Okwu mmalite
NkeASTM A312 UNS S30815 253MA igwe anaghị agba ncharabụ ihe austenitic igwe anaghị agba nchara na-arụ ọrụ dị elu nke a maara maka nguzogide ya dị elu na ikuku oxidation dị elu, corrosion, na ihe ndị dị mma na-arụ ọrụ na gburugburu okpomọkụ dị elu.253MAemebere ya maka ọrụ na ngwa ndị chọrọ nkwụsi ike dị elu, karịsịa na ụlọ ọrụ ọkụ na ọkụ ọkụ. Nguzogide ya dị ịrịba ama maka ịchacha, carburization, na oxidation n'ozuzu na-eme ka ọ bụrụ ihe a pụrụ ịdabere na ya maka gburugburu ebe obibi.
A na-eji ọkwa a nke igwe anaghị agba nchara eme ihe na ngwa mmepụta ihe dị elu ma dị mma maka ngwa ebe ma ike dị elu na nkwụsị oxidation dị oke egwu.
Ụkpụrụ na nkọwapụta
NkeASTM A312 UNS S30815 253MA igwe anaghị agba ncharaa na-arụ ya dịka ụkpụrụ ndị a si dị:
- ASTM A312Ọkọlọtọ nkọwapụta maka enweghị nkebi, welded, na nnukwu oyi na-arụ ọrụ Austenitic igwe anaghị agba nchara.
- UNS S30815: Sistemụ ọnụọgụgụ ọnụ maka akụrụngwa na-achọpụta nke a dị ka ọkwa igwe anaghị agba nchara dị elu.
- EN 10088-2: Ụkpụrụ European maka igwe anaghị agba nchara, ihe mkpuchi chọrọ maka ihe mejupụtara ihe a, ihe eji arụ ọrụ na nnwale.
Ngwakọta kemịkalụ(% site na ibu)
The chemical mejupụtara nke253MA (UNS S30815)emebere ya iji nye ezigbo nguzogide oxidation na ike okpomọkụ dị elu. Ihe mejupụtara ya bụ nke a:
| Ihe | Ihe mejupụtara (%) |
| Chromium (Cr) | 20.00 - 23.00% |
| Nickel (Ni) | 24.00 - 26.00% |
| Silikon (Si) | 1.50-2.50% |
| Manganese (Mn) | 1.00 - 2.00% |
| Carbon (C) | ≤0.08% |
| Phosphorus (P) | ≤ 0.045% |
| Sulfur (S) | ≤ 0.030% |
| Nitrogen (N) | 0.10-0.30% |
| Ígwè (Fe) | Nhazi |
Njirimara ihe: Njirimara igodo
253MA(UNS S30815) na-ejikọta ike okpomọkụ dị elu na nguzogide oxidation. Nke a na-eme ka ọ dị mma maka ngwa na gburugburu ebe dị oke egwu, dị ka ọkụ ọkụ na ihe ọkụ ọkụ. Ngwa ahụ nwere nnukwu chromium na ọdịnaya nickel, na-enye ezigbo nguzogide oxidation na okpomọkụ ruo 1150°C (2100°F).
Njirimara anụ ahụ
- Njupụta: 7.8g/cm³
- Ebe Na-agbaze: 1390°C (2540°F)
- Nrụpụta okpomọkụ: 15.5 W/m·K na 100°C
- Okpomọkụ akọwapụtara: 0.50 J/g·K na 100°C
- Eletriki Resistivity: 0.73 μΩ·m na 20°C
- Ike ọdụdọ: 570 MPa (opekempe)
- Mpụta Ike: 240 MPa (opekempe)
- Ogologo oge: 40% (opekempe)
- Isi ike (Rockwell B)HRB 90 (kachasị)
- Modul nke Elasticity: 200 GPA
- Oke Poisson: 0,30
- Nguzogide dị oke mma maka oke ikuku oxidation, scaling, na carburization.
- Na-ejigide ike yana nkwụsi ike na okpomọkụ karịrị 1000°C (1832°F).
- Nguzogide dị elu na gburugburu acidic na alkaline.
- Na-eguzogide sọlfọ na chloride kpatara nrụgide corrosion mgbawa.
- Nwere ike iguzogide gburugburu ebe ike na-eme ihe ike, na-eme ka ọ dị mma maka iji nhazi kemịkalụ na usoro mmepụta ihe dị elu.
Ihe eji arụ ọrụ
Nguzogide Oxidation
Nguzogide corrosion
Usoro mmepụta: Ịrụ ọrụ maka nkenke
Imepụta nke253MA igwe anaghị agba ncharana-agbaso usoro mmepụta kachasị ọhụrụ iji hụ na ịdị elu dị elu na ịdịte aka:
- Nrụpụta ọkpọkọ enweghị nkebi: Emepụtara site na extrusion, rotary piercing, na elongation usoro iji mepụta ọkpọkọ enweghị nkebi nwere ọkpụrụkpụ mgbidi.
- Usoro oyi-arụ ọrụ: A na-eji ihe osise oyi ma ọ bụ pilgering eme ihe iji nweta akụkụ ziri ezi na ebe dị larịị.
- Ọgwụgwọ okpomọkụ: Ọkụ na-enweta ọgwụgwọ okpomọkụ na okpomọkụ dị iche iche iji welie ihe eji arụ ọrụ ha na arụ ọrụ okpomọkụ dị elu.
- Pickling & Passivation: The ọkpọkọ na- pickled wepụ ọnụ ọgụgụ na oxide fim na passivated iji hụ na iguzogide n'ihu corrosion.
Nlele na nyocha: Nkwenye mma
Womic Steel na-agbaso ụkpụrụ nnwale siri ike iji hụ na ọ kacha mma maka ya253MA igwe anaghị agba nchara:
- Nyocha ihe mejupụtara kemịkalụ: Ekwenyere na iji usoro spectroscopic iji gosi na alloy na-ezute ihe ndị akọwapụtara.
- Nnwale igwe: Nnwale ntanye, ike siri ike na mmetụta iji nyochaa arụmọrụ ihe na okpomọkụ dị iche iche.
- Nnwale Hydrostatic: A na-anwale ọkpọkọ maka ịdịte aka nrụgide iji hụ na arụmọrụ na-enweghị nkwụsị.
- Nnwale anaghị emebi emebi (NDT): Gụnyere ultrasonic, eddy current na nnwale penetrant iji chọpụta ntụpọ dị n'ime ma ọ bụ elu.
- Nleba anya na akụkụ: A na-enyocha ọkpọkọ ọ bụla maka imecha elu ya, a na-enyochakwa nha nha anya megide nkọwapụta.
Maka ozi ndị ọzọ ma ọ bụ ngụ aha omenala, kpọtụrụ Womic Steel taa!
Email: sales@womicsteel.com
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Oge nzipu: Jan-08-2025