Steel Stamped: Grades, Properties, and Applications
Isitampu sentsimbi sibhekisa kumalungu entsimbi enziwe ngokucinezela ishidi elisicaba okanye ikhoyili ibe kwimilo enqwenelekayo kusetyenziswa isitampu sokufa kunye noomatshini okanye oomatshini boxinzelelo lwehydraulic. Intsimbi iseyeyona ntsimbi inesitampu ngokubanzi kwihlabathi jikelele, ibalelwa malunga ne-70% yazo zonke iindawo ezinesitampu ngokobunzima. Ulawulo lwayo luvela kwindibaniselwano engenakulinganiswa yamandla, ukumila, ukuwelda, kunye nexabiso eliphantsi lezinto eziphathekayo.
Ukukhetha ibakala lentsimbi elifanelekileyo kwinxalenye yesitampu sisigqibo sobunjineli esichaphazela yonke inkqubo esezantsi - ukusuka kuyilo lokufa kunye noxinzelelo lwetoni ukuya kwi-welding, ukupeyinta, kunye nokusebenza kwentsimi. Esi sikhokelo sithelekisa amacandelo amahlanu amakhulu ensimbi enesitampu, sichaza indlela iipropati zomatshini ezichaphazela ngayo ukuzinza, iimephu ezikhethwa kumashishini, kwaye ziqhekeza izinto zeendleko eziqhuba ukhetho lwebakala.
uthelekiso lweBanga leNsimbi kwiSitampu
Itheyibhile engezantsi ithelekisa iindidi ezintlanu ezibanzi zentsimbi ezisetyenziselwa isitampu, kunye namabanga amele, iimpawu zoomatshini eziqhelekileyo, kunye nezicelo eziqhelekileyo.
| Udidi | aBameli bamaBanga | Carbon (%) | Isivuno Amandla (MPa) | Amandla eTensile (MPa) | Elongation (%) | Ukusebenza kweSitampu | Izicelo eziqhelekileyo |
|---|---|---|---|---|---|---|---|
| Intsimbi yekhabhoni ephantsi | SPCC, DC01, A1008 CS, SAE 1008, SAE 1010 | 0.05–0.15 | 140–280 | 270–410 | 37–48 | Excellent — high elongation, low ield ratio, easy forming | Iiphaneli zesixhobo, izibiyeli, iiphaneli zemizimba yeemoto, iindawo ezivaliweyo |
| Intsimbi yekhabhoni ephakathi | SAE 45601 S355, SPFH490 | 0.25–0.45 | 250–450 | 470–650 | 18–30 | Ephakathi - ubude obusezantsi, i-springback ephezulu, inokufuna ukuxhunyelelwa | Iigiya, izibiyeli, amalungu olwakhiwo, izixhobo zolimo |
| Intsimbi enekhabhoni ephezulu | SAE 1060, SAE 1075, SAE 1095, C75S | 0.55–0.95 | 400–700 | 650–1,100 | 8–20 | Imbi ukuya Kulungileyo - ukumila okulinganiselweyo, kufuna imeko yonyango okanye ukufudumala | Imithombo, iincakuba, oomatshini bokuhlamba, izixhobo zezandla, iikliphu |
| Intsimbi yealloyi | SAE 4130, SAE 4340rMo, 4 | 0.25–0.45 (+Cr, Mo, Ni). | 450–850 | 700–1,100 | 12–22 | I-Fair - imida yamandla aphezulu enziwayo; isoloko igximfizwa kwisimo sokufunxa emva koko inyangelwe bubushushu | Inxalenye yesakhiwo esinzima, izibiyeli ze-aerospace, izixhobo zemigodi |
| Intsimbi engatyiwayo | SUS304, SUS301, SUS430, 316L, 410 | 0.03–0.15 (+Cr, Ni, Mo) | 170–510 | 450–1,270 | 10–50 | I-Good to Excellent (ixhomekeke kwibakala) - iifom ezingama-304 kakuhle; 301 umsebenzi-nzima ngokukhawuleza; I-430 inobunzulu obunqamlekileyo bokuzoba | Izixhobo zokutya, izixhobo zonyango, iitanki zeekhemikhali, i-decorative trim, i-exhaust systems |
Ukuqhekeka kweBanga elineenkcukacha
Intsimbi yekhabhoni ephantsi (ihabhoni lokunyathela)
amanqanaba ensimbi ephantsi kwekhabhoni efana ne-SPCC (JIS), i-DC01 (EN), kunye ne-A1008 CS (ASTM) inikezela ngeyona ndlela ilungeleleneyo yokubumba, indleko, kunye ne-weldability. Ngekhabhoni engaphantsi kwe-0.15%, la mabanga ane-elongation ephezulu (37-48%), i-low yield-to-tensile ratios (0.50-0.65), kunye ne-weldability egqwesileyo ngaphandle kokutshisa kwangaphambili. Baphendula uninzi lweendawo ezinesitampu kwiimoto, izixhobo zombane, kunye nemveliso ngokubanzi.
