17-4 PH stainless hlau—hu ua UNS S17400—yog ib qho hlau uas ua rau cov nag lossis daus tawv vim nws muaj zog heev, tiv taus xeb, thiab hloov tau yooj yim rau kev kho cua sov. Nws txoj kev sib xyaw ua ke ntawm kev ruaj khov thiab kev ruaj khov ntawm tshuaj lom neeg ua rau nws yog ib yam khoom siv uas nyiam siv thoob plaws hauv kev lag luam xws li aerospace, cov khoom siv kho mob, kev ua tshuaj lom neeg, thiab kev tsim kho tiv thaiv.
Thaum xav tau lwm txoj hauv kev, cov ntaub ntawv sib npaug rau17-4 PHsuav nrog cov qib zoo li DIN 1.4542 thiab AISI 630. Cov kev hloov pauv no muab cov yam ntxwv kev ua tau zoo zoo sib xws, ua rau lawv haum rau ntau yam kev siv hauv kev lag luam.
17-4PH Stainless Hlau Qib
| ASTM/AISI | DIN | JIS | GB |
| 17-4PH/630 | 1.4542 | SUS630 | 05Cr17Ni4Cu4Nb |
Cov Tshuaj Lom Zem ntawm 17-4PH Stainless Steel
| C | Mn | Si | P | S | Cr | Ni | Cu | Mo |
| 0.07 | 1.0 | 1.0 | 0.04 | 0.03 | 15.0-17.5 | 3.0-5.0 | 3.0-5.0 | 0.50 |
• Chromium (15-17.5%): Muab kev tiv thaiv xeb.
• Nickel (3-5%): Ua kom muaj zog dua.
• Tooj liab (3-5%): Tseem ceeb rau kev ua kom tawv thaum nag los.
• Cov pa roj carbon (<0.07%): Tswj tau qhov ductility thiab toughness.
17-4PH Cov Khoom Siv Kho Tshuab Stainless Hlau
| Khoom siv | Mob | Tensile (ksi) | Cov txiaj ntsig 0.2% offset (ksi) | Kev ntev | Kev txo qis ntawm thaj chaw | Brinell Hardness | Rockwell Hardness |
| 17-4PH | H900 | 190 | 170 | 10% | 40% | 388-444 HB | 40-47 HRC |
| H925 | 170 | 155 | 10% | 44% | 375-429 HB | 38-45 HRC | |
| H1025 | 155 | 145 | 12% | 45% | 331-401 HB | 34-42 HRC | |
| H1075 | 145 | 125 | 13% | 45% | 311-375 HB | 31-38 HRC | |
| H1100 | 140 | 115 | 14% | 45% | 302-363 HB | 30-37 HRC | |
| H1150 | 135 | 105 | 16% | 50% | 277-352 HB | 28-37 HRC |
Cov Khoom Tseem Ceeb ntawm 17-4 PH Stainless Steel
1. Lub Zog Zoo Kawg Nkaus: Muab lub zog tensile zoo kawg nkaus txij li 1000 txog 1400 MPa, ua rau nws zoo tagnrho rau cov ntawv thov siab.
2. Kev Tiv Thaiv Kev Sib Tsoo Zoo Tshaj Plaws: Sib piv rau 304 stainless hlau, tseem muaj kev tiv thaiv zoo dua tiv thaiv kev ntxhov siab-xeb tawg hauv qhov chaw ib puag ncig hnyav.
3. Kev Kho Mob Kub Yooj Yim: Cov khoom siv kho tshuab tuaj yeem hloov kho kom raug los ntawm cov txheej txheem ua kom tawv xws li H900, H1025, thiab H1150.
4. Kev Ruaj Khov Zoo Tshaj Plaws: Tswj tau qhov ruaj khov ntawm cov qauv txawm tias nyob rau hauv qhov kub thiab txias heev thiab cov xwm txheej kev pabcuam nyuaj.
