15-7PH/UNS S15700 Plate, Bar, Forging
Samfuran Samfura
Bututu mara nauyi, Faranti, Sanda, Forgings, Fasteners, Kayan aikin bututu.
Ka'idojin samarwa
| Samfura | ASTM |
| Bars, tube da bayanan martaba | 564, A 484 |
| Plate, Sheet da Strip | 693, A 480 |
| Forgings | 705, A 484 |
Haɗin Sinadari
| % | Fe | Cr | Ni | Mo | C | Mn | Si | P | S | Al |
| Min | daidaitacce | 14.0 | 6.50 | 2.00 |
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| 0.75 |
| Max | 16.0 | 7.75 | 3.00 | 0.09 | 1.00 | 1.00 | 0.040 | 0.030 | 1.50 |
Abubuwan Jiki
| Yawan yawa | 7.81 g/cm 3 |
| Narkewa | 1415-1450 ℃ |
15-7PH Abubuwan Abubuwan Kayayyakin
15-7PH ne Semi-austenitic hazo hardening bakin karfe tare da babban ƙarfi, high taurin da kyau lalata juriya.Juriya gabaɗaya a cikin yanayin zafi da aka bi da su na TH 1050 da RH 950 ya fi muni fiye da na daidaitattun bakin ƙarfe masu ƙarfi na jerin 400 na tushen chromium, amma bai yi kyau ba kamar na 304 na bakin karfe na chromium-nickel.
PH15-7Mo (nau'in 632) daidaitattun ƙasa 0Cr15Ni7Mo2Al, Japan SUS632, ƙarfe ne da aka haɓaka ta hanyar maye gurbin 2% na chromium a cikin 0Cr17Ni7Al karfe tare da 2% molybdenum.Asalin kaddarorin sa sun yi kama da 0Cr17Ni7Al karfe, amma gabaɗayan aikin ya fi shi.A cikin jihar Austenite, yana iya jure wa nau'ikan sanyi daban-daban da hanyoyin waldawa, sannan ana iya samun mafi girman ƙarfi bayan maganin zafi;yana da kyau kwarai high zafin jiki ƙarfi kasa 550 ℃.Ana amfani da shi wajen kera sassan tsarin jirgin sama na bakin ciki mai bango, kwantena daban-daban, bututu, maɓuɓɓugan ruwa, magudanar bawul, magudanar ruwa, fayafai na kwampreso, sassan reactor, da kayan aikin sinadarai daban-daban da sauran sassan tsarin.
Tsarin Jiyya na Zafin 15-7PH: Jiha, Jiha TH1050, Jiha RH950, Jiha CH900 Tsarin Kula da Zafi uku
Jiha A: Bayan maganin maganin a 1050 ° C, sanyaya ruwa ko sanyaya iska.Tsarin metallographic yana da alaƙa da austenite.
Jihar TH1050: Bayan maganin bayani a 1050 ° C, kiyaye a 760 ° C ± 15 ° C don 90min, iska mai sanyi, sanyi zuwa 15 ° C ko zafin jiki a cikin 1h, kiyaye 30min, sannan zafi zuwa 565 ° C ± 10 °C, ajiye tsawon 90min a cikin iska, wanda kuma aka sani da 565°C tsufa.Tsarin metallographic yana halin hazo hardening martensite.
RH950 jihar: Bayan maganin maganin a 1050 ° C, kiyaye a 955 ° C ± 15 ° C na minti 10, iska mai sanyi zuwa zafin jiki, sanyi zuwa -73 ° C ± 6 ° C a cikin sa'o'i 24, kiyaye 8 hours, sa'an nan kuma zafi zuwa 510 ° C± 6 ° C, ajiye tsawon minti 60 a cikin sanyaya iska, Wanda kuma aka sani da 510 ℃ tsufa.Tsarin metallographic yana da halin hazo hardening martensite.
Jihar CH900: Bayan maganin maganin a 1050 ° C, mirgina sanyi tare da nakasar 60%, dumama zuwa 490 ° C na 60min, sanyaya iska zuwa zafin jiki.Tsarin metallographic yana halin hazo hardening martensite.
15-7PH Kayayyakin Injini
(15-7PH) Kayan aikin injiniya na 0Cr15Ni7Mo2Al a zafin jiki
Ƙarfin ƙarfi σb (MPa): 565°C tsufa: ≥1210;510°C tsufa: ≥1323;
Ƙarfin yawan amfanin ƙasa σ0.2 (MPa): 565°C tsufa: ≥1097.6;510°C tsufa: ≥1210;
Tsawaitawa δ5 (%): 565°C tsufa: ≥17;510°C tsufa: ≥6;
Rage yanki ψ (%): tsufa a 565 ° C: ≥25;tsufa a 510 ° C: ≥20;
Hardness HB: Jiha A: ≤269;Tsufa a 565°C: ≥375;Tsufa a 510°C: ≥388;
15-7PH Yankunan Aikace-aikacen Abu
(15-7PH) 0Cr15Ni7Mo2Al bakin karfe ana amfani dashi sosai a masana'antar sinadarai.An fi amfani dashi don kera kwantena daban-daban, bututu, maɓuɓɓugan ruwa, diaphragms, da sauransu tare da juriya mai kyau da ƙarfi mai ƙarfi.Juriyarsa lalata ta zarce na martensitic bakin karfe, hazo Martensitic hardening bakin karfe da maraging bakin karfe.
Ƙaƙƙarfan ƙaho, welded and brazed panels na saƙar zuma, diaphragms na jirgin sama, maɓuɓɓugan ruwa, riƙon zobba.Yi maɓuɓɓugar ruwa.zafi da'irar.Na'urorin haɗi.Wukakan likitanci.hako mai.