Intsimbi yekhabhoni ephakathi
Amabanga aphakathi kwekhabhoni (0.25-0.45% C) anika amandla aphezulu emva kokunyanga ubushushu kodwa kunzima kakhulu kwisitampu. Zibonisa i-springback ephezulu, ubude obuphantsi, kwaye zifuna iitoni zokucinezela eziphezulu. La mabanga ahlala egximfizwa kwisitampu se-hot-rolled okanye i-annealed kwaye emva koko ayacinywa ukuze afezekise iipropati zokugqibela. Okuqhelekileyo kwezolimo, ulwakhiwo, kunye nezicelo zezixhobo ezinzima.
Intsimbi enekhabhoni ephezulu
5 High-carbon steel izicelo ezithile - izithuba ezisicaba, ukugoba okulula, okanye iifom ezinzulu. Izinto eziphathekayo kufuneka zibe kwimeko ye-spheroidized-annealed kuwo nawuphi na umsebenzi wokwenza. Emva kwesitampu, iinxalenye ziphathwa ngobushushu ukuze zifezekise ubunzima obuphezulu (45-60 HRC). Iimveliso eziqhelekileyo ezinesitampu ziquka iziphethu ezisicaba, iincakuba, iiwasha zokutshixa, kunye neeshim. Ukufumana isikhokelo ku- yintoni isitampu sesinyithi, kubandakanywa neenkqubo eziphezulu zekhabhoni, jonga iblogi yethu.
Intsimbi yealloyi
I-alloy steels equkethe i-chromium, i-molybdenum, okanye i-nickel (umzekelo, i-4130, i-4340, i-42CrMo4) idibanisa amandla aphezulu kunye nobunzima obuphakathi. Ukunyathela ngokuqhelekileyo kukhawulelwe ekungabhalwanga nto kunye nokwakheka okulula kwimeko yokufunxa, kulandelwa lunyango lobushushu. La mabanga avela kwizibiyeli zesakhiwo se-aerospace, i-heavy-duty suspension components, kunye nezicelo zokukhusela apho umlinganiselo wamandla-to-weight ubalulekile.
Intsimbi engatyiwayo
amabakala angenastainless athatha uluhlu olubanzi lozinzo. I-Austenitic 304 kunye ne-301 ifomu kakuhle kodwa umsebenzi-nzima kakhulu - i-301 inokufikelela kwi-1,270 MPa UTS ngomsebenzi obandayo. I-Ferritic 430 inomagnetic kwaye ingabizi kakhulu kodwa inobunzulu obulinganiselweyo bokuzoba. Izitampu ze-Martensitic 410 kwimeko efakwe kwi-anneal kwaye ziqiniswe. Ukuntywila nzulu, bona wethu stainless steel stainless isitampu iphepha lezakhono.
Indlela iiPropati zoomatshini ezichaphazela ngayo isitampu
Ukuqonda ubudlelwane phakathi kweepropati zentsimbi kunye nokuziphatha kwesitampu kunceda iinjineli ukuba zikhethe ibakala elifanelekileyo kwaye ziqikelele iziphumo zokwenza.
