Tom ntej: DIN 1629
Full Title:DIN 1629: Seamless ncig steel raj rau cov kev cai tshwj xeeb.
Feature tseem ceeb: Seamlesskev tsim kho, lub ntsiab lus tsis muaj welded seam, ua rau nws muaj zog thiab txhim khu kev qha rau siab.
Kev Siv Tseem Ceeb:Cov hlab ntsha siab, boilers, siab -cov kav dej siab, thiab kev siv tshuab engineering.
Khoom siv:Feem ntau unalloyed carbon steels thiab carbon-manganese steels.
Cov ncauj lus kom ntxaws
1. Scope thiab Daim Ntawv Thov
DIN 1629 npog seamless steel raj uas yog tsim rau cov ntawv thov uas qhov kev ncaj ncees ntawm lub raj yog qhov tseem ceeb. Lawv yog tsim los tiv thaiv sab hauv siab, mechanical loads, thiab siab kub. Cov ntawv thov uas muaj xws li:
Kev tsim hluav taws xob:Boiler tubes, superheater tubes, thiab siab -cov kab siab.
Petrochemical Kev Lag Luam:Cov txheej txheem piping, kub exchangers, thiab cov hlab ntsha siab.
Mechanical Engineering:Hydraulic thooj voos kheej kheej, siab -cov kua dej siab, thiab cov khoom siv nyob rau hauv kev ntxhov siab.
2. Cov khoom siv qib
Tus qauv qhia ntau yam khoom siv, feem ntau raws li tus qauv GermanTIAB SA 17175(rau tshav kub-cov hlau tsis muaj zog) thiab nws cov neeg ua tiav, tus qauv EuropeanTS EN 10216. Cov qib siab tshaj plaws rau carbon steel yog:
35.8 / P235GH:Ib qho qis- carbon steel nrog zoo weldability thiab formability, haum rau qis kub thiab siab cov kev pab cuam.
Txoj Kev 45.8 / P265GH:Ib qho nruab nrab - carbon steel nrog lub zog siab dua St 35.8.
17 Mn 4 / P355GH:Cov pa roj carbon-manganese steel muab cov txiaj ntsig zoo dua thiab lub zog tensile, siv rau kev xav tau ntau dua.
Nco tseg:Nrog rau kev sib haum xeeb ntawm cov qauv European, DIN 1629 tau hloov pauv ntauEN 10216-1 thiab EN 10216-2. Cov ntaub ntawv qib los ntawm DIN tam sim no tau kos npe rau qib sib npaug hauv EN.
| Common DIN 1629 Qib (Cov Qauv Qub) | Sib npaug EN 10216-2 Qib | Cov yam ntxwv tseem ceeb |
|---|---|---|
| ib 35.8 | P235GH | Zoo weldability, tsis tshua muaj kub zog. |
| ib 45.8 | P265GH | Lub zog siab dua P235GH. |
| 17mn 4 | P355GH | High-lub zog carbon-manganese steel. |
3. Cov txheej txheem tsim khoom
Raws li tus qauv, cov raj no yog tsim los siv cov txheej txheem seamless, feem ntau:
Kub Rolling / Forging:Ib lub pob steel hlau yog pierced thiab kub - dov los ua ib lub plhaub hollow, uas yog ces stretched thiab loj mus rau qhov kawg qhov ntev.
Kev kos duab txias:Rau kev ua kom nruj dua, ua kom lub ntsej muag zoo dua, thiab lub zog siab dua, cov hlab kub - tiav tuaj yeem txias -.
4. Kev Yuav Tsum Muaj
DIN 1629 qhia cov kev cai nruj rau:
Tshuaj muaj pes tsawg leeg:Kev txwv rau Carbon (C), Manganese (Mn), Silicon (Si), Phosphorus (P), thiab Sulfur (S) raug txhais rau txhua qib.
Mechanical Properties:Yam tsawg kawg nkaus rau:
Yield zog (Rp0.2):Qhov kev ntxhov siab uas cov khoom pib deform plastically.
Tensile zog (Rm):Qhov siab tshaj plaws ntawm cov khoom siv tuaj yeem tiv taus thaum raug ncab.
Elongation (A):Ib qho kev ntsuas ntawm ductility.
Kev Ntsuas Siab (Hydrostatic Test):Txhua lub raj yuav tsum raug kuaj rau qhov ntsuas hydraulic siab yam tsis muaj dej los yog qhia qhov tsis xws luag.
Tsis yog -Kev Ntsuas Kev Puas Tsuaj (NDT):Cov raj tuaj yeem raug kuaj xyuas ultrasonic lossis eddy tam sim no kom paub meej sab hauv thiab sab nraud.
Dimensional Tolerances:Kev txwv nruj rau sab nraud (OD), phab ntsa thickness (WT), thiab ntev.
5. Sib piv nrog lwm cov qauv
Nws yog qhov pab tau los sib piv DIN 1629 nrog rau lwm cov qauv yeeb nkab:
| Feature | TIAB SA 1629 | ASTM A106 1(USA) | ASTM A53(USA) |
|---|---|---|---|
| Hom | Seamless | Seamless | Seamless & Welded |
| Kev siv thawj zaug | Siab -siab, temp. | Siab -kev pabcuam kub | Lub Hom Phiaj |
| Cov Qib Siab | 35.8, HWV 45.8 | A106 Qib B | A53 Qib B |
| Ntsiab tsom | European conformity, cov khoom siv tshwj xeeb | Siab -kub tawm lub zog | Kev pabcuam dav dav, tus nqi -zoo |
Summary thiab Key Takeaways
TIAB SA 1629yog keeb kwm German tus qauv rausiab - zoo seamless carbon steel kav.
Nws tau raug hloov loj los ntawm European tus qauvTS EN 10216-1(rau cov uas tsis yog{0}} alloy steels) thiabTS EN 10216-2(rau cov hlau alloy).
Nws lub ntsiab siv yog nyob rau hauvkev siv siabthoob plaws cov chaw tsim hluav taws xob, roj & roj, thiab kev lag luam hnyav.
Thaum nrhiav los yog qhia meej, koj yuav ntsib qhovTS EN 10216qib (eg,P235GH, P265GH, P355GH) es tsis yog DIN cov npe qub (St 35.8, thiab lwm yam), tab sis lawv xa mus rau tib hom khoom.
Yog tias koj tab tom ua haujlwm nrog German engineering cov hauv paus hniav, koj tseem tuaj yeem pom cov ntawv xa mus rau DIN 1629, tab sis cov khoom siv niaj hnub no yuav ua raws li EN tus qauv.
Thaum muab cov khoom no, nco ntsoov paub meej qhov tseeb qib, qhov ntev, thiab kev xa khoom (xws li, normalized, + N) nrog koj tus neeg xa khoom kom paub meej tias nws ua tau raws li koj qhov kev xav tau tshwj xeeb.
