ASTM A681 H21 DIN 1.2581 Cov Cuab Yeej Ua Haujlwm Kub Hlau Bar
Kev Piav Qhia Luv:
DIN 1.2581 H21 SKD5 cov cuab yeej ua haujlwm kub hlau muaj tungsten-alloyed kub lub zog, hnav tsis kam thiab thermal qaug zog tiv taus rau forging dies, kub punches thiab extrusion tooling. Kev cai txoj kab uas hla, nto, txiav, UT, MTC thiab EN 10204 3.1 muaj.
DIN 1.2581 H21 SKD5 Cov Cuab Yeej Ua Haujlwm Kub Hlau yog cov cuab yeej ua haujlwm kub tungsten-alloyed muab los ua cov hlau puag ncig lossis cov hlau forged rau cov tuag forging kub, cov punches kub, cov cuab yeej extrusion, cov khoom tuag casting, cov hniav txiav kub thiab cov cuab yeej ua kom kub siab. Nws feem ntau yog xa mus rau AISI H21, UNS T20821, DIN 1.2581, JIS SKD5 thiab X30WCrV9-3, nyob ntawm tus qauv thiab kev ua lag luam.
SAKY STEEL muab H21 / 1.2581 cuab yeej hlau bar nyob rau hauv annealed, forged, peeled, tig los yog av mob raws li kev txiav txim yuav tsum tau. Muaj ua tej zaum yuav muaj xws li txiav, tev tawv, tig, sib tsoo, ntxhib machining, dimensional kev soj ntsuam, hardness kev soj ntsuam, ultrasonic kev soj ntsuam thaum teev tseg, MTC thiab EN 10204 3.1 cov ntaub ntawv.
Cov Khoom Siv
| Khoom | Cov Lus Qhia Txog Khoom |
|---|---|
| Lub Npe Khoom | DIN 1.2581 H21 SKD5 Cov Cuab Yeej Ua Haujlwm Kub Hlau Bar |
| Qib | H21 / 1.2581 / SKD5 |
| Lub Npe UNS / EN | UNS T20821 / X30WCrV9-3 |
| Tsev neeg khoom siv | Tungsten ua haujlwm kub cuab yeej hlau |
| Cov duab ntawm cov khoom | Round bar thiab forged bar |
| Qhov Loj Ntau Yam | Cov kab uas hla ib txwm thiab kev cai los ntawm kev txiav txim |
| Ntev | 1000–6000 hli los yog txiav kom ntev |
| Qhov Chaw Tiav | Dub, tev tawm, tig, zom |
| Kev Xa Khoom | Annealed los yog cua sov kho thaum teev tseg |
| Tus Qauv | ASTM A681 / DIN EN ISO 4957 |
| Kev kam rau siab | Zeb, h9, h11 lossis kos duab tshwj xeeb |
| Cov Kev Pabcuam Muaj | Txiav, tev tawv, tig, sib tsoo, ua tshuab |
| Daim Ntawv Pov Thawj | MTC, EN 10204 3.1, daim ntawv qhia qhov ntev |
Cov Tshuaj Lom Zem
H21 / 1.2581 yog hlau tungsten-chromium-vanadium uas ua haujlwm kub. Nws cov tungsten ntau ua rau kub tawv thiab tiv taus kev mos thaum kub siab, thaum chromium thiab vanadium pab txhawb rau kev tawv, kev tiv taus kev hnav thiab kev ua haujlwm thermal nkees.
| Khoom | Cov Ntsiab Lus Siv Ib Txwm Muaj | Kev Ua Haujlwm Txog Kev Siv Tshuab |
|---|---|---|
| Cov pa roj carbon | Kwv yees li 0.26–0.36% | Muab kev ua kom tawv thiab ua haujlwm tau zoo |
| Manganese | Kwv yees li 0.15–0.40% | Txhawb nqa deoxidation thiab hardenability |
| Silicon | Kwv yees li 0.15–0.50% | Txhawb kev tiv thaiv oxidation thiab lub zog matrix |
| Chromium | Kwv yees li 3.00–3.75% | Txhim kho qhov ua kom tawv thiab ua haujlwm kub zoo dua |
| Tungsten | Kwv yees li 8.50–10.00% | Muab cov tawv liab thiab tiv taus kev mos muag |
| Vanadium | Kwv yees li 0.30–0.60% | Ua kom cov noob zoo dua thiab txhim kho kev tiv thaiv kev hnav |
| Phosphorus | Tswj tau qhov siab tshaj plaws | Txwv rau kev txhawb nqa lub zog |
| Sulfur | Tswj tau qhov siab tshaj plaws | Txwv kom txwv tsis pub muaj kev suav nrog thiab txhim kho kev ntseeg siab ntawm cov cuab yeej |
| Hlau | Qhov Nyiaj Tshuav | Cov hlau matrix puag |
Cov tshuaj lom neeg tiag tiag yuav tsum tau lees paub los ntawm cov lus qhia tshwj xeeb ntawm cov khoom siv thiab MTC.
