Onye Mmepụta ígwè

Ahụmịhe Mmepụta Afọ 15
Ígwè

Mara ihe gbasara ihe ndị e ji ọla kọpa mee

Brass
Ojiji ọla na ọla kọpa malitere kemgbe ọtụtụ narị afọ, a na-ejikwa ya taa na ụfọdụ teknụzụ na ngwa kachasị ọhụrụ ebe a ka na-eji ya eme ihe karịa ngwa ọdịnala dịka ngwa egwu, ihe mkpuchi ọla, ihe ịchọ mma na ngwa ọkpọkọ na ọnụ ụzọ.

Gịnị ka e ji mee ọla?
Brass bụ ihe e ji ngwakọta ọla kọpa na zinc mee iji mepụta ihe ndị nwere ọtụtụ ojiji injinia. Ihe mejupụtara ọla na-enye ígwè ahụ ebe ịgbaze agbaze nke dabara adaba maka ọtụtụ ojiji, gụnyere nke dabara adaba maka iji usoro brazing. Ebe agbaze agbaze nke ọla kọpa dị ala karịa ọla kọpa na ihe dịka 920 ~ 970 degrees Celsius dabere na ọnụọgụ nke mgbakwunye Zn. Ebe agbaze agbaze nke ọla kọpa dị ala karịa nke ọla kọpa n'ihi Zn agbakwunyere. Ihe mejupụtara ọla kọpa nwere ike ịdị iche na ihe mejupụtara Zn site na obere ihe dị ka 5% (nke a na-akpọkarị Gilding Metals) ruo ihe karịrị 40% dịka e si eji ya na brass igwe. Okwu a na-ejikarị eme ihe bụ ọla kọpa, ebe a na-eji ụfọdụ mgbakwunye nke tin.

Gịnị ka e ji ọla kọpa eme?
Nhazi nke ọla na mgbakwunye nke zinc na ọla kọpa na-eme ka ike dịkwuo elu ma na-enye ọtụtụ njirimara, nke na-eme ka ọla kọpa ahụ bụrụ ụdị ihe dị iche iche. A na-eji ha maka ike ha, iguzogide nchara, ọdịdị na agba, yana ịdị mfe ịrụ ọrụ na ijikọ. Brass alpha nke otu phase, nke nwere ihe ruru 37% Zn, na-arụ ọrụ nke ọma ma dị mfe iji, na-agbakọta ma na-agbaze. Brass alpha-beta nke abụọ na-arụkarị ọrụ ọkụ.

Enwere ihe karịrị otu ihe mejupụtara ọla?
E nwere ọtụtụ brass nwere ihe mejupụtara na njirimara dị iche iche nke e mere maka ojiji kpọmkwem site na ọkwa mgbakwunye zinc. A na-akpọkarị ọkwa dị ala nke mgbakwunye Zn Guilding Metal ma ọ bụ Red Brass. Ọ bụ ezie na ọkwa dị elu nke Zn bụ alloys dị ka Cartridge Brass, Free Machining Brass, Naval Brass. Brass ndị a mechara nwekwara mgbakwunye nke ihe ndị ọzọ. A na-eji mgbakwunye nke lead na brass ruo ọtụtụ afọ iji nyere aka na igwe nke ihe ahụ site na ịkpalite ebe mgbawa chip. Ebe ọ bụ na achọpụtala ihe egwu na ihe egwu nke lead, a na-eji ihe ndị dị ka silicon na bismuth dochie ya n'oge na-adịbeghị anya iji nweta njirimara igwe yiri ya. A maara ndị a ugbu a dị ka brass dị ala ma ọ bụ brass na-enweghị lead.

Enwere ike itinye ihe ndị ọzọ?
Ee, enwere ike itinye obere ihe ndị ọzọ na-agwakọta ihe na ọla kọpa na ọla nchara. Ihe atụ ndị a na-ahụkarị bụ lead maka ikike igwe dịka ekwuru n'elu, kamakwa arsenic maka iguzogide nchara na dezincification, tin maka ike na nchara.