Kev Kho Mob Kub thiab Kev Ua Kom Nag Los
Qhov ua rau 17-4 PH stainless hlau sib txawv yog nws lub peev xwm zoo kawg nkaus rau kev ua kom tawv tawv - ib qho txheej txheem kho cua sov uas ua rau nws cov kev ua haujlwm zoo dua. Los ntawm kev ua kom sov cov hlau kom txog thaum kub thiab txias raws li kev tswj hwm kev laus, nws cov khoom tuaj yeem kho tau zoo. Cov xwm txheej kho cua sov ib txwm muaj xws li:
• H900: Muab cov qib zog siab tshaj plaws.
• H1150: Muaj kev tiv taus xeb zoo dua thiab muaj zog dua.
Qhov kev hloov pauv no ua rau cov engineers tuaj yeem kho cov yam ntxwv ntawm cov khoom kom tau raws li qhov xav tau tshwj xeeb ntawm ntau yam kev siv hauv kev lag luam.
Cov ntawv thov ntawm 17-4 PH Stainless Steel
Cov khoom zoo tshaj plaws ntawm 17-4 PH stainless hlau ua rau nws zoo tagnrho rau ntau yam kev siv:
• Kev Siv Dav Hlau: Siv rau hauv kev sib dhos ua ke, cov khoom siv turbine, thiab cov khoom siv txuas ua haujlwm siab.
• Kev Kho Mob: Zoo tagnrho rau cov cuab yeej phais mob thiab cov khoom siv cog ruaj khov.
• Kev Ua Tshuaj: Siv rau hauv cov reactors thiab cov khoom siv uas tiv taus kev raug tshuaj lom neeg hnyav.
• Roj & Roj Av: Feem ntau nyob rau hauv cov twj tso kua mis, cov li qub, thiab lwm yam khoom uas raug kev kub siab thiab cov xov xwm corrosive.
• Kev Tiv Thaiv Teb Chaws: Ntseeg siab rau kev tsim cov khoom siv ruaj khov hauv cov khoom siv tub rog.
Cov ntawv thov no qhia txog nws qhov kev ntseeg tau hauv cov chaw nyuaj uas ob qho tib si lub zog thiab lub neej ntev yog qhov tseem ceeb.
Vim li cas ho xaiv 17-4 PH Stainless Steel?
17-4 PH stainless hlau ua qhov kev daws teeb meem zoo tshaj plaws thaum cov ntawv thov hu rau:
• Lub zog kho tshuab zoo heev los tiv taus cov khoom hnyav thiab kev ntxhov siab.
• Kev tiv taus xeb txhim khu kev qha hauv qhov chaw ua haujlwm hnyav lossis nyuaj.
• Cov kev xaiv kho cua sov uas yoog tau los kho cov yam ntxwv ntawm kev ua haujlwm.
Nws qhov ua tau ntev thiab hloov tau yooj yim ua rau nws yog qhov kev xaiv ntseeg siab thoob plaws hauv kev lag luam uas xav tau cov khoom siv ua tau zoo thiab siv tau ntev.
Xaus lus
Kev sib xyaw ua ke ntawm lub zog siab, kev tiv taus corrosion zoo heev, thiab kev hloov pauv tau zoo heev, 17-4 PH stainless hlau yog qhov kev xaiv zoo dua rau cov ntawv thov tseem ceeb. Thaum piv rau cov qib ib txwm muaj xws li 304 thiab 316, nws txawv nws tus kheej nrog kev ntseeg siab zoo tshaj plaws hauv cov xwm txheej hnyav. Nws muaj nyob rau ntawm tus nqi sib tw - tshwj xeeb tshaj yog nyob rau hauv kev ua lag luam xws li Is Nrias teb - ntxiv txhim kho nws qhov kev nyiam rau ntau yam kev siv hauv kev lag luam, xa ob qho tib si kev ua tau zoo thiab tus nqi.
Lub sijhawm tshaj tawm: Tsib Hlis-07-2025