EN 10204 S235JR ERW Yeeb Nkab
Lub ntsiab lus tseem ceeb
EN 10204 S235JR ERW yeeb nkabua ke aqib khoom siv(S235JR) nrog antawv pov thawj tus qauv(EN 10204). Qhov kev sib xyaw ua ke no yog cov khoom siv dav siv dav hauv cov qauv siv dav dav thiab qis - cov ntaub ntawv siv cov kua dej siab thoob plaws Tebchaws Europe thiab thoob ntiaj teb [citation: 4, citation: 7].
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: 4, citation: 7] |
| S235 JR | Covqib khoom siv- tsis yog- alloy structural steel nrog yam tsawg kawg nkaus yield zog ntawm 235 MPa thiab cuam tshuam kuaj ntawm chav tsev kub (27J ntawm +20℃) [citation:4, citation:5] |
| ERW | Cov txheej txheem tsim khoom - Hluav taws xob tiv thaiv Welded yeeb nkab tsim los ntawm steel kauj [citation: 1, citation: 4] |
Ntsiab nta
| Feature | Kev piav qhia |
|---|---|
| Yield zog (min) | 235 MPa rau(rau thickness Tsawg dua los yog sib npaug rau 16 hli) [citation: 4, citation: 5] |
| Tensile zog | 360-510 MPa[qhia: 4, citation: 5] |
| Elongation (min) | 24-26%(nyob ntawm thickness) [citation: 4, citation: 5] |
| Lub zog cuam tshuam (min) | 27 J ntawm +20 degree- cov lus "JR" lav qhov kub thiab txias [citation: 4, citation: 5] |
| Kev tsim khoom | Electric Resistance Welded (ERW) - txias tsim thiab siab - zaus welded [citation:1, citation:4] |
| Qhov Loj | Feem ntau 21.3 hli txog 610 hli OD (1/2 "mus rau 24") [citation: 1, citation: 6] |
| Phab ntsa Thickness | 1.8mm txog 22mm (ntau ntau 2.0-5.0mm rau kev tsim kho) [citation: 1, citation: 3] |
| Ntev | Txheem 6 m; Lwm qhov ntev muaj [citation:1, citation:4] |
Chemical Composition (Max%)
| Element | Specification | Sau ntawv |
|---|---|---|
| Cov pa roj carbon (C) | 0.17% max | Tsawg carbon rau zoo weldability [citation: 4, citation: 5] |
| Manganese (Mn) | 1.40% max | Muab lub zog |
| Phosphorus (P) | 0.035-0.040% max | Tswj rau weldability [citation: 4, citation: 5] |
| Sulfur (S) | 0.035-0.040% max | Tswj rau toughness [citation: 4, citation: 5] |
| Silicon (Si) | 0.35% max (ntaus) | Deoxidizer |
| Copper (Cu) | 0.55% max | Cov seem |
| Nitrogen (N) | 0.012% max | Tswj tau |
Mechanical Properties
| Khoom | Tus nqi | Qhov xwm txheej |
|---|---|---|
| Yield zog ReH (min) | 235 MPa rau | Thickness Tsawg dua lossis sib npaug li 16 hli [citation: 4, citation: 5] |
| 225 MPa | 16mm | |
| Tensile zog Rm | 360-510 MPa | Thickness Ntau dua los yog sib npaug rau 3 hli [citation: 4, citation: 5] |
| Elongation (min) | 24% | Ntev, L₀=5.65√S₀ |
| Lub zog cuam tshuam (min) | 27J | +20℃, 10 × 10mm qauv [citation:4, citation:5] |
| Carbon Equivalent (CEV) | Tsawg dua lossis sib npaug li 0.40% raug | Xyuas kom zoo weldability |
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 S235JR ERW yeeb nkab", cov yeeb nkab tau muab nrog daim ntawv pov thawj zeb lees paub cov khoom raws li S235JR cov cai. Hom ntawv pov thawj muaj xws li [citation:4, citation:7]:
| 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 soj ntsuam ywj pheej; tau los ntawm cov khoom siv tiag tiag |
| 3.2 | Kev soj ntsuam daim ntawv pov thawj nrog thib peb -tog tim khawv (piv txwv li, SGS, BV, Lloyds) [citation:6, citation:8] |
Product Standards vs. Material Standards
Nws yog ib qho tseem ceeb kom paub qhov txawv ntawm cov khoom qib thiab cov qauv khoom:
| Lub npe | Txuj | Lub hom phiaj |
|---|---|---|
| S235 JR | TS EN 10025-2 | Khoom siv tus qauv - txhais cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab ntawm cov hlau [citation: 4, citation: 5] |
| S235 JRH | TS EN 10219 | Khoom qauv rau txias- tsim welded structural hollow seem - lub "H" suffix qhia hollow seem |
Rau ERW yeeb nkab, cov khoom tsim nyog tus qauv yog feem ntauTS EN 10219-1(txias-ua welded structural hollow seem). Qee lub tuam txhab kuj tseem siv EN 10217 (lub hom phiaj siab) lossis EN 10255 (threaded tubes) 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) |
