317L Stainless Hlau Yeeb Nkab|Seamless & Welded Supplier
1. Hom: Seamless, Welded
2. OD: 1/2 "-48"
3. Thickness: SCH5-SCHXXS
4. Ntev: 0-12M, Customized
5. Txheej Txheem: Kub / Cold Rolled, Kub ua haujlwm, Txias kos
Zhengzhou Huitong Pipeline Equipment Co., Ltd. yog ib qho ntawm cov ua lag luam thiab cov neeg muag khoom ntawm 317L Stainless Hlau Yeeb Nkab|Seamless & Welded Supplier nyob rau hauv Suav teb. Peb sov siab txais tos koj mus yuav peb 317L Stainless Hlau Yeeb|Seamless & Welded Supplier. 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.
317L Stainless Hlau Yeeb Nkab Nqe 2026|Sab saum toj Tuam Tshoj Supplier & Stockist
317L stainless hlau yeeb nkab nqi feem ntau yog los ntawm $ 3.20 txog $ 7.50 ib kilogram hauv 2026, muab qhov zoo tshaj pitting thiab crevice corrosion kuj piv rau 316L vim nws cov ntsiab lus molybdenum ntau dua. Nws yog dav siv nyob rau hauv cov tshuaj ua, flue gas desulfurization, thiab marine ib puag ncig uas aggressively chloride media.
317L Yeeb Nkab Nqe Ib Kg
| Hom | Qhov Loj (OD) | Tus nqi kwv yees (USD/KG) | Tus nqi kwv yees (USD/Ton) |
| Seamless Yeeb Nkab | 1/2" - 8" | $4.50 - $6.80 | $3,300 - $6,800 |
| Welded yeeb nkab | 6" - 24" | $3.20 - $5.10 | $2,000 - $5,100 |
| Sch 40 / Sch 80 Tshuag | Standard Sizes | $3.80 - $5.90 | $2,600 - $5,900 |
Cov lus hais tiag yog nyob ntawm ASTM specification, kom muaj nuj nqis, tshuaj xyuas cov cai thiab kev ua lag luam.
317L Stainless hlau yeeb nkab yog dab tsi?
317L Stainless hlau yeeb nkab (S31703 / 1.4438)yog tsim raws li ASTM A312 tus qauv thiab yog ib qho ultra-cov pa roj carbon tsawg, molybdenum- muaj cov khoom siv. Nws muaj cov ntsiab lus molybdenum siab dua (3.0-4.0%) dua li 316L (2-3%), ua rau muaj kev tiv thaiv zoo rau pitting thiab crevice corrosion. ASTM A312 TP317L yeeb nkab feem ntau yog siv rau hauv cov chaw uas muaj cov tshuaj chloride (xws li dej hiav txwv, tshuaj tsuag ntsev, thiab tshuaj lom neeg cog).
Qhov no nce molybdenum txhim kho:
- Resistance rau pitting corrosion
- Resistance rau crevice corrosion
- Kev ua tau zoo hauv ib puag ncig chloride
- Acid tuav peev xwm
Cov ntawv thov ib txwm muaj xws li:
- Cov khoom siv tshuaj ua haujlwm
- Cov nroj tsuag sulfuric acid
- Pulp thiab ntawv bleaching systems
- Offshore seawater piping
- Petrochemical nroj tsuag
- Pharmaceutical processing kab
- Thaum tshav kub kub exchanger systems
317L feem ntau muab raws li:
- Seamless yeeb nkab
- Welded yeeb nkab
- ERW cev
- EFW cev
Zhengzhou Huitong Pipeline Equipment Co., Ltd. Daim ntawv pov thawj:
✅ 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
Cov ntsiab lus tseem ceeb:
- 317L stainless hlau yeeb nkab muaj ntau dua Mo dua 316L, txhim kho kev tiv thaiv rau chloride thiab acidic ib puag ncig.
- HomPREN tus nqi: 29–33, siab tshaj 316L (~ 24–26).
- Qhov kev pabcuam kub siab tshaj plaws yog nyob ib puag ncig870℃intermittent / 925℃nruam oxidation kev pab cuam, nyob ntawm tej yam kev mob.
- 317L muaj qhov zoo tshaj plaws weldability tab sis yuav tsum tau xaiv cov muab tub lim zoo xws liAWS ER317L/E317L.
