeline Equipment Co., Ltd. yog ib qho ntawm cov ua lag luam thiab cov neeg muag khoom ntawm Inconel 625 Welded Pipeline|UNS N06625 Tus neeg muag khoom nyob rau hauv Suav teb. Peb zoo siab tos txais koj los yuav peb Inconel 625 Welded Pipe|UNS N06625 Tus neeg muab khoom. Peb lub Hoobkas kuj lees txais cov kev txiav txim customized. Thov pub dawb kom txaus siab rau peb cov nqi sib tw thiab kev pabcuam zoo heev.
Inconel 625 Welded Yeeb Nkab Nqe 2026|ASTM B705 UNS N06625 Tus neeg muag khoom
Inconel 625 welded yeeb nkab nqi yog li ntawm $ 35 txog $ 65 ib kilogram hauv 2026. Nrog zoo heev tiv thaiv chloride pitting, crevice corrosion, seawater nres, thiab kev nyuaj siab corrosion cracking, nws yog dav siv nyob rau hauv offshore platforms, tshuaj ua cov nroj tsuag, aerospace, thiab lub zog tsim.
Piv nrog rau cov hlau tsis muaj steel, Inconel 625 muab kev tiv thaiv ntau dua rau cov tshuaj chloride corrosion, pitting, thiab kev nyuaj siab corrosion cracking, ua rau nws yog ib qho kev xaiv rau qhov chaw hnyav uas yuav tsum tau ua haujlwm ntev.
Inconel 625 Welded Yeeb Nkab Nqe / Nqi 2026
| Yam khoom | Nqe Ntau |
| Me me txoj kab uas hla welded yeeb nkab | $50-$75/kg |
| Nruab nrab txoj kab uas hla welded yeeb nkab | $45-$65/kg |
| Loj txoj kab uas hla welded yeeb nkab | $42-$60/kg |
| Customized welded yeeb nkab spool | $55-$85/kg |
Nco tseg: Ntev ntev, kev kuaj tshwj xeeb uas tsis muaj kev puas tsuaj (NDT), thiab thib peb -kev tshuaj ntsuam xyuas (TPI) yuav cuam tshuam rau cov lus kawg.
| Sab nraud Diameter (OD) | Phab ntsa Thickness (Sch) | Nqe ib Meter (USD) | Nqe ib kilogram (USD) |
| 2 nti (60.3mm) | Teem caij 40S | $120 – $165 | $38 - $52 / kg |
| 4 nti (114.3mm) | Teem caij 40S | $340 – $450 | $40 - $55 / kg |
| 6 nti (168.3 hli) | Teem caij 80S | $850 – $1,100 | $45 - $60 / kg |
| 8 nti (219.1 hli) | Teem caij 80S | $1,450 – $1,850 | $48 - $65 / kg |
Inconel 625 Welded yeeb nkab yog dab tsi?
Inconel 625 welded yeeb nkab yog nickel -chromium- molybdenum alloy yeeb nkab tsim raws liASTM B705 / ASME SB705qauv. Cov khoom siv npe yogUNS N06625 (2.4856) TZS. Kev tiv thaiv zoo rau pitting, crevice corrosion, thiab kev ntxhov siab-corrosion tawg; Tshwj xeeb qaug zog lub zog thiab siab tensile zog mus txog 1000 degree. Alloy 625 welded yeeb nkab yog tsim los ntawm kev sib sau phaj lossis coil rau hauv cov duab cylindrical thiab koom nrog cov seam longitudinal los ntawm cov txheej txheem vuam.
Hom kev tsim khoom muaj xws li:
- EFW (Electric Fusion Vuam)
- GTAW/TIG welding
- GMAW/MIG welding
- SAW (Submerged Arc Vuam) rau kev siv txoj kab loj loj
Ntsiab Cai:
- Inconel 625 welded yeeb nkab muaj PREN ntawm ~51 - ntau dua ob npaug 316L (PREN 24) thiab 19% siab dua super duplex 2507 (PREN 42), ua rau nws xaiv qhov kev xaiv rau cov tshuaj chloride hnyav thiab qaub roj.