Cov Khoom Siv Kho Tshuab thiab Kub Siab
Cov khoom siv kho tshuab thiab kev pabcuam ntawm H21 steel bar nyob ntawm lub cheeb ntawm lub bar, kev kho cua sov, qhov nyuaj ua haujlwm, kev coj mus kuaj thiab qhov kub thiab txias. Cov nqi hauv qab no yog cov ntaub ntawv siv rau kev sib tham txog kev tsim kho thiab yuav tsum tsis txhob hloov cov txiaj ntsig kev xeem tshwj xeeb.
| Vaj tse | Cov Lus Qhia Txog Ib Txwm Muaj | Mob | Lub ntsiab lus ntawm kev tsim kho vaj tse |
|---|---|---|---|
| Kev Nyuaj Siab Annealed | Feem ntau qis dua li ntawm 240–250 HB | Annealed bar | Txhim kho kev siv tshuab ua ntej ua kom tawv |
| Kev Ua Haujlwm Nyuaj Siab | Txog li 50–56 HRC siv | Hardened thiab tempered | Siv rau cov ntawv thov ua haujlwm kub |
| Tungsten Cov Nyhuv | Kev txhawb nqa siab liab hardness | Kev pabcuam ua haujlwm kub | Pab kom ruaj khov thaum kub siab |
| Kev Tiv Thaiv Hnav | Zoo rau kev ua haujlwm kub hlau | Kho cua sov | Pab tau rau cov punches kub, tuag thiab shear hniav |
| Kev Tiv Thaiv Kev Nkees Thermal | Nyob ntawm daim ntawv thov | Kev ua kom sov thiab txias dua | Cuam tshuam los ntawm kev ua ntej cua sov, txias thiab tsim pwm |
| Qhov Ceev | Kwv yees li 8.2 g/cm³ siv | Kub hauv chav tsev | Siv rau kev xam qhov hnyav ntawm lub bar |
| Kub Kho | Kwv yees li 1100–1150 ° C siv | Yuav tsum tau ua raws li kev kho cua sov | Yuav tsum tau tswj hwm los ntawm cov txheej txheem tsim nyog |
| Kub thiab txias rau kev pabcuam | Nyob ntawm daim ntawv thov | Cov cuab yeej ua haujlwm kub | Cuam tshuam los ntawm kev thauj khoom, lub sijhawm, txias thiab oxidation |
Rooj Loj Sib Xws
| Txoj kab uas hla | Ntev | Nto | Kev Ua Haujlwm | Kev Siv Ib Txwm Muaj |
|---|---|---|---|---|
| Ø10–30 hli | 1000–6000 hli | Peeled los yog av | Txiav thiab sib tsoo | Cov xuas nrig kub thiab cov cuab yeej me me |
| Ø35–80 hli | 2000–6000 hli | Tau tev tawm los yog tig | Kev tso cai rau kev siv tshuab | Mandrels thiab cov cuab yeej shafts |
| Ø85–160 hli | Kev txiav ntev raws li koj xav tau | Rough tig mus | Tshuab txiav los yog tshuab | Cov khoom siv kub forging tuag |
| Ø165–300 hli | Ua raws li kev txiav txim | Forged thiab tig | UT thaum teev tseg | Cov cuab yeej ua haujlwm kub loj |
| Saum toj no Ø300 hli | Qhov project tshwj xeeb | Forged los yog machined | Yuav tsum tau muaj kev tshuaj xyuas txog kev txawj ntse | Cov blocks tuag hnyav thiab cov ntxig |
Kev Sib Piv Txog Cov Lus Qhia Sib Txawv
Kev Sib Piv ntawm Qhov Nto thiab Kev Tsim Khoom ntawm Round Bar
| Mob | Lub Ntsiab Lus Tseem Ceeb | Kev Siv Pom Zoo | Cov Lus Qhia Txog Kev Yuav Khoom |
|---|---|---|---|
