Yog tias koj xav paub ntau ntxiv, xws li kev hais nqe, cov khoom lag luam, cov kev daws teeb meem, thiab lwm yam, pdaim ntawv xauj tsevtiv tauj peb hauv online.
Tianjin Sanon Steel Pipe Co., Ltd. yog tus muag khoom. Peb lub Hoobkas Tshuag nyob hauv Cangzhou City, Hebei Xeev. Peb cov khoom tseem ceeb yogcov kav dej boiler, thiab cov ntaub ntawv sawv cev yogASTM A335 P5/P11/P91/P92,ASME SA-106/SA-106MGR.B,GB/T 3087-200810 # / 20 #. Cov ntaub ntawv sawv cev ntawm cov kav dej yogAPI 5L,API 5CT, cov ntaub ntawv sawv cev ntawm cov kav dej tawg roj avGB/T 9948yog 15MoG/12CrMoVGGB/T 6479-2013 sawv cev rau cov khoom siv 10#/20#, cov raj xa cua sov SA179/SA210/SA192, thiab lwm yam., cov raj xa khoom siv kho tshuab GB/T 8162 sawv cev rau cov khoom siv 10#/20#/Q345/42CrMo, EN10210 sawv cev rau cov khoom siv S355JOH/S355J2H, cov raj xa roj GB1 8248, sawv cev rau cov khoom siv 34CrMo4/30CrMo.
—— Sanonpipe, Koj Tus Neeg Muab Kev Ntseeg Siab rau Boiler thiab Cov Kav Dej Kub Siab Seamless Tubes
I. Kev Taw Qhia Txheem - Lub Pob Zeb Tseem Ceeb ntawm German Industrial Steel Tubes Uas Tiv Thaiv Kub
DIN 17175yog tus qauv kev lag luam German raucov raj xa dej seamless ua los ntawm cov hlau uas tiv taus cua sov, hu ua Cov raj tsis muaj qhov sib txuas ntawm cov hlau uas tiv taus cua sov. Nws siv rau cov raj tsis muaj qhov sib txuas - suav nrog cov raj rau cov taub hau - siv rau hauv kev tsim cov boilers, cov kav dej, cov hlab siab thiab cov khoom siv rau kev pabcuam txog li600 °Cthiab cov siab siab tib lub sijhawm.
Los ntawm kev txhais: "Cov hlau uas muaj cov khoom siv kho tshuab zoo txawm tias nyob rau hauv lub sijhawm ntev ntawm qhov kub siab, txog li 600 ° C, yuav tsum raug suav hais tias yog cua sov-resistant ntawm qhov kub siab." Cov raj yuav tsum tau muab cov khoom siv kho cua sov kom haum rau lawv tag nrho ntev.
Tus qauv no npog tag nrho cov spectrum ntawm9 qib hlau, xws li ntawmcov hlau uas tiv taus cua sov carbonthiabcov hlau uas tsis tshua muaj hlau uas tiv taus cua sov to cov hlau uas tiv taus cua sov martensiticNrog ntau xyoo ntawm keeb kwm siv hauv German thiab European boiler thiab siab-lub nkoj tsim khoom, DIN 17175 tseem yog ib qho kev qhia dav dav rau cov kav dej kub thiab siab.
Lus tseem ceeb:DIN 17175 feem ntau tau hloov los ntawm European harmonised standardEN 10216-2(Cov kav hlau tsis muaj qhov tsis sib xws rau lub hom phiaj siab - Cov xwm txheej xa khoom - Ntu 2: Cov kav hlau tsis yog hlau thiab hlau alloy nrog cov khoom kub siab tshwj xeeb). Txawm li cas los xij, cov qauv qib DIN 17175 tseem siv dav thoob ntiaj teb, thiab ntau lub Hoobkas uas twb muaj lawm, cov qauv tsim qub thiab cov lus qhia txog kev siv tshuab txuas ntxiv hais txog lawv. Sanonpipe tuaj yeem muab cov khoom raws liDIN 17175 lossis EN 10216-2, raws li tus neeg siv khoom xav tau.
