Alloy a lam hte hpaga lam a lit
Inconel 625 hpe Nickel Alloy 625 (sh) UNS N06625 ngu nna mung shamying ma ai, dai gaw n-gun ja ai n-gun ja ai n-gun ja ai n-gun ja ai n-gun ja ai nickel -chromium -molybdenum -niobium n-gun ja ai bungli ni a matu galaw shapraw ai re. Shi gaw laklai ai n-gun, n-gun n-gun, n-gun n-gun 1000℃(1832℃F) du hkra cryogenic masa kaw nna n-gun n-gun hpe n-gun jaw ya lu ai.
Ndai grade hpe panglai arung arai ni, tsi mawan ni hpe galaw shapraw ai ladat ni, n san seng ai hpe hkang ai jak ni, nuclear reactor ni, jet engine exhaust assemblies-ni hta grai lang ai rai nna, dai shara ni hta npawt nhpang n-gun hte n-gun n-gun hpe hkang ai lam ni hpe rau jawm galaw ra ai. Shi a Ni-Cr-Mo-Nb rap ra ai lam gaw, shi hkum shi shamai shatsai ya lu ai oxide film hpe shabyin ya nna, acidic hte chloride-law ai masa hta pyi, shara shagu na gasat gala lam hpe pat shingdang ya lu ai.
Chemical hkrang shapraw ai lam hte nhprang sut rai ni a arawn alai
| Hkarang jet | % Masat masa madang | Bungli byin ai |
|---|---|---|
| Nikel (Ni) | 58.0 hta grau kaba ai (sh) maren sha re. | Npawt nhpang matrix; n-gun n rawng ai hte katsi ai n-gun n rawng ai |
| Chromium (Cr) | 20.0–23.0 | Oxidation hpe hkang na matu n-gun n rawng ai oxide hpe hpaw ya ai |
| Molibden (Mo) | 8.0–10.0 | Pitting hte crevice n-gun hpe ninghkap lu ai |
| Niobium (Cb + Ta) | 3.15–4.15 | Solid solution hpe n-gun shaja ya ai; n-gun n rawng ai hpe pat shingdang ai |
| Hpri (Fe) | 5.0 hta n law ai (sh) maren sha re. | Hpaga lam a arawn alai ni hpe grau kaja hkra galaw ya ai |
| Kabon (C) | 0.10 hta n law ai (sh) maren sha re. | Carbide byin pru wa ai hpe hkang ai |
| Mn / Si / S | 0.5 / 0.5 / 0.015 hta n law ai (sh) maren sha re. | San seng ai lam hte weld quality hpe makawp maga na |
Molybdenum hte niobium a kahkyin gumdin ai akyu gaw, hka lim ai lam n nga ai sha, n-gun kaba hpe shapraw ya lu ai majaw, aten galu-katsi ai aten hta loi ai hku galaw lu nna, ngang grin ai hku galaw lu ai. Ndai microstructure gaw n-gun n rawng ai n-gun ni hpe n-gun n rawng hkra tawn da ya nna, n-gun -lamu ga jarit hpe welding (sh) annealing galaw ngut ai hpang n-gun n rawng hkra makawp maga ya ai.
Katsi ai hte myit ru myit tsang ai lam npu hta jak rung kam hpa mai ai lam
| A rai | Masat masa (min) | Hkawhkam (min) | Sanglang dan ai lam |
|---|---|---|---|
| Tensile n-gun | 827 MPa | 120 ksi | 870℃du hkra dinghpring ai lam hpe makawp maga ya ai |
| Hkai sun n-gun (0.2 %) | 414 MPa | 60 ksi | Load npu hta galai shai ai lam hpe ninghkap lu ai |
| galu wa ai | % hta grau kaba ai (sh) maren sha re. | % hta grau kaba ai (sh) maren sha re. | -hpe shadan dan ai hpang grai kaja ai ductility |
| N-gun ja ai | HRB hta n law ai (sh) maren sha re. | HRB hta n law ai (sh) maren sha re. | Machine galaw lu ai atsam hte hkrang shapraw lu ai atsam jaw ya ai |
625 gaw, n-gun yawm ai lam hte dimensional ngang grin ai lam hpe n-gun n rawng ai sha, oxidation hpe hkang lu ai atsam hpe n-gun n rawng ai sha, n-gun n rawng ai hku hkam la lu ai.
Hpaga galaw ai ladat hte katsi ai hte tsi lajang ai lam
Pipe hte hka htung ni hpe n-gun ja ai hku shapraw ai (sh) katsi ai hku shapraw ai hku nna galaw nna, dai hpang 1090–1150℃(1995–2100℃F) hta n-gun dat hpe n-gun dat nna, n-gun dat hpe bai gram lajang na matu lawan ai hku n-gun dat dat ai. Welded amyu ni hpe TIG (sh) plasma ladat hku nna inert gas hpe makawp maga ai hku nna galaw shapraw ai.
