EN 10204 S355 ERW Yeeb Nkab
Lub ntsiab lus tseem ceeb
EN 10204 S355 ERW yeeb nkabmuab cov qib siab -lub zog steel qib (S355) nrog cov qauv ntawv pov thawj (EN 10204). Kev sib xyaw ua ke no tau siv dav hauv kev xav tau kev tsim kho, kev tsim vaj tsev, thiab kev siv engineering uas yuav tsum muaj zog dua S235 lossis S275 [citation: 2, citation: 9].
Nkag siab lub npe
| Ib feem | Lub ntsiab lus |
|---|---|
| TS EN 10204 | European txheem raucov ntaub ntawv tshuaj xyuas- txhais hom ntawv pov thawj zeb (piv txwv li, 3.1, 2.2) [citation: 1, citation: 3] |
| S355 | Covqib khoom siv- tsis yog - alloy structural steel nrog yam tsawg kawg nkaus yield zog ntawm 355 MPa. Kev ntsuas qhov ntsuas kub sib txawv los ntawm cov lus kawg (JR / J0 / J2 / K2) [citation: 2, citation: 9] |
| ERW | Cov txheej txheem tsim khoom - Hluav taws xob Resistance Welded yeeb nkab tsim los ntawm steel kauj [citation: 4, citation: 5] |
S355 Qib Suffixes: Impact Properties
| Lub ntsiab lus | Impact Test Temperature | Yam tsawg kawg nkaus zog |
|---|---|---|
| JR | +20℃(chaw kub) | 27 J [nqe: 5, citation: 9] |
| J0 | 0 degree | 27 J |
| J2 | -20 degree | 27 J |
| K2 | -20 degree | 40 J |
Cov yam ntxwv tseem ceeb
| Feature | Kev piav qhia |
|---|---|
| Yield zog (min) | 355 MPa rau(rau thickness Tsawg dua los yog sib npaug rau 16 hli) [citation: 2, citation: 8] |
| Tensile zog | 470-630 MPa(rau thickness 3-16mm) [citation: 2, citation: 5] |
| Elongation (min) | 20-22%(longitudinal) [Citation: 2, citation: 8] |
| Kev tsim khoom | Electric Resistance Welded (ERW) / High-Vuam zaus (HFW) - txias tsim thiab siab- zaus welded [citation:1, citation:9] |
| Qhov Loj | Feem ntau 21.3 hli txog 660 hli OD (1/2 "mus rau 26") [citation: 1, citation: 9] |
| Phab ntsa Thickness | 1.5mm-22mm (ntau ntau 3-16mm) |
| Ntev | Txheem 6 m; mus txog 18 m muaj |
Chemical Composition (Tswj)
| Element | Ntau tshaj % | Sau ntawv |
|---|---|---|
| Cov pa roj carbon (C) | 0.20-0.22% | Tsawg carbon rau weldability [citation: 2, citation: 8] |
| Manganese (Mn) | 1.60% | Muab lub zog |
| Silicon (Si) | 0.55% | Deoxidizer [Citation: 2, citation: 8] |
| Phosphorus (P) | 0.025-0.035% | Tswj rau weldability |
| Sulfur (S) | 0.025-0.035% | Tswj kom toughness |
* Ceeb Toom: Cov kev txwv tseeb txawv ntawm cov lus tom qab (JR/J0/J2/K2). Cov qib toughness siab dua muaj kev tswj nruj dua.*
Mechanical Properties
| Khoom | Tus nqi | Qhov xwm txheej |
|---|---|---|
| Yield zog ReH (min) | 355 MPa rau | Thickness Tsawg dua lossis sib npaug li 16 hli [citation: 2, citation: 8] |
| 345 MPa rau | 16mm | |
| Tensile zog Rm | 470-630 MPa | Thickness 3-16mm [Citation: 2, Citation: 5] |
| Elongation (min) | 20-22% | Ntev, 5.65√S₀ |
| Lub zog cuam tshuam (min) | 27-40 J | Qhov kub nyob ntawm qhov kawg |
| Modulus ntawm Elasticity | 200 GPa | |
| Qhov ntom | 7.85 g / cm³ |
EN 10204 Cov ntaub ntawv tshuaj xyuas
EN 10204 yog tus qauv ntawv pov thawj rau cov khoom siv hlau. Thaum koj qhia "EN 10204 S355 ERW yeeb nkab", cov yeeb nkab tau muab nrog daim ntawv pov thawj zeb lees tias cov khoom ua tau raws li S355 cov cai [citation: 1, citation: 3]:
| Hom | Kev piav qhia |
