SAE AMS 6359L 4340 Alloy Steel Flat Bar
Kev Piav Qhia Luv:
4340 Alloy Steel Flat Bar Chaw Muag Khoom | Q&T Phaj 10 × 400 × 700mm nrog MTC
4340 hlau alloy tiaj tiaj hauv 10 × 400 × 700mm loj, muab rau hauv cov kub dov quenched thiab tempered mob. Cov ntaub ntawv MTC uas tau txheeb xyuas suav nrog lub zog siab, kev cuam tshuam toughness, UT kev tshuaj xyuas, qhov loj me me, thiab kev taug qab cua sov tag nrho.
4340 Alloy Steel Tiaj Tus Bar 10 × 400 × 700mm | Q&T Phaj nrog Cov Ntaub Ntawv MTC Tau Txheeb Xyuas
4340 hlau alloy hlau tiaj tiaj baryog ib qho khoom siv hlau nickel-chromium-molybdenum uas muaj zog heev uas muab los ntawmkub dov quenched thiab tempered mobRaws li daim ntawv pov thawj kuaj xyuas lub zeb, cov khoom no muaj cov tshuaj lom neeg tswj tau, cov qoob loo siab thiab lub zog tensile, qhov cuam tshuam zoo, qhov nyuaj ntawm kev xa khoom ruaj khov, qhov loj me ntawm cov noob zoo, thiab kev tshuaj xyuas ultrasonic tsim nyog. Nws yog qhov tsim nyog rau kev siv tshuab, cov cuab yeej siv, cov phaj txhawb nqa, cov khoom siv hnyav, thiab lwm yam kev siv engineering tseem ceeb.
Cov khoom no muaj nyob rau hauv10 × 400 × 700 hliqhov loj thiab yog tsim los ntawmKev ua kom huv EAF + LF + VD, muab cov hlau zoo huv dua thiab ruaj khov sab hauv rau cov neeg yuav khoom lag luam uas tab tom nrhiav4340 hlau phaj, 4340 hlau alloy hlau tiaj tiaj bar, los yog4340 Q&T hlau phaj.
Txheej Txheem Cej Luam Khoom
4340 hlau alloy yog siv dav qhov twg xav tau lub zog siab, tawv, thiab tawv. Piv nrog cov hlau qauv ib txwm muaj, 4340 muab cov lus teb zoo dua rau kev kho cua sov thiab kev ua haujlwm txhim khu kev qha dua nyob rau hauv cov xwm txheej hnyav. Qhov no ua rau nws haum rau cov khoom uas xav tau ob qho tib si lub zog thiab kev cuam tshuam.
Tsis zoo li cov khoom lag luam annealed ib txwm muaj, cov khoom no tau xa tuaj rau hauvquenched thiab tempered mob, uas txhais tau tias cov khoom twb tau ua tiav lawm los muab lub zog thiab kev tawv zoo dua. Raws li cov ntaub ntawv MTC tiag tiag, qhov kev sim ua kom muaj zog ncav cuag928–964 MPa, lub zog tensile ncav cuag1061–1091 MPa, elongation yog18%, thiab lub zog cuam tshuam ncav cuag53.0–55.3 J.
Vim li cas thiaj xaiv qhov 4340 Alloy Steel Flat Bar no
- Tau lees paub lub zog siab:Lub zog tawm los 928–964 MPa thiab lub zog tensile 1061–1091 MPa.
- Kev ruaj khov zoo:Lub zog cuam tshuam 53.0–55.3 J rau kev siv hauv kev lag luam uas nyuaj.
- Ruaj khov kho:Kev tswj hwm qhov nyuaj ntawm kev xa khoom ntawm kwv yees li 33.5–34.1 HRC.
- Cov hlau huv si zoo:Tsim los ntawm EAF + LF + VD nrog cov phosphorus thiab sulfur tsawg.
