BS EN 10219 steel hlauyog txias-tsim structural hollow steels ua los ntawm non-alloy thiab fine-grained steels rau structural daim ntaub ntawv yam tsis muaj kev kho cua sov tom ntej.
EN 10219 thiab BS EN 10219 yog cov qauv zoo tib yam tab sis nrog cov koom haum sib txawv.
Navigation Khawm
BS EN 10219 Kev faib tawm
BS EN 10219 Qhov Loj Ntau Yam
Raw Materials thiab Delivery Conditions
BS EN 10219 Lub npe hlau
Tshuaj muaj pes tsawg leeg ntawm BS EN 10219
Mechanical Properties ntawm BS EN 10219
Impact Tests
Kev kuaj tsis muaj kev puas tsuaj
Cov tsos mob thiab kho tsis xws luag
Dimensional Tolerances
Galvanized
BS EN 10219 Kev Ntsuas
Daim ntawv thov
Peb cov khoom muaj feem xyuam
BS EN 10219 Kev faib tawm
Los ntawm Hom Hlau
Unalloyed thiab alloyed tshwj xeeb steels.
Cov hlau tsis muaj hlau:
S235J0H, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H,S275NH, S275NH, S355NH, S355NLH.
Alloyed tshwj xeeb steels:
S460NH, S460NLH, S275MH, S275MLH, S355MH, S355MLH, S420MH, S420MLH, S460MH, S460MLH.
Ib txoj hauv kev yooj yim los qhia qhov txawv: steel hom uas muaj M lossis 4 yog cov alloys, thiab cov khoom alloying ntawm cov hlau tuaj yeem lees paub sai.
Los ntawm Kev Tsim Khoom
Cov txheej txheem tsim khoom feem ntau ua haujlwm rau kev tsim cov kav hlau raws li BS EN 10219 suav nrogElectric Resistance Vuam (ERW) thiab Submerged Arc Vuam (SAW).
SAW tuaj yeem muab faib ntxiv rau hauv Longitudinal Submerged Arc Vuam (LSAW) thiab Kauv Submerged Arc Vuam (SSAW) raws li daim ntawv ntawm cov vuam seam.
Los ntawm Hla-section Shape
CFCHS: Cold formed ncig hollow seem;
CFRHS: Cold formed square lossis rectangular hollow seem;
CFEHS: Cold formed elliptical hollow seem;
Daim ntawv no qhia txog CFCHS (Cold Formed Circular Hollow Section).
BS EN 10219 Qhov Loj Ntau Yam
Phab ntsa thickness: T ≤ 40mm
Sab nraud txoj kab uas hla (D):
Round (CHS): D ≤ 2500 mm;
Square (RHS): D ≤ 500 mm × 500 mm;
Rectangular (RHS): D ≤ 500 mm × 300 mm;
Oval(EHS): D ≤ 480 mm × 240 mm.
Raw Materials thiab Delivery Conditions
Cov hlau tsis muaj hlau
ib Daim Ntawv Ntxiv A, Rolled lossis Standardized/Standardized Rolled (N) rauJR, J0, J2, thiab K2hlau;
Fine grain steels
Ib Daim Ntawv Ntxiv B, Standardized/Standardized Rolling (N) rauN thiab NLhlau;
Ib Daim Ntawv Ntxiv B.M thiab ML, steels tau thermomechanically dov (M).
Lub hollow seem yuav tsum tau xa txias-tsim yam tsis muaj kev kho cua sov tom qab tshwj tsis yog tias cov vuam seam yuav nyob rau hauv raws li-welded los yog kub-kho mob.
Rau SAW hollow seem saum toj no 508 mm sab nraud txoj kab uas hla, nws yuav tsum tau ua ib tug sov so shaping lag luam, uas tsis cuam tshuam rau cov neeg kho tshuab zog, thiaj li yuav ua tau raws li qhov yuav tsum tau ntawm out-of-roundness kam rau ua.
BS EN 10219 Lub npe hlau
Lub npe convention ntawm BS EN 10219 yog tib yam liBS EN 10210, uas siv tus qauv EN10027-1.
Rau cov tsis-alloy steel hollow seem, lub npe steel muaj
Piv txwv li: Cov khoom siv hlau (S) nrog rau qhov tsawg kawg nkaus yield zog rau thickness tsis ntau tshaj 16 hli ntawm 275 MPa, nrog rau qhov tsawg kawg nkaus lub zog muaj nuj nqis ntawm 27 J ntawm 0 ℃ (J), hollow seem (H).
TS EN 10219-S275J0H
Nws muaj plaub ntu:S, 275, J0, thiab H.
