Chrome Moly Pipe (ASTM A335)|Alloy Steel Seamless Pipes Chaw muag khoom|P5 P9 P11 P22 Qib
Chrome moly yeeb nkab (chromium molybdenum alloy steel yeeb nkab)yog lub zog siab -ASTM A335 Cov Lus Qhia Tshwj Xeebsteel yeeb nkab tsim los rau siab heev - kub thiab siab - kev siv siab nyob rau hauv kev lag luam xws li roj & roj, petrochemical ua, thiab fais fab
tiam. Nws muaj chromium (Cr) thiab molybdenum (Mo) ua cov ntsiab lus tseem ceeb ntawm cov alloying, uas ua rau kom oxidation tsis kam, creep zog, thiab ntev - lub sij hawm txhua yam stability nyob rau hauv siab kub.
Piv nrog cov qauv carbon steel yeeb nkab,chrome moly tubemuab cov kev ua tau zoo tshaj plaws hauv qhov chaw ua haujlwm hnyav, ua rau nws nyiam cov khoom siv rau cov tshuab tseem ceeb xws li cov kav dej ua kom zoo, cov raj boiler, superheaters, thiab siab - cov kab hluav taws xob siab. Cov qib uas muaj xws liP5, P9, P11, P22, thiab P91,txhua tus engineered rau qhov sib txawv kub thiab siab xav tau.
Raws li tus kws tshaj lij chrome moly yeeb nkab xa khoom, peb muab tag nrho - ntau yamASTM A335 alloy hlauseamless kav nrog kev tswj xyuas nruj, thib peb-kev tshuaj xyuas, thiab lub peev xwm xa tawm thoob ntiaj teb rau EPC thiab cov phiaj xwm kev lag luam thoob ntiaj teb.
Chrome Moly Pipe yog dab tsi?
Chrome moly yeeb nkab (luv rauchromium molybdenum alloy steel yeeb nkab) yog hom siab -kev ua tau zoo seamless steel yeeb nkab ua nrog chromium (Cr) thiab molybdenum (Mo) ua cov ntsiab lus tseem ceeb alloying. Nws yog tsuas yog tsim nyob rau hauv cov qauv xws liASTM A 335 / ASME SA335 / ASTM A335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASME SA335), thiab yog tsim los rau siab - kub thiab siab - siab muaj kev lag luam ib puag ncig.
Cov kav dej no tau siv dav hauv kev lag luam uas cov pa roj carbon zoo tib yam tsis tuaj yeem ua tau zoo, tshwj xeeb hauvroj & roj refineries, fais fab nroj tsuag, petrochemical systems, thiab boiler systems.
-
![ASTM A 691 1-1 / 4cr yeeb nkab]()
ASTM A 691 1-1 / 4cr yeeb nkabTxheem thiab qib: ASTM 691 1-1 / 4cr, 2-1 / 4Cr, 2Cr, 9Cr, 91. Khoom Hom: Chrome Moly Welded Yeeb Nkab. Cov Hom Hom: EFW Hluav Taws Xob: EFW Hluav Taws Xob Kev Siv Hluav Taws Xob|{fusion {{1} welded. -
![ASTM A335 P91 YEEB NKAB]()
ASTM A335 P91 YEEB NKABTxheem thiab qib: ASTM A335 / ASME SA335 qib P91. Khoom Hom: Chrome Moly Alloy. Hom Khoom Raug: Seamless Kub dov. Qhov ntau thiab tsawg xyoo: 1/2 rau 24 DN25 rau DN600. Phab Ntsa Thickness: Sch 40, -
![ASTM A335 P5 YEEB]()
ASTM A335 P5 YEEBChrome Moly Yeeb: AFTM A335 / ASME SA335 Qib P5. Hom Fabrication: Seamless Hlau Yeeb Nkab. Chrome cov ntsiab lus 4.00% rau 6.00%, Molybdenum 0.45 rau 0.65%.. Muab ntau yam: 1/2 rau 36 DN25 rau DN900. -
![ASTM A335 P22 Yeeb Nkab (2.25Cr-1Mo Chrome Moly Steel) - Loj, Specification, Nqe, SCH40 SCH80 Chaw tsim khoom]()