II. Cov Chaw Thov - Kev Xaiv Cov Khoom Siv Tseem Ceeb rau Boiler, Fais Fab thiab Petrochemical Kev Lag Luam
DIN 17175 cov raj xa dej tsis muaj seamless feem ntau yog siv rau hauv cov ntawv thov kub thiab siab hauv qab no:
| Thaj Chaw Thov | Kev Siv Tshwj Xeeb | Cov xwm txheej ua haujlwm |
| Kev tsim kho boiler | Cov nplaim cua sov, cov kav dej phab ntsa, cov kav dej txuag hluav taws xob ntawm cov boilers siab | Txog li 600 ° C, cov pa dej siab |
| Cov kav dej ua pa | Cov kav dej ua pa loj, cov kav dej rov ua kom sov, cov taub hau | Kub thiab siab, kev pabcuam mus sij hawm ntev |
| Cov hlab ntsha siab | Cov hlab ntsha siab thiab cov khoom siv kub siab | Siab + kub siab |
| Kev tsim hluav taws xob | Lub zog hluav taws xob thiab cov kav dej nuclear | Cov khoom tseem ceeb ntawm kev pabcuam |
| Kev lag luam roj av | Cov kav dej kub thiab txias, cov khoom sib pauv cua sov | Kub siab + corrosive media |
Raws li Tshooj 4 ntawm tus qauv, kev xaiv qib hlau yog nyob ntawm qhov kev txiav txim siab ntawm tus neeg siv khoom. Sanonpipe tuaj yeem muab cov lus qhia xaiv cov khoom siv tshaj lij raws li cov neeg siv khoom cov kev ua haujlwm tshwj xeeb.
III. Cov Qib Khoom Siv - Kev Them Tag Nrho ntawm Cuaj Hlau
DIN 17175 npog9 qib hlau, xws li cov hlau carbon mus rau cov hlau alloyed thiab los ntawm cov hlau tiv taus cua sov ib txwm mus rau cov hlau tiv taus cua sov martensitic:
| Qib Hlau | Khoom siv tsis muaj. | Hom | Cov yam ntxwv tseem ceeb |
| St35.8 | 1.0305 | Cov pa roj carbon uas tiv taus cua sov | Qib yooj yim rau cov raj boiler dav dav |
| St45.8 | 1.0405 | Cov pa roj carbon uas tiv taus cua sov | Feem ntau siv dav, muaj zog dua li St35.8 |
| 17 Mn 4 | 1.0481 | Cov hlau tsis tshua muaj zog tiv taus cua sov | Mn-strengthened, muaj zog dua |
| 19 Mn 5 | 1.0482 | Cov hlau tsis tshua muaj zog tiv taus cua sov | Mn-strengthened, muaj zog dua |
| 15 Lub Hlis 3 | 1.5415 | Molybdenum tiv taus cua sov | Muaj Mo, cov khoom zoo heev rau kev nkag mus |
| 13 CrMo 4 4 | 1.7335 | Cr-Mo tiv taus cua sov | Cov hlau raj boiler ib txwm muaj, tiv taus cua sov zoo dua |
| 10 CrMo 9 10 | 1.7380 | Cr-Mo tiv taus cua sov | Cov ntsiab lus Cr-Mo siab dua, tsim nyog rau qhov kub siab dua |
| 14 MoV 6 3 | 1.7715 | Mo-V tiv taus cua sov | Muaj Mo thiab V, ua kom zoo dua qhov kub thiab txias |
| X20 CrMoV 12 1 | 1.4922 | Martensitic tiv taus cua sov | Cov ntsiab lus siab tshaj plaws ntawm cov hlau sib xyaw, qhov kub siab tshaj plaws ntawm kev pabcuam 650 ° C |
IV. Cov Lus Piav Qhia Txog Cov Qib Hlau Tseem Ceeb
4.1 St45.8 (Khoom Siv No. 1.0405) - Cov Hlau Carbon Uas Tiv Thaiv Kub Uas Siv Tau Ntau Tshaj Plaws
St45.8 yog qib hlau uas tiv taus cua sov uas siv ntau tshaj plaws hauv DIN 17175. "St" sawv cev rau Stahl (hlau), thiab "45" qhia txog qib zog tensile ntawm kwv yees li 450 MPa.
