Isingeniso ku-1.2379 Tool Steel
1.2379 insimbi yamathuluzi, eyaziwa emazweni angaphandle njengensimbi ye-D2, iyinsimbi ephezulu, ithuluzi elibandayo le-chromium elisezingeni eliphezulu elaziwa ngokumelana nokugqokwa okukhethekile, amandla acindezelayo aphezulu, nokuzinza okuhle kakhulu kohlangothi. Isetshenziswa kabanzi kuzinhlelo zokusebenza zamathuluzi ezahlukahlukene ezihlanganisa ukufa okungenalutho, izibhakela, ama-shear blades, namathuluzi okwenza.
At I-SAKYSTEEL, sisebenza ngokukhethekile ekuhlinzekeni insimbi yamathuluzi engu-1.2379 kubha eyindilinga, ibha eyisicaba, namabhulokhi akhiwe anekhwalithi eqinisekisiwe kanye nokwakheka kwamakhemikhali okunembayo. Kulesi sihloko, sihlinzeka ngokuhlaziywa okuphelele kwekhemikhali nempahla yemishini yensimbi engu-1.2379 futhi sihlola ukwelashwa kwayo kokushisa, ukusetshenziswa kwayo, nokuqhathanisa nezinye izinsimbi zamathuluzi.
Ukwakheka Kwekhemikhali Kwensimbi Yethuluzi elingu-1.2379 (Izinga le-DIN)
Ukwakheka kwamakhemikhali kuyisisekelo sezakhiwo zemishini kanye nokulapheka kokushisa kwensimbi yamathuluzi. Ngokusho kwe-DIN EN ISO 4957, ukwakheka kwamakhemikhali okujwayelekile kwensimbi yensimbi engu-1.2379 (D2) imi kanje:
| Isici | Okuqukethwe (%) |
|---|---|
| Ikhabhoni (C) | 1.50 - 1.60 |
| I-Chromium (Cr) | 11.00 - 13.00 |
| I-Molybdenum (Mo) | 0.70 - 1.00 |
| I-Vanadium (V) | 0.80 - 1.20 |
| I-Manganese (Mn) | 0.15 – 0.45 |
| I-silicon (Si) | 0.10 - 0.60 |
| I-Phosphorus (P) | ≤ 0.03 |
| Isibabule (S) | ≤ 0.03 |
Amaphuzu Abalulekile Amakhemikhali:
- Okuqukethwe kwe-Chromium ephezulu (11-13%)kuthuthukisa ukugqwala nokumelana nokugqoka.
- I-Vanadium (0.8–1.2%)kuthuthukisa ukucolisiswa okusanhlamvu futhi kuthuthukise impilo yamathuluzi.
- Ikhabhoni (1.5%)inikeza ubulukhuni obukhulu ngemva kokwelashwa kokushisa.
Lezi zakhi ze-alloying zakha inethiwekhi ye-carbide eqinile ku-microstructure, okwandisa kakhulu impilo yamathuluzi ezindaweni ezivame ukuguga.
Izakhiwo Zemishini Yensimbi Yensimbi engu-1.2379
| Impahla | Inani Elijwayelekile (Lifakiwe) | Isimo Esiqinile |
|---|---|---|
| Ukuqina | ≤ 255 HB | 58 – 62 HRC |
| Amandla Okuqina | 700 - 950 MPa | Kuze kufike ku-2000 MPa |
| Amandla Acindezelayo | - | Phezulu |
| Impact Toughness | Kuphakathi | Kuphakathi |
Amanothi:
- Ngemuva kokwelashwa kokushisa nokushisa, insimbi ifinyelela amazinga okuqina aphezulu afika ku-62 HRC.
- Igcina ubulukhuni kufika ku-425°C, iyenze ifaneleke ekulayisheni okuphezulu nezinhlelo zokusebenza ezinesivinini esikhulu.
Ukwelashwa Kokushisa kwe-1.2379 / D2 Tool Steel
Inqubo yokwelapha ukushisa ithonya kakhulu ukusebenza kwensimbi yensimbi ye-D2.
1. Ukwehliswa
- Izinga lokushisa:850 – 900°C
- Ukupholisa:Isithando somlilo sipholile ngobuningi. 10°C/ihora ukuya ku-600°C, bese umoya upholile.
- Inhloso:Ukunciphisa ukucindezeleka kwangaphakathi futhi ulungiselele machining.
2. Ukuqina
- Shisisa ngaphambili:650 – 750°C
- I-Austenitizing:1000 - 1040°C
- Ukucisha:Umoya, vacuum noma uwoyela
- Qaphela:Gwema ukushisa ngokweqile okungase kubangele ukuhwalala okusanhlamvu.
3. Ukuthukuthela
- Ibanga Lezinga lokushisa:150 – 550°C
- Imijikelezo:Imvamisa imijikelezo yokushisa emi-2 noma emi-3
- Ukuqina Kokugcina:58 – 62 HRC kuye ngezinga lokushisa
Inqubo yokushisa iqinisekisa ukuqina futhi inciphisa ukuqina ngemva kokucisha.
Izicelo ze-1.2379 Tool Steel
Insimbi yamathuluzi engu-1.2379 isetshenziswa kabanzi:
- Ukuvala nokushaywa kuyafa
- Ukugingqika kwentambo kuyafa
- I-extrusion ebandayo iyafa
- Amathuluzi okwakha nokunyathela
- Izibunjwa zepulasitiki ezidinga ukumelana nokugqoka okuphezulu
- Imimese yezimboni nama-blades
Ngenxa yokumelana nokugqoka okuphezulu nokugcinwa konqenqema, i-1.2379 ifaneleka ngokukhethekile ukukhiqiza okude kanye nokusebenza kokucindezela okuphezulu.