- Qhov tseem ceeb pitting kub siab tshaj 85℃(185℃F) ib ASTM G48 Txoj Kev C - tsis muaj pitting tshwm sim nyob rau hauv ambient seawater, thiab cov kev siv seawater txwv yog kwv yees li 85 deg C
- Cov hlau yog cov khoom muaj zog- kev daws teeb meem (tsis muaj hnub nyoog- hardenable), uas txhais tau tias tsis muaj PWHT yuav tsum tau thiab raws li -welded pob qij txha khaws kwv yees li 90% ntawm lub hauv paus hlau tensile zog
- NACE MR0175/ISO 15156 ua raws rau txhua qhov kev pabcuam qaub ntawm txhua qhov H2S ib nrab siab thiab qhov kub thiab txias - ib qho ntawm ob peb cov ntaub ntawv uas tsis txwv cov kev pabcuam qaub
- Welded yeeb nkab (ASTM B705) raug nqi $42-58/kg hauv 2025, kwv yees li 25-35% tsawg dua seamless yeeb nkab (ASTM B444) ntawm $58-84/kg
Tshuaj muaj pes tsawg leeg
| Element | Content, wt. % |
| Nickel (Ni) | >= 58.0 |
| Chromium (Cr) | 20.0-23.0 |
| Molybdenum (hli) | 8.0-10.0 |
| Niobium + Tantalum (Nb + Ta) | 3.15-4.15 |
| Hlau (Fe) | <= 5.00 |
| Cov pa roj carbon (C) | <= 0.10 |
| Manganese (Mn) | <= 0.50 |
| Silicon (Si) | <= 0.50 |
| Phosphorus (P) | <= 0.015 |
| Sulfur (S) | <= 0.015 |
| Aluminium (Al) | <= 0.40 |
| Titanium (Ti) | <= 0.40 |
| Cobalt (zeeg) | <= 1.00 |
Chromium (Cr) → oxidation thiab corrosion kuj
Molybdenum (Mo) → tsis kam rau pitting thiab crevice corrosion
Niobium (Nb) → ntxiv dag zog los ntawm cov tshuaj daws teeb meem
Nickel (Ni) → zoo heev tiv thaiv cov tshuaj chloride thiab txo qhov chaw
Mechanical Properties
| Khoom | Annealed (Qib 1) | Tshuaj Annealed (Qib 2) | Test Standard |
| Yield zog, MPa (ksi) | >= 414 (60) | >= 276 (40) | Daim ntawv pov thawj: ASTM E8 / ISO 6892 |
| Tensile zog, MPa (ksi) | >= 827 (120) | >= 690 (100) | Daim ntawv pov thawj: ASTM E8 / ISO 6892 |
| Elongation nyob rau hauv 50 mm,% | >= 30 | >= 30 | Daim ntawv pov thawj: ASTM E8 / ISO 6892 |
| Hardness, HRB | <= 100 | <= 100 | ASTM E18 |
Lub cev muaj zog
| Khoom | Tus nqi | Chav tsev |
| Qhov ntom | 8.44 | g/cm3 (0.305 lb/in3) |
| Melting Range | 1290-1350 | ° C (2350-2460 ° F) |
| Thermal conductivity ntawm 20 ° C | 9.8 | W/m-K |
| Hluav taws xob tiv taus ntawm 20 ° C | 128 | microohm -cm |
| Cov. Thermal Expansion (20-100C) | 12.8 | 10^-6/° C |
| Cov cua kub tshwj xeeb ntawm 20 ° C | 410 | J/kg-K |
Corrosion Resistance
Inconel 625 welded yeeb nkab resists pitting, crevice corrosion, intergranular corrosion, thiab kev nyuaj siab corrosion tawg nyob rau hauv ib tug ntau yam ntawm aggression ib puag ncig. Txawm li cas los xij, Hauv 625 yog ib qho ntawm cov hlau tsis muaj zog rau kev sib tsoo thiab tuaj yeem siv los txo thiab oxidizing acids.
