Nchịkọta: Ntuziaka a na-ekpuchi QT400-18 ferritic ductile iron, nkọwa GB/T 1348 ya, ihe mba ụwa dakọtara, ụkpụrụ igwe, uru, oke, ngwa na ndetu nkedo CNC.
QT400-18 bụ a ferritic ductile ígwè ọkwa kọwara n'okpuru GB/T 1348.
Ọ na-egosipụta ductility dị elu, ezigbo ike ike na igwe dị ala, nke a na-ejikarị eme ihe maka ihe nkedo na-eguzogide mmetụta.
Kedu ihe bụ QT400-18?
QT400-18 bụ spheroidal graphite nkedo ọkwa ígwè akọwapụtara site na ọkọlọtọ Chinese GB/T 1348.
Usoro ịkpọ aha na-agbaso ụkpụrụ ọkọlọtọ maka akara akara ductile nke China: "QT" na-akọwapụta ígwè nkedo spheroidal graphite; 400 na-ezo aka na ike ike kachasị nke 400 MPa; na 18 na-anọchite anya ọnụego elongation kacha nta nke 18%.
A na-achịkwa microstructure ya site na ferrite, nke na-enye ihe ahụ ductile mbinye aka ya na ịrụ ọrụ siri ike.
Maka okwu mmeghe zuru oke nke isi ductile iron, usoro mmepụta na nhazi izugbe, ị nwere ike nyochaa anyị zuru ductile ígwè ndu.
Edemede a ga-elekwasị anya kpọmkwem na QT400-18 ma zere imegharị ọdịnaya n'azụ ductile n'ozuzu ya.
Ọkọlọtọ QT400-18 na akara akara mba ụwa dakọtara
GB/T 1348 Nkọwapụta nke QT400-18
A na-ahazi QT400-18 site na GB/T 1348, ọkọlọtọ mba maka spheroidal graphite cast iron na China.
Nleba nnabata maka ọkwa a na-adabere na arụ ọrụ igwe kama ịbụ nhazi kemịkalụ edoziri.
A kọwakwara ụdị mgbanwe agbanwegharịrị, QT400-18L n'ime ọkọlọtọ a iji mezuo ihe achọrọ mmetụta dị ala.
Ihe ndị kwekọrọ n'ụwa (ASTM / EN / ISO)
Ndị injinia na-arụ ọrụ na eserese gafere oke na-achọkarị ịdepụta QT400-18 maka akara ule mba ụwa maara nke ọma.
Edepụtara ihe ndị kacha anabatara nke ọma n'okpuru maka naanị ntụaka.
Nnabata ihe ikpeazụ kwesịrị ịgbaso nkọwa njikwa ọrụ ahụ mgbe niile.
- ASTM A536: 60-40-18
- TS EN 1563: EN-GJS-400-18, makwaara dị ka GGG40 na nhọpụta DIN ochie
QT400-18L bụ obere okpomọkụ variant kọwara na GB/T 1348.
Enweghị ike iji ọkọlọtọ QT400-18 dochie ya ozugbo ma ọ bụ ihe kwekọrọ na mba ụwa na-enweghị nleba anya nhazi.
QT400-18 Mechanical & Njirimara anụ ahụ
Tebụl arụmọrụ maka igwe
A na-anwale ụkpụrụ igwe maka QT400-18 n'ogwe ule nkedo ọkọlọtọ.
Arụmọrụ akụkụ dị adị nwere ike ịgbanwe dabere na ọkpụrụkpụ mgbidi nkedo, ọnụego jụrụ oyi na njikwa usoro ntọala.
| Ngwongwo | Ọnụ ahịa kacha nta akọwapụtara | Oke Oke |
| Ike tensile | 400 MPa | 400-480 MPa |
| 0.2% mgbakasị ahụ | 250 MPa | 250-300 MPa |
| Ogologo oge | 18% | 18-24% |
| Brinell Hardness | — | 120–180 HBW |
| Mmetụta ime ụlọ-okpomọkụ siri ike | 14 J | 14–22 J |
Oke ihe mejupụtara kemịkalụ
Ngwakọta kemịkalụ na-eje ozi naanị dị ka ntụaka njikwa usoro n'ime ọkụ. Nnabata nke QT400-18 dabere na ihe eji arụ ọrụ, ọ bụghị oke kemịkalụ.