1. S: qhia tias cov qauv hlau.
2. Tus nqi naj npawb (275): thickness ≤ 16mm rau qhov tsawg kawg nkaus yield zog, hauv MPa.
3. JR: qhia tau hais tias nyob rau hauv chav tsev kub nrog tej yam tej yam kev mob;
J0: qhia tias ntawm 0 ℃ nrog rau tej yam khoom;
J2 or K2: qhia nyob rau hauv -20 ℃ nrog rau tej yam khoom;
4. H: qhia tias hollow seem.
Rau nplua grain steel structural hollow seem, steel designation muaj
Piv txwv li: Cov qauv steel (S) nrog qhov tsawg kawg nkaus tawm lub zog rau lub thickness tsis ntau tshaj 16 hli ntawm 355 MPa.normalized nplua grain steel feedstock (N), nrog rau qhov tsawg kawg nkaus lub zog nqi ntawm 27 J ntawm -50 ℃ (L), ntu ntu (H).
TS EN 10219-S355NLH
Nws muaj tsib ntu:S, 355, N, L, thiab H.
1. S: qhia txog cov qauv hlau.
2. Tus nqi(355): thickness ≤ 16mm yam tsawg kawg nkaus yield zog, chav tsev yog MPa.
3. N: standardized los yog standardized dov.
4. L: tshwj xeeb tej yam khoom ntawm -50 ° C.
5. H: denotes hollow section.
Tshuaj muaj pes tsawg leeg ntawm BS EN 10219
Non-alloy Steels - Tshuaj muaj pes tsawg leeg
Fine Grain Steels - Tshuaj muaj pes tsawg leeg
Thaum cov hlau zoo siv los ua cov khoom siv raw, nws tuaj yeem muab faib ua M thiab N raws li kev xa khoom, thiab cov khoom siv tshuaj lom neeg ntawm ob hom no yuav txawv.
Thaum txiav txim siab CEV cov qauv hauv qab no yuav tsum tau siv: CEV=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
Feedstock condition N
Feedstock condition M
Deviation nyob rau hauv Chemical Composition
Mechanical Properties ntawm BS EN 10219
Nws yuav tsum tau ua raws li EN 1000-2-1.Kev ntsuas yuav tsum tau ua nyob rau hauv qhov kub ntawm 10 ° C mus rau 35 ° C.
Non-alloy Steels - Mechanical Properties
Fine Grain Steels - Mechanical Properties
Thaum cov hlau zoo siv los ua cov khoom siv raw, nws tuaj yeem muab faib ua M thiab N raws li kev xa khoom, thiab cov khoom siv ntawm ob hom no tuaj yeem sib txawv.
Feedstock condition N
Feedstock cov ntaub ntawv mob M
Impact Tests
Kev ntsuam xyuas cuam tshuam yuav tsum tau ua raws li EN 10045-1.
Qhov nruab nrab tus nqi ntawm ib pawg ntawm peb tus qauv yuav tsum sib npaug los yog ntau dua li tus nqi teev.
Tus nqi ntawm tus kheej yuav tsawg dua tus nqi teev, tab sis nws tsis tsawg dua 70% ntawm tus nqi ntawd.
Kev kuaj tsis muaj kev puas tsuaj
Thaum ua haujlwm NDT ntawm welds nyob rau hauv hollow structural seem, yuav tsum tau ua raws li cov cai hauv qab no.
Electric Welded Tshooj
Ua raws li ib qho ntawm cov kev xav tau hauv qab no:
a) EN 10246-3 rau qib E4, tshwj tsis yog cov txheej txheem tig raj / pancake coil yuav tsum tsis tso cai;
b) EN 10246-5 rau qib F5;
c) EN 10246-8 rau qib kev lees paub U5.
Submerged Arc Welded Tshooj
Lub vuam seam ntawm submerged arc welded hollow seem yuav tsum raug kuaj raws li EN 10246-9 rau qib U4 lossis radiography raws li EN 10246-10 nrog cov duab zoo hauv chav R2.
Cov tsos mob thiab kho tsis xws luag
Nto Zoo
Hollow seem yuav tsum muaj ib tug du nto sib haum mus rau txoj kev raug siv;pob, grooves los yog ntiav longitudinal grooves uas tshwm sim los ntawm cov txheej txheem tsim tau tso cai yog tias cov seem seem nyob rau hauv qhov kam rau ua.
Qhov kawg ntawm lub hollow seem yuav tsum tau txiav nominally square mus rau axis ntawm cov khoom.
Kho qhov tsis xws luag
Cov kev puas tsuaj saum npoo tuaj yeem raug tshem tawm los ntawm kev sib tsoo yog tias lub thickness tsis tsawg dua qhov tsawg kawg nkaus tso cai thickness teev nyob rau hauv BS EN 10219-2 tom qab kho.