| Alloy | 40% HLO | 10% HCl | 10% H2SO4 | 55% H3PO4 | 85% H3PO4 | 10% HNO3 | 50% H2SO4 + 2.5 % Fe2(SO4)3 |
| SIB 304 | 180mp ua | Tshaj 12,000 | 2200 mpy ib | 400mp ua | 9 500mp | 1mp ua | 46mp ua |
| SIB 316 | 30mp ua | Tshaj 12,000 mpy | 400mp ua | 18mp ua | 450mp ua | 1mp ua | 36mp ua |
| SIB 317 | – | 9 000 mpy | 360mp ua | – | – | 0.5mp ua | 28mp ua |
| Nws 200 | 10mp ua | 8 000 mpy | 130mp ua | 500mp ua | – | Tshaj 12,000 mpy | 8,000 mpy ib |
| Hauv 600 | 10mp ua | 4 400mp | 360mp ua | – | 1800 mpy ib | – | – |
| lus 825 | 8mp ua | 1000 mpy ib | 18mp ua | 6mp ua | 35mp ua | 0.6mp ua | 11mp ua |
| Hauv 625 | 7mp ua | 620mp ua | 44mp ua | 10mp ua | 110mp ua | 1mp ua | 23mp ua |
| Hastelloy C276 | 3mp ua | 220mp ua | 16mp ua | 7mp ua | 18mp ua | 18mp ua | 260mp ua |
| Hastelloy B2 | 0.4mp ua | 7mp ua | 2mp ua | 3.5mp ua | 3.5mp ua | Tshaj 12,000 mpy | – |
PREN Tus nqi
| Khoom siv | PREN Tus nqi | Chloride Resistance | Daim ntawv thov |
| 304 Stainless hlau | ~18 | Tsawg | Cov dej tshiab, ua zaub mov |
| 316L Stainless hlau | ~25 | Nruab nrab | Tshuaj, khoom siv marine |
| TIAB SA 2205 | ~35 | Zoo | Offshore piping |
| Super Duplex 2507 | ~42 | Zoo heev | Seawater systems |
| 254 SIB | ~43 | Zoo heev | Seawater tshav kub exchangers |
| Ib 625 | ~45–55* | Superior | Ib puag ncig chloride heev |
PREN xam rau 625, siv nruab nrab -ntau qhov sib xyaw qhov tseem ceeb, yields: PREN=%Cr + 3.3 x %Mo + 16 x %N=21.5 + 3.3(9.0) + 0=51.2. A PREN saum toj no 32 feem ntau xav tau rau seawater pitting kuj. Tshaj 40, lub alloy tuav dej hiav txwv nrog deposits los yog crevices. Tshaj 50, cov hlau nplaum ze ze ntawm - kev tiv thaiv hauv dej hiav txwv ambient.
Cov ntsiab lus npib tsib xee saum toj no 58% tshem tawm cov tshuaj chloride stress corrosion cracking (SCC) - hom tsis ua hauj lwm uas plagues austenitic stainless hlau nyob rau hauv sov chloride ib puag ncig. Hauv 42% kev sim MgCl2 (ASTM G36), 625 qhia tias tsis muaj qhov tawg ntawm 1000 teev, thaum 316L tawg hauv 24 teev.
| Ib puag ncig | Kub txwv | Kev ntsuas | Sau ntawv |
| Dej hiav txwv ntws | Txog li 85 ° C | Zoo heev | Tsis muaj pitting, tsis muaj impingement ntawm 45.7 m / s |
| Dej hiav txwv | Txog li 50 ° C | Zoo | Crevice corrosion txaus ntshai tshaj 50 deg C |
| 10% H2SO4, boiling | ~ 100 ° C | Ncaj ncees | 0.23mm / xyoo corrosion tus nqi |
| 10% HCl, 25 ° C | 25 deg C | Zoo | 0.05-0.15 hli / xyoo |
| Cov kua qaub (H2S), NACE MR0175 | Unlimited | Ua raws | Txhua yam kev mob, tsis muaj kev txwv |
| 50% NaOH, boiling | ~ 140 ° C | Zoo heev | 0.0125mm / xyoo |
| 65% HNO3, kub | ~ 120 ° C | Zoo | <= 0.75 mm/year |
Kub kub
| Qhov kub thiab txias | Kev ua tau zoo |
| < 600°C | Zoo heev ntev - kev pabcuam sijhawm |
| 600-800 degree | Kev ruaj ntseg zoo |
| 800-980 degree | Ua tau rau kev siv oxidation |
| >980 degree | Feem ntau xav tau lwm cov alloys |
Inconel 625 tuav lub zog zoo txhua yam thiab oxidation tsis kam ntawm qhov kub siab.
