1. Ntsiab lus piav qhia & Hloov
Original Title:Seamless ncig steel raj rau lub hom phiaj siab; technical delivery tej yam kev mob.
Qhov xwm txheej tam sim no: Tshem tawm thiab hloovlos ntawmTS EN 10216-1: 2013.
Vim li cas nws tseem cuam tshuam:Cov ntaub ntawv qib los ntawm DIN 1629 (xws li St 37.0, St 44.0, thiab lwm yam) tau ncaj qha mus rau EN 10216-1, thiab cov kav dej tau txiav txim rau tus qauv tam sim no tau tsim thiab sim raws li EN 10216-1. Nws tseem yog ib qho luv luv rau kev qhia txog qhov zoo ntawm seamless carbon steel siab raj.
2. Cov ntawv thov tseem ceeb
DIN 1629 / EN 10216-1 cov kav dej yog tsim los rau cov ntawv thov uas muaj qhov siab thiab kub siab. Common siv muaj xws li:
Boiler Tubes:Rau chav boilers thiab siab hlab ntsha.
Thaum tshav kub kub Exchangers:Rau lub plhaub, tubesheets, thiab tshav kub exchanger raj.
Kev tsim hluav taws xob:Piping systems hauv fossil roj thiab nuclear fais fab nroj tsuag.
Txheej txheem kev lag luam:Rau kev xa cov kua dej, chav dej, thiab cov pa roj hauv lub siab hauv tshuaj lom neeg, petrochemical, thiab roj & roj kev lag luam.
High -Tsev Kev Pabcuam:General mechanical thiab structural applications nyob rau hauv siab kub thiab siab.
3. Cov Qib Khoom Siv
Tus txheej txheem tau teev tseg ntau qib raws li lawv qhov tsawg kawg nkaus yield zog (thawj tus lej) thiab lawv cov kev cuam tshuam toughness (lub ntsiab lus).
Nqe 37.0:Yam tsawg kawg yield zog ntawm 235 MPa. Zoo weldability thiab formability.
Nqe 44.0:Yam tsawg kawg nkaus tawm lub zog ntawm 275 MPa. Lub zog siab dua St 37.0.
Qhov 52.0:Yam tsawg kawg nkaus tawm lub zog ntawm 355 MPa. Lub siab - lub zog carbon steel.
Nkag siab lub Nomenclature:
St:Stands rau "Steel" (Stahlhauv German).
37, 44, 52:Sawv cev rauyam tsawg kawg nkaus yield zoghauv kgf/mm² (piv txwv li, 37 kgf/mm² ≈ 355 N/mm² lossis MPa).
.0:Cov lus tom qab qhia txog pab pawg kuaj thiab cuam tshuam rau lub zog xav tau.
.0:Tsis muaj kev cuam tshuam lub zog (Charpy V-notch) xeem yuav tsum tau.
.2:Kev cuam tshuam lub zog kuaj ntawm +20℃.
.3:Kev cuam tshuam lub zog kuaj ntawm 0 degree.
Nyob rau hauv niaj hnubTS EN 10216-1standard, cov no raug xaiv raws liP235GH, P265GH, thiab P355GHraws. Tus "P" sawv cev rau "siab," tus lej yog qhov tsawg kawg nkaus tawm lub zog hauv MPa, thiab "H" sawv cev rau "High Temperature."
4. Cov ntsiab lus tseem ceeb
Cov lus hauv qab no qhia txog cov ntsiab lus tseem ceeb raws li tus thawj DIN 1629 thiab nws qhov sib npaug niaj hnub.
| Feature | DIN 1629 Specification | Niaj hnub nimno EN 10216-1 sib npaug |
|---|---|---|
| Hom | Seamless (mandrel dov) | Seamless |
| Kev tsim khoom | Kub- tiav lawm | Kub-ua tiav lossis txias- tiav |
| Hom hlau | Tsis yog- alloy zoo carbon steel | Tsis yog- alloy zoo steel |
| Cov Qib Siab | Txoj Kev 37.0, St 44.0, St 52.0 | P235GH, P265GH, P355GH |
| Kev sim | Kev ntsuas siab, ntsuas tensile, ntsuas kev sib tw, thiab lwm yam. | Tsis yog -kev kuaj kev puas tsuaj, kev sim tensile, kev sim cuam tshuam (yog tias tau teev tseg), thiab lwm yam. |
5. Chemical Composition (Hwm % los ntawm Nyhav)
Cov muaj pes tsawg leeg yog tswj los xyuas kom meej weldability thiab lub zog.
| Qib | EN 10216-1 Sib npaug | C (max) | Si (max) | Mn | P (max) | S (max) |
|---|---|---|---|---|---|---|
| 37.0 Nws | P235GH | 0.16 | 0.35 | 0.40 - 1.20 | 0.025 | 0.020 |
| ib 44.0 | P265GH | 0.20 | 0.40 | 0.40 - 1.20 | 0.025 | 0.020 |
| Ib 52.0 | P355GH | 0.22 | 0.55 | 1.10 - 1.70 | 0.025 | 0.020 |
Nco tseg: Cov no yog cov nqi ib txwm; cov kev txwv tseeb tuaj yeem sib txawv. N, Cu, thiab lwm yam tseem tuaj yeem raug txwv.
6. Mechanical Properties (ntawm chav tsev kub)
| Qib | EN 10216-1 Sib npaug | Yield zog (min) [MPa] | Tensile zog [MPa] | Elongation (min) |
|---|---|---|---|---|
| 37.0 Nws | P235GH | 235 | 360 - 480 | 25% |
| ib 44.0 | P265GH | 265 | 410 - 530 | 24% |
| Ib 52.0 | P355GH | 355 | 470 - 630 | 22% |
Sib piv nrog Lwm Cov Qauv
DIN 1629 / EN 10216-1 cov kav dej zoo sib xws rau lwm cov qauv thoob ntiaj teb rau seamless siab raj:
ASTM A106 Gr B Cov Lus Qhia:Qhov feem ntau Asmeskas sib npaug rau siab -kev pabcuam kub.
ASTM A53 Gr B Cov Lus Qhia:Lwm tus qauv hauv Teb Chaws Asmeskas, tab sis feem ntau siv rau qhov kub thiab txias dua li A106.
API 5L Gr IB:Feem ntau rau kev thauj mus los hauv pipeline hauv roj av thiab natural gas industries.
Thaum cov chemistry thiab mechanical zog zoo sib xws, qhov kev sim, ntawv pov thawj, thiab cov ntawv thov tshwj xeeb tuaj yeem sib txawv. Nco ntsoov sab laj tus qauv tshwj xeeb rau cov ntawv thov tseem ceeb.
Cov ntsiab lus
Thaum koj hnov "DIN 1629 yeeb nkab," nws feem ntau yog hais txog asiab -zoo, seamless carbon steel yeeb nkabhaum rausiab thiab siab -kub siv. Txawm hais tias tus qauv DIN nws tus kheej tsis siv lawm, nws cov kev xav tau nyob hauvTS EN 10216-1, thiab nws cov qib khoom (St 37.0, St 44.0, St 52.0) tseem yog ib hom lus thoob ntiaj teb hauv engineering thiab kev yuav khoom rau hom khoom no. Rau txhua qhov project tshiab, specifications yuav tsum sivTS EN 10216-1.
