wehewehe:
ʻO Co 21, koʻokoʻo koʻikoʻi i hoʻokumu ʻia i ka cobalt i hana i kahi kalapona haʻahaʻa, austenitic alloy, me nā waiwai paʻakikī hana maikaʻi loa, ka ikaika wela kiʻekiʻe a me ka pale ʻana i ka hopena.Paʻa ka Co 21deposits i ka wā o ke kaʻa uila, e lilo lākou i koho maikaʻi no nā mea wela wela.Hoʻohana ʻia ia ma nā kino a me nā noho hoʻokele hoʻokele wai.Hiki ke hoʻohana ʻia i nā kila weldable a pau, me nā kila kila.Ua like ia me: Stellite 21, Polystel 21.
NĀ PALAPALA:
Nā Pahu Mokumahu.Na Shears Wela.Make Forging.Hoʻopaʻa ʻia.ʻO nā pāpaʻi kimika a me nā petrokimia.
NUI HUA :
haku mele ʻana
| Papa | ʻO ka haku melemele(%) | ||||||||
| Co | Cr | W | Ni | C | Mn | Si | Mo | Fe | |
| Ko 21 | ʻO Bal | 27.3 | ≤0.5 | 2 | 0.25 | ≤0.5 | 1.5 | 5.5 | 1.5 |
NA WAIWAI KINO:
| Papa | ʻO ka mānoanoa | Lae hehee |
| Ko 21 | 8.33g/cm3 | 1295~1435°C |
ANOAI ANOAI:
| ʻoʻoleʻa | Kūʻē abrasion | Nā Papa Waihona | Pale ʻino | ʻO Machilityineab |
| HRC 27~40 | Maikaʻi loa | lehulehu | Maikaʻi loa | Mea Paahana Carbide |
NUI MAU:
| Anawaena | Anawaena | Anawaena |
| 1/8” (3.2mm) | 5/32” (4.0mm) | 3/16” (4.8mm) |
E hoʻomaopopo i ka loaʻa ʻana o nā nui kūikawā, a i ʻole nā koi packing ma nā noi āpau.
NĀ KULA:
AWS A5.21 /ASME BPVC IIC SFA 5.21 ERCoCr-E
AWS A5.13 ECOCR-A:
Kobalta 6
Hōʻike ʻia nā electrodes ECoCr-A e kahi ʻano hypoeutectic, i loaʻa i kahi pūnaewele o kahi 13% eutectic chromium carbide i hoʻohele ʻia i loko o ka cobalt-chromium-tungsten solid solution matrix.ʻO ka hopena he mea me ka hui pū ʻana o ke kūpaʻa holoʻokoʻa i ke kapa haʻahaʻa haʻahaʻa haʻahaʻa, me ka paʻakikī pono e pale aku i kekahi ʻano o ka hopena.He mea maikaʻi nō hoʻi nā ʻala Cobalt no ke kūʻē ʻana i ka ʻaʻahu metala-a-metala, ʻoi loa i nā kūlana haʻahaʻa kiʻekiʻe i hiki ke ʻeha.ʻO ka maʻiʻo kiʻekiʻe-alloy o ka matrix e hāʻawi maikaʻi loa i ke kūpaʻa maikaʻi i ka corrosion, oxidation, a me ka mālama ʻana i ka wela kiʻekiʻe o ka paʻakikī wela a hiki i kahi kiʻekiʻe o 1200°F (650°C).ʻAʻole pili kēia mau ʻāpana i ka hoʻololi allotropic a no laila ʻaʻole e nalowale ko lākou mau waiwai inā mālama ʻia ka metala kumu i ka wela.
Manaʻo ʻia ʻo Colbalt #6 no nā hihia kahi i hui pū ʻia ai ka ʻaʻahu me nā mahana kiʻekiʻe a me kahi e komo ai ka corrosion, a i ʻole nā mea ʻelua.ʻO kekahi mau hana maʻamau, ʻo ia nā pahu kaʻa kaʻa a me ka wai kahe, nā alakaʻi ʻike kaulahao, nā kuʻi wela, nā ʻili ʻili, a me nā wili extruder.