Common Inconel 625 Welded Pipe Dimensions
| Nominal Pipe Loj (NPS) | Sab nraud txoj kab uas hla | Hom Phab Ntsa Thickness | Cov Txheej Txheem |
| 1/2" | 21.3mm 3 | 1.65–3.73 hli | SCH 5S–40S |
| 1" | 33.4mm ib | 1.65–6.35 hli | SCH 5S–80 S |
| 2" | 60.3mm ib | 2.77–11.07 hli | SCH 10S – 160 |
| 3" | 88.9mm ib | 3.05-15.24 hli | SCH 10S-XXS |
| 4" | 114.3mm 3 | 3.05–17.12 hli | SCH 10S-XXS |
| 6" | 168.3mm 3 | 3.40–21.95 hli | SCH 10S-XXS |
| 8" | 219.1mm 3 | 3.76–22.23 hli | SCH 10S-XXS |
| 10" | 273.0mm ib | 4.19–25.40 hli | SCH 10S-XXS |
| 12" | 323.9mm ib | 4.57–25.40 hli | SCH 10S-XXS |
| 16"–48" | 406–1219 mm | Customized | EFW / Fabricated |
Weldability thiab Fabrication
Vuam
Inconel 625 welded yeeb nkab yog ib qho ntawm feem ntau weldable npib tsib xee-raws li alloys. Cov khoom siv- kev daws teeb meem ntxiv zog txhais tau tias tsis muaj ua ntej-weld lossis post-weld kev kho cua sov.
Vuam txheej txheem thiab tsis muaj:
| Txheej txheem | Filler | Tam sim no | Qhov hluav taws xob | Kub Input | Interpass Max |
| GTAW (TIG) | ERNiCrMo-3, 1.6-3.2 hli | 80-220A (DCEN) | 12-18V | 0.5-1.5 kJ / hli | 150 ° C |
| GMAW (MIG, pulsed) | ERNiCrMo-3, 1.2 hli | 150-260A (DCEP) | 24-30V | 1.0-1.8 kJ / hli | 150 ° C |
| SMAW (Stick) | ENiCrMo-3, 2.5-4.0mm | 95-240A (DCEP) | 15-22V | 1.0-1.8 kJ / hli | 150 ° C |
Pom zoo muab tub lim hlau:ERNiCrMo-3 (AWS A5.14) for GTAW/GMAW. ENiCrMo-3 (AWS A5.11) for SMAW. Tsis txhob hloov stainless hlau muab tub lim (ER316L) - lub vuam tso nyiaj yuav plam qhov kev tiv thaiv corrosion uas tau lees paub qhov tseeb ntawm 625.
Tiv thaiv Gas:100% argon rau GTAW. Argon-helium blends (txog 25% Nws) rau cov seem tuab. Tsis txhob siv CO2-muaj roj - carbon pickup txo corrosion kuj thiab ua rau intergranular nres. Rov qab tshem tawm cov hauv paus hniav nrog argon kom txog thaum lub vuam tau txias hauv qab 250 ° C los tiv thaiv oxidation sab hauv ("qab zib"), uas tsim cov chaw pib tawg nyob rau hauv cyclic loading.
Kev npaj ua ke: Siv lub kaum sab xis dav dua (70-80 deg) dua li cov pa roj carbon steel, nrog lub hauv paus loj me ntsis.
