Imibhobho yentsimbi yentsimbi engatyiwayo zizinto eziyimfuneko kuwo onke amashishini amaninzi ngenxa yamandla ayo abalaseleyo koomatshini, ukuxhathisa kokutya, kunye nokunyamezela ubushushu obuphezulu. Ngokuxhomekeke kwindawo yokusebenza kunye neenkcukacha zobugcisa, amabakala asetyenziswa ngokuqhelekileyo abandakanya i-304, 316, 321, 347, 904L, kunye neentsimbi ezingenasici ezifana ne-duplex.2205kwaye2507. Eli nqaku liphonononga ngokucwangcisiweyo ukusebenza, amandla oxinzelelo, kunye nemimandla yesicelo semibhobho yensimbi engenasici ukukhokela ukhetho olufanelekileyo lwezinto.
1. AmaBanga eStainless Steel aqhelekileyo kunye neempawu zawo
•I-304L ipayipi yensimbi engenasici: Njengentsimbi ephantsi kwekhabhoni ye-304, ngokubanzi, ukuxhathisa kwe-corrosion kufana ne-304, kodwa emva kwe-welding okanye i-stress relief, ukuchasana kwayo kwi-corrosion ye-intergranular kugqwesileyo, kwaye inokugcina ukuxhathisa okulungileyo ngaphandle kokunyanga ukushisa.
• Umbhobho we-304 we-stainless steel stainless: Unokumelana nokugqwala okulungileyo, ukuxhathisa ubushushu, amandla aphantsi obushushu kunye neempawu zoomatshini, iimpawu ezintle zokulungisa ezishushu ezifana ne-stamping kunye nokugoba, kwaye akukho mcimbi wokuqinisa ubushushu. Ukusetyenziswa: itafile, iikhabhathi, iibhoyila, iinxalenye zemoto, izixhobo zonyango, izinto zokwakha, ishishini lokutya (ukusebenzisa ubushushu -196°C-700°C)
Iimpawu eziphambili ze-310 umbhobho we-stainless steel steel ezi: ukumelana nobushushu obuphezulu, ngokuqhelekileyo kusetyenziswa kwiibhoyili, iipayipi zokukhupha iimoto. Ezinye iipropati zi jikelele.
• I-303 yombhobho we-stainless steel steel: Ngokongeza inani elincinci lesulfure kunye ne-phosphorus, kulula ukusika ngaphezu kwe-304, kunye nezinye iipropati zifana ne-304.
• I-302 ipayipi yensimbi engenasici: I-302 imivalo yensimbi engenasici isetyenziswa ngokubanzi kwiindawo zemoto, i-aviation, izixhobo ze-aerospace hardware, kunye noshishino lweekhemikhali. Ngokucacileyo ngolu hlobo lulandelayo: imisebenzi yezandla, iibheringi, iintyatyambo ezityibilikayo, izixhobo zonyango, izixhobo zombane, njl. njl
• I-301 ipayipi yensimbi engenasici: i-ductility enhle, esetyenziselwa iimveliso ezibunjiweyo. Isenokukhawuleza iqiniswe ngokwenziwa koomatshini. Ukuwelda okulungileyo. Ukunxiba ukuxhathisa kunye namandla okudinwa kungcono kune-304 yensimbi engenasici.
• Umbhobho we-202 wensimbi engenasici: ungowe-chromium-nickel-manganese austenitic steel stainless, kunye nokusebenza okungcono kune-201 insimbi engenasici.
•201 steel stainless steel pipe yoshishino: yeye-chromium-nickel-manganese austenitic steel stainless, enemagnetism esezantsi noko.
•Umbhobho we-410 wensimbi engenasici: yeye-martensite (intsimbi ye-chromium ephezulu), enokumelana nokunxiba kakuhle kunye nokunganyangeki kwe-corrosion.
• Umbhobho we-420 wensimbi engenasici: "I-Tool grade" insimbi ye-martensitic, efana ne-Brinell high chromium steel, i-ultra-early stainless steel. Ikwasetyenziselwa iimela zotyando kwaye inokwenziwa iqaqambe kakhulu.