Ụlọ ọrụ dị iche iche na-edozi carbon, silicon na trace alloying element iji kwụsie ike spheroidization na ferrite matrix.
Egosiri nsonso ihe mejupụtara ahụkarị n'okpuru:
- Carbon: 3.5% ~ 3.9%
- Silicon: 2.2% ~ 2.8%
- Manganese: ≤0.30%
- Phosphorus: ≤0.07%
- sọlfọ: ≤0.03%
Isi uru & oke nke QT400-18
Isi Uru
QT400-18 pụtara n'etiti akara ule iron ductile ferritic maka ike siri ike na arụ ọrụ ya.
- Elu elongation na ductility, ike siri ike banye n'ibu mmetụta dị ike
- Ịtụkwasị obi siri ike nke dị ala ma e jiri ya tụnyere ọkwa ígwè pearlitic ductile
- Machinability dị mma maka ntụgharị CNC, igwe igwe na na-agwụ ike
- Ezigbo ike damping vibration maka ntụgharị na akụrụngwa hydraulic
- Ihe nkedo na-agafeghị oke maka nkedo mgbidi dị mgbagwoju anya, dị gịrịgịrị ruo ọkara
Oke & Ọnọdụ adịghị mma
QT400-18 abụghị ọkwa ígwè ductile zuru ụwa ọnụ, ndị na-emepụta kwesịrị izere itinye ya n'ofe envelopu arụmọrụ ya.
- Isi ike dị ala na-eme ka ọ bụrụ nhọrọ na-adịghị mma maka akụkụ ndị dị n'okpuru akwa abrasive
- A naghị atụ aro maka ngwa chọrọ nguzogide ike ọgwụgwụ kọntaktị dị elu
- Ọkpụkpụ mgbidi na-emetụta njide ferrite nke ukwuu; akụkụ gbara ọkpụrụkpụ nwere ike tụfuo elongation na ike siri ike
- Ọ ga-ekwe omume ịgbado ọkụ mana ọ chọrọ usoro preheat siri ike na mgbe ọkụ gachara iji zere mgbawa
Ngwa ngwa nrụpụta ngwa QT400-18
A na-ahọrọ QT400-18 mgbe nguzogide mmetụta na ductility na-ebute ụzọ karịa ike dị elu ma ọ bụ isi ike.
A na-akọwakarị ya maka ihe ndị na-enweta ibu ujo, ịma jijiji ma ọ bụ bufee oge ụfọdụ. Mụtakwuo maka anyị ductile ígwè n'ibu akụkụ.
Okwu eji eme ihe gụnyere:
QT400-18 Nkedo & Ihe Nrụpụta CNC
Atụmatụ ntọala maka QT400-18
Matriks ferrite na-agbanwe agbanwe bụ ebumnuche ebumnuche maka mmepụta QT400-18.
Ndị otu ntọala na-elekwasị anya na usoro nchịkwa abụọ dị oke mkpa: ọgwụgwọ nodularization na inoculation.
Inoculation nke ọma na-egbochi ịmalite oyi ma na-eme ka ọdịdị spheroid graphite guzosie ike.
Mbelata porosity na microshrinkage bụ ntụpọ nkịtị maka ígwè ductile ferritic.
Ekwesịrị ịmebe sistemu gating na riser iji kwalite nkwado ntụzịaka, ọkachasị maka mpaghara akụkụ dị arọ.
Igwe oyi na-adịghị mma ga-ewebata pearlite ma belata elongation n'okpuru 18% chọrọ.