Kev huv huv tsis yog - sib tham.Taug qab sulfur, phosphorus, lead, lossis zinc - txawm tias los ntawm cov ntiv tes, cim cwj mem, lossis txiav cov kua dej - ua rau cov kua nplaum sib xyaw ua kom tawg thaum lub sijhawm khov (kub tawg). Tsis txhob siv cov cuab yeej siv yav dhau los ntawm cov hlau carbon steel.
Tsis yog -Kev Ntsuas Kev Puas Tsuaj (NDT)
| Kuaj | Lub hom phiaj |
| RT (Kev kuaj hluav taws xob) | Txheeb xyuas qhov tsis xws luag hauv qhov vuam |
| UT (Ultrasonic Testing) | Nthuav cov kab nrib pleb thiab tsis muaj fusion |
| PT (Kev Ntsuas Ua Kua Dej) | Nto crack detection |
| Hydro Test | Siab ncaj ncees |
Kev Paub Txog Engineering tiag tiag thiab teeb meem
Case: Seawater Heat Exchanger Failure Analysis
Cov chaw cog qoob loo ntawm ntug dej hiav txwv tau ntsib kev nyuaj siab ntxov ntxov chloride-corrosion cracking (CSCC) ntawm austenitic stainless hlau 316L cua kub exchanger piping hauv 14 lub hlis. Lub hauv paus ua rau yog stagnant brackish dej ua ke nrog thaj chaw siab ntawm daim tawv nqaij. Hloov cov kab ua tsis tiav nrog ASTM B705 Inconel 625 welded yeeb nkab tshem tawm cov tshuaj chloride pitting thiab txuas ntxiv lub voj voog txij nkawm tshaj 10 xyoo, offsetting ntau dua cov khoom pib peev.
"Puas welded Inconel 625 yeeb nkab hloov seamless yeeb nkab nyob rau hauv offshore kev pab cuam?"
Yog, nyob rau hauv ntau daim ntawv thov offshore.
- Txawm li cas los xij, kev yuav khoom yuav tsum xav tau:
- ASTM B619 ua raws
- Tsim nyog welding txheej txheem
- 100% radiographic kuaj
- Kev kuaj xyuas PMI
- EN 10204 3.1 daim ntawv pov thawj
Rau qhov tseem ceeb siab- muaj cov seem, seamless tseem yuav nyiam.
"Puas weld seam corrode sai dua lub hauv paus hlau?"
Inconel 625 welded yeeb nkab yuav tsum muaj kev tiv thaiv corrosion zoo sib xws.
Cov kev pheej hmoo tseem ceeb yog:
- Tsis raug muab tub lim hlau
- Tshaj tawm cua sov
- Kev tiv thaiv tsis zoo
Dab tsi yog qhov txawv ntawm Inconel 625 seamless thiab welded kav?
Seamless yeeb nkab yog extruded rau siab dua ntim, hos welded kav (tsim los ntawm phaj thiab TIG / PAW welded) muab nqi efficiency thiab muaj ntau dua nyob rau hauv loj diameters. Kev tshaj tawm zoo-weld heat treatment (PWHT) thiab tsis yog-kev kuaj kev puas tsuaj (NDT) kom ntseeg tau tias kev sib koom ua ke sib txuam nrog cov hlau hauv qab.
Inconel 625 welded yeeb nkab yog dab tsi?
Inconel 625 tuav lub zog siab thiab oxidation tsis kam mus txog 980℃(1800℃F), ua rau nws zoo tagnrho rau siab -kub tso pa thiab tshuaj ua haujlwm.
"Kuv yuav ua li cas txheeb xyuas qhov zoo ntawm qhov vuam thiab corrosion tsis kam ntawm Inconel 625 welded kav rau kev siv cov pa roj marine?"
Cov neeg yuav khoom yuav tsum tau thov cov ntawv pov thawj nruj xws li kev kuaj hluav taws xob (RT), kuaj ultrasonic (UT), thiab kev ntsuas kev sib xyaw ua ke (xws li ASTM G28 A / B) kom paub meej tias pitting thiab crevice corrosion kuj nyob rau hauv marine ib puag ncig.