Hkrak ai hku galaw ai hte katsi ai sizing gaw bunghku hpe langai sha re ai hku tawn da ya nna, pickling hte bright annealing gaw makawp maga ya ai Cr2O3 ntsa na film hpe bai galaw ya ai. Hpaga lam hte jep joi ai lam hta hkan sa aiASTM B444, B705, hte B704madang ni hpe hkan sa ai.
Media ting hta Corrosion hpe ninghkap lu ai atsam
Dai alloy a lahkawng lang galaw ai lam-nickel-chromium oxide film hpe oxidizing masa a matu hte molybdenum-niobium n-gun jat ai lam gaw grup yin hpe shayawm ya ai-dai hpe galu kaba ai chemical ngang grin ai lam jaw ya ai:
- Panglai hka hte chloride ni:Pitting, hka lim ai, hte stress-htum mat ai hpe ninghkap lu ai.
- N-gun ja ai asid (nitric, chromic):Chromium gaw nbung katsi ai shara hta oxide hpe makawp maga ya ai.
- Hka ja ai acid ni hpe shayawm ya ai (hydrokloric, phosphoric):Molybdenum gaw shara shagu hta gasat gala ai lam hpe pat shingdang ya ai.
- N-gun ja ai wan (H2S):Sau hte wan sau daw jau ai lam a matu sulfide stress hpe ninghkap lu ai.
- Tsaw-katsi ai oxidation:1000℃du hkra n-gun yawm mat ai hte magri sum mat ai hpe ninghkap lu ai.
Shadawn shadang hte arung arai jaw ya ai lam
| Hpan | Shinggan Diameter | Bunghku n-gun | Shadawn shadang | Laksan masat masa |
|---|---|---|---|---|
| N-gang n-nga ai Pipe | 6-610 mm | 1-50 mm | m du hkra | ASTM B444 / ASME SB444 |
| Weld galaw da ai Pipe | 25-1200 mm | 1.5-60 mm | m du hkra | ASTM B705 / ASME SB705 |
| Tube (Hka lum ai hpe galai shai ai jak / jak) | 6-76 mm | 0.8-10 mm | Coil / Dingyang | ASME B704 / ASME SB704 |
Tight-hkam sharang ngut kre ai lam gaw, hkrak hkrak hkrak hkrak rai nna, ntsa lam hpe ngut kre hkra galaw ra ai, jak hte katsi ai-galai shai ai arung arai ni a matu mai lang ai.
Chyam dinglik ai lam, masat masa galaw ai lam, hte kaja ai lam hpe kam hpa ai lam
Product yawng hpe per 100 hta chyam yu ai.ASTM B829-n jahten sharun ai dinghpring ai lam hte dimensional hkrak ai lam a matu.
Kalang lang jep joi ai lam ni hta, hka n-gun n rawng ai (sh) nsen n-gun n rawng ai hpe jep joi ai lam, PMI hku nna nickel lawm ai hpe jep joi ai lam, n-gun rawng ai n-gun rawng ai lam hpe jep joi ai lam (ASTM G28 Method A/C) ni lawm ai.
Octal Pipe gaw arung arai ni hpe jaw ya ai.EN 10204 3.1 / 3.2 MTC, hkum tsup ai hku hkan tam lu ai, hte masum ngu na-hpung kaw na jep joi ai lam ni hpe lata la mai ai (BV, SGS, TUV).
Hpaga lam hpe galaw sa wa ai lam hte masing hpe madi shadaw ai lam
Inconel 625 gaw ahkyak ai npawt nhpang gawgap lam ni hpe galaw ya ai rai nna, chloride brines hta panglai hkin-gau pipeline ni, nbungli n-gun dat ni, nuclear hpe bai galaw shapraw ai sanghpaw ni, hka ja ai jak ni, n san seng ai hpe hkang ai scrubber ni lawm ai.
Octal Pipe gaw EPC hte n-gun atsam bungli masing ni a matu hkrang shapraw da ai welding atsam marai, NDE gahkyin gumdin lam, hpaji masa laika buk ni hte engineering supply hparan ladat ni hpe jaw ya ai. N-gun rawng ai ladat hpe hkang ai gaw, n-gun rawng ai batch shagu hta bai galaw lu ai jak hte n-gun rawng ai lam hpe madi shadaw ya ai.
FAQ
Q1: Alloy 625 pipe vs tube a matu gara madang hpe tsun dan ra na kun?
Q2: UNS N06625 (Alloy 625) hpe n-gun ja ai magam bungli (H2S) hta lang mai na kun?
Q3: Inconel 625 hpe n mari shi yang quality hpe jep yu na matu hpa hpyi shawn ra ai kun?
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