AWS A5.13 ECOCR-B:
Kobalta 12
Ua like nā electrodes a me nā lāʻau ECoCr-B me nā waihona i hana ʻia me ka hoʻohana ʻana i nā electrodes a me nā lāʻau ECoCr-A (Cobalt 6), koe wale nō ka pākēneka kiʻekiʻe (ma kahi o 16%) o ka carbide.ʻOi aku ka ʻoi aku o ka paʻakikī a ʻoi aku ka maikaʻi o ka abrasive a me ka metala-i-metala.Hoʻohaʻahaʻa iki ʻia ka hopena a me ka pale ʻana i ka corrosion.Hiki ke hana ʻia nā waihona me nā mea hana carbide.
Hoʻohana like ʻia nā electrodes ECoCr-B (Cobalt 12) me nā electrodes ECoCr-A (Cobalt 6).E pili ana ke koho i ka noi kiko'ī.
AWS A5.13 ECOCR-C:
Kobalta 1
Loaʻa i ka ECoCr-C ka pākēneka kiʻekiʻe (ma kahi o 19%) o ka carbide ma mua o nā waihona i hoʻohana ʻia me ECoCr-A (Cobalt 6) a i ʻole ECoCr-B (Cobalt 12).ʻO ka ʻoiaʻiʻo, ʻo ka haku mele, ʻo ia ka mea i loaʻa nā carbide hypereutectic mua i ka microstructure.Hāʻawi kēia hiʻohiʻona i ka alloy kiʻekiʻe aʻe ke pale ʻana i ka ʻaʻahu i hui pū ʻia me ka hoʻemi ʻana i ka hopena a me ke kūpaʻa corrosion.ʻO ka ʻoi aku ka paʻakikī, ʻo ia hoʻi, hiki ke hōʻemi ʻia ka manaʻo nui ma o ka nānā pono ʻana i ka preheating, interpass temperature, a me nā ʻenehana postheating.
ʻOiai e palupalu nā waihona cobalt-chromium i nā mahana kiʻekiʻe, ʻike ʻia lākou he pale ʻole i ka hoʻomāhuahua ʻana.Hoʻohana ʻia nā electrodes ECoCr-C no ke kūkulu ʻana i nā mea e like me nā mixers, rotors a i ʻole nā wahi abrasion a me nā hopena haʻahaʻa.
AWS A5.13 ECOCR-E:
Kobalta 21
Loaʻa i nā electrodes ECoCr-E ka ikaika a me ka ductility i nā mahana a hiki i 1600 ° F (871 ° C).Kūleʻa nā waihona i ka haʻalulu wela, oxidizing, a me ka hoʻohaʻahaʻa i ka lewa.Loaʻa ka hoʻohana mua ʻana o kēia mau ʻano huila i nā mea ʻenekini jet e like me nā lau turbine a me nā vanes.
ʻO ka waihona he hoʻonā paʻa i hoʻopololei ʻia me ka haʻahaʻa haʻahaʻa haʻahaʻa-pakeneka carbide māhele i loko o ka microstructure.No laila, ʻoi aku ka paʻakikī o ka alloy a e hana paʻakikī.Loaʻa i nā waihona ke kūpaʻa kūʻokoʻa kūʻokoʻa kūʻokoʻa maikaʻi loa a kūpaʻa loa hoʻi i ka cavitation erosion.
Hoʻohana ʻia nā electrodes ECoCr-E kahi mea nui o ke kū'ē ʻana i ka haʻalulu wela.Nā noi maʻamau;e like me nā waihona i hoʻohana ʻia me nā electrodes ECoCr-A (Cobalt 6);nā ʻōwili alakaʻi, nā mea hoʻokuʻu wela a me ka hoʻopaʻa ʻana i nā mea make, nā ʻili ʻili wela, nā ʻāpana ʻeke, nā ʻoki kiwi.