Xi'an Dongmeng Group Co., Ltd. yog ib qho ntawm feem txhim khu kev qha manufacturers thiab lwm tus neeg ntawm aisi 347h / uns s34709 stainless hlau nyob rau hauv Tuam Tshoj, kuj txhawb customized pab. Nrog kev paub ntau, peb sov siab txais tos koj rau cov lag luam wholesale pheej yig cov khoom hauv Tshuag ntawm no thiab tau txais cov qauv dawb los ntawm peb lub hoobkas. Rau nqe kev sab laj, tiv tauj peb.
AISI 347H stainless hlau (UNS S34709) yog aniobium-stabilized austenitic stainless hlautsim rausiab - kub thiab siab - ib puag ncig kev nyuaj siab. Nws muab kev tiv thaiv zoo heev rauintergranular corrosion, creep deformation, thiab kev ntxhov siab tawg ntawm qhov kub siab mus txog 850-900 degree.
Nws yog dav siv nyob rau hauvboilers, tshav kub exchangers, petrochemical khoom, pa system, thiab siab hlab ntsha, qhov twg ntev -lub sij hawm thermal stability yog qhov tseem ceeb.
Raws li tus kws tshaj lij stainless hlau tsum, peb muab347H nplooj ntawv, daim hlau, coils, kav, raj, thiab kev pabcuam kev tsim khoomrau kev siv thoob ntiaj teb kev lag luam.
01
Siab Zoo
02
Khoom siv Advanced
03
Pab neeg tshaj lij
04
Kev Pabcuam Kev Cai
AISI 347H yog dab tsi?
AISI 347H yog tussiab - carbon version ntawm 347 stainless hlau (UNS S34709).
Nws yog stabilized nrogniobium (Nb), uas tiv thaiv chromium carbide nag lossis daus thiab txhim kho kev tiv thaivintergranular corrosion tom qab vuam.
Ntsiab lus txhais:
347H=Siab carbon + stabilized stainless hlau
UNS S34709=cov ntaub ntawv thoob ntiaj teb
EN 1.4980=European sib npaug
👉 Tsim los rauntev -lub sij hawm siab- qhov kev pabcuam kub siab tshaj 550 degree
Chemical Composition (Tswj)
| Element | % |
|---|---|
| C | 0.04 – 0.10 |
| Mn | Tsawg dua los yog sib npaug rau 2.0 |
| Si | Tsawg dua los yog sib npaug rau 1.0 |
| P | Tsawg dua lossis sib npaug li 0.045 |
| S | Tsawg dua los yog sib npaug li 0.03 |
| Cr | 17.0 – 19.0 |
| Ni | 9.0 – 13.0 |
| Nb + Ta | Ntau dua lossis sib npaug li 10 × C (~ 0.5%) |
| Fe | Tshuav |
Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Tensile zog | Ntau dua lossis sib npaug li 515 MPa |
| Yield zog (0.2% offset) | Ntau dua lossis sib npaug li 205 MPa |
| Elongation | Ntau dua lossis sib npaug li 40% |
| Hardness | Tsawg dua lossis sib npaug li 95 HRB |
| Qhov Kev Pab Cuam Siab Tshaj Plaws | ~ 900 degree |
Specifications (Metric & Imperial)
Daim Ntawv / Phaj / Coils
| Thickness | Dav | Ntev |
|---|---|---|
| 0.3-80 hli | 1000/1219/1500/2000 hli | 2000-6000 hli |
| 0.012-3.15 hli | 40-78 hli | 78–236 : kuv |
Tube & Tubes
| Sab nraud txoj kab uas hla | Phab ntsa Thickness | Ntev |
|---|---|---|
| 6-630 hli | 0.5-40 hli | 1–12 m |
| 0.24-24.8 hli | 0.02-1.57 hli | 3-40 ft |
Bars / Rods
| Txoj kab uas hla | Ntev |
|---|---|
| 6-300 hli | 1–6 m |
| 0.24-12 hli | 3-20 ft |
Tolerances
Phaj: ASTM A480
Cov kav dej: ASTM A999 / A530
Qauv: ASTM A484
Kev cai machining muaj
Project Case – Petrochemical Cog
Lub teb chaws tus neeg siv khoom:Kaus lim qab teb
Kev lag luam:Petrochemical processing
Khoom siv:
347H Stainless hlau yeeb nkab
Specification:
OD 168mm × SCH40
Yuav tsum muaj:
Ntev - kev pabcuam sijhawm ntawm 700 degree
Resistance rau creep deformation
Welded qauv stability
Peb qhov kev daws teeb meem:
Muab stabilized 347H seamless kav
ASTM A213 Cov Qauv Txheej Txheem
Tag nrho PMI + UT tshuaj xyuas
Qhov tshwm sim:
Txhim kho kev pab cuam lub neej ntawm siab -kub piping system ntau dua 30%.
Export Kev paub
Exported rau 60+ lub teb chaws
Dav siv nyob rau hauv petrochemical & zog kev lag luam
Cov khoom ruaj khov rau EPC engineering tej yaam num
Vim li cas 347H thiaj siv rau hauv Kev Pabcuam Kub Kub
347H muajniobium (Nb)uas:
Stabilizes carbon ntawm qhov kub thiab txias
Tiv thaiv chromium carbide tsim
Txhim kho creep rupture zog
Txhim kho lub sijhawm ntev - thermal stability
👉 Qhov no ua rau nws superior rau 304H thiab 321H nyob rau hauv siab -kub ib puag ncig.