Yield-to-Tensile Ratio (Y/T)
Umlinganiselo weyield-to-tensile ulinganisa ubungakanani boluhlu olukhoyo lokubumba olusetyenziswayo phambi kokuba intamo iqale.
| Uluhlu lwe-Y / T | Ukuziphatha Kwesitampu | Umzekelo waMabanga |
|---|---|---|
| 0.40–0.55 | Excellent formability - i-gap enkulu phakathi kwesivuno kunye ne-UTS ivumela ukunwenwa okubanzi | DC06 (i-ultra-low carbon), IF intsimbi |
| 0.55–0.65 | Ukwakheka okuhle - ilungele uninzi lwemisebenzi yokuzoba kunye nokwenza | I-DC04, SPCC, SAE 1010 |
| 0.65–0.75 | Moderate - high springback; inokufuna imbuyekezo egqithileyo | HSLA 340, SAE 1030 |
| 0.75–0.90 | Kunzima - kuncinci kakhulu amandla okwenza lukhuni umsebenzi; umngcipheko wokuqhekeka kwiradio eqinile | DP780, DP980, SAE 1075 |
| >0.90 | Imbi ekwenzeni - i-elastic-perfectly plastic behavior | i-hardened high-Martensitic + |
Elongation (Total Elongation, A%)
Ukwandiswa kulinganisa ukukwazi kwemathiriyeli ukolula ngaphambi kokwaphuka. Ubude obuphezulu buvumela imizobo enzulu kunye neendlela ezintsonkothileyo.
- >40%: Igqwesileyo kumzobo onzulu (DC06, SUS304).
- 30–40%: Ilungele ukwenza ngokubanzi kunye nemizobo ephakathi (SPCC, DC04).
- 20–30%: Yamkelekile ukugoba kunye nemizobo enzulu (HSLA, medium-carbon).
- 10–20%: Ukunciphisa ukugoba okulula kunye nokungabonakali (AHSS, insimbi ye-alloy).
- <10%: Ukunqandwa kakhulu - kuphela i-flat blanks okanye iifom ezilula (i-martensitic, i-high-carbon kwimeko enzima).
Plastic Strain Ratio (r-ixabiso)
Ixabiso le-r lilinganisa ukuchasana kwezinto eziphathekayo ekunciphiseni xa isoluliwe. Lumlinganiselo wobunzima bobubanzi bobunzima bobunzima kuvavanyo lwe-tensile.
| r-xabiso | Umzobo oNzulu | Amabanga aqhelekileyo |
|---|---|---|
| ≥2.0 | Igqwesileyo - ilungele iikomityi ezinzulu kunye namaqokobhe | DC06, UKUBA intsimbi |
| 1.5–2.0 | Ilungile - ilungele iindawo ezininzi ezotyiweyo | DC04, SPCE |
| 1.0–1.5 | Kuhle - umzobo ongekho nzulu kuphela | I-SPCC, DC01 |
| <1.0 | Imbi - ithande ukubhitya kunye namacici | Uninzi lwe-AHSS, oluphakathi / oluphezulu lwekhabhoni |
Exponent yokuqina koxinzelelo (n-value)
I-n-value ichaza ukuba imathiriyeli ikhawuleza kangakanani ukomelela njengoko igrumba. Iinqobo eziphakamileyo ze-n zisasaza ubunzima ngokulinganayo ngakumbi, ukulibazisa ukwenziwa kwentamo yendawo.
| n-xabiso | Ukuqulunqwa kokuSebenza | Amabanga aqhelekileyo |
|---|---|---|
| ≥0.25 | Excellent stretch formability | IF intsimbi, DC06 |
| 0.20–0.24 | Kuhle | DC04, SPCE, SUS304 |
| 0.15–0.19 | Moderate | SPCC, HSLA |
| 0.10–0.14 | Limited | AHSS (DP, CP), medium-carbon |
| <0.10 | Imbi ngokolula ukwenza | Martensitic, high-carbon |
Okukhethwayo kuShishino lweNtsimbi enesitampu
Amashishini ahlukeneyo abeka phambili iipropati ezahlukeneyo, ukuqhuba iipateni zokukhetha ibakala.