| Kub dov Bar | Qhov chaw zeb pheej yig | Kev ua haujlwm tsis zoo | Qhia meej txog kev siv tshuab |
| Forged Bar | Haum rau cov ntu loj dua | Cov cuab yeej ua haujlwm kub hnyav | Yuav thov tau UT |
| Cov Khoom Siv Uas Tau Tev Lawm | Qhov chaw tsis muaj nplai | CNC machining | Txo qhov kev npaj nto |
| Tig Bar | Kev tso cai tswj hwm txoj kab uas hla | Cov cuab yeej ua haujlwm tsis tiav | Paub meej tias qhov loj ntawm kev ua haujlwm kawg |
| Av Bar | Kev kam rau siab thiab ua tiav du | Cov khoom siv precision | Hais txog h9, h8 lossis kos duab kam rau siab |
Kev Sib Piv Nrog Cov Hlau Ua Haujlwm Kub Sib Xws
| Qib | Lub Zog Tseem Ceeb | Kev Txwv Txheeb Ze | Kev Xaiv Ib Txwm Muaj |
|---|---|---|---|
| H11 / 1.2343 | Zoo toughness thiab kub checking tsis kam | Qhov tawv liab qis dua li cov tungsten-nplua nuj H21 | Cov cuab yeej ua haujlwm kub dav dav |
| H13 / 1.2344 | Siv dav thiab sib npaug qib ua haujlwm kub | Txawv sib npaug ntawm cov hlau sib txawv thiab kub hardness | Cov cuab yeej siv rau kev tuag casting thiab extrusion |
| H21 / 1.2581 | Siab tungsten liab hardness thiab hnav tsis kam | Qhov sib txawv ntawm qhov nyuaj dua li qee qib hlau qis dua | Cov punches kub, mandrels thiab forging tuag |
| H10 / 1.2365 | Lub zog kub zoo thiab kev sib npaug ntawm thermal qaug zog | Tsawg dua tungsten kub hardness dua li H21 | Cov cuab yeej kub thiab cov cuab yeej forging |
Cov Qauv Sib Npaug thiab Cov Npe Thoob Ntiaj Teb
| Lub kaw lus | Lub Npe | Kev Sib Raug Zoo |
|---|---|---|
| ASTM / AISI | H21 | Qib hlau ua haujlwm kub uas siv ntau |
| UNS | T20821 | UNS lub npe rau H21 hom hlau |
| DIN / W.Nr. | 1.2581 | Tus lej khoom siv German |
| Lub Npe EN | X30WCrV9-3 | Lub npe tshuaj lom neeg European |
| JIS | SKD5 | Cov lus sib txuas lus Nyij Pooj |
| Cov Lus Qhia Txog Suav | 3Cr2W8V | Cov lus qhia txog cov cuab yeej ua haujlwm kub hauv Suav teb |
| Tus Qauv Khoom | ASTM A681 / DIN EN ISO 4957 | Cov ntaub ntawv qhia txog cov cuab yeej hlau |
Cov Txheej Txheem Tsim Khoom
Cov ntaub ntawv alloying raug xaiv raws li qhov xav tau H21 chemistry.
Tshuaj lom neeg, kev huv thiab cov khoom seem raug tswj thaum lub sijhawm yaj.
Cov khoom siv ingot lossis billet zoo yog npaj rau kev ua haujlwm kub.
Cov khoom siv raug txo kom ua daim hlau puag ncig lossis daim hlau forged.
Kev ua kom kub hnyiab ua rau muaj kev siv tshuab ua ntej tsim cov cuab yeej kawg.
Cov tuav yuav raug tev tawm, tig, zom lossis txiav kom loj.
Qhov ntev, qhov chaw, qhov nyuaj thiab cov ntaub ntawv pov thawj raug kuaj xyuas.
Kev cim tus lej cua sov thiab kev ntim khoom xa tawm tau npaj tiav.
