ASTM A312 TP316L seamless stainless hlau kavyogqis- carbon austenitic stainless hlau kavnrog zoo corrosion kuj, weldability, thiab siab durability. TP316L muaj molybdenum, uas ua rau muaj kev tiv thaiv zoochloride-induced corrosion, pitting, thiab crevice corrosion, ua rau nws zoo tagnrho rau hnyav tshuaj, marine, thiab offshore ib puag ncig.
Seamless kav dej muabuniform phab ntsa thickness, siab structural kev ncaj ncees, thiab superior kev ua tau zoonyob rau hauv siab thiab kub variations. Lawv tau siv dav hauvindustrial piping systems, tshuaj nroj tsuag, roj & gas pipelines, thiab seawater siv.
Qhov Loj (NPS 1 "mus rau 12")
ASTM A312 TP316L seamless kav yog muaj nyob rau hauvNominal Pipe Loj (NPS)xws li los ntawm1 nti rau 12 nti, suav nrog cov sijhawm teem sijhawm: SCH 10S, SCH 40S, SCH 80S, thiab SCH 160.
| NPS | OD (hauv / mm) | Cov Sijhawm Sib Tham | Phab ntsa Thickness Range (mm / nti) |
|---|---|---|---|
| 1" | 33.40 hli (1.315 ") | 10S, 40S, 80S | 2.77-6.02 hli (0.109-0.237 ") |
| 1.5" | 48.26 hli (1.900 ") | 10S, 40S, 80S | 2.87-7.11 hli (0.113-0.280 ") |
| 2" | 60.33 hli (2.375 ") | 10S, 40S, 80S | 2.77-7.11 hli (0.109-0.280 ") |
| 3" | 88.90 hli (3.500 ") | 10S, 40S, 80S | 3.38-9.27 hli (0.133-0.365 ") |
| 4" | 114.30 hli (4.500 ") | 10S, 40S, 80S | 3.73 - 9.27 hli (0.147 - 0.365 ") |
| 6" | 168.28 hli (6.625 ") | 10S, 40S, 80S | 3.73 - 11.13 hli (0.147 - 0.438 ") |
| 8" | 219.08 hli (8.625 ") | 10S, 40S, 80S | 4.78-12.70 hli (0.188-0.500 ") |
| 10" | 273.05 hli (10.750 ") | 10S, 40S, 80S | 4.78 - 14.27 hli (0.188 - 0.562 ") |
| 12" | 323.85 hli (12.750 ") | 10S, 40S, 80S | 5.54-15.09 hli (0.218-0.594 ") |
Sab nraud txoj kab uas hla yog tas mus li thoob lub sij hawm; phab ntsa thickness nce nrog lub sij hawm rau siab dua ntsuas.
Tshuaj muaj pes tsawg leeg ntawm TP316L
| Element | Cov ntsiab lus (%) |
|---|---|
| C | Tsawg dua lossis sib npaug li 0.03 |
| Cr | 16–18 |
| Ni | 10–14 |
| Mo | 2–3 |
| Mn | Tsawg dua los yog sib npaug 2 |
| Si | Tsawg dua los yog sib npaug li 1 |
| P | Tsawg dua lossis sib npaug li 0.045 |
| S | Tsawg dua lossis sib npaug li 0.030 |
Molybdenum txhim khu kev qhativ taus pitting thiab crevice corrosionhauv chloride- ib puag ncig nplua nuj.
Mechanical Properties
| Khoom | Yam tsawg kawg nkaus |
|---|---|
| Tensile zog | 485 MPa ua |
| Yield zog | 170 MPa |
| Elongation | 35% |
| Hardness | Tsawg dua lossis sib npaug li 95 HRB |
Seamless TP316L kav dej tuavzoo heev ductility, weldability, thiab corrosion kuj.
Cov khoom siv
🏭 Chemical & Petrochemical
Acid thiab alkali hloov pipelines
Chloride- muaj cov kab ua tshuaj
Corrosive kua tuav
🛢 Roj & Gas
Offshore thiab onshore pipelines
Cov kab dej ntsev txhaj tshuaj
Txheej txheem piping rau cov roj crude thiab natural gas
🌊 Marine & Seawater Systems
Seawater txias pipelines
Desalination cog piping
Offshore platform piping
💧 Khoom noj khoom haus, dej haus & tshuaj
Hygienic thiab sanitary kav
Cov kab kev kho dej thiab dej khib nyiab
Pharmaceutical processing kab
⚡ Fais fab nroj tsuag & Industrial
Chav thiab condensate kab
Thaum tshav kub kub exchangers thiab condensers
Siab - cov kav dej xa mus rau cov tshuaj
Seamless vs Welded TP316L
| Hom | Pom zoo siv |
|---|---|
| Seamless | Cov ntawv thov tseem ceeb nrog kev kub siab thiab kub, cov phab ntsa tuab tuab |
| Welded (ERW / EFW) | Cov kab uas loj dua, qis dua, dav dav siv cov kav dej |
Seamless TP316L yog nyiam rauoffshore, tshuaj lom neeg, thiab siab - cov txheej txheem siab.
Kev Tshawb Fawb & Kev Pov Hwm Zoo
EN 10204 3.1 / 3.2 Mill Test Certificate (MTC)
Daim ntawv qhia txog tshuaj muaj pes tsawg leeg
Mechanical test report
Kev ntsuas hydrostatic siab
Ultrasonic kuaj (UT) rau phab ntsa kev ncaj ncees
PMI (Positive Material Identification)
Thib peb-kev soj ntsuam tog (SGS / BV / TUV xaiv tau)
Tag nrho cov xov tooj cua sov traceability yog tus qauv rau EPC thiab cov haujlwm ua haujlwm.
