Ụdị nke 317L igwe anaghị agba nchara dị na Cepheus igwe anaghị agba nchara
- Mpempe akwụkwọ
- Efere
- Ogwe
- Pipe & Tube (welded & enweghị nkebi)
- Ngwakọta (ya bụ flanges, slip-ons, blinds, weld-neck, lapjoints, long welding necks, socket weld, elbows, tees, stub-end, return, caps, crosses, reducers, and pipe nipples)
- Weld waya (AWS E317L-16, ER317L)
Nyochaa igwe anaghị agba nchara 317L
317L bụ molybdenum na-ebu, obere carbon ọdịnaya "L" ọkwaaustenitic igwe anaghị agba ncharanke na-enye mma nguzogide corrosion n'elu 304L na 316L igwe anaghị agba nchara. Carbon dị ala na-enye iguzogide mmetụta uche n'oge ịgbado ọkụ na usoro ikpo ọkụ ndị ọzọ.
317L abụghị ihe ndọta n'ọnọdụ annealed mana ọ nwere ike ịghọ ihe ndọta dịtụ n'ihi ịgbado ọkụ.
Nguzogide corrosion
317L nwere ezigbo nguzogide corrosion n'ụdị kemịkalụ dị iche iche, ọkachasị na gburugburu acidic chloride dị ka ndị zutere na pulp na igwe igwe akwụkwọ. Mmụba ọkwa nke chromium, nickel na molybdenum tụnyere 316L igwe anaghị agba nchara na-eme ka iguzogide pitting chloride na corrosion izugbe. Nguzogide na-abawanye site na ọdịnaya alloy molybdenum. 317L na-eguzogide ọgwụ sulfuric acid ruo pasent 5 na okpomọkụ dị elu dị ka 120°F (49°C). Na okpomọkụ n'okpuru 100°F (38°C) alloy a nwere ezigbo nguzogide na ngwọta nke itinye uche dị elu. Agbanyeghị, a na-atụ aro ule ọrụ ka ọ bụrụ akaụntụ maka mmetụta nke ọnọdụ arụ ọrụ akọwapụtara nke nwere ike imetụta omume corrosion. N'ime usoro ebe condensation nke sọlfọ na-ebu gas na-eme, 317L na-eguzogide ọgwụ na-ebuso ya agha n'ókè nke condensation karịa alloy 316. Ntụle acid nwere mmetụta dị ịrịba ama na ọnụọgụ nke mwakpo na gburugburu ndị dị otú ahụ na kwesịrị iji nlezianya kpebisie ike site na ọrụ. ule.
Ngwakọta kemịkalụ,%
| Ni | Cr | Mo | Mn | Si | C | N | S | P | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 11.0 - 15.0 | 18.0 - 20.0 | 3.0-4.0 | 2.0 Oke | .75 Max | 0.03 Max | 0.1 Max | 0.03 Max | 0.045 Max | Nhazi |
Gịnị bụ àgwà nke 317L igwe anaghị agba nchara?
- Emelitere n'ozuzu na corrosion mpaghara ruo 316L igwe anaghị agba nchara
- Ezi formability
- Ezi weldability
N'ime ngwa ndị a na-eji igwe anaghị agba nchara 317L?
- Sistemụ desulfurization flu-gas
- Chemical usoro arịa
- Petrochemical
- Pulp na akwụkwọ
- Condensers na ike mmepụta
Ihe eji arụ ọrụ
Ngwongwo akọwapụtara nke kacha nta, ASTM A240
| Ike tensile kacha elu, ma ọ bụ kacha nta | .2% Ike Mpụta, nke kacha nta | Pasent elongation | Isi ike Max. |
|---|---|---|---|
| 75 | 30 | 35 | 217 Brinell |
ịgbado ọkụ 317L
317L na-agbado ngwa ngwa site n'ọtụtụ usoro ịgbado ọkụ (ma ewezuga oxyacetylene). AWS E317L / ER317L metal filler ma ọ bụ austenitic, obere carbon filler metals na molybdenum ọdịnaya dị elu karịa nke 317L, ma ọ bụ a nickel-base filler metal nwere chromium zuru ezu na molybdenum ọdịnaya gafere corrosion eguzogide nke 317L kwesịrị iji weld 317L ígwè.
Oge nzipu: Eprel-12-2020