ASTM A335 P22 Yeeb Nkab (2.25Cr-1Mo Chrome Moly Steel) - Loj, Specification, Nqe, SCH40...ASTM A335 P22 / ASME SA335 Qib P22. Chrome Moly Alloy Yeeb Nkab Seamless. Seamless yeeb nkab los ntawm kub dov los yog txias kos nrog cua sov kom zoo. Loj: 1/2 - 24. Phab ntsa thickness: SCH 40, SCH -
![ASTM A335 P11 Yeeb Nkab|Chrome Moly Alloy Steel Seamless Pipe Chaw Muag Khoom|SA335 P11]()
ASTM A335 P11 Yeeb Nkab|Chrome Moly Alloy Steel Seamless Pipe Chaw Muag Khoom|SA335 P11Khoom npe: ASTM A335 P11 Yeeb Nkab / ASME SA335 P11 Yeeb Nkab. Khoom Qib: P11 / 1.25Cr-0.5Mo / UNS K11597. Tube Hom: Seamless Alloy Steel Yeeb Nkab. Txuj: ASTM A335 / ASME SA335. Qhov Loj: NPS 1/2 -
![ASTM A335 P9 Yeeb Nkab|Chrome Moly Alloy Steel Pipe Chaw Muag Khoom|High Temperature Seamless Yeeb Nkab]()
ASTM A335 P9 Yeeb Nkab|Chrome Moly Alloy Steel Pipe Chaw Muag Khoom|High Temperature Se...Khoom npe: ASTM A335 P9 Pipe. Kuj Paub Raws li: Chrome Moly Pipe / Alloy Steel Pipe P9. Hom: Seamless Ferritic Alloy Steel Yeeb Nkab. Txuj: ASTM A335 / ASME SA335. Daim ntaub ntawv: Refinery /
Chrome Moly Pipe Qib (P Qib Txheej Txheem)
| Qib | Khoom siv | Max Temp | Daim ntawv thov |
|---|---|---|---|
| P5 | 5Cr-0.5Mo | ~ 600 degree | Lub tshuab hluav taws xob |
| P9 | 9Cr-1Mo | ~ 620 degree | Chav kab |
| P11 | 1.25Cr-0.5Mo | ~ 600 degree | Boilers |
| P22 | 2.25Cr-1Mo | ~ 600 degree | Cov nroj tsuag muaj zog |
| P91 | 9Cr-1Mo-V | ~ 650 degree | Ultra{0}}supercritical |
Chrome Moly Pipe Size Range (ASTM A335) - Daim Ntawv Qhia Tag Nrho
| NPS (Inch) | DN (hli) | Sab nraud txoj kab uas hla (mm) | SCH 10 WT (hli) | SCH 40 WT (hli) | SCH 80 WT (hli) | SCH 160 WT (hli) | XXS WT (mm) |
|---|---|---|---|---|---|---|---|
| 1/8" | DN 6 | 10.3 | 1.24 | 1.73 | 2.41 | 3.02 | 3.02 |
| 1/4" | DN 8 | 13.7 | 1.65 | 2.24 | 3.02 | 3.56 | 3.56 |
| 3/8" | DN 10 | 17.1 | 1.65 | 2.31 | 3.20 | 4.01 | 4.01 |
| 1/2" | DN15 | 21.3 | 2.11 | 2.77 | 3.73 | 4.78 | 7.47 |
| 3/4" | DN 20 | 26.7 | 2.11 | 2.87 | 3.91 | 5.56 | 7.82 |
| 1" | DN 25 | 33.4 | 2.77 | 3.38 | 4.55 | 6.35 | 9.09 |
| 1 1/4" | DN 32 | 42.2 | 2.77 | 3.56 | 4.85 | 6.35 | 9.70 |
| 1 1/2" | DN40 | 48.3 | 2.77 | 3.68 | 5.08 | 7.14 | 10.15 |
| 2" | DN 50 | 60.3 | 2.77 | 3.91 | 5.54 | 8.74 | 11.07 |
| 2 1/2" | DN 65 | 73.0 | 3.05 | 5.16 | 7.01 | 9.53 | 14.02 |
| 3" | DN 80 | 88.9 | 3.05 | 5.49 | 7.62 | 11.13 | 15.24 |
| 3 1/2" | DN90 ua | 101.6 | 3.05 | 5.74 | 8.08 | 12.70 | 15.24 |
| 4" | DN100 | 114.3 | 3.05 | 6.02 | 8.56 | 13.49 | 17.12 |
| 5" | DN125 | 141.3 | 3.40 | 6.55 | 9.53 | 15.88 | 19.05 |
| 6" | DN150 | 168.3 | 3.40 | 7.11 | 10.97 | 18.26 | 21.95 |
| 8" | DN200 | 219.1 | 3.76 | 8.18 | 12.70 | 20.62 | 23.01 |
| 10" | DN250 | 273.0 | 4.19 | 9.27 | 15.09 | 25.40 | 28.58 |
| 12" | DN300 Nws | 323.9 | 4.57 | 10.31 | 17.48 | 28.58 | 33.32 |
| 14" | DN350 ua | 355.6 | 6.35 | 11.13 | 19.05 | 31.75 | 35.71 |