- Kev tsim nyog sab hauv zoo:Qhov loj ntawm cov noob, kev suav nrog, macrostructure, thiab kev kuaj ultrasonic muaj.
- Kev nrhiav tau tag nrho:Tus lej cua sov, Tus lej tsim khoom, thiab Tus lej cua sov niam tau sau tseg rau ntawm MTC.
Cov Ntaub Ntawv Tseem Ceeb ntawm Khoom
| Khoom | Tus nqi |
|---|---|
| Qib Hlau | 4340 |
| Daim Ntawv Khoom | Phaj / Tiaj Bar |
| Loj | 10.00 × 400.00 × 700.00 hli |
| Kev Xa Khoom | Kub dov Quenched thiab Tempered |
| Cov Lus Qhia Tshwj Xeeb | Z034-2022C |
| Txoj Kev Smelting | EAF + LF + VD |
| Kub Tsis Muaj. | 422V2-756 |
| Tus lej tsim khoom. | 2205-404-ZCM8462 |
| Niam Kub No. | 4225-1040 |
Cov Tshuaj Lom Zem
| Khoom | Qhov Yuav Tsum Tau Ua (%) | Tus Nqi Tseeb (%) | Kev Ua Raws Cai |
|---|---|---|---|
| C | 0.38 – 0.43 | 0.41 | Yog |
| Si | 0.15 – 0.35 | 0.25 | Yog |
| Mn | 0.60 – 0.80 | 0.76 | Yog |
| P | 0.00 – 0.035 | 0.006 | Yog |
| S | 0.00 – 0.04 | 0.003 | Yog |
| Cr | 0.70 – 0.90 | 0.83 | Yog |
| Mo | 0.20 – 0.30 | 0.26 | Yog |
| Ni | 1.65 – 2.00 | 1.83 | Yog |
Cov tshuaj lom neeg uas tau sim ua pov thawj tias muaj kev sib npaug4340 Ni-Cr-Mo alloy systemCov phosphorus thiab sulfur tsawg pab txhim kho kev huv thiab kev ntseeg siab ntawm cov hlau, thaum cov Ni-Cr-Mo ua ke txhawb nqa kev ua kom tawv thiab kev ua haujlwm ruaj khov.
Cov Khoom Siv Kho Tshuab
| Vaj tse | Qhov Yuav Tsum Tau Ua | Qhov Tshwm Sim Tseeb | Kev Ua Raws Cai |
|---|---|---|---|
| Lub Zog Tawm Rp0.2 | ≥ 850 MPa | 928 / 964 MPa | Yog |
| Lub zog tensile Rm | ≥ 900 MPa | 1061 / 1091 MPa | Yog |
| Kev ncab A | ≥ 18% | 18.0 / 18.0% | Yog |
| Lub zog cuam tshuam KV2 | ≥ 45 J | 55.3 / 53.0 J | Yog |
Kev Xa Khoom Hardness
| Khoom Siv Kuaj | Qhov Tshwm Sim Tseeb |
|---|---|
| Kev Xa Khoom Hardness (HRC) | 33.5, 33.7, 33.9 / 33.6, 33.8, 34.1 |
Cov txiaj ntsig ntawm qhov nyuaj yog nqaim thiab sib xws, qhia txog kev tswj hwm cov txheej txheem zoo thiab kev ua haujlwm ruaj khov rau cov neeg siv khoom xav tau kev ntseeg siab4340 quenched thiab tempered steel phaj.
