Alloy Profile a me ka Hana Hana
ʻO Inconel 625, ʻo ia hoʻi ʻo Nickel Alloy 625 a i ʻole UNS N06625, he nickel -chromium-molybdenum-niobium paʻa paʻa i hoʻomohala ʻia no nā hana kahi e noho pū ai ka ʻino a me ka wela. Mālama ʻo ia i ka ikaika ʻokoʻa, ke kū ʻana o ke kolo, a me ka paʻa o ka oxidation mai nā kūlana cryogenic a hiki i 1000 degere (1832 degere F).
Hoʻohana nui ʻia kēia māka i nā lako kai, nā ʻōnaehana hoʻoheheʻe kemika, nā ʻāpana hoʻomalu haumia, nā reactor nuklea, a me nā hui hoʻoheheʻe jet engine -pono e hoʻohana like ʻia ai ka pono o ka hale a me ka hoʻomalu ʻino. Hoʻokumu kona koena Ni-Cr-Mo-Nb i kahi kiʻiʻoniʻoni ʻokikia hoʻōla iā ia iho-a hoʻopaʻa i ka hoʻouka ʻia ʻana i loko o nā kūlana waiwai ʻakika a me ka chloride-.
Hoʻolālā Kimia a me nā ʻano ʻano Metallurgical
| ʻElemu | % Kaulana | Hana |
|---|---|---|
| Nikela (Ni) | ʻOi aku a i ʻole like me 58.0 | Kumu kumu; ʻino a me ka paʻa wela |
| Chromium (Cr) | 20.0–23.0 | Hoʻokumu i ka oxide passive no ka hoʻomalu oxidation |
| Molybdenum (Mo) | 8.0–10.0 | Kū'ē i ka lua a me ka ʻawaʻawa |
| Niobium (Cb + Ta) | 3.15–4.15 | Hoʻoikaika i ka hopena paʻa; pale i ka deformation kolo |
| Hao (Fe) | ʻOi aku a i ʻole like me 5.0 | Hoʻomaikaʻi i nā ʻano hana |
| Kalapona (C) | He emi a like paha me 0.10 | Hoʻomalu i ka hana carbide |
| Mn / Si / S | He emi a like paha me 0.5 / 0.5 / 0.015 | E mālama i ka maʻemaʻe a me ka maikaʻi o ka weld |
ʻO ka hopena hui pū o ka molybdenum a me ka niobium e hoʻopuka i ka ikaika kiʻekiʻe me ka ʻole o ka paʻakikī o ka ua, e ʻae i ka hana maʻalahi a me ka hana paʻa i ka wā lōʻihi-ʻike wela. Mālama kēia microstructure i nā ʻōpala maikaʻi a pale i ka hoʻoheheʻe ʻia ʻana o ka palena o ka palaoa ma hope o ka wili ʻana a i ʻole ka annealing.
Mechanical hilinaʻi ma lalo o ka wela a me ke kaumaha
| Waiwai | Metric (min) | Imperial (min) | wehewehe |
|---|---|---|---|
| Ikaika U'i | 827 MPa | 120 ksi | E mālama pono i ka 870 degere |
| Ka ikaika o ka hua (0.2 %) | 414 MPa | 60 ksi | Kū'ē i ka deformation ma lalo o ka ukana |
| ʻO ka elongation | ʻOi aku ma mua a i ʻole like me 30% | ʻOi aku ma mua a i ʻole like me 30% | ʻO ka hoʻolaha ʻana i ka ductility maikaʻi loa-. |
| ʻoʻoleʻa | ʻOi aku a i ʻole like me 95 HRB | ʻOi aku a i ʻole like me 95 HRB | Hāʻawi i ka machinability a me ka formability |
Ma nā kūlana lawelawe cyclic, hoʻomau ʻo Inconel 625 i ka ikaika luhi a me ke kūpaʻa dimensional me ka nalowale ʻole o ka hoʻokele oxidation.
Ke Kaʻina Hana Hana a me ka Hana Wela
Hana ʻia nā paipu a me nā paipu ma o ka extrusion wela a i ʻole ke kaha kiʻi anuanu a ma hope o ka hopena i hoʻopili ʻia ma 1090–1150 degere (1995–2100 degere F) a ukali ʻia e ke kinai wikiwiki e hoʻihoʻi i ke kūpaʻa ʻino. Hana ʻia nā ʻano welded e ka TIG a i ʻole ka hana plasma ma lalo o ka pale kinoea inert.
