AWS A5.13 ECoCr-E/Stellite 21 Cobalt Hardfacing & Wear-eguzogide Welding Electrode Arc Welding Stick

Nkọwa:

Co 21, mkpanaka na-enweghị isi nke cobalt nke na-eme ka carbon dị ala, alloy austenitic, nwere ihe na-eme ka ọrụ sie ike nke ọma, ike dị elu na mmetụta na-eguzogide.Nkwụnye ego Co 21 kwụsiri ike n'oge ịgba ígwè ọkụ, na-eme ka ha bụrụ ezigbo nhọrọ maka ihe anwụ anwụ na-ekpo ọkụ.a na-eji ya na uzuoku na mmiri na-achịkwa valvụ na oche.Enwere ike itinye ya na nchara niile nwere ike weld, gụnyere igwe anaghị agba nchara.Ọ dabara na: Stelite 21, Polystel 21.

Ngwa:

Steam Valves.Ọkụ na-ekpo ọkụ.Na-akpụ akpụ anwụ.Plugs ịkpọpu.Chemical na Petrochemical Valves.

Nkọwa ngwaahịa:

Ngwakọta kemịkalụ

AKỤRỤ ARỤ AHỤ:

ÀJỤMỤ NDỊ MMADỤ:

Nha Ọkọlọtọ:

Mara na nha pụrụ iche, ma ọ bụ nkwakọ ngwaahịa dị na arịrịọ niile.

NKWUO:

AWS A5.21 / ASME BPVC IIC SFA 5.21 ERCoCr-E

AWS A5.13 ECOCR-A:

Cobalt 6

ECoCr-A electrodes e ji a hypoeutectic Ọdịdị, nke nwere netwọk nke ihe dị ka 13% eutectic chromium carbides kesara na cobalt-chromium-tungsten ngwọta matrix.Ihe si na ya pụta bụ ihe nwere nchikota nke nguzogide n'ozuzu maka obere nrụgide abrasive eyi, na ike siri ike dị mkpa iji guzogide mmetụta ụfọdụ.Cobalt alloys dịkwa mma nke ukwuu maka iguzogide iyi ọla-na-igwe, ọkachasị n'ọnọdụ ibu dị elu nke na-enwekarị ike ịfụ.Ọdịnaya dị elu nke matriks ahụ na-enyekwa ezigbo nguzogide corrosion, oxidation, na njigide okpomọkụ dị elu nke ike siri ike ruo na kacha nke 1200°F (650°C).Alloys ndị a adịghị n'okpuru mgbanwe allotropic ya mere ha anaghị atụfu ihe onwunwe ha ma ọ bụrụ na a na-emezi ígwè ahụ dị ọkụ.

A na-akwado Colbalt #6 maka ikpe ebe uwe na-esonyere ya na oke okpomọkụ yana ebe corrosion metụtara, ma ọ bụ ha abụọ.Ụfọdụ ngwa a na-ahụkarị bụ valvụ ụgbọ ala na mmiri na-asọpụta, ntuziaka ịhịa aka n'ahụ, ntụmadị na-ekpo ọkụ, akwa akwa, na kposara extruder.

AWS A5.13 ECOCR-B:

Cobalt 12

ECoCr-B electrodes na mkpanaka yiri nke a na-etinye na nkwụnye ego ejiri ECoCr-A (Cobalt 6) electrodes na mkpanaka, ewezuga pasentị dị elu karịa (ihe dị ka 16%) nke carbides.Alloy nwekwara a dịtụ elu ike ike na mma abrasive na metal-na-metal eyi na-eguzogide.Mmetụta na nguzogide corrosion na-agbada ntakịrị.Enwere ike iji ngwaọrụ carbide tinye ego nkwụnye ego.

A na-eji electrodes ECoCr-B (Cobalt 12) eme ihe n'otu n'otu na ECoCr-A (Cobalt 6).Nhọrọ ga-adabere na ngwa a kapịrị ọnụ.

AWS A5.13 ECOCR-C:

Cobalt 1

ECoCr-C nwere pasentị dị elu (ihe dị ka 19%) nke carbides karịa nkwụnye ego emere site na iji ECoCr-A (Cobalt 6) ma ọ bụ ECoCr-B (Cobalt 12).N'ezie, ihe mejupụtara ya bụ na a na-ahụ carbide hypereutectic bụ isi na microstructure.Njirimara a na-enye alloy nkwụsi ike dị elu na-esonyere mbelata mmetụta na nguzogide corrosion.Isi ike dị elu pụtakwara na enwere ike ibelata ọchịchọ dị ukwuu site n'ịleba anya na ikpo ọkụ ọkụ, interpass okpomọkụ na usoro ikpo ọkụ.

Ọ bụ ezie na nkwụnye ego cobalt-chromium na-adị nro na okpomọkụ dị elu, a na-ewerekarị ha dị ka ndị na-adịghị ewe iwe ọkụ.A na-eji electrodes ECoCr-C wulite ihe dị ka igwekota, rotors ma ọ bụ ebe ọ bụla abrasion siri ike na mmetụta dị ala na-ezute.

AWS A5.13 ECOCR-E:

Cobalt 21

ECoCr-E electrodes nwere ezigbo ike na ductility na okpomọkụ ruo 1600°F (871°C).Nkwụnye ego na-eguzogide ujo, oxidizing, na ibelata ikuku.Ahụrụ ngwa ngwa nke ụdị alloys ndị a n'ime akụrụngwa jet dị ka agụba turbine na vanes.

Nkwụnye ego ahụ bụ ihe ngwọta siri ike gbatịa alloy nwere obere carbide pasentị dị arọ na microstructure.N'ihi ya, alloy ahụ siri ike ma na-arụ ọrụ siri ike.Nkwụnye ego nwere ọmarịcha nguzogide galling nke onwe ya ma na-eguzogidekwa oke mbuze cavitation.

A na-eji electrodes ECoCr-E ebe iguzogide ujo dị mkpa.Ngwa a na-ahụkarị;yiri nke nkwụnye ego mere site na iji ECoCr-A (Cobalt 6) electrodes;akwụkwọ ntuziaka, ọkụ extrusion na forging anwụ, ọkụ shiee agụba, tong ibe n'ibe, valvụ mkpụbelata.