Dab tsi yog qib ntawm stainless hlau yog 1.4057?
1.4057 stainless hlau yog qib martensitic, tseem hu ua AISI 431, Alloy 431, UNS S43100 thiab SS 2321. Nws nta siab tensile lub zog, zoo heev torsional zog thiab zoo cuam tshuam toughness; Nws yog feem ntau siv rau tsav shafts thiab kiv cua shafts, twj tso kua mis thiab valve Cheebtsam, piston rods thiab heavy-duty fasteners. Hais txog kev kho cua sov, nws ib txwm muab rau hauv lub xeev tempered thiab quenched (QT), feem ntau QT800 lossis QT900.
Cov kev cai rau 1.4057 stainless hlau yog dab tsi?
| Yam khoom | Qhov tseeb |
|---|---|
| Qib | X17CrNi16-2 |
| Khoom naj npawb | 1.4057 |
| Kev faib tawm | Martensitic stainless hlau |
| Qhov ntom | 7.7 g / cm³ |
| Cov kev cai siv tau | TS EN 10088-3: 2005 Stainless hlau TS EN 10272: 2007 Cov khoom siv ua tiav rau cov khoom tiav, tuav, rods, hlau, profiles thiab cov khoom ci ntsa iab ua los ntawm cov khoom siv dav dav rau kev tiv thaiv corrosion-resistant steelsEN 10272: 2007 Stainless hlau tuav |
Cov ntaub ntawv twg yog 1.4057 sib npaug?
| EU EN | Teb chaws USA | Lub teb chaws Yelemees DIN/W.Nr | Tuam Tshoj GB | Poland NP | Russia GOST |
|---|---|---|---|---|---|
| X17CrNi16-2 | 431 | X17CrNi16-2 | 1Cr17Ni2 ML1Cr17Ni2 | 2 H17N2 | 14 KH17N2/20KH17N2 |
Cov tshuaj muaj pes tsawg leeg ntawm stainless hlau 1.4057 (X17CrNi16-2)
| txwv | c | Yog lawm | mn | Q | Yog lawm | Cr | mo | Tsis yog | V |
|---|---|---|---|---|---|---|---|---|---|
| Yam tsawg kawg nkaus | 0.12 | - | - | - | - | 15.0 Nws | - | 1.5 | - |
| Qhov siab tshaj plaws | 0.22 | 1.0 | 1.5 | 0.04 ib | 0.015 ib | 17.0 Nws | - | 2.5 | - |
Txhua yam khoom ntawm stainless hlau 1.4057
| Cov xwm txheej muab khoom | Cov cuab yeej cuab tam | 100 degrees | 150 degrees | 200 degrees | 250 degrees | 300 degrees | 350 degrees | 400 degrees |
|---|---|---|---|---|---|---|---|---|
| + QT800 | Yield zog Re (MPa) | >515 | >495 | >475 | >460 | >440 | >405 | >355 |
| + QT900 | Yield zog Re (MPa) | >565 | >525 | >505 | >490 | >470 | >430 | >375 |
Kev kho cua sov ntawm stainless hlau 1.4057
| Txheej txheem | Kub (degree) | Txias hom |
|---|---|---|
| kub sib sau | 1100 - 800 | Qhov cub, qeeb txias |
| Softening annealing (+A) | 680 - 800 | Qhov cub, cua |
| Hardening | 950 - 1050 | Roj, huab cua los yog polymer |
| QT800 Kev tsim kho | 750 - 800 + 650 - 700 | dej los yog cua |
| QT900 Kev sib tw | 600 - 650 | dej los yog cua |
Daim ntawv thov ntawm stainless hlau 1.4057
Tsav shafts thiab kiv cua shafts
Pump thiab valve qhov chaw
Fastening ntsiab, screws thiab ceev
Piston pas nrig thiab bearings
Cov khoom siv tshuaj thiab roj av
Dab tsi yog qhov corrosion kuj ntawm 1.4057 stainless hlau?
Hauv tsev neeg ntawm martensitic steels (400 series), 1.4057 muaj ib qho zoo tshaj plaws corrosion kuj. Tiv thaiv corrosion los ntawm dej tshiab, dej hiav txwv cua thiab qee yam tshuaj lom neeg (tsis muaj zog acids thiab oxidants). Txawm li cas los xij, nws qhov kev tiv thaiv corrosion yog qis dua li ntawm austenitic steels (xws li 304 lossis 316L), yog li nws tsis pom zoo siv rau hauv qhov chaw muaj kua qaub lossis cov tshuaj chloride siab.
1.4057 stainless hlau puas tuaj yeem welded?
