Ndubata
Oseihe nwaanyiAUTTM A312 na-enweghị isi s30815 253A na-adọkasị ncharaBụ Austhenitic na-enweghị atụ na-agba nchara alloy zuru oke nke ndị na-eguzogide ya elu-okpomọkụ, corrosion Njirimara dị mma na gburugburu okpomọkụ dị elu.253meriEzubere ya maka ọrụ na ngwa chọrọ nkwụsi ike dị elu, ọkachasị na ụlọ ọrụ ọgwụgwọ ọkụ. Ntugide ya pụtara ìhè na-awụda, crobalization, na General n'oxidation na-eme ka ọ bụrụ ihe a pụrụ ịdabere na ya maka gburugburu ebe obibi.
A na-ejikwa ọkwa nke igwe anaghị agba nchara a na-ejikarị ngwa mmepụta ihe dị elu ma dịkwa mma maka ngwa ebe ike dị elu na nkewa dị oke mkpa.
Ụkpụrụ na nkọwapụta
Oseihe nwaanyiAUTTM A312 na-enweghị isi s30815 253A na-adọkasị ncharaEmepụtara dị ka ụkpụrụ ndị a:
- ASTM A312: Nkọwapụta ọkọlọtọ maka enweghị isi, welded, na oyi na-adị oke egwu na-arụ ọrụ ígwè
- S30815: Sistemụ ọnụ ọgụgụ dị n'otu maka ihe na-akọwapụta nke a dị ka ọkwa nchara dị elu.
- En 10088-2: European ọkọlọtọ maka igwe anaghị agba nchara, na-ekpuchi ihe ndị achọrọ maka ihe onwunwe a, Njirimara arụ ọrụ, na nnwale.
Ihe mejupụtara kemịkal(% site na ibu)
Ihe mejupụtara kemịkalụ nke253ma (enweghị s30815)Ezubere iji bulie oxidance na ike okpomọkụ. Ihe mejupụtara a na-ahụkarị bụ ndị a:
| Mmewere | Ihe mejupụtara (%) |
| Chromium (cr) | 20.00 - 23.00% |
| Nickel (ni) | 24,00 - 26.00% |
| Silicon (si) | 1.50 - 2.50% |
| Manganese (mn) | 1.00 - 2.00% |
| Carbon (c) | ≤ 0.08% |
| Phosphorus (p) | ≤ 0.045% |
| Sọlfọ (s) | ≤ 0.030% |
| Nitrogen (n) | 0.10 - 0.30% |
| Iron (Fe) | Itule |
Ngwongwo onwunwe: njirimara ndị dị mkpa
253meri(Na-enweghị isi s30815) na-ejikọ ike dị elu dị elu dị elu dị elu dị elu. Nke a na - eme ka ọ dị mma maka ngwa na gburugburu ebe obibi, dị ka oku na ndị na - enyocha okpomọkụ. Ihe a nwere na-enwe afọ ojuju chromium na nickel, na-enye ezigbo nguzogide na oxidary na oge okpomọkụ ruo 1150 Celsius C (2100 Celsius F).
Njirimara anụ ahụ
- Keuju: 7.8 g / cm³
- Na-agbaze: 1390 ° C (2540 ° F)
- Ọkụ na-eme ihe ọkụkụ: 15.5 w / MkpỌ na 100 Celsius C
- Okpomoku di iche iche: 0.50 J / G · na 100 Celsius C
- Eletriki na-adịgide adịgide: 0.73 μω · na 20 Celsius C
- Ike ọdụdọ: 570 MPA (opekempe)
- Runnwe ike: 240 MPA (opekempe)
- Elongation: 40% (opekata mpe)
- Ihe isi ike (Rockwell B): HRB 90 (kacha)
- Modulu nke adiamac: 200 GPA
- Raisson's's's: 0.30
- Ezigbo nguzogide elu-okpomọkụ nke okpomọkụ, na-awụda, na carburtization.
- Idogide ike na ụdị nkwụsi ike na ọnọdụ okpomọkụ karịrị 1000 Celsius C (1832 Celsius F).
- Iguzogide nke acidic na alkaline.
- Na-eguzogide sọlfọ na chloride-na-akpata nrụgide corrosonion.
- Nwere ike iguzogide gburugburu iwe iwe, na-eme ka ọ dị mma maka iji na nhazi mmiri kemịkalụ na ọnọdụ okpomọkụ dị elu.
Ngwongwo nke mebere
Oxid na-eguzogide
Corrosion iguzogide
Usoro Mmepụta: Ọrụ Cransmancinsh
Imeputa ihe253ma anaghị agba ncharaNa-eso usoro mmepụta kachasị ọhụrụ iji hụ na ịdị elu na ịdị ogologo:
- Na-emepụta ihe na-enweghị atụ: Emepụtara site na ntụgharị, rotary na-emegharị, na usoro elongation iji mepụta ọkpọkọ mmiri na-enweghị mmiri.
- Usoro na-arụ ọrụ: A na-arụ ọrụ oyi ma ọ bụ usoro ịpị na-arụ ọrụ iji nweta ogo zuru oke na nnukwu ala.
- Ọgwụ Ọgwụ: Oke ọkpọkọ na-aga n'ihu na-eme ọgwụgwọ n'oge okpomọkụ iji mee ka ihe ha na-arụ ọrụ na arụmọrụ dị elu.
- Pickling & passivation: A na-akpọkọta ọkpọkọ ahụ iji wepu ọnụ ọgụgụ na fimxide mara mma ma na-ebufe iji hụ na iguzogide corrosion.
Nnwale na nyocha: Mmesi obi ike
Igwe eji eme ihe na-esote usoro nnwale siri ike iji hụ na ọ kacha mma maka253ma anaghị agba nchara:
- Nyocha nyocha kemịkalụ: Kpachara site na iji usoro dị iche iche iji gosi na alloy na-ezukọta mejupụtara ihe mejupụtara.
- Nnwale nke mebere: Tensile, ihe siri ike, na nnwale iji nyochaa arụmọrụ ihe omume na ọnọdụ dị iche iche.
- Nnwale hydrostatic: A na-anwale pipes maka nrụgide nrụgide iji hụ na arụmọrụ na-enweghị atụ.
- Nnwale na-abụghị nke na-enweghị ike (NDT): Gụnyere ultrasonic, eddy dị ugbu a, na ị na-anwale ule iji chọpụta ma ọ bụ ntụpọ dị n'elu.
- Nlele anya na ụdị: A na-enyocha pipe ọ bụla maka imecha elu, na akụkụ akụkụ nke nkọwapụta megide nkọwapụta.
Maka ozi ndị ọzọ ma ọ bụ okwu omenala, kọntaktị Nwanyị steel taa!
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Oge post: Jan-08-2025