[Copy] 20 # ọkpọkọ enweghị nkebi
Oke ngwa
Ụdị ọkpọkọ a na-eji ebu mmanụ, gas, gas, mmiri, na ụfọdụ ihe siri ike
Isi ọkwa
Ọkwa nke elu-edu carbon structural ígwè: 20g, 20mng, 25mng
Ọkwa nke alloy structural steel15mog,20mog,12crmog,15crmog,12cr2mog,12crmovg,12cr3movsitib, wdg
Ọkwa nke nchara na-eguzogide okpomọkụ na-eguzogide steel1cr18ni9 1cr18ni11nb
Ngwakọta kemịkalụ
| Ọkwa | Akụkụ kemịkalụ% | ||||||||||||||
|
| C | Si | Mn | Cr | Mo | V | Ti | B | Ni | Cu | Nb | N | W | P | S |
| 20# | 0.17- | 0.17- | 0.35- | ≤ | - | - | - | - | ≤ | ≤ | - | - | - | ≤ | ≤ |
Ngwongwo igwe
| Ọkwa | Ngwongwo igwe | ||||
|
| Mgbatị | Mmụba | Gbatịa | Mmetụta (J) | Aka |
| 20# | 410- | ≥ | ≥20% | - | - |
Achọrọ nnwale
Na mgbakwunye na ịgba mbọ hụ na mejupụtara kemịkalụ na akụrụngwa akụrụngwa, a na-eme nnwale hydrostatic n'otu n'otu, a na-eme nnwale flaring na flattening. . Na mgbakwunye, enwere ụfọdụ ihe achọrọ maka microstructure, nha ọka, na oyi akwa decarburization nke ọkpọkọ ígwè emechara.
Uru
1. Oge nnyefe: Nnukwu ngwa ahịa jide n'aka na oge nnyefe kacha nta, tumadi 5-7 ụbọchị.
2. Ọnụ njikwa: Akụrụngwa dị n'aka na ahụmahụ dị ukwuu nke njikwa ọnụ ahịa ka anyị nwere ike ịnye isi ihe enyemaka kachasị mma na mkpa ndị ahịa.
3. Ihe igwe igwe ihe kacha elu: Nwere ike ịnye asambodo setịpụrụ zuru oke na akwụkwọ ruru eru iji gosipụta ogo dị elu na nkwado maka ịdị nro.
4. Sistemụ QC siri ike: nyocha zuru oke na saịtị, nyocha zuru oke na akụkọ, nyocha nke ndị ọzọ.
5.Mgbe ọrụ: niile ngwaahịa traceable, ahịa aza ajụjụ na isi iyi
Nkwakọ ngwaahịa
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