Nws qhov weldability yog qhov tsawg. Vim nws cov ntsiab lus carbon siab thiab nyiam ua kom tawv, nws yooj yim heev rau kev sib tsoo txias thaum vuam. Yog hais tias nws yog ib qho tseem ceeb rau welding nws yuav tsum tau preheating ntawm 200 degrees thiab 300 degrees, thiab tam sim ntawd tom qab vuam annealing yuav tsum tau ua kom txo tau kev ntxhov siab. Nws raug nquahu kom siv cov fillers sib npaug rau lub hauv paus hlau lossis austenitic (xws li 308L lossis 309L, txawm hais tias tom kawg yuav txo lub zog ntawm vuam).
Yog 1.4057 magnetic?
Yog lawm. 1.4057 muaj cov qauv martensitic thiab nthuav tawm muaj zog ferromagnetism, ob qho tib si hauv lub xeev annealed thiab tom qab kev kho cua sov (nws nyiam cov hlau nplaum).
Qhov sib txawv ntawm 1.4057 thiab 1.4021 (AISI 420)
1.4057 muaj nyob nruab nrab ntawm 1.5% thiab 2.5% npib tsib xee, thaum 1.4021 zoo li npib tsib xee. Ua tsaug rau nws cov ntsiab lus ntau dua chromium thiab npib tsib xee, 1.4057 muaj kev tiv thaiv corrosion ntau dua li 1.4021. Qhov sib ntxiv ntawm npib tsib xee kuj tseem ua rau nws zoo dua qhov kub tsis tshua muaj kev cuam tshuam qhov hnyav dua li 1.4021.
Chaw tsim tshuaj paus ntawm stainless hlau daim hlau thiab tuav 1.4057 / AISI 431
Tag nrho peb cov khoom siv 1.4057 yog los ntawm cov qib siab tshaj plaws steel mills thiab muaj Daim Ntawv Pov Thawj Khoom Siv (MTC) raws li EN 10204 3.1. cov cai. Peb lav tag nrho traceability los ntawm raw khoom mus rau cov khoom tiav. Peb muaj cov khoom lag luam loj ntawm cov qauv loj ntawm cov kab tuav thiab daim hlau, uas tso cai rau peb lub sijhawm xa khoom luv (3 mus rau 7 hnub) rau cov haujlwm ceev. Txhua feem tau txais kev tshuaj xyuas nruj, suav nrog kev kuaj ultrasonic (UT) kom txiav txim siab qhov tsis xws luag sab hauv thiab kev txheeb xyuas cov khoom zoo (PMI) txhawm rau txheeb xyuas cov tshuaj muaj pes tsawg leeg ua ntej xa khoom.
Specifications ntawm stainless hlau phaj thiab tuav 1.4057 / AISI 431
Peb muab ntau yam ntawm 1.4057 steel khoom raws li lub zog siab thiab nruab nrab corrosion kuj yuav tsum tau.
| Khoom hom | Qhov ntau thiab tsawg (mm) | Nto tiav | Cov xwm txheej muab khoom |
|---|---|---|---|
| puag ncig bar | Txoj kab uas hla: 5.0-600 | Dub, roughed, polished, hauv av | Annealing / QT800 / QT900 |
| tiaj tus bar | Thickness: 5-120 Dav: 20-500 | Dub, pickled, sandblasted | Quenching thiab tempering (QT) |
| Square / hexagonal bar | Loj: 10-150 | Bright, txias kos, polished | Annealed/QT Xeev |
| Phaj / Ntawv | Thickness: 0.5 - 100 Qhov siab tshaj plaws: 2500 | No.1, 2B, polished | Kev tsim kho / QT800 |
| forged blocks | Kev cai loj txog li 20 tons | ntxhib machining | Quenched thiab tempered |
AISI 431 stainless hlau round bar
Cov kev pabcuam ntxiv
Precision txiav: CNC sawing rau tuav thiab laser, plasma lossis dej dav hlau txiav rau daim hlau.
Kev kho deg: tsis muaj kev sib tsoo, polishing (daim iav lossis satin tiav) thiab tua blasting.
Kev kuaj thiab tshuaj xyuas: Ultrasonic kuaj (UT), sib nqus particle soj ntsuam (MPI), tshuaj ntsuam xyuas thiab cov cuab yeej siv tshuab.
Yog tias koj qhov project xav tau 1.4507 stainless hlau tuav thiab daim hlau, peb yuav zoo siab ua raws li koj cov xaj. GNEE muaj cov khoom lag luam loj ntawm cov khoom lag luam siab rau koj xaiv. Hu rau peb lub Hoobkas hnub no; Peb muab cov nqi sib tw thiab kev pabcuam zoo heev. Email:es@gescosteel.com