Agba ọla
Ka ọdịnaya zinc na-abawanye, agba ya na-agbanwe. Alloys Zn dị ala nwere ike iyi ọla kọpa n'agba, ebe alloys zinc dị elu na-adị ka ọlaedo ma ọ bụ odo.

MARA IHE NDỊ ỌZỌ GBASARA BRASS1

Ngwakọta Kemịkalụ
AS2738.2 -1984 Nkọwapụta ndị ọzọ dị ihe dị ka otu nhata

Mba UNS AS Mba Aha nkịtị Nọmba BSI ISO No Nọmba JIS Pasentị ọla kọpa Zinc% Pasentị ndu Ndị ọzọ%
C21000 210 95/5 Gilding Metal - CuZn5 C2100 94.0-96.0 ~ 5 <0.03  
C22000 220 90/10 Gilding Metal CZ101 CuZn10 C2200 89.0-91.0 ~ 10 < 0.05  
C23000 230 85/15 Gilding Metal CZ102 CuZn15 C2300 84.0-86.0 ~ 15 < 0.05  
C24000 240 80/20 Gilding Metal CZ103 CuZn20 C2400 78.5-81.5 ~ 20 < 0.05  
C26130 259 Brass Arsenical 70/30 CZ126 CuZn30As ~C4430 69.0-71.0 ~ 30 < 0.07 Arsenic 0.02-0.06
C26000 260 Brass 70/30 CZ106 CuZn30 C2600 68.5-71.5 ~ 30 < 0.05  
C26800 268 Bras odo (65/35) CZ107 CuZn33 C2680 64.0-68.5 ~ 33 < 0.15  
C27000 270 65/35 Waya Brass CZ107 CuZn35 - 63.0-68.5 ~ 35 < 0.10  
C27200 272 63/37 Brass nkịtị CZ108 CuZn37 C2720 62.0-65.0 ~ 37 < 0.07  
C35600 356 Brass a na-akpụ ihe, 2% Nduzi - CuZn39Pb2 C3560 59.0-64.5 ~ 39 2.0-3.0  
C37000 370 Brass a na-akpụ ihe, 1% Nduzi - CuZn39Pb1 ~C3710 59.0-62.0 ~ 39 0.9-1.4  
C38000 380 Nkebi Brass CZ121 CuZn43Pb3 - 55.0-60.0 ~ 43 1.5-3.0 Aluminom 0.10-0.6
C38500 385 Ọla Ịcha N'efu CZ121 CuZn39Pb3 - 56.0-60.0 ~ 39 2.5-4.5  

A na-ejikarị brasị eme ihe maka ọdịdị ha

Mba UNS Aha nkịtị Agba
C11000 ETP Kọpa Pink dị nro
C21000 95/5 Gilding Metal Agba aja aja uhie
C22000 90/10 Gilding Metal Ọlaedo Ọla
C23000 85/15 Gilding Metal Tan Gold
C26000 Brass 70/30 Ọlaedo Akwụkwọ Ndụ

Gilding Metal
C22000, 90/10 Gilding metal, na-ejikọta agba ọlaedo bara ụba yana ngwakọta kachasị mma nke ike, ductility na corrosion resistance nke alloys Cu-Zn nkịtị. Ọ na-agbanwe ruo agba ọla nchara bara ụba. O nwere ikike ịbịaru ihe omimi dị mma, yana iguzogide corrosion na gburugburu ihu igwe siri ike na mmiri. A na-eji ya na fascia ụlọ, ọla, ihe ịchọ mma, aka ọnụ ụzọ, escutcheons, na ngwa mmiri.

