Mgbe ị na-ahọrọ ihe igwe anaghị agba nchara, 3Cr12 na 410S bụ nhọrọ abụọ a na-ejikarị. Ọ bụ ezie na ha abụọ bụ igwe anaghị agba nchara, ha na-egosipụta nnukwu ọdịiche dị na nhazi kemịkalụ, arụmọrụ, na mpaghara ngwa. Isiokwu a ga-abanye n'ime isi ọdịiche dị n'etiti efere igwe anaghị agba nchara abụọ na ngwa ha, na-enyere gị aka ịme nhọrọ ziri ezi maka ọrụ gị.
Kedu ihe bụ 3Cr12 igwe anaghị agba nchara?
3Cr12 igwe anaghị agba ncharabụ igwe anaghị agba nchara ferritic nwere 12% Cr, nke dabara na ọkwa European 1.4003. Ọ bụ igwe anaghị agba nchara echekwabara nke a na-eji dochie carbon ígwè mkpuchi, igwe ihu igwe na aluminom. Ọ nwere njirimara nke nhazi na nrụpụta dị mfe, yana enwere ike ịgbanye ya site na teknụzụ ịgbado ọkụ. Enwere ike iji ya mee: okpokolo agba ụgbọ ala, chassis, hoppers, eriri ebu, ntupu ntupu, ebe a na-ebufe mmiri, ebe a na-ebufe kol, arịa na tankị, chimney, ikuku ikuku, na mkpuchi mpụta, Panels, ụzọ ụzọ, steepụ, okporo ụzọ, wdg.
Kedu ihe bụ 410S igwe anaghị agba nchara?
410S igwe anaghị agba ncharabụ obere carbon, na-abụghị hardening mgbanwe nke martensitic igwe anaghị agba nchara 410. Ọ nwere banyere 11.5-13.5% chromium na obere ego nke ndị ọzọ ọcha dị ka manganese, phosphorus, sulfur, silicon, na mgbe ụfọdụ nickel. Ọdịnaya carbon dị ala nke 410S na-eme ka weldability ya dịkwuo mma ma na-ebelata ihe ize ndụ nke ike ike ma ọ bụ mgbawa n'oge ịgbado ọkụ. Otú ọ dị, nke a pụtakwara na 410S nwere ike dị ala ma e jiri ya tụnyere ọkọlọtọ 410. Na-enye ezigbo nkwụsị nke corrosion, karịsịa na gburugburu ebe dị nro, ma ọ bụ ihe na-eguzogide ọgwụ karịa austenitic igwe anaghị agba nchara dị ka 304 ma ọ bụ 316.
Ⅰ.3Cr12 na 410S Steel Plate Chemical Composition
Dabere na ASTM A240.
| Ọkwa | Ni | C | Mn | P | S | Si | Cr |
| 3Cr12 | 0.3-1.0 | 0.03 | 2.0 | 0.04 | 0,030 | 1.0 | 10.5-12.5 |
| 3Cr12L | 0.3-1.0 | 0.03 | 1.5 | 0.04 | 0.015 | 1.0 | 10.5-12.5 |
| 410S | 0.75 | 0.15 | 1.0 | 0.04 | 0.015 | 1.0 | 11.5-13.5 |
Ⅱ.3Cr12 na 410S Steel Plate Njirimara
3Cr12 igwe anaghị agba nchara: Na-egosiputa ịdị mma siri ike na weldability, dabara maka ụzọ nhazi dị iche iche. Na-enye ike na-agafe agafe ma na-eyi nkwụsi ike, na-eme ka ọ nwee ike ịnagide nrụgide ụfọdụ n'ibu.
Igwe anaghị agba nchara 410S:Na-egosipụta ike siri ike dị elu, na-eme ka ọ dị mma maka ngwa okpomọkụ dị elu, ma ọ nwere weldability na-adịghị mma. Ike ya na nguzogide okpomọkụ na-eme ka ọ dị elu na ọnọdụ okpomọkụ dị elu.
| Ọkwa | Rm(MPa) | Oke ike ike(BHN) | Ogologo oge |
| 3Cr12 | 460 | 220 | 18% |
| 3Cr12L | 455 | 223 | 20% |
| 410S | 415 | 183 | 20% |
Ⅲ.3Cr12 na 410S Steel Plate Ngwa Mpaghara
3Cr12: A na-eji ngwa ngwa kemịkalụ, akụrụngwa na-edozi nri, na ihe owuwu ihe owuwu ya. Nguzogide corrosion ya dị mma na-eme ka ọ dị mma maka gburugburu iru mmiri na acidic.
410S: A na-ejikarị eme ihe na turbine components, ndị na-ekpo ọkụ, na ndị na-ekpo ọkụ na-ekpo ọkụ na gburugburu ebe okpomọkụ dị elu. Kwesịrị ekwesị maka ngwa ndị na-achọ okpomọkụ ma na-eyi nguzogide.
Ⅳ. Nchịkọta ntụnyere
Akụkụ ndị bụ isi nke 3Cr12:
• Ihe mejupụtara: Ọdịnaya Chromium nke 11.0-12.0%, ọdịnaya carbon ≤ 0.03%.
• Nguzogide corrosion: Kwesịrị ekwesị maka gburugburu ebe obibi dị nro dị nro, dị ka ihe nhazi, akụrụngwa na-egwuputa ihe, na ngwa mmepụta ihe n'ozuzu.
• Weldability: Ezi ịgbado ọkụ arụmọrụ n'ihi na ya ala carbon ọdịnaya.
| Ọkọlọtọ | Ọkwa |
| South African Standard | 3Cr12 |
| Ụkpụrụ European | 1.4003 |
| Ụkpụrụ US | UNS S41003 (410S) |
| Ọkọlọtọ mba ụwa | X2CrNi12 |
• 410S: Isi ike dị elu mana ike siri ike dị ntakịrị, enweghị titanium, nwere weldability na-agafeghị oke, yana dabara maka ngwa na-eguzogide corrosion n'ozuzu.
• 3Cr12: Carbon dị ala, dị ọnụ ala, dabara adaba maka gburugburu ebe obibi dị nro, yana ezigbo weldability.
Oge nzipu: Ọktoba 24-2024