Cov Tshuaj Muaj pes tsawg leeg (%):
| Khoom | Cov Ntsiab Lus St45.8 | Cov Lus Cim |
| C | ≤ 0.21 | Ua kom muaj kev sib npaug ntawm lub zog thiab kev tawv nqaij |
| Si | 0.10 – 0.35 | Txhim kho oxidation thiab cua sov tsis kam |
| Mn | 0.40 – 0.80 | Ua kom muaj zog thiab tawv dua |
| P | ≤ 0.020 | Tswjhwm nruj kom lav qhov kub thiab txias siab |
| S | ≤ 0.020 | Tswjhwm nruj rau kev ua haujlwm kub |
Cov Khoom Siv Kho Tshuab:
| Vaj tse | Tus nqi |
| Lub zog tensile (σb) | 410 – 530 MPa |
| Lub zog tawm los (σs) | ≥255 MPa |
| Kev ntev (δ5) | ≥ 21% |
Qhov kub thiab txias uas pom zoo:≤ 500 °C (cov hlau carbon yuav graphite thaum ua haujlwm siab tshaj 450 °C rau lub sijhawm ntev)
Cov Qib Sib Npaug Thoob Ntiaj Teb:
| Tus Qauv | Qib Sib Npaug |
| Tuam Tshoj (GB) | 20G(GB 5310) |
| Tebchaws Meskas (ASTM) | A106 Qib B |
| Nyiv Pooj (JIS) | STB42 |
| Tebchaws Europe (EN) | P235GH(EN 10216-2) |
4.2 Cov Hlau Uas Tiv Thaiv Kub Alloy Series (15Mo3 / 13CrMo44 / 10CrMo910)
| Qib Hlau | Khoom siv tsis muaj. | Cov Ntsiab Lus Tseem Ceeb ntawm Alloying | Kub thiab txias rau kev pabcuam | Daim Ntawv Thov Ib Txwm Muaj |
| 15Mo3 | 1.5415 | Mo | ≤ 550 ° C | Cov Boiler superheaters, reheaters |
| 13CrMo44 | 1.7335 | Cr-Mo | ≤ 580 ° C | Cov raj xa dej siab siab, cov kav dej ua pa |
| 10CrMo910 | 1.7380 | Cr-Mo | ≤ 600 ° C | Cov kav dej kub thiab siab |
4.3 X20CrMoV121 (Khoom Siv No. 1.4922) - Qib Kub Tshaj Plaws
X20CrMoV121 yog qhov sib txawv ntawm cov khoom siv sib txawv.qhov kub siab tshaj plaws thiab qhov kub siab tshaj plaws rau kev pabcuamhlau hauv DIN 17175. Cov yam ntxwv tseem ceeb:
Qhov kub siab tshaj plaws rau kev pabcuam: 650 °C
Hom khoom siv:Martensitic hlau uas tiv taus cua sov
Cov khoom tseem ceeb:Cov ntsiab lus siab ntawm cov hlau nplaum muab lub zog nkag mus zoo heev thiab tiv taus pa oxidation
Kev vuam tau:Yuav tsum muaj cov txheej txheem tshwj xeeb (preheating + post-weld heat treatment)
Cov ntawv thov ib txwm muaj:Cov chav kub/siab siab hauv cov chaw tsim hluav taws xob thermal uas xa tuaj txawv teb chaws - cov kav dej loj, cov tshuab ua kom sov siab, cov tshuab ua kom sov dua, thiab lwm yam khoom tseem ceeb
V. Cov Qib Zoo - Qib I thiab Qib III
DIN 17175 txhaisob qib zoo: Qib IthiabQib III.