Brass edo edo
C26000, 70/30 Brass na C26130, Arsenical brass, nwere ezigbo ductility na ike, ha bụkwa brass ndị a na-ejikarị eme ihe. Arsenical brass nwere obere mgbakwunye nke arsenic, nke na-eme ka iguzogide nchara dịkwuo mma na mmiri, mana ọ bụ otu ihe ahụ n'ụzọ dị irè. Alloys ndị a nwere agba odo na-egbuke egbuke pụrụ iche nke a na-ejikarị ọla eme ihe. Ha nwere ngwakọta kachasị mma nke ike na ductility na alloys Cu-Zn, yana ezigbo iguzogide nchara. A na-eji C26000 eme ihe maka owuwu ụlọ, akpa na ụdị ndị a dọtara na ndị a na-agbagharị, ọdụ eletriki na njikọ, aka ọnụ ụzọ, na ngwaike plọmba. A na-eji C26130 eme ihe maka tube na ihe ndị dị na kọntaktị na mmiri, gụnyere mmiri a na-aṅụ.
C26800, ọla edo edo, bụ otu usoro alfa nke ọla kọpa nwere obere ọdịnaya ọla kọpa. A na-eji ya ebe njirimara omimi ya na ọnụ ahịa dị ala na-enye uru. Mgbe ejiri ihe ndị e ji agbakọta nke usoro beta mee ihe, ọ na-ebelata ike ductility na iguzogide nchara.

Brass nwere ihe ndị ọzọ
C35600 na C37000, ọla e ji akpụ ihe, bụ ọla e ji alpha-beta 60/40 mee, e tinyekwara ọkwa dị iche iche nke lead iji nye njirimara igwe n'efu. A na-ejikarị ha eme ihe maka efere na ihe e ji akpụ ihe, ngwaike ndị na-ewu ụlọ, na gia. Ekwesighi iji ha arụ ọrụ e ji acid kpụọ, nke a ga-eji alpha brass nke otu usoro mee.
C38000, Section brass, bụ brass alpha/beta nke nwere ike ịpụpụ ngwa ngwa yana obere mgbakwunye aluminom, nke na-enye agba ọlaedo na-egbuke egbuke. Lead na-enye njirimara ịkpụ n'efu. C38000 dị ka mkpanaka, ọwa, flat na akụkụ, nke a na-ejikarị eme ihe na ngwaike ndị na-ewu ụlọ.
C38500, nke e ji ọla kọpa bee, bụ ụdị ọla kọpa 60/40 ka mma nke ukwuu, nwere àgwà ịkpụcha n'efu dị mma. A na-eji ya eme ihe n'ịmepụta ihe ndị mejupụtara ọla kọpa ebe a chọrọ mmepụta kachasị elu na ndụ ngwaọrụ kachasị ogologo, na ebe a na-achọghị ịkpụcha oyi ọzọ mgbe ejiri igwe rụọ ọrụ.

Ndepụta Ngwaahịa Brass

● Fọm Ngwaahịa

● Ngwaahịa dị larịị a kpụrụ akpụ

● Mkpara e ji aka rụọ, ogwe osisi na ngalaba e ji aka rụọ

● Ịkpụ ngwaahịa na ihe ndị e ji achọ mma

● Tubọọlụ ndị na-enweghị ntụpọ maka ihe mgbanwe okpomọkụ

● Ọkpọkọ ndị na-enweghị ntụpọ maka ntụ oyi na friji

● Tubọn ndị na-enweghị ntụpọ maka ebumnuche injinia

● Waya maka ebumnuche injinia

● Waya maka ebumnuche eletriki

Jindalai Steel Group na-enye ọtụtụ ngwaahịa ọla nchara n'ogo na ọnụọgụ iji gboo mkpa nke ọrụ ọ bụla. Anyị na-anabatakwa ụkpụrụ, nha, ọdịdị, na agba pụrụ iche. Zipu ajụjụ gị, anyị ga-enwekwa obi ụtọ ịkpọtụrụ gị n'ọrụ aka.

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Oge ozi: Disemba-19-2022