Kev Tshuaj Xyuas Khoom
| Kev Tshuaj Xyuas | Txoj Kev | Lub Hom Phiaj |
|---|---|---|
| Kev Tshuaj Xyuas Tshuaj | Kev tshuaj xyuas hauv chaw kuaj mob lossis kev tshuaj xyuas MTC | Paub meej tias H21 / 1.2581 tshuaj lom neeg |
| PMI | Kev txheeb xyuas cov khoom zoo | Muaj thaum teev tseg; tsis yog ib qho hloov pauv rau cov tshuaj lom neeg tag nrho |
| Kev Ntsuas Qhov Nyuaj | Kev xeem HB lossis HRC raws li siv tau | Paub meej tias qhov mob annealed lossis cua sov kho |
| Kev Tshuaj Xyuas Qhov Ntev | Kev kuaj xyuas Caliper, micrometer thiab qhov ntev | Xyuas kom meej tias txoj kab uas hla, qhov ntev thiab qhov kam rau ua |
| Kev Tshuaj Xyuas Nto | Kev tshuaj xyuas pom thiab tiav | Tshawb xyuas cov kab nrib pleb, nplai, voj voog lossis kev puas tsuaj ntawm kev tuav |
| Kev Ntsuas Ultrasonic | UT thaum teev tseg | Tshuaj xyuas qhov ruaj khov sab hauv ntawm qhov loj me tsim nyog |
| Kev Tshuaj Xyuas Kev Taug Qab | Tus lej cua sov thiab daim ntawv lo xyuas | Txuas cov khoom mus rau MTC thiab EN 10204 3.1 |
| Kev Tshuaj Xyuas Los Ntawm Sab Nraud | SGS, BV, TÜV lossis tus neeg soj ntsuam raug xaiv tsa | Yuav npaj tau thaum twg tau teev tseg |
Khoom Ntim Khoom
Cov tuav tuaj yeem tiv thaiv nrog roj, ntawv VCI, zaj duab xis lossis cov ntaub qhwv dej.
Cov hlua hlau, cov khoom sib cais thiab cov ntaub npuag txo qhov kev txav mus los thiab khawb.
Cov tuav av lossis cov tshuab ua haujlwm tuaj yeem tau txais cov hau kawg lossis kev tiv thaiv padded.
Cov khoom xa tawm raug xaiv raws li txoj kab uas hla, ntev thiab qhov hnyav.
Qib, qhov loj me, tus lej cua sov thiab cov cim xa khoom ntawm cov neeg siv khoom tuaj yeem khaws cia.
Cov Ntawv Thov, Kev Ua Haujlwm Tseem Ceeb thiab Kev Tsim Khoom
Cov Ntawv Thov Tseem Ceeb
- Kub forging tuag thiab tuag inserts
- Cov xuas nrig kub, cov mandrels thiab cov tuav xuas nrig
- Cov pwm extrusion thiab cov kab extrusion
- Cov cuab yeej casting rau cov hlau tsis yog ferrous xaiv
- Cov hniav txiav kub thiab cov cuab yeej txiav
- Header dies, ejector discs thiab cov khoom kub forming
Kev Ua Haujlwm Kub Siab
Cov tungsten ntau ntawm H21 txhawb nqa qhov kub thiab tiv taus kev mos ntawm qhov kub siab. Nws yog xaiv rau cov cuab yeej raug rau cov hlau kub sib cuag, ua kom sov thiab txias dua, thiab hnav thaum siv qhov kub siab. Kev ua tau zoo tiag tiag nyob ntawm qhov kub thiab txias, kev sib cuag siab, qhov txias thiab kev ua kom lubrication.
Kev siv tshuab tau
Feem ntau, kev siv tshuab ua tau zoo dua nyob rau hauv qhov xwm txheej annealed. Kev tig loj, milling, drilling thiab kev siv tshuab ua kom tsis zoo feem ntau ua tiav ua ntej hardening thiab tempering. Vim tias H21 muaj cov tungsten siab, kev xaiv cov cuab yeej, kev txiav ceev thiab kev tswj cov dej txias yuav tsum tau npaj kom zoo.
Kev Kho Mob Kub
Feem ntau H21 raug annealed ua ntej machining thiab tom qab ntawd hardened thiab tempered rau qhov nyuaj ua haujlwm xav tau. Austenitizing, quenching thiab tempering parameters yuav tsum tau xaiv raws li qhov loj me ntawm seem, cua sov cua sov, lub hom phiaj hardness thiab pwm geometry. Preheating thaum lub sijhawm pabcuam feem ntau yog qhov tseem ceeb los txo qhov thermal shock.