- Nws yog tus nqi -kev ua haujlwm zoo ntawm 316L thiab siab- cov khoom siv hlau xws li Alloy 825 lossis Hastelloy C276.
- Cov ntaub ntawv khoom lag luam muaj xws li cov yeeb nkab seamless, welded yeeb nkab, raj, fittings, flanges, thiab fabricated yeeb nkab spools.
ASTM A312 TP317L yeeb nkab specifications
| ASTM Txuj | ASTM A/ASME SA213/A249/A269/A312 |
| Dimensional | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Qhov ntau thiab tsawg (Seamless) | 1/2" NB - 24" NB |
| Qhov ntau thiab tsawg (ERW) | 1/2" NB - 24" NB |
| Qhov ntau thiab tsawg (EFW) | 6" NB - 100" NB |
| Cov duab | Rectangle, Hydraulic, Square, Round, Hex |
| Hom | Seamless, CDW, Welded, ERW, Fabricated |
| Cov yeeb nkab kawg | Beveled kawg, Plain Ends, Treaded Ends |
| Kev xa khoom xa tuaj | Polished, Bright Annealed, Annealed thiab Pickled, Txias Drawn, Kub Rolled |
| Nto tiav | 2B, No.4, No.1, No.8 Daim iav tiav lossis kev cai tiav raws li cov neeg siv khoom xav tau |
| Phab ntsa Thickness | SCH 5, SCH 10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Kev Pabcuam Ntxiv | MTR muaj, Grooving, Export Ntim, Kev puas tsuaj, Txiav, Polishing, Ultrasonic Test, Beveling, Machining, Tsis Muaj Kev Puas Tsuaj, Xim Coding, Threading, Khoom kuaj, Threading |
| Daim ntawv pov thawj |
|
Dab tsi yog qhov sib xyaw ntawm 317L?
| % | Cr | Ni | C | Mo | Mn | P | S | Si | Fe |
| 317L | min: 18.0 Nws | min: 11.0 Nws | 0.035 | ua min:3 | 2 | 0.04 | 0.03 | 0.75 | tshuav nyiaj li cas |
| max: 20.0 Nws | max: 15.0 Nws | max | ua max:4 | max | max | max | max |
317L SS Tubing Mechanical Properties:
| Yield zog 0.2% | Tensile zog | Elongation - | Hardness | Hardness |
| Offset ksi (min.) | qis (min.) | % hauv 50 mm (min.) | (Brinell) MAX | (Rockwell B) MAX |
| 30 | 75 | 40 | 217 | 95 |
ASTM A312 TP 317L Stainless hlau yeeb nkab loj
| NPS | OD (mm) sab nraud txoj kab uas hla |
Sch5S (mm) | Sch10S (mm) | Sch40S (mm) | Sch80S (mm) | Sch160S (mm) |
| 1/8 | 10.3 | - | 1.24 | 1.73 | 2.41 | 3.15 |
| 1/4 | 13.7 | - | 1.65 | 2.24 | 3.02 | 3.68 |
| 3/8 | 17.1 | - | 1.65 | 2.31 | 3.2 | 4.01 |
| 1/2 | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 | 4.78 |
| 3/4 | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 | 5.56 |
| 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 | 6.35 |
| 1 1/4 | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 | 6.35 |
| 1 1/2 | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 | 7.14 |
| 2 | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 | 8.74 |
| 2 1/2 | 73 | 2.11 | 3.05 | 5.16 | 7.01 | 9.52 |
| 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 | 11.13 |
| 3 1/2 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 | - |
| 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 | 13.49 |
| 5 | 141.3 | 2.77 | 3.40 | 6.55 | 9.53 | 15.88 |
| 6 | 168.3 | 2.77 | 3.40 | 7.11 | 10.97 | 18.26 |
| 8 | 219.1 | 2.77 | 3.76 | 8.18 | 12.7 | - |
| 10 | 273.1 | 3.40 | 4.19 | 9.27 | 12.7 | - |
| 12 | 323.9 | 3.96 | 4.57 | 9.53 | 12.7 | - |
| 14 | 355.6 | 3.96 | 4.78 | 9.53 | 12.7 | - |
| 16 | 406.4 | 4.19 | 4.78 | 9.53 | 12.7 | - |
| 18 | 457 | 4.19 | 4.78 | 9.53 | 12.7 | - |
| 20 | 508 | 4.78 | 5.54 | 9.53 | 12.7 | - |
Dimensional cov ntaub ntawv yog muab los ntawmASME B36.19.