FAQ
1️⃣ ASTM A312 TP316L seamless stainless hlau yeeb nkab yog dab tsi?
Nws yog ib qho qis - carbon austenitic stainless hlau yeeb nkab tsim raws li ASTM International ASTM A312 specification. TP316L muaj molybdenum (2-3%), muabsuperior corrosion kujnyob rau hauv chloride- nplua nuj thiab acidic ib puag ncig. Seamless kev tsim kho kom zoo li phab ntsa tuab, txhua yam muaj zog, thiab kev ntseeg siab hauv cov kav dej tseem ceeb.
2️⃣ Dab tsi loj npaum li cas muaj rau TP316L seamless kav?
Nominal Pipe Sizes (NPS) los ntawm1 nti rau 12 nti
Standard sij hawm:10S, 40S, 80S, thiab 160S
Tsim nyog rau qis rau siab - cov ntawv thov siab thoob plaws hauv kev lag luam
3️⃣ Lub sij hawm phab ntsa cuam tshuam li cas TP316L yeeb nkab kev ua tau zoo?
SCH 10 S:Phab ntsa nyias, qis - kev pabcuam siab
SCH 40S:Standard industrial piping, nruab nrab siab
SCH 80 S:Phab ntsa tuab, siab - kev siv siab
NWS 160:Ntxiv tuab, tseem ceeb heev thiab kev pabcuam tshuaj lom neeg
Phab ntsa thickness txiav txim siab qhov ntsuas, qhov hnyav, thiab kev ua haujlwm ruaj khov.
4️⃣ Cov tshuaj muaj pes tsawg leeg ntawm TP316L yog dab tsi?
| Element | Cov ntsiab lus (%) |
|---|---|
| C | Tsawg dua lossis sib npaug li 0.03 |
| Cr | 16–18 |
| Ni | 10–14 |
| Mo | 2–3 |
| Mn | Tsawg dua los yog sib npaug 2 |
| Si | Tsawg dua los yog sib npaug li 1 |
| P | Tsawg dua lossis sib npaug li 0.045 |
| S | Tsawg dua lossis sib npaug li 0.030 |
Molybdenum txhim khu kev qhapitting thiab crevice corrosion kuj, zoo tagnrho rau marine, offshore, thiab tshuaj siv.
5️⃣ Cov khoom siv kho tshuab yog dab tsi?
| Khoom | Yam tsawg kawg nkaus |
|---|---|
| Tensile zog | 485 MPa ua |
| Yield zog | 170 MPa |
| Elongation | 35% |
| Hardness | Tsawg dua lossis sib npaug li 95 HRB |
Seamless TP316L tuavzoo heev ductility, weldability, thiab siab tsis kam.
6️⃣ Cov ntawv thov ntawm TP316L seamless kav
🏭 Chemical & Petrochemical
Acid, alkali, thiab corrosive tshuaj kab
Chloride- cov txheej txheem nplua nuj
🛢 Roj & Gas
Offshore thiab onshore pipelines
Dej ntsev thiab roj av thauj kab
🌊 Marine & Seawater Systems
Seawater txias thiab desalination nroj tsuag
Offshore platform piping
💧 Khoom noj khoom haus, dej haus & tshuaj
Cov kav dej huv thiab huv
Cov kab kev kho dej thiab dej khib nyiab
⚡ Hwj chim & Industrial
Chav thiab condensate pipelines
Kub exchangers thiab siab -kub txheej txheem kav
7️⃣ Seamless vs welded TP316L kav - Kuv yuav xaiv qhov twg?
| Hom | Pom zoo siv |
|---|---|
| Seamless | Siab-siab, siab- kub, thiab kev pabcuam tshuaj lom neeg tseem ceeb; uniform phab ntsa thickness |
| Welded (ERW / EFW) | Cov diameters loj dua lossis kev pabcuam kev lag luam dav dav nrog lub siab nruab nrab |
Seamless yog nyiam rauoffshore, tshuaj, thiab EPC pipeline tej yaam num.
8️⃣ Cov qauv tshuaj ntsuam xyuas thiab ntawv pov thawj dab tsi?
EN 10204 3.1 / 3.2 Mill Test Certificate (MTC)
Chemical composition thiab mechanical property reports
Kev ntsuas hydrostatic siab
Ultrasonic kuaj (UT) rau phab ntsa kev ncaj ncees
Positive Material Identification (PMI)
Thib peb-kev soj ntsuam tog (SGS / BV / TUV xaiv tau)
Tag nrho cov xov tooj cua sov traceability ua kom muaj kev ntseeg siab rau cov haujlwm tseem ceeb.
9️⃣ Kuv yuav xaiv lub sijhawm thiab qhov loj me li cas?
Txiav txim siabkev khiav hauj lwm siab thiab kub
Tshawb xyuaskua corrosiveness(chlorides, acids)
SivSCH 10 Srau qis-siab, SCH 40S rau kev pabcuam dav dav, SCH 80S lossis SCH 160 rau siab-siab lossis hnyav ib puag ncig
Xav txogseamless kev tsim khorau cov kav dej tseem ceeb
🔟 Vim li cas thiaj xaiv TP316L dhau TP304L?
TP316L muajmolybdenum, muab kev tiv thaiv zoo rau chlorides thiab dej hiav txwv
Zoo dua rauoffshore, tshuaj, thiab siab -salinity industrial applications
TP304L yog qhov tsim nyog rau kev xeb dav dav -cov kev pabcuam tiv taus, tab sis TP316L ua tau zoo dua hauvaggressive ib puag ncig