High Temperature Performance
Kev pabcuam txuas ntxiv: mus txog 850 degree
Oxidation kuj: zoo heev
Creep kuj: siab
Weld kev ua tau zoo: ruaj khov tom qab tshav kub raug
347 vs 347 ib
| Khoom | 347 | 347H |
|---|---|---|
| Cov ntsiab lus carbon | qis | Siab (0.04–0.10%) |
| Creep Resistance | Nruab nrab | Siab |
| Siab kub zog | Zoo | Zoo heev |
| Daim ntawv thov | Kev pabcuam cua sov | Heavy-lub luag haujlwm siab temp |
👉 Xaus:
347H yog nyiam rauntev - lub sij hawm siab - kub thiab siab siv.
Txheem & Ua raws cai
AISI 347H ua raws li:
ASTM A240 / A312 / A213 / ASTM A240 / A312 / ASTM A240 / A312 / A213 / ASTM A240 / A312 / A213 / ASTM A240 / A312 / A213 / ASTM A240 / A312 / A213 / ASTM A240 / A312 / A213 / ASTM A240 / A312 / A213 / ASTM A240 / A312 / A213 / ASTM A240 / A312 / A213)
ASME SA240
UNS S34709
TS EN 1.4980
Dav paub nyob rau hauvboiler, refinery, thiab fais fab kev lag luam.
Manufacturing Muaj peev xwm
10+ xyoo stainless hlau export kev
Kub & txias dov ntau lawm kab
Precision raj & phaj ua
OEM fabrication rau industrial systems
Cov khoom tseem ceeb nta
High -carbon version rau kev txhim kho siab - qhov kub thiab txias
Niobium-stabilized los tiv thaiv intergranular corrosion
Zoo heev creep thiab kev nyuaj siab rupture kuj
Superior oxidation thiab thermal qaug zog ua haujlwm
Weldability zoo nyob rau hauv hnyav- ntu ntu
Kev ntseeg tau ntev - kev pabcuam sijhawm ntawm 538–900 degree
Cov khoom siv
Boilers thiab superheater raj
Thaum tshav kub kub exchangers thiab condensers
Chemical reactors thiab cov khoom siv txheej txheem
Petrochemical rhaub tubes
Exhaust systems thiab cov khoom siv thermal ua
Kev Tshawb Fawb & Kev Pov Hwm Zoo
PMI tshuaj ntsuam xyuas
Mechanical xeem: tensile, hardness, elongation
Tsis yog -kev kuaj kev puas tsuaj: UT, RT, ET
Surface roughness thiab dimensional soj ntsuam
Thib peb-kev tshuaj ntsuam xyuas muaj (SGS, BV, TUV)
Mill Test Certificate EN 10204 3.1 suav nrog
Peb muab AISI 347H stainless hlau nplooj ntawv, daim hlau, coils, kav, raj, tuav, thiab kev cai fabrication rau cov neeg muas zaub thoob ntiaj teb. Tiv tauj peb rau quotes, qauv, los yog kev txhawb nqa.
Peb qhov chaw nyob
Room 4107, Runfeng Building, Sanqiao Tshiab Street, Weiyang District, Xi'an City, Shaanxi Province
Xov tooj
+86 15769214734
E -mail
FAQ
Q1: Qhov txawv ntawm 347 thiab 347H stainless hlau yog dab tsi?
A1: 347H muaj cov pa roj carbon ntau dua (0.04-0.10%) los txhim khocreep zogthiabkev nyuaj siab rupture kuj, ua kom nws zoo dua rau siab -kev pabcuam kub.
Q2: Qhov kev pabcuam siab tshaj plaws rau 347H yog dab tsi?
A2: Kev pabcuam txuas ntxiv mus txog900 degree, zoo tagnrho rau boilers, tshav kub exchangers, thiab siab -kub piping.
Q3: 347H puas tuaj yeem welded yam xyuam xim?
A3: Yog. Niobium stabilization tiv thaiv rhiab heev, tso cai rau kev nyab xeeb vuam rau siab -temp applications.
Q4: Koj puas muab MTC thiab thib peb -kev soj ntsuam tog?
A4: Yog. EN 10204 3.1 MTC, SGS, BV, thiab TUV tshuaj xyuas muaj.
Q5: Cov ntawv thiab qhov ntau thiab tsawg yog muaj?
Cov ntawv, phaj, coils, kav, raj, tuav, thiab kev cai -fabricated Cheebtsam.
Q6: Koj puas muab kev cai machining lossis fabrication?
Yog lawm. Txiav, dabtsi yog khoov, polishing, beveling, vuam, thiab CNC machining yog muaj.
Q7: Cov kev xaiv ntim khoom twg muaj?
Seaworthy packing nrog waterproof zaj duab xis, steel pallets, yeeb nkab kawg caps, thiab ntxiv ntim ntim.
AISI 347H (UNS S34709) yog niobium-stabilized siab- carbon austenitic stainless hlau tsim los rau kev nkag tau zoo heev, siab - qhov kub thiab txias, thiab ntev - lub sij hawm ruaj khov hauv boilers, tshav kub exchangers, thiab petrochemical systems.
Cim npe nrov: AISI 347h / uns s34709 stainless hlau, Tuam Tshoj aisi 347h / uns s34709 stainless hlau manufacturers, lwm tus neeg, Hoobkas