Qhov sib npaug ntawm SS317L yog dab tsi?
- UNS S31703
- TS EN 1.4438
- EN X2CrNiMo18-15-4
Stainless hlau 317L yeeb nkab Thaum tshav kub kub kuj
SS317L stainless hlau tubing tuaj yeem ua haujlwm ruaj khov rau lub sijhawm ntev ntawm qhov kub hauv qab 800℃thiab tiv taus oxidation thiab me ntsis txo cov cua.
| Qhov kub thiab txias | Kev ua tau zoo |
| Hauv qab 400 degree | Zoo heev corrosion kuj |
| 400-800 degree | Zoo tab sis nag lossis daus carbide yuav tsum xav txog |
| 870℃sib quas ntus | Txais oxidation kuj |
| 925℃nruam | Ua tau nyob ntawm huab cua |
Rau kev pabcuam txuas ntxiv saum toj 700 degree: Xav txog 253MA, 310S, Incoloy 800H, Inconel 600/625
317L SS tubing Txheej Txheem
Kev kho cua sov:
Kev kho qhov kub thiab txias yog 1010-1150 degree, ua raws li cua txias los yog dej txias.
Vuam:
Vim tias 317L muaj kev tswj hwm cov ntsiab lus qis qis (C Tsawg dua lossis sib npaug li 0.030%), carbide nag lossis daus ntawm cov ciam teb thaum lub sij hawm vuam yog hnyav heev, txo qhov kev pheej hmoo ntawm intergranular corrosion.
- Txawm li cas los xij, kev xaiv hlau muab tub lim yog qhov tseem ceeb. Welders yuav tsum siv qhov sib txuam lossis ntau dua - cov hlau muab tub lim xws li ER317L los tiv thaiv qhov chaw vuam hlau dilution.
- Purging sab hauv nrog siab -purity argon roj thaum lub sij hawm TIG/GTAW vuam yog yuav tsum tau kom tsis txhob muaj cov hauv paus oxidation thiab qab zib tsim, uas ua raws li qhov chaw pib rau pitting.
- Nco ntsoov hais kom tsawg cov cua kub nkag los tiv thaiv cov qauv austenitic.
Puas yog 317L xav tau kev tshaj tawm tshwj xeeb -weld heat treatment (PWHT)?
Feem ntau, tsis muaj. Ua tsaug rau nws qhov qis carbon max txwv (0.030%), 317L tsis tas yuav tsum tau ncej-weld annealing rau corrosion kuj nyob rau hauv tus qauv atmospheric thiab tshuaj lom neeg kev pab cuam, muab kom tsawg - tshav kub- tswv yim vuam cov tswv yim yog siv.
Yam TIG Welding Parameters:
| Parameter | Pom zoo Range |
| Tam sim no | 60–180 A |
| Qhov hluav taws xob | 10–16 V |
| Tiv thaiv Gas | 99.99% Argon |
| Gas Flow | 10-20L / min |
| Interpass kub | Tsawg dua los yog sib npaug li 150 degree |
| Kub Input | Tsawg dua los yog sib npaug li 1.5 kJ / mm |
Machineability
Alloy 317L Stainless Hlau Yeeb Nkab hardens ceev ceev thaum ua hauj lwm txias thiab yuav tsum tau intermediate annealing.
Stainless Hlau Seamless Pipes vs Welded Pipes:
- Seamless kav: Ua los ntawm kev tho thiab txias kos duab / kub dov txheej txheem. Lawv muaj kev kub siab tsis kam thiab siab precision.
- Welded kav(ERW / SAW / EFW): Ua los ntawm vuam steel phaj lossis coils. Lawv yog cov pheej yig thiab feem ntau siv rau hauv loj - txoj kab uas hla, qis - mus rau - nruab nrab cov kav dej.