Ukuqhathanisa Nezinye Izinsimbi Zamathuluzi
| Ibanga Lensimbi | Gqoka Ukumelana | Ukuqina | Ububanzi Bokuqina (HRC) | Ukumelana Nokugqwala |
|---|---|---|---|---|
| 1.2379 / D2 | Phezulu kakhulu | Maphakathi | 58–62 | Maphakathi |
| A2 | Phezulu | Phezulu | 57–61 | Phansi |
| O1 | Kuphakathi | Phezulu | 57–62 | Phansi |
| I-M2 (HSS) | Phezulu kakhulu | Maphakathi | 62–66 | Maphakathi |
I-SAKYSTEELonjiniyela bavame ukuncoma i-1.2379 lapho ukusebenzisa amathuluzi kudinga ukuzinza kwe-dimensional kanye nokumelana nokugqoka ekukhiqizeni ivolumu ephezulu.
Welding kanye Machinability
I-1.2379 ayinconyelwe ukushisela ngenxa yokuqukethwe kwayo okuphezulu kwekhabhoni kanye nengozi yokuqhekeka. Uma ukushisela kungenakugwema:
- Sebenzisa i-low-hydrogen electrode
- Shisisa ku-250-300°C
- Ukwelashwa kokushisa kwangemva kokushisela kuyimpoqo
Ukusebenziseka:
Ukucupha okungu-1.2379 esimweni sawo se-anneal kulula kunangemva kokuqina. Amathuluzi e-Carbide anconywa ngenxa yokuba khona kwama-carbides aqinile.
Ukwelashwa Okungaphezulu
Ukuthuthukisa ubulukhuni bobuso nokumelana nokugqwala, insimbi yamathuluzi engu-1.2379 ingangena:
- I-Nitriding
- I-PVD Coating (TiN, CrN)
- I-hard chrome plating
Lezi zindlela zokwelapha zinweba impilo yamathuluzi, ikakhulukazi ezinhlelweni zokukhuhlana okuphezulu.
Amafomu Atholakalayo Nosayizi
| Ifomu | Ibanga Losayizi Otholakalayo |
|---|---|
| Ibha Eyindilinga | Ø 20 mm – 400 mm |
| Ibha Eyisicaba / Ipuleti | Ubukhulu 10 mm - 200 mm |
| I-Forged Block | Osayizi Bangokwezifiso |
| I-Precision Ground | Ngesicelo |
Sihlinzeka ngezinsizakalo ezingokwezifiso zokusika nezokushisa ngokwezidingo zephrojekthi ngayinye.
Amazinga Alinganayo we1.2379 Insimbi Yensimbi
| Izwe | Izinga / Ibanga |
|---|---|
| EJalimane | I-DIN 1.2379 |
| USA | AISI D2 |
| Japan | I-JIS SKD11 |
| UK | BS BH21 |
| France | I-Z160CDV12 |
| ISO | I-X153CrMoV12 |
Lokhu kulingana kuvumela ukutholwa komhlaba wonke kwalokhu okubalulekile ngekhwalithi efanayo.
Isiphetho: Kungani Khetha i-1.2379 Tool Steel?
I-1.2379 / D2 insimbi yamathuluzi iyinketho ye-premium yezinhlelo zokusebenza zamathuluzi ezisebenza kahle ngenxa yayo:
- Ukumelana nokugqoka okuphezulu
- Ukuzinza kwe-Dimensional ngesikhathi sokwelashwa kokushisa
- Ukuqina okuhle kakhulu
- Uhlu olubanzi lokusetshenziswa kwezimboni
Ezimbonini ezifuna ukuqina, ukunemba, kanye namathuluzi angabizi kakhulu, i-1.2379 ihlala iyibanga lensimbi elithembekile. Noma ngabe okokukhiqiza ukufa noma ukwakha okubandayo, kusebenza ngokungaguquki ngaphansi kwengcindezi.
At I-SAKYSTEEL, siqinisekisa insimbi yensimbi yekhwalithi ephezulu engu-1.2379 enokwakheka kwamakhemikhali okunembayo nokubekezelela okuqinile kobukhulu. Xhumana nathi ukuze uthole ukutholakala kwesitoko, intengo, namasevisi omshini ngokwezifiso.
Imibuzo Evame Ukubuzwa Mayelana ne-1.2379 Tool Steel
I-Q1: Yibuphi ubunzima obukhulu be-1.2379 ngemva kokwelashwa kokushisa?
A: Kufika ku-62 HRC kuye ngenqubo yokucisha neyokushisa.
Q2: Ingabe i-1.2379 ingasetshenziswa ezimweni ezishisayo zokusebenza?
A: Cha, yakhelwe izinhlelo zokusebenza ezibandayo.
Q3: Ingabe i-D2 steel magnetic?
A: Yebo, esimweni sayo sokuqina, i-ferromagnetic.
Q4: Yiziphi ezinye izindlela ezivamile ku-1.2379?
A: Izinsimbi ze-A2 kanye ne-M2 zivame ukusetshenziswa kuye ngokuqina noma ubulukhuni obushisayo obudingekayo.
Isikhathi sokuthumela: Jun-25-2025