ʻO ka hana pololei a me ka nui anuanu e mālama i ka like ʻana o ka pā, ʻoiai ʻo ka pickling a me ka annealing mālamalama e hoʻāla hou i ka kiʻiʻoniʻoni pale Cr₂O₃. Hoʻokō ka hana a me ka nānā ʻanaASTM B444, B705, a me B704nā kūlana.
ʻO ke kūpaʻa ʻino ma waena o Media
ʻO ke kiʻiʻoniʻoni chromium oxide ʻelua o ka huila -nickel{1}}no nā kūlana oxidizing a me ka molybdenum-niobium hoʻoikaika no ka hoʻohaʻahaʻa ʻana i nā kaiapuni-e hāʻawi iā ia i ka paʻa kemika ākea:
- Ka wai kai a me ka chloride:Kū'ē i ka lua, māwae, a me ke koʻikoʻi-ka pohā ʻino.
- Nā ʻakika oxidizing (nitric, chromic):Mālama ʻo Chromium i ka pili ʻana o ka oxide i ka mahana.
- Hoʻemi i nā ʻakika (hydrochloric, phosphoric):Kāohi ʻo Molybdenum i ka hoʻouka kaua kūloko.
- kinoea ʻawaʻawa (H₂S):Paʻa e kūʻē i ka haki ʻana i ke koʻikoʻi sulfide no ka lawelawe ʻaila a me ke kinoea.
- ʻO -maha wela kiʻekiʻe:Kū'ē i ka scaling a me ka poho metala i 1000 degere.
Ka nui a me ka lako huahana
| ʻAno | Mawaho Anawaena | Mānoanoa Pā | Ka lōʻihi | Hōʻike |
|---|---|---|---|---|
| Paipu Seamless | 6–610 mm | 1–50 mm | A hiki i 12 m | ASTM B444 / ASME SB444 |
| Paipu Weled | 25–1200 mm | 1.5–60 mm | A hiki i 12 m | ASTM B705 / ASME SB705 |
| Paipu (Heat Exchange / Mea Hana) | 6–76 mm | 0.8–10 mm | Coil / Pololei | ASTM B704 / ASME SB704 |
Loa'a ka ho'opau ho'omanawanui 'ana no ka mea kani a me ka wela-hui hui e koi ana i ka ho'opa'a pololei a me ka pau 'ana o ka ili.
ʻO ka hoʻāʻo, ka hōʻoia, a me ka hōʻoia ʻana i ka maikaʻi
Hoʻāʻo ʻia nā huahana a pau i kēlā me kēiaASTM B829no ka -ʻinoʻino ʻole a me ka pololei o ke ana.
ʻO nā nānā maʻamau e pili ana i ka hydrostatic a i ʻole ka hoʻokolohua ultrasonic, PMI hōʻoia no ka nickel content, a me ka intergranular corrosion testing (ASTM G28 Method A/C).
Hāʻawi ʻo Octal Pipe i nā mea meEN 10204 3.1 / 3.2 MTC, hiki ke huli piha, a me ke kolu -nā koho nānā 'ao'ao (BV, SGS, TUV).
Hoʻokō ʻoihana a me ke kākoʻo papahana
Hoʻohana ʻo Inconel 625 i nā ʻoihana koʻikoʻi e pili ana i nā paipu ma waho o ke kahakai i loko o ka chloride brines, nā mea hoʻopau aerospace, nā moku hoʻoponopono nuklea, nā mea kanu desalination, a me nā scrubbers control pollution.
Hāʻawi ʻo Octal Pipe i nā hāʻina hoʻolako ʻenehana me ka hōʻoia welding, hoʻonohonoho NDE, a me nā palapala ʻenehana i hana ʻia no ka EPC a me nā papahana ikehu. ʻO ka mana kaʻina hana paʻa e hōʻoia i ka hana mechanical a me ka corrosion i kēlā me kēia pūʻulu wela.
FAQ
Q1: He aha kaʻu e kuhikuhi ai no ka Alloy 625 paipu vs tube?
Q2: Hiki iā UNS N06625 (Alloy 625) ke hoʻohana i ka lawelawe ʻawaʻawa (H2S)?
Q3: He aha kaʻu e noi ai e hōʻoia i ka maikaʻi o Inconel 625 ma mua o ke kūʻai?
Nā palapala hōʻoia
Palapala CE
Palapala ISO 9001
Palapala API Q1
Palapala Palapala ABS
Palapala AP-5L
Palapala API-5CT