| Qib Zoo | Cov Cai Siv Tau | Cov Kev Cai Rau Kev Xeem | Cov Ntawv Thov Ib Txwm Muaj |
| Qib I | Kub ≤ 450 ° C, siab ≤ 80 bar | Kev ntsuam xyuas yooj yim | Cov boilers uas muaj qhov siab tsawg mus rau nruab nrab |
| Qib III | Kub > 450 ° C lossis siab > 80 bar | Kev ntsuam xyuas nruj dua(100% NDT, kev ntsuam xyuas lub nplhaib ntau zaus) | Cov boilers siab, cov superheaters, thiab cov reheaters |
Rau cov kav hlau carbon (St35.8, St45.8), ob qho tib si Qib I thiab Qib III siv tau; rau cov kav hlau alloy,tsuas yog Qib III xwbsiv tau.
VI. Cov Txheej Txheem Tsim Khoom thiab Kev Ntsuas
6.1 Cov Txheej Txheem Tsim Khoom
Raws li Tshooj 6.1.1, cov raj xa dej yuav raug tsim los ntawmkub los yog txias dov, kub nias, kub los yog txias kos duabCov txheej txheem tshwj xeeb nyob ntawm qhov ntev thiab daim ntawv thov uas xav tau.
6.2 Kev Kho Mob Kub
Cov kav dej yuav tsum tau muab kho kom sov rau tag nrho lawv qhov ntev. Nyob ntawm hom hlau, cov kev kho cua sov hauv qab no yuav siv tau:
Kev ua kom zoo li qub(rau cov hlau carbon St35.8, St45.8)
Kev ua kom sov subcritical
Hardening thiab tempering(rau cov hlau alloy)
Rau 13CrMo44 thiab 10CrMo910, kev ua kom sov ib leeg xwb yuav txaus nyob rau hauv qee qhov xwm txheej. Cov hlau 14MoV63 thiab X20CrMoV121yuav tsumyuav tsum tau muab rau hauv qhov mob hardened thiab tempered.
6.3 Kev Ntsuas Tsis Ua Rau Puas Tsuaj (NDT)
RauQib III raj, tus qauv yuav tsum muaj:
100% NDT(kev kuaj ultrasonic) rau cov teeb meem longitudinal
Kev kuaj ntxiv rau cov qhov tsis zoo thiab / lossis laminations yuav raug pom zoo
6.4 Kev Ntsuas Lub Nplhaib
Cov raj qib III raug rau kev ntsuam xyuas lub nplhaib, suav nrog:
Kev sim ua kom lub nplhaib tiaj tiaj
Kev sim nthuav dav ntawm lub nplhaib
Kev ntsuam xyuas lub nplhaib
Rau cov raj Qib III nrog sab nraud txoj kab uas hla ≤ 51 hli,20%ntawm qhov ntev dov raug sim; rau cov uas > 51 hli,ob qho kawg ntawm txhua qhov ntev dovraug kuaj xyuas lub nplhaib.