Ushishino lweemoto
Ishishini lemoto ngoyena mthengi mkhulu wentsimbi enesitampu. Ukukhethwa kweBanga kuyahluka ngommandla wesithuthi:
- Iipaneli zomzimba wangaphandle (iingcango, iihoods, iifenders): UKUBA intsimbi / BH intsimbi (DC06, DC04 + bhaka ukuqina) - kufuna ukugqiba umgangatho obalaseleyo, ubude obuphezulu, kunye nepeyinti yokubhaka impendulo.
- Iipaneli zomzimba wangaphakathi (ukuqinisa, izibiyeli): Intsimbi ethambileyo (SPCC, DC01) - indleko-esebenzayo, kulula ukuyidibanisa.
- Ukhuseleko: AHSS (DP590-DP1180, TRIP780, CP980) - ulawulo lwamandla okuphazamiseka kunye nokugcinwa kobunzima.
- I-Chassis kunye nokumiswa kwe-: HSLA (SPFH490, S355) - amandla kunye nokubumba okuphakathi.
- Ngaphantsi komzimba kunye nokukhupha: I-Hot-dip galvanized or aluminized steel - ukumelana nokugqwala.
Izixhobo zoMthengi
- Iidramu zoomatshini bokuhlamba: SUS304 okanye DC04 kunye ne-phosphate + powder coat.
- iiphaneli zefriji: I-SPCC okanye i-DC01 nge-EG okanye i-VCM laminate.
- I-oveni kunye neendawo ezahlukeneyo: SUS430 okanye intsimbi e-aluminum yokumelana nobushushu.
- Izindlu zezixhobo ezincinci: I-SPCC, i-SECC (i-electro-galvanized).
Electronics kunye noMbane
- I-chassis yomncedisi kunye neeracks: DC01/SPCC ene-EG okanye i-nickel plating.
- izibane zeTransformer: Intsimbi yombane engekho-oriented (umzekelo, 35CS250).
- Iindawo ezivaliweyo: SECC okanye DC01 + powder coat.
Ulwakhiwo kunye noLwakhiwo
- Uphahla kunye nophahla: I-Hot-dip galvanized (GI) okanye iGalvalume (GL).
- Izibiyeli zesakhiwo: S355, SS400, okanye A36.
- Fasteners: I-Medium-carbon (10B21, 10B38) kunye ne-Dacromet coating.
Izixhobo zoLimo kunye neZixhobo ezinzima
- Chassis izakhelo: S355 okanye SPFH490 eshushu.
- Phumeza amagqabi kunye nemiphetho: Ikhabhoni ephezulu (1060, 1075).
- Cab panels: I-DC04 epholileyo ene-e-coat.
IiNdleko zeSitampu seNsimbi
Ukuqonda ulwakhiwo lweendleko kunceda iinjineli ukuba zenze urhwebo olunolwazi phakathi kwebakala lezinto eziphathekayo, ukusetyenzwa, kunye nexabiso lenxalenye iyonke.