|---|---|
| 2.2 | Cov ntaub ntawv xeem raws li tsis yog- kev tshuaj xyuas tshwj xeeb; tshwm sim los ntawm cov qauv neeg sawv cev |
| 3.1 | Kev soj ntsuam daim ntawv pov thawj muab los ntawm cov chaw tsim khoom lub chaw kuaj xyuas ywj pheej; tau los ntawm cov khoom siv tiag tiag [citation: 1, citation: 3, citation: 4] |
| 3.2 | Kev soj ntsuam daim ntawv pov thawj nrog thib peb -tog tim khawv (piv txwv li, SGS, BV, Lloyds) |
Product Standards vs. Material Standards
| Lub npe | Txuj | Lub hom phiaj |
|---|---|---|
| S355 | TS EN 10025-2 | Material standard - txhais cov tshuaj muaj pes tsawg leeg thiab txhua yam khoom ntawm cov hlau |
| S355J2H / S355J0H / S355JRH | TS EN 10219 | Khoom qauv rau txias- tsim welded structural hollow seem - lub "H" suffix qhia hollow seem |
Rau ERW yeeb nkab, tus qauv khoom raug yog feem ntauTS EN 10219-1(txias-ua welded structural hollow seem) [citation:4, citation:7]. Lwm cov qauv siv tau suav nrog EN 10217 (lub hom phiaj siab) thiab EN 10224 (kev xa dej) nyob ntawm daim ntawv thov.
Dimensional kam rau ua (EN 10219-2)
| Parameter | Ua siab ntev |
|---|---|
| Sab nraud txoj kab uas hla | ± 1% (min ± 0.5mm, max ± 10mm) |
| Phab ntsa Thickness (t Tsawg dua lossis sib npaug li 5 hli) | ±10% |
| Phab ntsa Thickness (t> 5mm) | ± 0.5 hli |
| Kev ncaj | Tsawg dua lossis sib npaug li 0.20% ntawm tag nrho qhov ntev (max 3mm / m) |
| Tawm ntawm - ntawm - Roundness | Tsawg dua lossis sib npaug li 2% (rau D / T Tsawg dua lossis sib npaug rau 100) |
| Ntev Ntev (6-12m) | 0 - +15 hli (D < 406.4mm); 0 - +50mm (D Ntau dua lossis sib npaug rau 406.4mm) |
Cov ntawv thov siv
| Daim ntawv thov | Kev piav qhia |
|---|---|
| High-Rise Building Construction | Cov kab, kab teeb, trusses rau cov qauv siab |
| Bridge Engineering | Cov tswv cuab, kev txhawb nqa, railings |
| Offshore Structures | Platforms, marine installations xav tau lub zog siab |
| Cua Turbine Ntauwd | Loj - txoj kab nruab nrab txhawb nqa |
| Hnyav Machinery | Crane booms, excavator Cheebtsam, cov khoom siv ua liaj ua teb |
| Infrastructure Projects | Tunnels, tuav phab ntsa, txoj kev loj |
| Kev siv siab | Nrog cov khoom tsim nyog (EN 10217) |
| Kev xa dej hiav txwv | Nrog EN 10224 tus qauv (L355 qib) |
Qhov Zoo Tshaj Plaws
| Qhov zoo | Kev piav qhia |
|---|---|
| Siab zog | 355 MPa tawm los - kwv yees li 50% siab dua S235 thiab 30% siab dua S275 |
| Weldability zoo heev | Tsawg carbon sib npaug ua kom zoo teb weldability |
| Zoo Impact Resistance | Muaj nrog guaranteed toughness ntawm kub ntawm +20℃rau -20 degree |
| Tus nqi -Cov | ERW txheej txheem muab kev lag luam zoo dua seamless rau ntau qhov ntau thiab tsawg |
| Dav Muaj | Feem ntau stocked los ntawm manufacturers thoob ntiaj teb [citation:1, citation:4] |
| Daim ntawv pov thawj CE / UKCA | Muaj rau cov khoom tsim kho raws li EU / UK cov cai |
Kev txiav txim siab tseem ceeb
1. EN 10204 Tsis yog Cov Khoom Siv Qib
EN 10204 yog antawv pov thawj tus qauv, tsis yog qib khoom siv
Cov yeeb nkab tau teev tseg raws li "EN 10204 S355" txhais tau tias cov yeeb nkab yog tsim los ntawm S355 steel thiab muab nrog EN 10204 daim ntawv pov thawj tshuaj xyuas