| 16" | DN400 | 406.4 | 6.35 | 12.70 | 21.44 | 36.53 | 40.49 |
| 18" | DN450 | 457.2 | 6.35 | 14.27 | 23.83 | 39.67 | 45.24 |
| 20" | DN500 | 508.0 | 6.35 | 15.09 | 26.19 | 44.45 | 50.01 |
| 24" | DN 600 Nws | 609.6 | 6.35 | 17.48 | 30.96 | 52.37 | 59.54 |
Chrome Moly Pipe Weight Chart
| NPS (Inch) | OD (mm) | SCH 10 | SCH40 | SCH 80 | TIAB SA 160 | XXS |
|---|---|---|---|---|---|---|
| 1/2" | 21.3 | 0.85 | 1.27 | 1.80 | 2.70 | 4.50 |
| 3/4" | 26.7 | 1.14 | 1.69 | 2.50 | 3.50 | 5.80 |
| 1" | 33.4 | 1.70 | 2.50 | 3.80 | 5.40 | 7.90 |
| 1 1/4" | 42.2 | 2.20 | 3.39 | 5.10 | 7.30 | 10.50 |
| 1 1/2" | 48.3 | 2.80 | 4.05 | 6.20 | 8.90 | 12.80 |
| 2" | 60.3 | 3.60 | 5.40 | 8.40 | 12.20 | 17.10 |
| 2 1/2" | 73.0 | 5.30 | 8.00 | 12.10 | 17.60 | 24.50 |
| 3" | 88.9 | 7.30 | 11.30 | 17.00 | 25.10 | 34.80 |
| 4" | 114.3 | 10.80 | 16.10 | 24.70 | 36.80 | 50.90 |
| 5" | 141.3 | 15.30 | 23.40 | 36.10 | 54.20 | 74.30 |
| 6" | 168.3 | 20.30 | 31.50 | 49.00 | 74.00 | 101.50 |
| 8" | 219.1 | 31.30 | 49.60 | 79.30 | 119.00 | 162.00 |
| 10" | 273.0 | 43.40 | 64.10 | 102.00 | 155.00 | 210.00 |
| 12" | 323.9 | 55.80 | 83.00 | 131.00 | 201.00 | 270.00 |
| 14" | 355.6 | 70.00 | 98.00 | 158.00 | 242.00 | 320.00 |
| 16" | 406.4 | 84.00 | 124.00 | 197.00 | 305.00 | 410.00 |
| 18" | 457.2 | 100.00 | 150.00 | 238.00 | 360.00 | 485.00 |
| 20" | 508.0 | 122.00 | 180.00 | 287.00 | 430.00 | 580.00 |
| 24" | 609.6 | 165.00 | 245.00 | 390.00 | 590.00 | 790.00 |
Chrome Moly Pipe vs Carbon Steel Yeeb Nkab
| Yam | Chrome Moly Pipe (ASTM A335) | Carbon Steel Yeeb Nkab |
|---|---|---|
| Hom khoom | Alloy hlau (Cr-Mo) | Cov pa roj carbon steel |
| Lub ntsiab lus | Fe + Cr + Mo | Fe + C |
| High Temperature Performance | ⭐⭐⭐⭐⭐ Zoo heev, ruaj khov nyob rau hauv ntev -lub sij hawm kub kub kev pab cuam | ⭐⭐ Txwv, lub zog txo qis ntawm qhov kub thiab txias |
| Kev Ua Haujlwm Siab Siab | ⭐⭐⭐⭐⭐ Haum rau siab & ultra{0}}siab siab tshuab | ⭐⭐⭐ Haum rau qhov siab qis mus rau nruab nrab |
| Creep Resistance | ⭐⭐⭐⭐⭐ Zoo heev (qhov tseem ceeb kom zoo dua) | ⭐ pluag |
| Oxidation Resistance | ⭐⭐⭐⭐ Zoo (vim cov ntsiab lus chromium) | ⭐⭐ Tsis muaj zog, nquag oxidation thiab scaling |
| Kev khiav hauj lwm qhov kub thiab txias | Kev pab kub kub (≈450-600℃nyob ntawm qib) | Tsawg mus rau nruab nrab kub (<400°C) |
| Siab Daim Ntawv Thov Qib | Siab -siab / tseem ceeb systems | Tsawg mus rau nruab nrab siab tshuab |
| Tej kev siv | Fais fab nroj tsuag, boilers, superheaters, refineries, petrochemical nroj tsuag | Cov kav dej, cov kav dej ua ke, kev siv dav dav |
| Vuam Requirements | Yuav tsum tau preheating + PWHT (Post Weld Thaum tshav kub kub kho) | Yooj yim rau weld |
| Kev Pabcuam Lub Neej | Lub neej ua haujlwm ntev hauv qhov chaw hnyav | Nruab nrab mus rau luv luv hauv kev xav tau |
| Nqi | Siab 💰💰💰 | qis 💰 |