Material Cost Breakdown
| I-I-I-I-I-I-Factor | Impembelelo kwiNdleko | Iinkcukacha |
|---|---|---|
| Ixabiso elisisiseko ngetoni nganye | Iyahluka 1–5× | Intsimbi ye-CR ethambileyo isisiseko; I-AHSS ixabisa i-30–80% ngaphezulu; iindleko ezingenastainless 3–5× ngaphezulu |
| Gaugeness | Linear | Izinto ezityebileyo = ubunzima obuninzi ngenxalenye = ixabiso eliphezulu lezinto eziphathekayo |
| Ukugqiba kobuso | 10–25% iprimiyamu | I-Exposed-grade (O5 surface, IF steel) ixabisa ngaphezu kwe- commercial-grade |
| Ububanzi bekhoyili | ULungiselelo | Iikhoyili ezibanzi zinokunciphisa inkunkuma ukuba iinxalenye zidleka kakuhle; iikhoyili emxinwa inkunkuma encinci ukuba iindawo zincinci |
| Umqulu | Ingxoxo | Mill0 yoqhawulo-phantsi kunye nokwaphulwa kwexabiso eliphantsi |
| Ikhonkco lobonelelo | ± 15% swing | Ixabiso lasekhaya vs. |
IiNdleko zokuSebenza
| I-I-I-I-I-I-Factor | Impact. | ULungiselelo |
|---|---|---|
| Iindleko zokufa | $15K–$500K+ iseti nganye yokufa | Ukufa okuqhubelekayo kuneendleko eziphezulu zangaphambili kodwa ixabiso eliphantsi ngenxalenye nganye kwimiqulu> 100K / ngonyaka |
| Cinezela itoni | Itoni ephezulu = ixabiso eliphezulu lamandla | imathiriyeli etyebileyo/eyomelele kakhulu ifuna ooshicilelo abakhulu |
| Inani lemisebenzi | Isikhululo ngasinye songeza ixesha lomjikelo kunye nokupakishwa konyamezelo | Nciphisa ukwenza izitishi; dibanisa imisebenzi apho kunokwenzeka |
| Ireyithi ye-Scrap | I-25–40% yemathiriyeli yi-trim scrap eqhelekileyo | Lungiselela uyilo lokufuya; Vavanya i-multi-out dies |
| Unyango lomphezulu | $0.05–$2.00 inxalenye nganye | Khetha olona nyango luncinci luhlangabezana neemfuno zesicelo |
| imisebenzi yesibini | Ukudilizwa, ukucofa, ukuwelda, ukudityaniswa | Uyilo lokucofa kwi-in-die okanye ukubumba ukuphelisa amanyathelo esibini |
Iindleko zizonke zoBunini
Elona xabiso liphantsi lemathiriyeli alisoloko livelisa elona xabiso lisezantsi lilonke. Qwalasela:
- Intsimbi yezinga eliphezulu evumela ukuba i-gauge encinci inokunciphisa ubunzima bezinto eziphathekayo ngokwaneleyo ukuhlawula iprimiyamu yexabiso.
- Inxalenye ye-AHSS ethatha indawo yamalungu amabini entsimbi ephakathi kunye nejoyinti yeweld iphelisa umsebenzi wonke.
- Intsimbi efakwe igalvanized esusa inyathelo lokupeyinta inokuba nexabiso eliphantsi xa lilonke ngaphandle kweendleko eziphezulu ze-raw-material.
Ukuqonda okunzulu malunga ne-die and tooling economics, bona isikhokelo sethu ku- ukunyathela iindleko zezixhobo.
Imibuzo Ebuzwa Rhoqo
Leliphi ibakala lentsimbi elixhaphakileyo elinesitampu?
SPCC (JIS) / DC01 (EN) / A1008 CS Uhlobo lwe-B (ASTM) lelona nqanaba lentsimbi egxininiswe kakhulu kwihlabathi. Le ntsimbi ephantsi kwekhabhoni epholileyo epholileyo (≤0.12% C) inika ukwakheka okugqwesileyo (i-37% elongation), umgangatho ohambelanayo womphezulu, kunye nexabiso eliphantsi phakathi kweenketho ezibandayo. Ijongana nezibiyeli, iiphaneli, iikhava, kunye neenjongo eziqhelekileyo kumacandelo eemoto, izixhobo zombane, ezombane, kunye namashishini. Kwizicelo ezifuna umzobo, i-SPCE/DC04 linyathelo elilandelayo lokunyuka.
Ndikhetha njani phakathi kwekhabhoni ephantsi kunye nentsimbi yekhabhoni ephakathi kwindawo enesitampu?