Kev Tshuaj Xyuas thiab Kev Ntsuas Zoo
| Khoom Tshuaj Xyuas | Qhov tshwm sim |
|---|---|
| Kev suav nrog tsis yog hlau | Tsim nyog |
| Qhov Loj ntawm Austenitic Grain | Qib 8.0 |
| Kev Tshuaj Xyuas Macrostructure | Tsim nyog |
| Kev Sib Cais ntawm Ingot | 0.5 / 0.5 |
| Porosity tawg | 0.5 / 0.5 |
| Qhov Nruab Nrab Porosity | 0.5 / 0.5 |
| Kev Ntsuas Ultrasonic | GB/T 4162 Chav Kawm A Tsim Nyog |
| Nto, Qhov Loj thiab Duab | Tsim nyog |
Cov Ntsiab Lus Tseem Ceeb ntawm Cov Khoom Siv Tau Txheeb Xyuas
- Qib:4340
- Loj:10 × 400 × 700 hli
- Mob:Kub dov + Quenched thiab Tempered
- Kev ua kom zoo:EAF + LF + VD
- Lub Zog Tawm:928–964 MPa
- Lub zog tensile:1061–1091 MPa
- Kev ntev:18%
- Lub zog cuam tshuam:53.0–55.3 J
- Qhov nyuaj:33.5–34.1 HRC
- Qhov Loj ntawm Cov Nplej:Qib 8.0
- Kev Tshuaj Xyuas UT:GB/T 4162 Chav Kawm A Tsim Nyog
- Kev taug qab tau:Tus lej cua sov / Tus lej tsim khoom / Tus lej cua sov niam muaj
Cov ntawv thov
Lub4340 hlau hlau tiaj tiaj bar 10 × 400 × 700mmyog tsim rau ntau yam kev siv ua haujlwm hnyav thiab kev ua haujlwm raug, suav nrog:
- Cov phaj txhawb nqa
- Cov khoom siv tshuab hnyav
- Cov hauv paus cuab yeej
- Cov phaj kho kom zoo nkauj
- Cov phaj thaub qab
- Cov khoom siv hlau uas muaj zog
- Kev cai machining Tshuag
- Cov khoom siv engineering uas xav tau ob qho tib si lub zog thiab kev tawv
Cov Lus Nug Feem Ntau
Dab tsi yog 4340 alloy steel tiaj tiaj bar siv rau?
4340 hlau alloy steel tiaj tiaj yog siv dav rau cov khoom siv muaj zog thiab cov khoom siv kho tshuab, suav nrog cov cuab yeej siv, cov phaj txhawb nqa, cov khoom siv tshuab, thiab cov khoom siv tshuab uas xav tau kev tawv thiab lub zog.
Cov khoom siv 4340 no puas tau muab los ntawm kev kho cua sov?
Yog. Raws li daim ntawv pov thawj kuaj zeb, cov khoom no tau muab rau hauvkub dov quenched thiab tempered mob.
Muaj pes tsawg qhov loj me rau cov khoom no?
Qhov loj me uas muaj nyob rau ntawm MTC yog10 × 400 × 700 hli.
Cov khoom siv kho tshuab tiag tiag ntawm lub phaj 4340 no yog dab tsi?
Cov nqi kuaj yog cov zog tawm928 / 964 MPa, lub zog tensile1061 / 1091 MPa, kev ntev18.0%, thiab lub zog cuam tshuam55.3 / 53.0 J.
Qhov nyuaj ntawm 4340 alloy steel tiaj tiaj no yog dab tsi?
Qhov kev xa khoom nyuaj yog kwv yees li33.5–34.1 HRC.
Cov khoom siv puas muaj kev kuaj ultrasonic?
Yog. Lub MTC qhiaGB/T 4162 Chav Kawm A kev kuaj ultrasonic tsim nyog.
Cov tshuaj lom neeg puas nyob hauv qhov ntau thiab tsawg tus qauv?
Yog. Cov tshuaj lom neeg uas tau kuaj xyuas yog nyob rau hauv cov qauv txheem teev tseg, suav nrog C 0.41, Si 0.25, Mn 0.76, Cr 0.83, Mo 0.26, Ni 1.83, P 0.006, thiab S 0.003.
Puas muaj kev taug qab tag nrho?
Yog. MTC suav nrogTus lej cua sov, Tus lej tsim khoom, thiab Niam Tus lej cua sov.rau kev taug qab cov khoom lag luam txhim khu kev qha.
