ASTM A312 TP321 Teem sijhawm 40S stainless hlau yeeb nkabyog titanium-stabilized austenitic stainless hlau yeeb nkab dav siv nyob rau hauv tshav kub exchanger thiab siab -kub txheej txheem txheej txheem. Tsim raws li tus qauv muab los ntawm ASTM International, TP321 muaj kev txhim kho kev tiv thaiv rau intergranular corrosion tom qab vuam, ua rau nws tshwj xeeb tshaj yog haum rau thermal cycling ib puag ncig.
Teem sijhawm 40S yog hais txog stainless hlau yeeb nkab phab ntsa tuab raws li ASME B36.19M, feem ntau siv hauv nruab nrab -siab kub exchanger thiab txheej txheem piping daim ntaub ntawv.
Txheem & Khoom Txheej txheem cej luam
Txheem:ASTM A312 / A312M / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / A312M / ASTM A312 / ASTM A312 / A312M / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / A312M / ASTM A312 / ASTM A312 / A312M / ASTM A312 / A312M / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312 / ASTM A312) thiab ASTM A312M
Qib:TP 321 (UNS S32100)
Teem caij:SCH 40 S
Dimension Standard:ASME B36.19M
Hom kev tsim khoom:Seamless (SMLS) / Welded (WLD)
Kev kho cua sov:Kev daws Annealed
Kev soj ntsuam daim ntawv pov thawj:EN 10204 3.1 / 3.2 muaj
TP321 muaj cov titanium ua ib qho chaw ruaj khov los tiv thaiv chromium carbide nag lossis daus thaum lub sij hawm siab - kub raug.
Tshuaj muaj pes tsawg leeg ntawm TP321
| Element | Kev sib xyaw (%) |
|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08 |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 12.0 |
| Titanium (Ti) | Ntau dua lossis sib npaug li 5 × C (min 0.70 max 1.00 raug) |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 2.00 |
| Silicon (Si) | Tsawg dua lossis sib npaug li 1.00 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.045 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.030 |
Titanium khi nrog cov pa roj carbon monoxide los tsim cov carbide ruaj khov, tiv thaiv kev hnov mob thaum vuam lossis ncua ntev ntawm 450-850 degree.
Mechanical Properties
| Khoom | Yam tsawg kawg nkaus |
|---|---|
| Tensile zog | 515 MPa ua |
| Yield zog | 205 MPa |
| Elongation | 35% |
| Hardness | Tsawg dua lossis sib npaug li 217 HB |
TP321 tuav zoo txhua yam muaj zog ntawm qhov kub thiab txias thiab ua tau zoo nyob rau hauv cyclic cua sov tej yam kev mob nyob rau hauv lub tshav kub exchanger kev pab cuam.
Schedule 40S yog dab tsi?
Teem sijhawm 40S yog cov hlau tsis muaj steel yeeb nkab thickness tsim raws li ASME B36.19M.
Piv txwv qhov loj me:
| NPS | OD (mm) | Phab ntsa Thickness SCH 40S (mm) | Phab ntsa Thickness (inch) |
|---|---|---|---|
| 2" | 60.33 | 3.91 | 0.154" |
| 4" | 114.30 | 6.02 | 0.237" |
| 6" | 168.28 | 7.11 | 0.280" |
SCH 40S muab:
Nruab nrab siab muaj peev xwm
Cov qauv kev ntseeg zoo
Haum phab ntsa thickness rau cov cua kub exchanger piping
Vim li cas TP321 rau Heat Exchanger Projects?
✔ Titanium Stabilization
Tiv thaiv intergranular corrosion tom qab vuam yam tsis tas yuav tsum tau qis carbon zoo li 321H lossis 304L.
✔ Tiv thaiv kom hnov mob
Zoo tagnrho rau kev khiav hauj lwm kub ntawm 450-850 degree.
✔ Thermal stability
Ua tau zoo nyob rau hauv cyclic cua sov thiab txias tej yam kev mob.
✔ Zoo Weldability
Tsis xav tau tom qab-weld kev kho cua sov hauv ntau zaus.
Tej kev siv
🔥 Heat Exchanger Systems
Plhaub & tube exchanger piping
Txheej txheem cua sov hloov kab
Condenser systems
🏭 Petrochemical Cog
Rauv piping
High -cov kav dej kub txheej txheem
⚡ Kev tsim hluav taws xob
Superheater kav dej
Boiler Cheebtsam
✈ Aerospace & High -Tsev Khoom Siv Kub
Exhaust manifolds
Thermal processing units
TP321 vs TP304 vs TP316
| Khoom | TIAB SA 304 | TIAB SA 316 | TIAB SA 321 |
|---|---|---|---|
| Stabilizing Element | Tsis muaj | Mo | Ti |
| High Temp stability | Nruab nrab | Zoo | Zoo heev |
| Sensitization Resistance | Txwv tsis pub | Zoo dua | Superior |
| Thaum tshav kub kub Exchanger siv | General | Corrosive media | Siab - caij tsheb kauj vab |
Rau cov phiaj xwm hluav taws xob sib hloov ua haujlwm hauv qhov kub thiab txias, TP321 feem ntau nyiam dua TP304.
Kev Tswj Xyuas Zoo & Kev Tshuaj Xyuas
Cov txheej txheem tshuaj xyuas ib txwm muaj xws li:
Tshuaj ntsuam xyuas muaj pes tsawg leeg
Tensile thiab flattening xeem
Kev ntsuam xyuas hydrostatic
Kev kuaj ultrasonic (UT)
Kev ntsuas hluav taws xob (RT)
PMI (Positive Material Identification)
EN 10204 3.1 ntawv pov thawj
Thib peb-kev tshuaj ntsuam xyuas (SGS / BV / TUV muaj)
Thaum tshav kub kub tus lej traceability raug tswj kom ua raws li qhov project.