Qhov txawv ntawm 317l thiab 316l Stainless hlau yog dab tsi?
| Khoom | TSI 317L | AISI 316L |
| Mo Cov ntsiab lus | 3-4% | 2-3% |
| PREN | Ntau dua lossis sib npaug rau 30 (siab dua) | 24-28 |
| Corrosion Resistance | Ntau resistant rau chlorides | Muaj zog, tab sis tej zaum yuav tsis txaus nyob rau hauv siab chloride concentrations |
| Nqi | Siab dua | Tsawg dua |
Xaiv317L los ntawm 316Lthaum:
- Chloride concentration yog siab
- Acid raug
- Cov khoom siv lub neej yuav tsum muaj tshaj 10-20 xyoo
- Kev tu cov nqi kaw yog kim
317L vs Duplex 2205 Tube
| Khoom | 317L | TIAB SA 2205 |
| Qauv | Austenitic | Ferritic + Austenitic |
| Tensile zog | ~ 515 MPa | ~ 620 MPa |
| Yield zog | ~ 205 MPa | ~ 450 MPa |
| PREN | 29–34 | 35–38 |
| Weldability | Zoo heev | Yuav tsum tau tswj |
| Nqe | qis | Siab dua |
| Chloride Resistance | Zoo | Zoo heev |
Kev pom zoo engineering:
- Kev ua tshuaj → 317L
- Offshore seawater → Duplex 2205
- Siab -kev pabcuam chloride siab → Duplex nyiam
317L Stainless hlau yeeb nkab vs 904L yeeb nkab
| Khoom | 317L | 904L |
| Nim Content | 11–15% | 23–28% |
| Mo Cov ntsiab lus | 3–4% | 4–5% |
| Corrosion Resistance | Siab | Siab heev |
| Sulfuric Acid Resistance | Zoo | Zoo heev |
| Nqi | Nruab nrab | Siab |
904L raug xaiv thaum:
- Muaj zogsulfuric acid muaj
- Yuav tsum muaj kev tiv thaiv corrosion heev
- Cov khoom siv siab dua yog qhov lees txais
Kev paub tiag tiag Engineering
317l stainless hlau tubing rau tshuaj cog tsis ua hauj lwm Case Study
Qhov xwm txheej tsis ua tiav: Cov nroj tsuag tshuaj tau ntsib ntxov ntxov dhau los ntawm - phab ntsa pitting leaks hauv 316L stainless hlau piping network nqa cov dej sov acetic acid uas muaj kab mob chlorides.
Kev Tshawb Fawb Txog Kev Tshawb Fawb: Kev ntsuam xyuas hlau tau nthuav tawm cov tshuaj chloride hnyav heev -induced pitting corrosion nrawm los ntawm cov kua dej khov kho thaum lub sij hawm ua batch. Lub PREN ntawm 316L (~ 25) tsis txaus rau cov chemistry hauv zos.
Engineering Resolution: Cov nroj tsuag tau hloov kho qhov ua tsis tiav rau 317L stainless hlau yeeb nkab. Cov ntsiab lus molybdenum siab dua tau nce PREN mus rau saum toj 32, ua tiav lub ntsej muag sab hauv tiv thaiv chloride nres thiab txuas ntxiv kev pab cuam lub neej dhau los 10 xyoo yam tsis muaj kev saib xyuas.
Sib piv 317L vs 904L vs 316L yeeb nkab rau flue gas desulfurization systems.
Rau Flue Gas Desulfurization (FGD) scrubbers thiab chemical pulp mills, 317L feem ntau yog tus nqi zoo tshaj -rau -kev ua tau zoo qab zib qhov chaw- muab ze rau - super- austenitic corrosion tsis kam yam tsis muaj tus nqi siab tshaj ntawm 904L 0 alloys tshwj xeeb.
"Yog 317L stainless hlau yeeb nkab haum rau tuav kub concentrated acetic acid nyob rau hauv tshuaj nroj tsuag?"
317L ua tau zoo me ntsis hauv dilute - mus rau - nruab nrab acetic acid ib puag ncig, siab - kub, siab - cov ntsiab lus siab tuaj yeem ua rau cov nqi corrosion. Cov khoom siv engineers yuav tsum ntsuas cov txheej txheem ntws impurities (xws li chlorides lossis cov qauv) thiab xav txog npib tsib xee-puag alloys yog tias ua haujlwm ze rau qhov kub ntawm glacial acetic acid.
Cov qauv
- ASTM A312 Seamless thiab welded austenitic stainless hlau yeeb nkab
- ASME SA312 Boiler thiab siab lub nkoj thov sib npaug
- ASTM A358 Hluav taws xob fusion welded yeeb nkab
- ASTM A530 Cov kev cai dav dav
- ASTM A999 Cov kev cai dav dav rau alloy steel yeeb nkab
FAQ:
Q: Tus nqi ss 317l yog dab tsihauv 2026?