• I-430 ipayipi yensimbi engenasici: insimbi engenasici ye-ferritic, esetyenziselwa ukuhlobisa, njengezixhobo zemoto. Ukumila kakuhle, kodwa ukuxhathisa ubushushu obuphantsi kunye nokumelana nokubola
2. Ukunyangwa koxinzelelo lweeMibhobho zeNtsimbi engagqwali
Umthamo woxinzelelo lombhobho wensimbi engenasici kuxhomekeke kubukhulu bayo (ububanzi bangaphandle), ubukhulu bodonga (umzekelo, i-SCH40, i-SCH80), kunye nobushushu bokusebenza. Imigaqo ephambili:
• Iindonga ezityebileyo kunye needayamitha ezincinci zinika uxhathiso oluphezulu loxinzelelo.
•Amaqondo obushushu aphezulu anciphisa amandla ezinto kunye noxinzelelo.
• Iintsimbi zeDuplex ezifana ne-2205 zinika phantse amandla aphindwe kabini e-316L.
Ngokomzekelo, i-intshi ye-4-intshi ye-SCH40 304 ipayipi yensimbi engenasici inokusingatha i-approx. 1102 psi phantsi kweemeko eziqhelekileyo. Umbhobho we-intshi ye-intshi ungadlula i-2000 psi. Iinjineli kufuneka zijongane ne-ASME B31.3 okanye imigangatho efanayo malunga noxinzelelo oluchanekileyo.
3. Ukusebenza koMhlwa kwiiNdawo eziBungqwabalala
IiNdawo eziTyebileyo zeChloride
I-304 ithanda ukugrumba kunye ne-SCC kwiindawo ezinetyuwa eninzi. I-316L okanye ngaphezulu iyacetyiswa. Kwiimeko ezinzima ezifana namanzi olwandle okanye isitshizi setyuwa, i-2205, 2507, okanye i-904L iyakhethwa.
I-Acidic okanye i-Oxidizing Media
I-316L yenza kakuhle kwii-asidi ezibuthathaka. Kwiiasidi ezinobundlobongela njengesulfuric okanye i-phosphoric acid, khetha i-904L okanye i-high-alloy duplex steels.
I-Oxidation yobushushu obuphezulu
Kumaqondo obushushu angaphezu kwe-500 ° C, i-304 kunye ne-316 inokulahlekelwa ukusebenza. Sebenzisa amabanga azinzisiweyo afana nama-321 okanye ama-347 kwinkonzo eqhubekayo ukuya kuthi ga kwi- ~900°C.
4. Izicelo ezingundoqo zoShishino
Ishishini leoli negesi
Isetyenziswa kwinkqubo yokubhobhoza, ukutshintshisa ubushushu, kunye neentambo zothutho. Kwiimeko zegesi ezimuncu kunye nekloridi, i-2205/2507/904L ikhethwayo. Iintsimbi ze-Duplex zisetyenziswa ngokubanzi kutshintshiselwano lobushushu ngenxa yamandla abo aphezulu kunye nokuxhathisa ukubola.
Ukutya & nesiselo
Ukugqitywa komphezulu ogudileyo kuthintela ukukhula kwebhaktiriya. I-304/316L ilungele ideri, ukwenziwa kwebhiya, kunye neesosi. I-316L yenza ngcono ngokutya okuneasidi okanye okunetyuwa. Imibhobho idla ngokufakwa umbane ukwenzela ucoceko.
Ishishini lezamayeza
Ifuna ubunyulu obuphezulu kunye nokuxhathisa ukubola. I-316L kunye neentlobo ezifana ne-316LVM zisetyenziselwa amanzi ahlambulukileyo kunye neenkqubo ze-CIP / SIP. Umphezulu udla ngokugudiswa ngokwezipili.
5. ISikhokelo sokuKhetha iBanga ngokweSicelo
| Ubume besicelo | Amabanga acetyiswayo |
| Amanzi ngokubanzi / Umoya | 304 / 304L |
| IiNdawo eziTyebileyo zeChloride | 316 / 316L okanye 2205 |
| Umkhathi wobushushu obuphezulu | 321/347 |
| Ii-Acids ezomeleleyo / iPhosphoric | 904L, 2507 |
| IiNkqubo zoCoceko lweBanga lokutya | 316L (Ifakwe umbane) |
| IiNkqubo zezoXhobo | 316L / 316LVM |
Ixesha lokuposa: May-06-2025