yam ntxwv kev
Txheem: DIN 2391 / EN 10305
Qib: ST35, ST45, ST52, E235, E215, E355
Lub npe: DIN 2391 Seamless txias drawn tubes, DIN 2391 Seamless precision steel tubes, ST35 Precision raj, ST45 Precision raj, ST52 Precision raj, Seamless precision raj, DIN 2391 ST35 Seamless precision steel hlab, DIN 2391 Seamless steel tubes 2391 ST52 Seamless precision steel hlab, ST 52 Honed tubes, ST52 lub tog raj kheej raj, EN10305-4 seamless hlab, E235 precision steel hlab, E215 precision steel hlab, E335 precision raj, EN10305 Cold drawn seamless hlab.
Loj: OD: 4mm -89mm
WT: 0.6mm-20mm
Puab: Round
Ntau hom: Txias kos los yog txias dov
Length: Ib qho random ntev thiab Ob chav random ntev lossis raws li tus neeg siv khoom thov
Kev kho cua sov: NBK (+ N) normalized
Kev kho deg: Roj-dip, Bright Annealing, Phosphated, Galvanized, Zince Coated
nta
Siab corrosion resistant
High precision, du thiab ci nto
Muaj zog tiv thaiv xeb thiab tiv thaiv corrosion
Cov phosphate txheej yog muag heev thiab lubricant
Tsis muaj kev tawg thaum lub sij hawm sim tensile, flattening test los yog drift expanding test
Muaj peev xwm tiv taus siab thiab kub heev
DIN 2391 / EN 10305 tus qauv npog qhov ntev, kev kam rau siab, thiab cov kev cai tsim nyog rau kev tsim cov raj txias kos precision steel raj. Cov raj yog tsim los ntawm cov qib steel zoo thiab tsim los tiv thaiv kev kub siab thiab kub kub. Cov raj kuj tseem tsim los kom muaj qhov tseeb qhov tseeb thiab qhov chaw tiav.
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm tus qauv no yog nws txoj kev ua siab ntev. Tus txheej txheem qhia nruj tolerances rau ob sab hauv thiab sab nraud diameters ntawm cov hlab, nrog rau cov phab ntsa thickness. Qhov no ua kom ntseeg tau tias cov hlab ntsha muaj qhov sib xws thiab tsim nyog siv rau hauv cov ntawv thov siab.
Lwm qhov tseem ceeb ntawm tus qauv yog nws qhov tseem ceeb ntawm kev tswj kom zoo. Tus qauv xav kom txhua lub raj yuav raug kuaj xyuas cov khoom siv kho tshuab, xws li lub zog tensile thiab lub zog tawm los, nrog rau cov tshuaj muaj pes tsawg leeg. Qhov no yuav pab kom ntseeg tau tias cov raj ua tau raws li qhov xav tau tshwj xeeb thiab muaj txiaj ntsig zoo.
Cov qauv no tau siv dav hauv ntau yam kev lag luam, suav nrog tsheb, aerospace, thiab hydraulic khoom tsim khoom. Cov raj uas tsim nyob rau hauv tus qauv no yog siv nyob rau hauv ntau yam kev siv, xws li hydraulic thooj voos kheej kheej, shock absorbers, thiab steering systems.
Hauv kev xaus, DIN 2391 / EN 10305-4 tus qauv yog tus qauv tseem ceeb rau kev tsim cov khoom txias kos precision steel raj. Nws txoj kev ua siab ntev nruj thiab tseem ceeb ntawm kev tswj xyuas kom zoo kom ntseeg tau tias cov raj uas ua raws li tus qauv no yog qhov zoo thiab tsim nyog rau kev siv ntau yam kev siv.