Khetha intsimbi ephantsi kwekhabhoni (≤0.15% C) xa inxalenye ifuna ukwenza okanye ukuzoba imisebenzi, i-tight bend radii, okanye i-weldability egqwesileyo ngaphandle kokutshisa kwangaphambili. Khetha i-medium-carbon steel (0.25-0.45% C) xa inxalenye idinga amandla aphezulu (400-650 MPa UTS), ukuxhatshazwa kokugqoka, okanye ukukwazi ukucima-ukuqina emva kokunyathela. Iindleko zentsimbi yekhabhoni ephakathi malunga netoni nganye kodwa zinokufuna ukufakwa kwesitampu ngaphambi kokuba kufakwe isitampu kunye nonyango lobushushu emva koko, yongeza iindleko zokusetyenzwa.
Ngaba isinyithi esinekhabhoni ephezulu sifakwe isitampu? I-
Ewe, kodwa ngemida ebalulekileyo. I-high-carbon steel (0.55-0.95% C) inokugqunywa, ihlatywe, kwaye ifakwe kwii-bends ezilula okanye iifom ezinzulu, kodwa kuphela kwimeko ye-spheroidized-annealed, ethambisa izinto kwi-150-200 HV. Emva kwesitampu, iinxalenye zicima-ingqumbo ukufikelela kwi-45-60 HRC. Ukuzoba nzulu akunakwenzeka. Iimveliso eziqhelekileyo ezinesitampu ezinekhabhoni ephezulu zibandakanya imithombo esicaba, iincakuba, iiwasha zokutshixa, kunye neencam zokusika.
Kutheni isitampu sensimbi engenasici sixabisa ngaphezulu kwekhabhoni yesitampu sentsimbi?
Isitampu sensimbi engenasici sixabisa i-2-4 × ngaphezu kweengxenye ezilinganayo ze-carbon steel ngenxa yezizathu ezithathu: (1) iindleko zezinto eziluhlaza - iindleko ezingenasici 3-5 × ngaphezulu ngetoni; (2) i-tooling wear - i-stainless inzima kwaye iyancipha ngakumbi, inciphisa ubomi bokufa ngama-30-50%; (3) umsebenzi onzima - amabakala e-austenitic (304, 301) anzima ngexesha lokuqulunqa, efuna i-anneals ephakathi kwi-deep draws kunye nokunyusa iimfuno ze-tonnage press. I-Ferritic stainless (430) yeyona ndlela ingabizi kakhulu xa i-corrosion resistance idingeka ngaphandle kokwenza ubunzulu.
Ukuqukumbela
Insimbi enesitampu idibanisa uluhlu olukhulu - ukusuka kwi-ultra-formable interstitial-free steels kwiipaneli zangaphandle zeemoto ukuya kwi-high-carbon steel steel for cutting edges. Uluhlu oluchanekileyo lokukhetha ibhalansi yokubumba, amandla, ukuwelda, ukuxhathisa umhlwa, kunye neendleko zizonke. Intsimbi epholileyo enekhabhoni ephantsi ibamba uninzi lwezicelo ezinesitampu, ngelixa i-AHSS kunye namabakala awodwa asebenza ngenkangeleko kwiimfuno zolwakhiwo kunye nokusingqongileyo.
Ukuqonda ukuba umlinganiselo wesivuno, ulwandiso, ixabiso le-r, kunye ne-n-value yempembelelo yeziphumo zesitampu inceda iinjineli ukuba zichaze elona bakala lifanelekileyo phambi kokuba kuqalwe ukwakhiwa. Izinto ezikhethwa kushishino oluthile zibonisa amashumi eminyaka yamava esicelo kwaye kufuneka kuboniswane naye njengesiqalo.
Ngaba ufuna uncedo ekukhetheni ibakala lentsimbi elifanelekileyo kwindawo yakho enesitampu? Qhagamshelana neMetal Stamping Parts Ltd - iinjineli zethu zetsimbi kunye nezixhobo zinokucebisa elona bakala libiza kakhulu kwisicelo sakho kunye nomthamo.