Rau cov nplua nplej hollow seem, kho lub cev los ntawm vuam yuav tsum tsis txhob tso cai tshwj tsis yog tias pom zoo.
Cov txheej txheem kho vuam yuav tsum ua raws li EN ISO 15607, EN ISO 15609-1, thiab EN ISO 15614-1.
Dimensional Tolerances
Qhov ntev ntev yuav tsum ua raws li cov kev cai ntawm EN 10219-2 thiab yuav tsum tau them nyiaj mloog mus rau cov duab ntawm cov seem.
Tolerances ntawm cov duab, ncaj thiab pawg
Tolerances ntawm Length
Seam Qhov siab ntawm SAW Weld
Kev kam rau siab rau qhov siab ntawm sab hauv thiab sab nraud weld seam rau submerged arc welded hollow seem.
| Thickness, T | Qhov siab tshaj plaws weld hlaws qhov siab, mm |
| ≤14,2 | 3.5 |
| > 14,2 | 4.8 |
Galvanized
TS EN 10219 Hollow tubing tuaj yeem ua rau kub-dip galvanized rau kev pab lub neej ntev.
Cov raj hollow yog pub rau hauv da dej uas muaj tsawg kawg yog 98% zinc cov ntsiab lus los tsim ib txheej galvanized.
BS EN 10219 Kev Ntsuas
Cov ntsiab lus ntawm cov yeeb nkab steel kos npe yuav tsum muaj:
Lub npe ntawm cov hlau, xws li EN 10219-S275J0H.
Lub npe lossis lub cim lag luam ntawm cov chaw tsim khoom.
Tus lej ID, piv txwv li tus lej xaj.
BS EN 10219 steel tubes tuaj yeem raug cim los ntawm ntau txoj hauv kev los xyuas kom yooj yim ntawm kev txheeb xyuas thiab taug qab, los ntawm kev pleev xim, stamping, cov ntawv nplaum, lossis cov ntawv ntxiv, uas tuaj yeem siv tus kheej lossis ua ke.
Daim ntawv thov
Daim ntawv thov ntawm BS EN 0219 tus qauv npog txhua qhov chaw ntawm cov txheej txheem steel ua haujlwm.
Kev tsim kho:BS EN 10219 specification steel kav yog dav siv nyob rau hauv kev tsim kho tej yaam num, xws li tsim choj, kev pab txhawb nqa rau lub tsev, thiab lwm yam.
Kev tsim kho vaj tse: lawv tau siv rau hauv cov dej txuag dej, kev tsim kho txoj kev, cov kav dej, thiab lwm yam kev tsim kho vaj tse, xws li cov kav dej, cov kav dej, thiab lwm yam.
Kev tsim khoom: Cov yeeb nkab steel no kuj siv rau hauv kev tsim cov cuab yeej siv tshuab, tshuab conveyor, thiab lwm yam kev siv tshuab.
Municipal engineering: Hauv nroog engineering engineering, BS EN 10219 tus qauv steel kav yuav siv tau los tsim cov guardrails, railings, txoj kev thaiv, thiab lwm yam.
Architectural kho kom zoo nkauj: Kev tsim kom zoo nkauj thiab lub zog ntawm cov raj steel ua rau lawv cov khoom siv dav siv hauv kev kho kom zoo nkauj, xws li stair railings, balustrades, hniav brackets, thiab lwm yam.
Peb cov khoom muaj feem xyuam
Txij li thaum nws tsim nyob rau hauv 2014, Botop Steel tau dhau los ua cov pa roj carbon steel yeeb nkab xa khoom nyob rau sab qaum teb Tuam Tshoj, paub txog nws cov kev pabcuam zoo, cov khoom zoo, thiab cov kev daws teeb meem.Lub tuam txhab cov khoom siv dav dav suav nrogseamless, ERW, LSAW, thiab SSAW steel kav, nrog rau cov yeeb nkab fittings, flanges, thiab cov hlau tshwj xeeb.
Nrog rau kev cog lus muaj zog rau kev ua tau zoo, Botop Steel siv cov kev tswj hwm nruj thiab kev ntsuam xyuas kom ntseeg tau tias muaj kev ntseeg siab ntawm nws cov khoom.Nws pab neeg muaj kev paub dhau los muab cov kev daws teeb meem ntawm tus kheej thiab cov kws tshaj lij kev txhawb nqa, nrog rau kev tsom mus rau cov neeg siv khoom txaus siab.
Tags: bs 10219 , en 10219 , chs , cfchs , s355j0h , s275j0h .
Post lub sij hawm: Apr-26-2024