cov kev cai tshuaj
DIN2391 TubeTshuaj muaj pes tsawg leeg
|
Txuj |
Qib |
Chemical Components (%) |
|||||
|
Cim |
Khoom No. |
C |
Si |
Mn |
P |
S |
|
|
DIN2391 |
St 35 |
1.0308 |
Tsawg dua lossis sib npaug rau 0.17 |
Tsawg dua lossis sib npaug rau 0.35 |
Ntau dua lossis sib npaug rau 0.40 |
Tsawg dua lossis sib npaug rau 0.025 |
Tsawg dua lossis sib npaug rau 0.025 |
|
St 45 |
1.0408 |
Tsawg dua lossis sib npaug rau 0.21 |
Tsawg dua lossis sib npaug rau 0.35 |
Ntau dua lossis sib npaug rau 0.40 |
Tsawg dua lossis sib npaug rau 0.025 |
Tsawg dua lossis sib npaug rau 0.025 |
|
|
St 52 |
1.058 |
Tsawg dua lossis sib npaug rau 0.22 |
Tsawg dua lossis sib npaug rau 0.55 |
Tsawg dua lossis sib npaug li 1.60 |
Tsawg dua lossis sib npaug rau 0.025 |
Tsawg dua lossis sib npaug rau 0.025 |
|
EN10305 TubeTshuaj muaj pes tsawg leeg
|
Qib Steel |
Chemical Components (%) |
||||||
|
Lub npe hlau |
Hlau Number |
C |
Si |
Mn |
P |
S |
AL |
|
E215 |
1.0212 |
0.10 |
0.05 |
0.7 |
0.025 |
0.025 |
0.025 |
|
E235 |
1.0308 |
0.17 |
0.35 |
1.2 |
0.025 |
0.025 |
/ |
|
E355 |
1.058 |
0.22 |
0.55 |
1.6 |
0.025 |
0.025 |
/ |
Dimensional Tolerances Ntawm EN 10305-4 Tubes Rau Hydraulic Thiab Pneumatic Fais Fab Systems
|
Kev ua tiav |
Qhov Loj |
OD Tolerance |
Phab ntsa kam rau ua |
|
Kub Rolled Tube |
OD - 80 mm OD> 80 mm WT < 12 mm WT – 12 mm |
± {{0}}.4 hli ± 0.5% ntawm OD |
± 0.7 hli ± (5% x phab ntsa thickness + 0.1 hli |
|
Kub Rolled Peeled Tube |
Txhua qhov ntau thiab tsawg WT < 12 mm WT – 12 mm |
+ 0.25/{2}} hli |
± 0.8 hli ± 5% x phab ntsa thickness + 0.2 hli) |
|
Cold Worked Tube txias dov los yog txias-draw |
OD <40 mm OD 40–80 mm OD> 80 WT< 6 mm W. T.6–8 mm Wall Thickness > 8 |
+ 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* |
± {{0}}.30 hli ± 0.35 hli ± 0.40 hli |
yam khoom xa tuaj
Cov raj hauv qab DIN 2391/EN 10305-4 tus qauv yuav tsum tau tsim los ntawm cov txheej txheem txias los yog cov txheej txheem txias. Cov raj no yuav tsum muab nkag rau hauv ib qho ntawm cov khoom xa tuaj raws li hauv qab no:
|
Lub npe |
Cim |
Kev piav qhia |
|
Txias tiav (nyuaj) |
BK |
Cov raj tsis tau txais kev kho cua sov tom qab qhov kawg txias txias thiab yog li, muaj kev tiv thaiv siab heev rau deformation. |
|
Cold tiav (soft) |
BKW |
Kev kho cua sov zaum kawg yog ua raws li kev kos duab txias uas muaj kev txwv tsis pub deformation. Kev tsim nyog ntxiv tso cai rau qee qhov kev ua kom txias (xws li khoov, nthuav dav). |
|
Txias tiav thiab kev ntxhov siab |
BKS |
Kev kho cua sov yog siv tom qab lub caij txias kawg. Raws li cov txheej txheem tsim nyog, qhov nce ntawm cov kev ntxhov siab uas cuam tshuam cuam tshuam ua rau ob qho tib si tsim thiab machining mus rau ib qho twg. |
|
Annealed |
GBK |
Cov txheej txheem txias txias kawg yog ua raws li kev sib tsoo hauv qhov chaw tswj tau. |
|
Li qub |
NBK |
Cov txheej txheem txias txias kawg yog ua raws li los ntawm annealing saum toj kawg nkaus transformation point nyob rau hauv ib qho chaw tswj. |
Galvanized txheej yog muaj raws li kev thov.
Galvanizing hydraulic raj los nrog kev tiv thaiv txheej txheej ntawm zinc kom lawv lub neej ntev dua li qhov lawv xav tau tam sim no.