Kev Vuam thiab Kev Kho
Kev kho vuam yuav ua tau yog tias muaj cov txheej txheem vuam uas tsim nyog, cov hlau uas muab tso rau hauv, kev kho cua sov ua ntej thiab tom qab vuam. Rau cov pwm kub tseem ceeb, kev txiav txim siab kho yuav tsum xav txog kev pheej hmoo tawg, qhov sib txawv ntawm qhov nyuaj, qhov kub thiab txias thiab lub neej siv ntawm cov cuab yeej uas tseem tshuav.
Vim li cas thiaj xaiv SAKY STEEL?
Txoj kab uas hla, ntev, qhov chaw tiav thiab kev siv tshuab tuaj yeem muab tau raws li cov duab kos.
Kev txheeb xyuas cov khoom siv tuaj yeem khaws cia txij li ntawm cov ntaub ntawv sau mus rau qhov kawg ntim khoom.
MTC (Daim Ntawv Pov Thawj Xeem Zeb / 质保书) tuaj yeem muab tau raws li daim ntawv xaj yuav khoom.
Cov ntaub ntawv pov thawj EN 10204 3.1 muaj thaum teev tseg los ntawm daim ntawv xaj.
Kev tshuaj xyuas qhov nyuaj, qhov ntev, PMI thiab UT tuaj yeem npaj tau thaum teev tseg.
Cov pob khoom, cov thawv ntoo, cov pallets thiab cov cim xa khoom ntawm cov neeg siv khoom tuaj yeem npaj tau.
Cov Lus Nug Feem Ntau
DIN 1.2581 H21 cov hlau siv yog dab tsi?
DIN 1.2581 H21 yog cov hlau tungsten-alloyed kub ua haujlwm. Nws yog siv rau cov cuab yeej ua haujlwm hauv qab qhov kub siab, hnav thiab thermal cycling, xws li kub forging dies, kub punches thiab extrusion tooling.
Puas yog H21 zoo ib yam li SKD5?
H21 thiab SKD5 feem ntau yog siv cov lus sib piv rau tib hom tungsten kub ua haujlwm hlau. Qhov sib npaug kawg tseem yuav tsum tau lees paub los ntawm tus qauv xav tau, cov tshuaj lom neeg sib xyaw, kev kho cua sov thiab kev tshuaj xyuas.
Tus qauv twg siv rau H21 cov cuab yeej hlau bar?
ASTM A681 feem ntau yog siv rau AISI H21 cov hlau siv, thaum DIN EN ISO 4957 siv tau rau DIN 1.2581 / X30WCrV9-3. Daim ntawv yuav khoom yuav tsum qhia meej txog tus qauv thiab kev hloov kho tshiab.
Qhov zoo tshaj plaws ntawm H21 piv rau H13 yog dab tsi?
H21 muaj cov tungsten ntau dua, uas ua rau cov xim liab tawv dua thiab tiv taus kev mos hauv qee qhov kev siv kub siab. H13 siv dav dua thiab muaj qhov sib npaug sib txawv ntawm kev tawv, kev tiv taus kev qaug zog thermal thiab kev muaj.
Puas yog H21 bar tuaj yeem muab av los yog tev tawm?
Yog. Cov nto dub, tev tawv, tig thiab av tuaj yeem tham txog raws li txoj kab uas hla, kev kam rau siab thiab qhov yuav tsum tau ua tiav zaum kawg. Cov pas nrig av yog qhov tsim nyog rau qhov twg xav tau kev tswj hwm txoj kab uas hla nruj dua lossis kev ua tiav ntawm qhov chaw zoo dua.
Puas muaj kev kuaj ultrasonic rau H21 tuav?
UT tuaj yeem npaj rau cov kab uas hla thiab cov hlau forged uas tsim nyog thaum tau teev tseg. Daim ntawv xaj yuav tsum txhais cov txheej txheem sim, qib kev lees txais thiab qhov yuav tsum tau tshaj tawm.
Puas muab tau MTC thiab EN 10204 3.1?
SAKY STEEL tuaj yeem muab cov ntaub ntawv MTC thiab EN 10204 3.1 raws li daim ntawv yuav khoom. Cov ntaub ntawv qhia txog qhov nyuaj, qhov ntev, PMI lossis UT kuj tseem yuav raug npaj thaum teev tseg.