2. Xaiv qhov raug S355 Suffix
S355 JR: 27 J ntawm +20℃– haum rau kev siv huab cua hauv tsev lossis sov so
S355J0: 27 J ntawm 0℃- haum rau huab cua huab cua sab nraum zoov
S355J2H: 27 J ntawm -20℃- haum rau cov huab cua txias thiab xav tau daim ntawv thov
S355K2H: 40 J ntawm -20℃- rau cov ntawv thov tseem ceeb uas yuav tsum tau muaj zog dua
3. Cov khoom siv txheem xaiv
TS EN 10219: Structures hollow sections – for building, bridge, mechanical applications
TS EN 10217: Lub hom phiaj siab - rau boilers, siab hlab ntsha
TS EN 10224: Kev xa dej - rau cov kav dej
4. ERW Manufacturing Benefits
ERW txheej txheem tsim cov phab ntsa tuab zoo ib yam thiab qhov tseeb qhov tseeb
Cold forming txhim kho qhov chaw tiav
Haum rau galvanizing thaum cov ntsiab lus silicon tswj
5. Kev txwv loj
ERW txheej txheem feem ntau txwv raumus txog 26 nti (660 mm) OD[Citation: 1, Citation: 9]
Cov kab uas loj dua yuav tsum tau LSAW lossis SSAW manufacturing
6. Txheej txheej xaiv
Dub (dawb): Txheem zeb tiav
Kub-dip galvanized: Rau kev tiv thaiv corrosion (rau EN ISO 1461) - yuav tsum tau tswj Si cov ntsiab lus
3 LPE/FBE: Rau cov ntawv thov faus
Varnish/Anti- xeb roj: Kev tiv thaiv ib ntus thaum thauj
7. Kev xeem yuav tsum tau ua
Cov kev sim rau S355 ERW yeeb nkab suav nrog:
Tshuaj ntsuam xyuas
Tensile xeem (yield zog, tensile zog, elongation)
Kev ntsuam xyuas
Khoov xeem
Charpy impact test (nyob ntawm qib tom qab)
Hydrostatic xeem
Tsis yog-kev kuaj kev puas tsuaj (ultrasonic lossis eddy tam sim no) [citation:1, citation:3]
International sib npaug
| Txuj | Qib sib npaug | Sau ntawv |
|---|---|---|
| ASTM | A572 Qib 50 | Zoo sib xws yield zog |
| GB / T | Q355 | Suav sib npaug |
| JIS | SIB 490 | Japanese txuj |
| DIN | St52-3 | Keeb kwm German sib npaug |
Cov ntsiab lus
EN 10204 S355 ERW yeeb nkabyog lub siab -lub zog steel yeeb nkab sib txuas cov khoom siv qib S355 nrog EN 10204 ntawv pov thawj. Nrog yam tsawg kawg nkaus tawm lub zog ntawm355 MPa rau(kwv yees li 50% siab dua S235 thiab 30% siab dua S275), cov yeeb nkab no tau siv dav hauv kev thov xws li siab- cov tsev nce siab, txuas hniav, cov qauv hauv ntug dej hiav txwv, cua turbine yees, thiab cov tshuab hnyav [citation: 2, citation: 4].
Cov yam ntxwv tseem ceeb:
Lub zog siab - rau - qhov hnyav piv ua rau kev txuag cov khoom siv hauv cov qauv tsim
Cov ntsiab lus carbon tsawg (tsawg dua lossis sib npaug li 0.22%) ua kom ntseeg tauzoo heev weldabilitytsis ua ntej- cua sov rau feem ntau thicknesses
Muaj nrog guaranteed cuam tshuam toughness ntawm +20℃mus rau-20 degree(J2 lub ntsiab lus)
Txias- tsim ERW txheej txheem muabnruj dimensional tolerancesthiab zoo nto tiav
Muab nrogEN 10204 Hom 3.1 zeb daim ntawv pov thawjrau tag nrho traceability
Cov ntawv thov uas muaj xws li:
Tsim cov kab, kab teeb, thiab lub ru tsev trusses
Choj structural cov tswv cuab thiab railings
Offshore platforms thiab marine qauv
Cua turbine yees
Crane booms thiab hnyav machinery thav duab
Thaum ordering, qhia:EN 10219-1, Qib S355J2H (los yog cov lus sau tsim nyog), ERW, Qhov Loj (OD x WT), Ntev, Qhov Kawg, Txheej, thiab EN 10204 Daim Ntawv Pov Thawj Hom .