Muaj ob txoj kev xaiv ntawm raj ntau lawm, seamless los yog welded. Peb cov raj hydraulic yog tsim los ntawm cov txheej txheem seamless. Lawv tuaj yam tsis muaj weld-join lossis seam raws li lawv tau kos los ntawm cov pob zeb.
mechanical zog
TIAB SA 2391
|
Mechanical zog ntawm chav tsev kub |
|||||||||||||
|
Qib Steel |
Yam tsawg kawg nkaus rau qhov kev xa khoom |
||||||||||||
|
Lub npe hlau |
Hlau Number |
BK |
BKW |
BKS |
GBK |
NBK |
|||||||
|
Rm |
A % |
Rm |
A % |
Rm |
ReH |
A % |
Rm |
A % |
Rm |
ReH |
A % |
||
|
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
|||||||
|
St 35 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
315 |
14 |
315 |
25 |
340-470 Nws |
235 |
25 |
|
St 45 |
1.0408 |
580 |
5 |
520 |
8 |
520 |
375 |
12 |
390 |
21 |
440-570 Nws |
255 |
21 |
|
St 52 |
1.0580 |
640 |
4 |
580 |
7 |
580 |
420 |
10 |
490 |
22 |
490-630 Nws |
355 |
22 |
TS EN 10305
|
Mechanical zog ntawm chav tsev kub |
|||||||||||||
|
Qib Steel |
Yam tsawg kawg nkaus rau qhov kev xa khoom |
||||||||||||
|
Lub npe hlau |
Hlau Number |
+C |
+ LC |
+ SR |
+A |
+N |
|||||||
|
|
|
Rm |
A % |
Rm |
A % |
Rm |
ReH |
A % |
Rm |
A % |
Rm |
ReH |
A % |
|
E215 |
1.0212 |
430 |
8 |
380 |
12 |
380 |
280 |
16 |
280 |
30 |
290-430 Nws |
25 |
30 |
|
E235 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
350 |
16 |
315 |
25 |
340-480 Nws |
235 |
25 |
|
E355 |
1.0580 |
640 |
4 |
580 |
7 |
580 |
450 |
10 |
450 |
22 |
490-630 Nws |
355 |
22 |
xeem cov cai
Kev tshuaj xyuas thiab cov ntawv xeem rau DIN 2391 / EN 10305 Tubes
|
Kev tshuaj xyuas lossis kuaj hom |
Xeem zaus |
|
|
Kev kuaj sab hauv |
Kev lees txais |
|
|
Tshuaj ntsuam xyuas |
M |
M |
|
Kev ntsuas tensile |
M |
Ib qho kev sim batch |
|
Flattening test los yog extension test |
M |
Ob leeg rau ib pawg kuaj |
|
Kev txheeb xyuas qhov ntev |
M |
M |
|
Kev tshuaj xyuas qhov muag |
M |
M |
|
NDT txhawm rau txheeb xyuas qhov xau |
Tus kheej |
Tus kheej |
Tensile Test
Kev ntsuam xyuas yuav tsum tau ua nyob rau hauv chav tsev kub raws li EN 10002-1 thiab cov nram qab no txiav txim:
lub zog tensile (Rm);
lub zog yield (ReH);
Yog tias tsis muaj qhov tshwm sim tshwm sim, qhov 0.2% pov thawj lub zog (Rp0.2) yuav raug txiav txim;
Qhov feem pua elongation tom qab tawg nrog kev siv rau qhov ntsuas qhov ntev Loua 5,65so
Yog tias siv cov khoom kuaj tsis sib npaug, qhov feem pua elongation tus nqi yuav tsum tau hloov mus rau tus nqi rau qhov ntsuas qhov ntev Lo = 5,65√So siv cov lus hloov dua siab tshiab hauv EN ISO 2566-1.
Flattening Test
Kev ntsuam xyuas yuav tsum tau ua raws li EN 10233 muab cov phab ntsa tuab tsawg dua 15% ntawm txoj kab uas hla sab nraud. T
Lub tehe raj seem yuav tsum flattened nyob rau hauv ib tug xovxwm kom txog rau thaum qhov kev ncua debH nruab nrab ntawm cov platens ncav cuag tus nqi muab los ntawm cov qauv hauv qab no:
H
qhov twg:
Hyog qhov kev ncua deb ntawm daim hlau yuav tsum ntsuas nyob rau hauv load, nyob rau hauv mm;
Dyog qhov teev sab nraud txoj kab uas hla, hauv mm;
Tyog cov phab ntsa thickness, hauv mm;
Cyog qhov tsis tu ncua, tus nqi uas yog:
0.09 rau steel qib E215 thiab E235;
0.07 rau steel qib E355.
Tom qab kuaj cov khoom yuav tsum tsis txhob tawg los yog tawg. Txawm li cas los xij, me ntsis incipient tawg ntawm cov npoo yuav tsis raug suav tias yog qhov tseeb rau kev tsis lees paub.