| Cov qauv | ASTM A 335 / ASME SA335 / ASTM A335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASME SA335) | ASTM A53 / ASTM A106 / API 5L |
Chrome Moly Yeeb Nkab (Alloy Steel Pipe)→ Tsim los rau siab - kub, siab - siab, thiab kev siv tseem ceeb
Carbon Steel Yeeb Nkab→ Tsim nyog rau - lub hom phiaj, qis- tus nqi, thiab tsis yog - cov kav dej tseem ceeb
Daim ntawv thov ntawm Chrome Moly Pipe
⚡ 1. Kev lag luam tsim hluav taws xob (Power Plants)
Chrome moly kav yog siv dav hauv thermal thiab nuclear fais fab nroj tsuag.
Boiler superheater tubes
Reheater tubes
Main cov kav dej
Siab -siab qhov chaw faib tshuab
Feedwater cua sov systems
👉 Qhov txiaj ntsig tseem ceeb: Kev nkag siab zoo heev nyob rau hauv qhov siab tsis tu ncua - qhov kub thiab txias.
🔥 2. Boiler & Heat Exchanger Systems
Dav siv nyob rau hauv industrial boilers thiab thermal zog hloov khoom siv.
Muaj boiler tubing
Thaum tshav kub kub exchanger tubes
Economizer systems
Chav generator piping
Rauv cua sov rov qab systems
👉 Qhov txiaj ntsig tseem ceeb: Kev ua haujlwm siab oxidation thiab kev pab lub neej ntev nyob rau hauv ib puag ncig thermal cycling.
🛢 3. Kev Lag Luam Roj & Roj Refinery
Siv nyob rau hauv upstream thiab downstream roj refining ua hauj lwm.
Refinery txheej txheem piping systems
Siab -kub hydrocarbon thauj kab
Catalytic cracking units
Desulfurization units
Siab - cov txheej txheem siab
👉 Qhov txiaj ntsig tseem ceeb: Kev ua haujlwm ruaj khov nyob rau hauv corrosive thiab siab - qhov kub thiab txias.
🧪 4. Petrochemical Kev Lag Luam
Cov khoom tseem ceeb rau kev ua tshuaj lom neeg thiab siab -kub tshuaj tiv thaiv kab mob.
Chemical reactor piping
Cracking furnace systems
Cov txheej txheem cua sov kav
Siab - cov kab hloov tshuaj lom neeg
Industrial processing units
👉 Qhov txiaj ntsig tseem ceeb: Ua rau cov thermal stress thiab tshuaj lom neeg raug.
⚙ 5. Muaj Rauv & Thermal Systems
Siv nyob rau hauv hnyav -lub luag haujlwm thermal ua ib puag ncig.
Muaj cua sov
Kiln piping systems
Cov khoom siv kho cua sov
Thermal processing nroj tsuag
Lub zog rov qab systems
👉 Qhov txiaj ntsig tseem ceeb: Ua kom muaj zog thiab ruaj khov nyob rau hauv cov cua kub heev.
🏭 6. Siab -Npaum Chav & Lub Zog Hluav Taws Xob
Qhov tseem ceeb rau kev thauj mus los ntawm lub zog thiab lub zog siab.
Siab -cov kav dej siab
Fais fab nroj tsuag auxiliary piping systems
Industrial steam tis networks
Pressure hlab ntsha txuas piping
👉 Qhov txiaj ntsig tseem ceeb: Kev nyab xeeb ntev - lub sijhawm ua haujlwm nyob rau hauv siab thiab kub.
Kev tshuaj xyuas & Kev Tswj Xyuas Zoo ntawm Chrome Moly Pipe (ASTM A335)
Chrome Moly Pipes (ASTM A335 / ASME SA335) yog siv rau hauvhigh -kub thiab siab -siab tseem ceeb systems, nruj heevKev tshuaj xyuas thiab kev tswj xyuas zoo (QC)yog qhov tseem ceeb los xyuas kom muaj kev nyab xeeb, kev cia siab, thiab kev ua haujlwm ntev.