A: Tus nqi ntawm $ 3.5- $ 8 / kg nyob ntawm qhov loj, tiav, thiab seamless lossis welded hom.
Q: Qhov txawv ntawm 317L thiab 316L stainless hlau yeeb nkab yog dab tsi?
A: 317L contains a higher percentage of chromium (18-20%), nickel (11-15%), and molybdenum (3-4%) compared to 316L. This gives it a superior PREN (Pitting Resistance Equivalent Number), typically >30, ua rau nws tiv taus ntau heev rau sulfuric acid, chloride pitting, thiab crevice corrosion nyob rau hauv aggressive chemical thiab marine ib puag ncig.
Q: Puas yog 317L sib nqus?
A: Raws li qib austenitic, 317L tsis yog -sib nqus nyob rau hauv cov mob annealed, txawm tias nws yuav dhau los ua hlau nplaum me ntsis tom qab vuam lossis ua haujlwm txias.
Q: Dab tsi yog qhov siab tshaj plaws ua haujlwm kub rau 317L?
A: Nws muab kev nkag siab zoo heev txog 800-900℃F (427-482 degree). Rau qhov kub siab dua, cov qib ruaj khov lossis cov nickel alloys raug pom zoo.
Q: 317L vs Duplex 2205: Qhov twg zoo dua?
- TIAB SA 2205muaj ze li ntawm ob npaug ntawm qhov kev tawm dag zog thiab kev ua haujlwm zoo dua rau Stress Corrosion Cracking (SCC).
- 317L yog qhov zoo dua rau cov ntaub ntawv nyuaj uas yuav tsum tau ua kom muaj zog.
Q: 317L puas tuaj yeem tiv taus sulfuric acid?
A: Yog, 317L muaj kev tiv thaiv zoo heev rau dilute sulfuric acid (txog 5% concentration) ntawm qhov kub thiab txias li 120℃F (49 degree). Txawm li cas los xij, rau cov concentrated los yog boiling sulfuric acid, siab -nickel alloys zoo li Alloy 20 los yog Hastelloy feem ntau yuav tsum tau.
Q: Puas yog 317L xav tau kev tshaj tawm -weld kev kho cua sov?
A: Feem ntau, tsis yog. Lub "L" (tsawg carbon) tiv thaiv intergranular corrosion, ua rau nws muaj kev nyab xeeb siv nyob rau hauv raws li -welded xeev.
Q: Koj puas yog lub Hoobkas tsim khoom?
A: Yog. Factory xeem daim ntawv pov thawj yog xa nrog cov khoom.
Q: Kuv puas tuaj yeem muaj qee qhov qauv ua ntej xaj?
A: Yog lawm, tau kawg. kuaj dawb tab sis koj yuav tsum them tus xa khoom.
Q: Peb puas tuaj yeem tuaj xyuas koj lub tuam txhab?
A: Tau kawg. Peb zoo siab tau muaj koj nyob hauv Suav teb.
Q: Yam tsawg kawg nkaus Order Quantity yog dab tsi?
A: Tsis muaj MOQ.
Q: Cov nqe lus them nqi yog dab tsi?
A: T / T, L / C, Western Union, thiab lwm yam.
Q: Cov tuam ntxhab twg tuaj yeem muab ASTM A312 317L stainless hlau kav?
A: Peb, Zhengzhou Huitong Pipeline Equipment Co., LTD., yog cov kws tshaj lij ntawm cov kav dej stainless. Peb tuaj yeem txiav cov kav dej raws li koj cov duab kos thiab muab cov ntaub ntawv pov thawj (MTC).
Q: Dab tsi yuav tsum xav txog thaum yuav S31703 kav?
A: Cov ntaub ntawv pov thawj (MTC), thib peb-cov ntaub ntawv kuaj xyuas tog, daim ntawv pov thawj Hoobkas (ISO), thiab lwm yam.
Hais txog Zhengzhou Huitong Pipeline Equipment Co., LTD.
HT PIPE yog ib tug zoo-paub stockist thiab exporter. Peb yog cov khoom siv stainless / carbon / npib tsib xee alloy khoom xa 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. Tiv tauj 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 Xya hli ntuj 28, 2026 (Beijing Sijhawm)
Cim npe nrov: 317L Stainless Hlau Yeeb Nkab|Seamless & Welded Supplier, Tuam Tshoj, manufacturers, hoobkas, nqe, customized
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