Atụmatụ Nrụpụta CNC
Microstructure ferritic dị nro nke QT400-18 na-enye ọrụ nrụpụta kwụsiri ike.
Ọ na-emepụta ibe na-aga n'ihu kama uzuzu abrasive, nke na-ebelata iyi ngwá ọrụ ma e jiri ya tụnyere ígwè ductile pearlitic siri ike.
- Ihe ntinye carbide na-enweghị mkpuchi na-arụ ọrụ nke ọma maka ntụgharị na igwe igwe n'ozuzu
- Enwere ike ịtọ ọsọ igbubi ka ọ dị elu karịa igwe nkedo isi awọ
- A na-eji ọgwụgwọ elu dị ka eserese, mkpuchi ntụ ntụ ma ọ bụ impregnation mmanụ maka nchebe corrosion mgbe emechara ya.
Ọ bụrụ na ị na-emepụta ihe nkedo QT400-18 ductile iron na CNC emechara, ị nwere ike. nyochaa oke ngwaahịa nkedo ductile iron anyị.
QT400-18 vs QT450-10 Ductile Iron
QT400-18 na QT450-10 bụ abụọ na-emekarị mgbagwoju anya GB ductile akara ule.
Tebụl dị n'okpuru na-akọwapụta ọdịiche ha maka nhọrọ ihe.
| Oke | QT400-18 | QT450-10 |
| Ike tensile kacha nta | 400 MPa | 450 MPa |
| Mgbatị kacha nta | 18% | 10% |
| Ọdịdị Matrix | Ferritic zuru oke | Ferritic-pearlitic |
| Isi ike dị ala | Mma | Ala |
| Oke ike ike | 120–180 HBW | 160-210 HBW |
| Kachasị mma maka | Mmetụta, ọrụ okpomọkụ dị ala | Ike na-agafeghị oke, akụkụ nhazi izugbe |
Họrọ QT400-18 mgbe elongation na mmetụta absorption dị oké egwu.
QT450-10 bụ ọkachamma maka ngwa chọrọ ike tensile dị elu ebe achọrọ ductility na-adịchaghị mma.
FAQ
Ọ bụ QT400-18 dị ka ígwè ductile 60-40-18?
A na-emeso QT400-18 dị ka ndị China kwekọrọ na ASTM A536 60-40-18, mana akọwara ha n'okpuru ụkpụrụ dị iche iche.
Maapụ a na-eje ozi naanị maka nyocha ihe mbido.
Usoro nnabata niile ga-agbasorịrị ọkọlọtọ akụrụngwa akọwapụtara nke ọrụ ahụ.
Enwere ike ịgbado QT400-18?
Welding bụ teknụzụ ga-ekwe omume, mana ọ chọrọ njikwa usoro nke ọma.
Igwe ọkụ na-ekpo ọkụ na nke a na-achịkwa bụ iwu ka ịzenarị mpaghara na-agbaji agbaji na mgbawa.
Mkpịsị aka weld ga na-atụfukarị akụkụ nke ductility nke ihe ndabere.
Kedu ihe dị iche n'etiti QT400-18 na QT400-18L?
QT400-18L bụ obere okpomọkụ dị iche iche.
Ọ na-edobe ụkpụrụ mmetụta Charpy na-ekwe nkwa na obere ọnọdụ nnwale maka akụrụngwa gburugburu oyi.
Ọkọlọtọ QT400-18 na-ekpuchi naanị ihe achọrọ mmetụta okpomọkụ ụlọ.
QT400-18 dị mma maka akụkụ na-eguzogide iyi?
N'ozuzu mba. Matrix ferritic dị nro na-enye nguzogide abrasion nwere oke.
Maka ngwa iyi, ígwè ductile siri ike dị elu, ígwè ductile austempered ma ọ bụ ihe nkedo alloy kwesịrị ịtụle kama.
