Pipe ya kolata ID oyo ekómi makasi AR600 Abrasion Resistant

nickel dur white fonte wear-Tupe ya résistants .
Nickel Hard Cast Iron ezali ebende ya pembe oyo ezali na nickel mpe chrome, oyo mbala mingi babengaka yango Ni-Ezali makasi na mokili. Engebene na chrome oyo ezali na kati, ekoki kokabolama na biteni mibale: W (CR) 2% mpe W (CR) 9%.
Na nickel moko ya makasi ya pembe fonte ya 2% W (CR), carbure ezali (FE, CR) C, na duresse ya 1100 ~ 1150 HV, likolo koleka duresse ya carbure ordinaire Fe, C (900 ~ 1000 HV). Na nickel makasi ya pembe fonte ya 9% W (CR), mingi carbure ezali (CR, Fe) C3 na duresse ya likolo. Ba figures 8-6 ezali kolakisa kobakisa CR na formation ya carbure.
Nickel oyo etondi na bato mingi na kati ya ebende ya mpɛmbɛ ya makasi ezali mpo na kobongisa quenability ya cast ya ebende, oyo esalisaka mpo na kozwa martensite- matrice ya bibende oyo esalemi, kasi ezali ntango nyonso elongo na motango monene ya austénite résiduelle. Motango ya nickel oyo ezali na kati etali bonene ya efelo ya esika oyo babwakaka yango, mpe biloko oyo ezali na kati ya nickel oyo ezali na esika oyo babwakaka efelo ya monene esengeli kozwa ndelo ya likoló.
(1) Carbone. Fer ya carbone mingi ezali na duresse makasi, résistance ya malamu ya kolata mpe bokeseni ya likolo, nzokande carbone moke ezali vice versa. na kotalela ba applications ndenge na ndenge 2) silicon. Contenu ya silicon ya Ni-Hard 1 na NI-Hard 2; Contenu ya chrome ya likolo ya NI-Hard 4 ezali kobanda 1,8%~2,0%. Solution ya likolo elendisaka bokeli ya (Fe, CR), C; Type carbure, mpe ematisaka température ya Maline M, epusaka na acquisition ya matrice martensite, kasi extinction ya silicon ya likolo mpe ya nse.
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(1) Composition chimique ya nickel dur blanc fonte ezui norme nationale na Chine (tala Tableau 8-2). Norme ya Association américaine ya test ya ba matériaux (ASTM) ekotisami na Etats-Unis mpe ekabolami na ba modèles minei A, B, C mpe D (tala Appendice E2). Na Royaume-Uni, Allemagne mpe endimi mobeko ya ekólo. Corporation internationale ya nickel ezali mpe na liste ya ba produits chimiques ya nickel dur fonte ya pembe (tala Tableau 8-16).
(3) Chrome. Chrome esalisaka mpo na kosala carbure, mpe ebongisaka kosangisa chrome na Ni-Hard 4 na carbone mpe na silicon, mpo ete mingi ya carbure coptectique ekóma (FE, CR) C3, kobongisa résistance ya kolata mpe bokasi ya kosala bopusi .
(4) Nickel. Nickel epanzani mingi mingi na matrice ya métal, oyo ekoki ko améliorer efficacement quenabilité mpe ko promouvoir formation ya matrice marténite to besite. Quenability ya MI-Mokolo 4 ezali significativement eleki oyo ya Ni-Hard 1, oyo ekoki kosala que casting na section dix sur 200mm. Nickel elendisaka graphitisation, yango wana nickel dur blanc munoko bleu fer mandefu ezali na certaine quantité ya élément chrome mpo na ko éviter formation ya graphite. Nickel stabiliser austenite, mpe contenu ya nickel ya likolo ebimisaka austénite oyo etikali mingi.
(5) Manganèse. Manganèse ekoki ko stabiliser Austenite, yango wana contenus ya manganèse ezali moke.
(6) Molybdène. Molybdène ekoki kobongisa quenability mpe ekoki kozala appliqué na ba coulées épaisses soki esengeli.
Kompanyi na biso ebimisaka molunge-Kolata ya koboya-Bapiblisite oyo ekoki koboya, oyo ekoki kosala ete bapiblisite ya kolata oyo ekoki kolata na ndenge ya moto ezala na ndenge oyo ebongi na kotalela bamposa ya bakiliya.

| Composition chimique (fraction masse) ya nickel dur blanc fonte fer à INCO. | ||||||||
| 牌 号 | C | SI . | MN . | S | P | Ni ya Ni . | CR . | M0 |
| NI-Ezali makasi 1 . | 3.0-3.6 | 0.3-0.5 | 0.3-0.7 | Moke koleka to ekokani na 0,15 . | Moke koleka to ekokani na 0,30 . | 3.3-4.8 | 1.5-2.6 | 0-0.4 |
| Ni-Ezali makasi 2 . | Moke koleka to ekokani na 2,9. | 0.3-0.5 | 0.3 ~0.7 |
Moke koleka to ekokani na 0,15 . | Moke koleka to ekokani na 0,30 . | 3.3-5.0 | 1.4-2.4 | 0-0.4 |
| Ni-Ezali makasi 3 . | 1.0-1.6 | 0.4-0.7 | 0.4-0.7 | Moke koleka to ekokani na 0,05 . | Moke koleka to ekokani na 0,05 . | 4.0-4.75 | 1.4-1.8 | |
| NI-Ezali makasi 4 . | 2.6-3.2 | 1.8-2.0 | 0.4-0.6 | Moke koleka to ekokani na 0,1. | Moke koleka to ekokani na 0,06 . | 5.0-6.5 | 8.0-9.0 | 0-0.4 |
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