VII. Cov Qauv Sib Npaug Thoob Ntiaj Teb
DIN 17175 muaj ntau tus qauv sib npaug lossis hloov pauv tau thoob ntiaj teb:
| Txheej Txheem Txheem | Tus Qauv Sib Xws | Cov Lus Cim |
| Tebchaws Europe (EN) | EN 10216-2 | Kev hloov pauv ncaj qha (cov raj xa dej kub siab tsis muaj qhov txuas) |
| Tebchaws Meskas (ASTM) | ASTM A106 / A213 / A335 | Cov raj xa dej kub tsis muaj qhov txuas |
| Tuam Tshoj (GB) | GB 5310(cov raj boiler siab siab) | Tus qauv tshwj xeeb ntawm lub raj boiler |
| Tuam Tshoj (GB) | GB 3087 (cov raj boiler siab qis / nruab nrab) | Cov raj boiler siab qis/nruab nrab |
| UK (BS) | BS 3059 / BS 3602 | Cov qauv ntawm cov raj boiler |
| Fabkis (NF) | NF A 49-213 | Cov raj xa dej kub tsis muaj qhov txuas |
VIII. Cov Lus Qhia Ceev - Cov Qib Sib Npaug Thoob Ntiaj Teb ntawm Cov Qib Tseem Ceeb DIN 17175
| DIN 17175 Qib | Khoom siv tsis muaj. | Tuam Tshoj GB | Tebchaws Meskas ASTM | Tebchaws Europe EN |
| St35.8 | 1.0305 | 20G (kwv yees li) | A106 Qib A | P235GH |
| St45.8 | 1.0405 | 20G | A106 Qib B | P235GH |
| 17Mn4 | 1.0481 | Q345 | — | — |
| 19Mn5 | 1.0482 | Q390 | — | — |
| 15Mo3 | 1.5415 | 15MoG | A209 T1a | — |
| 13CrMo44 | 1.7335 | 15CrMoG | A213 T12 | 13CrMo4-5 |
| 10CrMo910 | 1.7380 | 12Cr2MoG | A213 T22 | 10CrMo9-10 |
| 14MoV63 | 1.7715 | — | — | — |
| X20CrMoV121 | 1.4922 | — | — | — |
IX. Vim li cas ho xaiv Sanonpipe?
| Peb Qhov Zoo | Kev Piav Qhia Txog |
| Kev txawj ntse txheem | Kev nkag siab tob txog DIN 17175 thiab EN 10216-2 - peb txhais thiab siv txhua yam uas yuav tsum tau ua kom raug |
| Kev lees paub khoom siv | Kev pab them tag nrho los ntawm St35.8 mus rau X20CrMoV121; daim ntawv pov thawj khoom siv tiav (EN 10204 3.1 / 3.2 muaj) |
| Qhov ntau thiab tsawg sib txawv | Kev muab khoom: OD 10–426 hli, WT 1–40 hli - npog txhua qhov kev xav tau ntawm DIN 17175 |
| Kev lav zoo | Muaj peev xwm ua tau raws li qib I thiab qib III qhov yuav tsum tau ua - 100% NDT rau cov raj qib III |
| Kev xa khoom sai | 20,000 tonnes ntawm cov khoom lag luam tsis tu ncua; cov xaj ceev xa tuaj tsis pub dhau 7-15 hnub |
| Kev pabcuam puv ntoob | Txij li kev nug thiab kev piav qhia txog kev siv tshuab, mus rau kev hais nqe, cov ntaub ntawv thiab kev xa khoom - kev xa khoom ib zaug xwb |
| Kev cog lus tsis muaj kev pheej hmoo | 240+ qhov chaw kuaj xyuas kev tswj xyuas zoo sab hauv; tsis muaj qhov sib txawv hauv cov ntaub ntawv sau tseg |
| Kev txhawb nqa kev ua raws li CBAM | Kev pab txhawb nqa kev npaj cov ntaub ntawv carbon footprint ntawm cov khoom lag luam kom ua raws li EU Carbon Border Adjustment Mechanism |
X. Tiv Tauj Peb
Sanonpipe mob siab rau kev muab cov neeg siv khoom thoob ntiaj teb nrog cov raj xa dej zoo uas ua tau raws li DIN 17175 cov lus qhia. Txawm tias koj xav tau cov raj boiler, cov raj superheater, cov kav dej lossis cov raj xa dej siab, peb muab kev txhawb nqa kev tshaj lij thiab kev daws teeb meem yooj yim.
Piv txwv li kev txiav txim ib txwm muaj:
Cov Yeeb Nkab Hlau Tsis Muaj Qhov Txuas 51 × 3.0 DIN 17175 - St45.8 III
Tianjin Sanonpipe Co., Ltd.
+86 22 58658800
info@sanonpipe.com
www.sanonpipe.com
Cov qauv siab · Kev xa khoom sai · Tsis muaj kev pheej hmoo · Ntsuab thiab tsawg carbon
Lub sijhawm tshaj tawm: Lub Xya Hli-10-2026