Cov txiaj ntsig tseem ceeb rau Cov Hluav Taws Xob Hluav Taws Xob
✔ Txhim khu kev tiv thaiv rau intergranular corrosion
✔ Zoo heev - kub stability
✔ Zoo txhua yam muaj zog
✔ txhim khu kev qha weldability
✔ Haum rau cyclic thermal kev pabcuam
✔ Lub neej ua haujlwm ntev hauv kev sib hloov pauv
FAQ
1️⃣ ASTM A312 TP321 Teem sijhawm 40S stainless hlau yeeb nkab yog dab tsi?
ASTM A312 TP321 Teem caij 40S yeeb nkab yog titanium -stabilized austenitic stainless hlau yeeb nkab tsim nyob rau hauv cov lus qhia los ntawm ASTM International. Nws yog tsim los rau siab - qhov kub thiab txias kev pab cuam thiab feem ntau yog siv nyob rau hauv lub tshav kub exchanger thiab thermal txheej txheem systems. Teem sijhawm 40S yog hais txog stainless hlau phab ntsa tuab txheej txheem raws li ASME B36.19M.
2️⃣ Vim li cas TP321 thiaj li nyiam rau cov khoom siv hluav taws xob hloov hluav taws xob?
TP321 muaj titanium, uas ruaj khov cov khoom thiab tiv thaiv chromium carbide nag lossis daus thaum lub sij hawm vuam los yog ntev raug rau qhov kub thiab txias ntawm 450-850 degree.
Qhov no ua rau:
Resistant rau intergranular corrosion
Haum rau cyclic cua sov tej yam kev mob
Kev ntseeg tau nyob rau hauv ntev - lub sij hawm thermal kev pab
3️⃣ Qhov txawv ntawm TP321 thiab TP304 yog dab tsi?
Qhov sib txawv tseem ceeb suav nrog:
TP321 muaj titanium (stabilizing keeb)
TP304 tsis muaj stabilizers
TP321 muaj kev tiv thaiv zoo dua rau kev nkag siab ntawm qhov kub siab
Rau siab -kub kub exchanger systems, TP321 yog feem ntau haum tshaj TP304.
4️⃣ Schedule 40S txhais li cas?
Teem sijhawm 40S qhia txog tus qauv stainless hlau phab ntsa tuab raws li ASME B36.19M.
Nws muab:
Nruab nrab siab muaj peev xwm
Ntsuas lub zog thiab qhov hnyav
Haum rau exchanger thiab txheej txheem piping
5️⃣ Puas yog TP321 zoo dua TP316 rau cov khoom siv hluav taws xob?
Nws nyob ntawm qhov kev pab cuam:
TP321 zoo dua rau siab - qhov kub thiab txias ib puag ncig
TP316 muaj kev tiv thaiv zoo dua rau chloride corrosion vim molybdenum
Yog tias thermal stability yog qhov tseem ceeb, TP321 nyiam dua.
Yog tias corrosion los ntawm chlorides yog qhov kev txhawj xeeb tseem ceeb, TP316 yuav tsim nyog dua.
6️⃣ TP321 puas tuaj yeem txuas tau yooj yim?
Yog lawm. TP321 muaj qhov zoo weldability thiab feem ntau tsis xav tau tom qab-weld kho cua sov rau ntau daim ntawv thov kev lag luam.
Titanium stabilization txo qhov kev pheej hmoo ntawm weld-txog kev nkag siab.
7️⃣ Qhov ntsuas kub dab tsi tuaj yeem tiv taus TP321?
TP321 ua tau zoo hauv:
Kev pabcuam txuas ntxiv mus txog kwv yees li 870 degree
Kev sib cuam tshuam txog li ntawm 900 degree
Nws tuav cov qauv kev ruaj ntseg hauv thermal cycling tej yam kev mob.
8️⃣ Cov kev lag luam twg siv TP321 SCH 40S yeeb nkab?
Common industries muaj xws li:
Petrochemical nroj tsuag
Roj & roj ua
Kev tsim hluav taws xob
Thaum tshav kub kub exchanger manufacturing
Rauv thiab cov khoom siv thermal ntau lawm
9️⃣ Cov ntaub ntawv tshuaj xyuas dab tsi yog muab?
Manufacturers feem ntau muab:
EN 10204 3.1 MTC
Daim ntawv qhia txog tshuaj muaj pes tsawg leeg
Mechanical test report
Hydrostatic test report
Kev kuaj ultrasonic (UT)
Kev ntsuas hluav taws xob (RT)
PMI (Positive Material Identification)
Thib peb-kev soj ntsuam tog (SGS / BV / TUV raws li kev thov)
🔟 Kuv yuav xaiv qhov kev ntseeg siab TP321 yeeb nkab li cas rau cov phiaj xwm sib pauv?
Cov ntsiab lus tseem ceeb:
Ua raws li ASTM A312
Qhov tseeb qhov ntev kam rau ua rau ASME B36.19M
Kev kho kom zoo annealing
Ua kom tiav cov ntaub ntawv traceability
Kev paub muab cov khoom siv hluav taws xob los yog EPC cov haujlwm
Lub chaw tsim khoom lag luam yuav tsum muab kev txhawb nqa thiab cov ntaub ntawv ua haujlwm puv ntoob.
