DESCRIPTION
304H is an austenitic stainless steel, ine 18-19% chromium uye 8-11% nickel ine huwandu hwe0.08% kabhoni. 304H Stainless simbi mapaipi ndiwo anonyanya kushandiswa uye anoshandiswa zvakanyanya mumhuri yesimbi isina tsvina. Ivo vanoratidza yakanakisa corrosion kuramba, simba rakakura, kureruka kwekugadzira, uye kuumbwa kwakanyanya. Nekudaro, anoshandiswa kune akasiyana siyana epamba uye ekutengesa maapplication. 304H Stainless simbi ine inodzorwa kabhoni yemukati ye0.04 kusvika 0.10. Izvi zvinopa kusimba kwetembiricha yepamusoro, kunyangwe pamusoro pe800o F. Zvichienzaniswa ne304L, 304H mapaipi esimbi isina tsvina ane simba renguva pfupi uye refu rekukambaira. Zvakare, ivo vanopokana nekukurudzira kupfuura 304L.
304H STAINLESS SIMBA PAMBI ZVINHU
Anotaurwa pazasi ndiwo akakosha maitiro e304H Stainless simbi mapaipi anopihwa neArch City Steel & Alloy:
Heat Resistance:
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Inokodzera kushandiswa kwekushisa kwepamusoro, sezvo ichipa simba repamusoro pakupisa pamusoro pe500 ° C uye kusvika ku800 ° C.
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Giredhi 304H inopa yakanaka oxidation kuramba musevhisi yepakati kusvika 870 ° C uye mukuenderera sevhisi kusvika 920 ° C.
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Inoita sensitized mu tembiricha siyana 425-860 ° C; saka hazvikurudzirwe kana aqueous corrosion resistance ichidiwa.
Corrosion Resistance:
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Kuramba kwakanaka kwekuora munzvimbo dzakaita oxidizing, uye zvine mwero hutsinye organic acids nekuda kwekuvapo kwechromium uye nickel zvakateerana.
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Inoita zvakafanana munzvimbo dzakawanda dzinoora
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Inogona kuratidza yakaderera corrosion rate kana ichienzaniswa nepamusoro kabhoni giredhi 304.
Weldability:
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Zviri nyore welded neakawanda akajairwa maitiro.
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Zvinogona kudiwa kuti anneal mushure mekugadzira
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Annealing inobatsira mukudzoreredza kushorwa kwecorrosion kwakarasika nekunzwa.
Kugadziridza:
- Inokurudzirwa kushanda tembiricha ye1652-2102° F
- Mapombi kana machubhu anofanira kuvharwa pa1900°F
- Zvinhu zvinofanirwa kudzima mvura kana kukurumidza kutonhora
- 304H giredhi inonyatso ductile uye mafomu zviri nyore
- Kuumba kutonhora kunobatsira kuwedzera simba nekuoma kwegiredhi 304H
- Kutonhora kuumba kunogona kuita alloy zvishoma magineti
Machineability:
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Mhedzisiro yakanakisa inowanikwa nekumhanya kunononoka, kudzora kwakanaka, kunorema mafeed, uye kupinza maturusi
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Zvichienderana nekushanda kuomesa uye chip breaking panguva ye deformation.
Zvishandiso zveGiredhi 304H Stainless Steel Pipes
Mimwe mienzaniso yemashandisirwo ayo giredhi 304H anowanzo kushandiswa anosanganisira:
- Petroleum refineries
- Maboilers
- Mapaipi
- Heat exchangers
- Condensers
- Steam inopedza simba
- Kutonhodza shongwe
- Magetsi ekugadzira zvidyarwa
- Dzimwe nguva inoshandiswa mumafetiraiza nemakemikari zvinomera
CHEMICAL COMPOSITION
| Yakajairika Chemical Kuumbwa % (max values, kunze kwekunge aonekwa) | ||||||||
| Giredhi | Cr | Ni | C | Si | Mn | P | S | N |
| 304H | min: 18.0 hukuru:20.0 | min: 8.0 hukuru: 10.5 | min: 0.04 hukuru:0.10 | 0.75 max | 2.0 max | 0.045 max | 0.03 max | 0.10 max |
Nguva yekutumira: Oct-09-2020