Cov kws ua haujlwm feem ntau yws txog lub sijhawm ua haujlwm ntev rau kev cai - qhov loj ntawm cov nickel alloy welded kav thiab cov hlua vuam tsis sib haum uas ua rau tsis ua haujlwm ntxov hauv cov roj qaub (H 2 S) kev pabcuam.
Kev muag khoom los ntawm cov tuam txhab pov thawj uas siv cov khoom siv hluav taws xob zoo tshaj plaws TIG vuam thiab 100% kev tshuaj ntsuam xyuas hluav taws xob tshem tawm cov kev pheej hmoo ntawm cov vuam tsis xws luag thiab slashes xa cov sij hawm xa mus rau qhov kev kaw sai.
FAQ:
Q: Tus nqi nruab nrab ntawm ib kg rau Inconel 625 welded yeeb nkab xyoo 2026 yog dab tsi?
A: Tus nqi feem ntau yog nyob nruab nrab ntawm $ 35 thiab $ 65 toj ib kg, nyob ntawm phab ntsa thickness, kev txiav txim ntim, thiab cov khoom raw khoom hloov pauv.
Q: Thaum twg koj yuav tsum siv Inconel 625 hloov Inconel 825?
A: Siv Inconel 625 thaum ua haujlwm hauv qhov kub siab dua (siab dua 550 degree), oxidizing acid ib puag ncig, lossis cov xwm txheej hauv hiav txwv hnyav uas xav tau lub zog zoo tshaj plaws thiab qhov ntsuas PREN saum toj 43.
Q: Vim li cas welded nickel alloy kav yuav tsum tau tov annealing?
A: Kev daws annealing relieves residual stresses los ntawm vuam thiab homogenizes microstructures nyob rau hauv weld cheeb tsam, kho kom zoo corrosion kuj thiab mechanical ductility.
Q: Puas tuaj yeem Inconel 625 welded kav tuav cov concentrated hydrochloric acid?
A: Yog, Inconel 625 nthuav tawm tshwj xeeb tsis kam rau hydrochloric acid hla ntau qhov ntau thiab qhov kub thiab txias, muab cov tshuaj oxidizing muaj nyob rau hauv qhov chaw.
Q: Qhov txawv ntawm ASTM B705 thiab ASTM B706 yog dab tsi?
A: ASTM B705 npog npib tsib xee- hlau-chromium- molybdenum- tooj liab thiab npib tsib xee-chromium-molybdenum alloy welded yeeb nkab, whereas ASTM B706 tshwj xeeb tswj kav seamless yeeb nkab thiab raj configuration.
Hais txog Zhengzhou Huitong Pipeline Equipment Co., LTD.
HT PIPE yog ib tug zoo-paub stockist thiab exporter. Peb yog cov khoom lag luam stainless / carbon / npib tsib xee alloy khoom nrog 15+ kev xa tawm. Peb tsis tsuas yog muab cov kav dej, phaj, puag ncig, tab sis kuj yog cov yeeb nkab fittings, flanges, thiab lwm yam. Hu rau peb kom paub ntau ntxiv thiab cov nqi dawb.
✅ ISO 9001: 2015
✅ MTC 10204 3.1 3.2
✅ 100% PMI (Positive Material Identification)
✅ Ultrasonic Testing (Rau ASME VIII)
✅ Thib peb-Kev Tshawb Fawb (SGS/BV/DNV/LR)
✅ NACE MR0175 / ISO 15156
Author: Chloe Pu
5+ Xyoo ntawm Kev Tshaj Lij Tshaj Lij Tshaj Tawm hauv Stainless Hlau, Nickel Alloy & Carbon Steel Hlau Kev Lag Luam
Hloov tshiab kawg: Lub Yim Hli 12, 2026 (Beijing Sijhawm)
Cim npe nrov: Inconel 625 Welded Yeeb Nkab|UNS N06625 Tus neeg muag khoom, Tuam Tshoj, tuam ntxhab, Hoobkas, nqe, customized
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