🧪 1. Raw Material Inspection
Ua ntej ntau lawm, tag nrho cov ntaub ntawv raw yog nruj me ntsis xyuas:
Kev txheeb xyuas tshuaj muaj pes tsawg leeg (Cr, Mo cov ntsiab lus tswj)
Cov ntaub ntawv pov thawj qib (P5, P9, P11, P22, P91)
Kev tshuaj xyuas qhov zoo
Thaum tshav kub kub naj npawb traceability xyuas
👉 Ua kom tau raws li ASTM A335 qhov yuav tsum tau ua txij thaum pib.
🔥 2. Kev kuaj tshuaj lom neeg
Txhua batch raug kuaj kom paub meej tias cov ntsiab lus alloy:
Carbon (C), Chromium (Cr), Molybdenum (Mo)
Manganese (Mn), Silicon (Si), Sulfur (S), Phosphorus (P)
Spectrochemical tsom xam (SPECTRO / OES xeem)
👉 Guarantees raug alloy tshuav nyiaj li cas rau siab -kub kev ua haujlwm.
⚙ 3. Kev Ntsuas Cov Khoom Siv Hluav Taws Xob
Los xyuas kom meej lub zog thiab durability:
Tensile zog xeem
Yield zog test
Kev kuaj elongation
Hardness Test (raws li xav tau)
👉 Ua kom cov kav dej ua tau raws li ASTM A335 cov qauv siv tshuab.
🔥 4. Kev kho cua sov
Kev kho cua sov yog qhov tseem ceeb rau cov kav dej chrome moly:
normalizing
Tempering
Annealing (nyob ntawm qib)
👉 Ua kom zoo microstructure rau creep kuj thiab stability.
📡 5. Tsis yog-Kev Ntsuam Xyuas Kev Puas Tsuaj (NDT)
100% los yog yuav tsum tau soj ntsuam feem pua:
Ultrasonic Testing (UT) - qhov tsis xws luag sab hauv
Eddy Tam sim no Testing (ECT) - qhov tsis xws luag
Radiographic Testing (RT) - kev soj ntsuam vuam (yog muaj)
Sib Nqus Particle Test (MT)
👉 Ua kom muaj qhov tsis zoo -dawb seamless yeeb nkab qauv.
💧 6. Hydrostatic Test
Txhua lub yeeb nkab raug kuaj xyuas:
High - ntsuas dej siab
Kev kuaj pom pom
Kev ruaj ntseg tuav pov thawj
👉 Ua kom muaj kev nyab xeeb raws li kev ua haujlwm tiag tiag.
📏 7. Dimensional Inspection
Kev tswj nruj nruj:
Sab nraud txoj kab uas hla (OD)
Phab ntsa thickness (WT)
Ntev ntev
Kev ncaj
Ovality
👉 Ua kom muaj kev sib raug zoo nrog cov kav dej thiab fittings.
📦 8. Kev Tshawb Fawb Txog Kev Pom Zoo Kawg & Nto
Ua ntej khoom xa tuaj:
Deg defects check (kawg, xeb, khawb)
Xaus kev tshuaj ntsuam xyuas (beveled/plain xaus)
Kev txheeb xyuas qhov cim (qib, cua sov tooj, loj)
Kev tshuaj xyuas ntim
📄 9. Certification & Documentation
Txhua qhov khoom xa tuaj suav nrog cov ntaub ntawv tag nrho:
Mill Test Certificate (MTC EN 10204 3.1) / 3.2)
Chemical & mechanical test reports
Daim ntawv qhia txog qhov kub thiab txias
Cov ntaub ntawv soj ntsuam (sab hauv / thib peb-tog)
Kev xaiv thib peb-kev soj ntsuam tog (SGS / BV / TUV)
Xi'an Dongmeng Group Co., Ltd. yog ib qho ntawm chrome moly yeeb nkab (astm a335) manufacturers thiab lwm tus neeg nyob hauv Suav teb. Peb sov siab txais tos koj mus yuav los yog lag luam wholesale pheej yig chrome moly yeeb nkab (astm a335) hauv Tshuag ntawm no los ntawm peb lub hoobkas. Tag nrho cov khoom customized yog nrog cov khoom zoo thiab cov nqi sib tw. Rau cov qauv dawb, tiv tauj peb tam sim no.
Cov Khoom Nrov