Drift Expanding Test
Kev xeem yuav tsum tau ua raws li EN 10234 nrog 60 degree conical mandrel. Lub raj ntu yuav tsum tau nthuav dav kom txog rau thaum qhov kev loj hlob ntawm txoj kab uas hla mus txog qhov tsim nyog muaj nyob rau hauv cov lus hauv qab no.
|
Cov kev xav tau rau kev sim drift expanding |
|||
|
Qib hlau |
% nce ntawm txoj kab uas hla D rau |
||
|
Lub npe |
Tus lej |
T ⩽4mm ib |
T > 4mm |
|
E215 |
1.0212 |
20 |
15 |
|
E235 |
1.0308 |
18 |
12 |
|
E355 |
1.0580 |
15 |
10 |
Tom qab kev sim, daim ntawv xeem yuav tsum tsis muaj kab nrib pleb lossis tawg. Txawm li cas los xij, me ntsis incipient tawg ntawm cov npoo yuav tsis raug suav tias yog qhov tseeb rau kev tsis lees paub.
sau ntawv
1. Mill daim ntawv pov thawj yuav raug muab tawm raws li EN10204.3
2. Cov raj yuav tsum seamless txias rub los yog txias dov.
3. Lub chaw tsim khoom yuav tsum muaj daim ntawv pov thawj TS 16949 lossis ISO 9000 daim ntawv pov thawj.
cim
Tag nrho EN 10305-4 Qib Carbon Steel Seamless Tubes raug cim raws li hauv qab no: Txheem, Qib, OD, Thickness, Ntev, Kub Tsis Muaj. (Los yog raws li tus neeg thov kev thov.)
daim ntawv thov
DIN 2391/EN 10305-4 yog tus qauv uas qhia txog cov txheej txheem kev xa khoom rau seamless txias drawn steel hlab ntawm ncig hla ntu siv hauv hydraulic thiab pneumatic lub zog. Cov qauv no yog siv dav hauv kev tsim khoom lag luam rau kev tsim cov raj steel precision. Cov raj no siv tau rau hauv hydraulic thiab pneumatic lub tog raj kheej, Mechanical thiab Automotive Engineering. Lawv feem ntau ua hauj lwm raws li cov roj thooj voos kheej kheej, maus taus poob siab reducer steel hlab, thiab nws pib poob siab reducer puab lub tog raj kheej.
kev tiv thaiv
Cov raj yuav tsum tau xa nrog kev tiv thaiv ib ntus tiv thaiv corrosion. Hom kev tiv thaiv yuav tsum nyob ntawm kev txiav txim siab ntawm cov chaw tsim khoom, tshwj tsis yog tias tau teev tseg (saib kev xaiv 1 txog 5). Cov chaw tsim khoom yuav tsum ua cov kev ntsuas tsim nyog los tiv thaiv kev nkag ntawm cov khoom txawv teb chaws rau hauv lub raj.
Kev xaiv 1
Cov raj yuav tsum tau phosphatized ua ntej kev tiv thaiv ib ntus.
Kev xaiv 2
Sab nraud ntawm cov hlab ntsha yuav tsum tau galvanized thiab chromatized hom xiav-dawb. Lub thickness ntawm zinc yuav tsum tau teev los ntawm tus neeg yuav khoom.
Kev xaiv 3
Sab nraud ntawm cov hlab yuav tsum yog galvanized thiab chromatized hom daj. Lub thickness ntawm zinc yuav tsum tau teev los ntawm tus neeg yuav khoom raws li qhov tsim nyog.
Kev xaiv 4
Sab nraud ntawm cov hlab ntsha yuav tsum tau galvanized thiab chromatized hom txiv ntseej. Lub thickness ntawm zinc yuav tsum tau teev los ntawm tus neeg yuav khoom.
Kev xaiv 5
Lub raj kawg yuav tsum tau tiv thaiv nrog cov ntsaws los yog lub kaus mom.
ntim
Cov hlab yuav tsum tau muab xa mus rau hauv cov pob khoom, nrog cov pob khoom polygonal rau cov raj ntawm ⩾12 hli sab nraud txoj kab uas hla, tshwj tsis yog qhov kev xaiv 6 tau teev tseg.
Kev xaiv 6
Txoj kev ntim khoom yuav tsum yog raws li tus neeg yuav khoom tau teev tseg.
Kev saib xyuas yuav tsum tau ua hauv kev tuav thiab kev thauj mus los kom tsis txhob muaj kev puas tsuaj rau saum npoo thiab ncaj.