| Pawg | ± 6% ntawm tus kheej ntev |
Cov ntawv thov siv
| Daim ntawv thov | Kev piav qhia |
|---|---|
| Kev tsim kho | Cov kab ke, kab teeb, ru tsev trusses, scaffolding [citation: 1, citation: 4] |
| Infrastructure | Kos npe gantry, teeb pom kev zoo kab, choj parapets |
| Fencing thiab Barriers | Txoj kev barriers, handrails, balustrades |
| Kev ua liaj ua teb | Greenhouses, vaj tse, kev txhawb nqa dej |
| General Engineering | Tshuab thav duab, kev txhawb nqa conveyor, cable tais |
| Tsawg-Cov Kab Ntsig Siab | Dej, huab cua, chav dej (tsis yog- tseem ceeb) |
| Piling thiab Foundations | Kev txhawb nqa Foundation, ua haujlwm ib ntus |
Qhov Zoo Tshaj Plaws
| Qhov zoo | Kev piav qhia |
|---|---|
| Weldability zoo heev | Cov ntsiab lus carbon tsawg tso cai rau vuam yam tsis muaj ua ntej- cua sov rau feem ntau tuab |
| Zoo Formability | Haum rau txias dabtsi yog khoov, flanging, thiab profileing tsis muaj cracking |
| Galvanizing haum | Chemistry txhawb kub -dip galvanizing rau EN ISO 1461 |
| Tus nqi -Cov | Economical structural steel kev xaiv |
| Dav Muaj | Feem ntau stocked los ntawm manufacturers thoob ntiaj teb [citation:4, citation:7] |
| 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 vs. S235JR
EN 10204 Tsis yog qib khoom siv- nws yog tus qauv ntawv pov thawj
Cov yeeb nkab tau teev tseg raws li "EN 10204 S235JR" txhais tau tias cov yeeb nkab yog tsim los ntawm S235JR steel thiab muab nrog EN 10204 daim ntawv pov thawj tshuaj xyuas
2. S235JR vs S235JRH
S235 JRCov ntaub ntawv qib tau teev tseg hauv EN 10025-2 rau daim hlau, ntu, tuav
S235 JRH: Hollow seem xaiv raws li EN 10219 rau txias -tsim welded raj
Rau ERW yeeb nkab, S235JRH yog cov txheej txheem khoom tsim nyog
3. Txias txoj kev pab
ERW yeeb nkab yog txias tsim, uas txhim kho qhov tseeb qhov tseeb thiab nto tiav
Haum rau kev nthuav dav architectural thiab structural applications
4. Cov khoom cuam tshuam
Lub ntsiab lus "JR" lav Charpy cuam tshuam lub zog ntawm27 J ntawm +20 degree[qhia: 4, citation: 5]
Rau 0℃cuam tshuam cov cai, qhia meejS235J0
Rau -20℃cuam tshuam cov cai, qhia meejS235J2
5. Txheej txheej xaiv
Dub (dawb): Standard zeb tiav
Kub-dip galvanizedKev tiv thaiv corrosion (rau EN ISO 1461) [citation: 1, citation: 4]
Varnish/Anti- xeb roj: Kev tiv thaiv ib ntus thaum thauj
3 LPE/FBE: Rau daim ntawv thov faus [citation:6, citation:8]
6. International sib npaug
| Txuj | Qib sib npaug |
|---|---|
| ASTM | A36 |
| DIN | TSI 37-2 |
| GB / T | Q235B |
| JIS | TSI 400 |
Cov ntsiab lus
EN 10204 S235JR ERW yeeb nkabyog tus qauv qauv steel yeeb nkab sib txuas S235JR cov ntaub ntawv qib nrog EN 10204 ntawv pov thawj. Nrog yam tsawg kawg nkaus tawm lub zog ntawm235 MPa rauthiab guaranteed cuam tshuam toughness ntawm27 J ntawm +20 degree, cov yeeb nkab no tau siv dav hauv kev tsim kho, kev tsim kho vaj tse, kev ua liaj ua teb, thiab qis - cov ntaub ntawv siv kua dej siab [citation:4, citation:5].
Cov yam ntxwv tseem ceeb:
Cov ntsiab lus carbon tsawg (tsawg dua lossis sib npaug li 0.17%) ua kom ntseeg tauzoo heev weldabilitytsis ua ntej- cua sov
Txias- tsim ERW txheej txheem muabnruj dimensional tolerancesthiab zoo nto tiav
Cov lus "JR" lavchav kub cuam tshuam toughness
Muaj nrogkub-dip galvanized txheejrau kev tiv thaiv corrosion [citation: 1, citation: 4]
CE / UKCA cov cim muaj rau cov khoom tsim kho
Cov ntawv thov uas muaj xws li:
Tsim cov kab, kab teeb, thiab lub ru tsev trusses
Scaffolding, handrails, thiab fencing
Kos npe gantry thiab teeb pom kev zoo
Agricultural greenhouses thiab irrigation systems
Tsawg- cov kab dej thiab cua
Thaum ordering, qhia:EN 10219-1, Qib S235JRH, ERW, Qhov Loj (OD x WT), Ntev, Qhov Kawg, Txheej, thiab EN 10204 Daim Ntawv Pov Thawj Hom[qhia: 4, citation: 7].
