Ahịhịa ọla kọpa
Nmkpọ Okwu mmalite
Brass bụ alloy ọla kọpa na zinc, nke a na-akpọkarị dị ka ọla na-acha odo odo n'ihi ụcha ọla edo ya na-acha odo odo. Zinc ke bres na-eme ka ihe na-eme ihe ike na-eguzogidekwaa amife, ebe ihe a nwekwaramma ike ọdụdọ. Ihe eji eme ọlaMetal nwere ezigbo elu elu, mpempe akwụkwọ dị larịị na agbanwe. A na-ejikarị ahịhịa na-eme ihe eji achọ mma n'ihi ọdịdị ọla edo ya, dị ka ihe nchebe ma ọ bụ na-eme ka ihe na-echebe ya n'ihi mmetụta ya na mmetụta ya siri ike na mmetụta yagasket mgwoorun'ihi na ike ya na-eguzogide. A na-ejikarị ọla dị ka igwe eletriki eletriki n'ihi yaelektroNkwado Njirimara. N'ihi Spricalndoko nke akpọrepubras Fool, enwere ike ịchịkwa steeti dị nro ma sie ike site na usoro na-egbu egbu, na-eme ka ọ dị mma maka ọtụtụ Ngwa.Metal Metal nwekwara ike imepụta fooils N'ọnọdụ dị iche iche na obosara dị ka chọrọ chọrọ, si otú a belata ọnụahịa na imezi arụmọrụ nhazi.
Njirimara anụ ahụ
Keuju:8.5G / cm3
Ọgwụ eletriki (20 Celsius C): 27% iacs
Igwe ikuku (20 Celsius C): 120W / (m ° C)
Na-agbanwe agbanwe: 105000n / mm2
Urmal na-agbasawanye (20-300 Celsius C) 20 x 10 -6 ° C -1
Nkọwapụta (mm)
Okpurukpu | Mgbasa | Obioku | OkpurukpuNdidi
| Mgbasa Ndidi |
0.01 ~ 0.15 | 4~200 | O,1 / 4h,1 / 2h,H | ± 0.003 | Obosara na-anabata0.1ihe omimi |
Ngwongwo nke mebere
Obioku | Jis Obioku | Tensile Ike RM / N / Mm2 | Elongation Ay5 /% | HV siri ike |
M | O | 350 ~ 410 | ≥ 25 | 80 ~ 120 |
Y4 | 1 / 4h | 375 ~ 445 | ≥ 15 | 105 ~ 145 |
Y2 | 1 / 2h | 385 ~ 460 | 12 | 120 ~ 165 |
Y | H | 450 ~ 510 | ≥ 5 | 135 ~ 185 |
IHE: Anyị nwere ike inye ngwaahịa nwere ihe ndị ọzọ dịka ihe ndị ahịa chọrọ.
Ewu (nke ohuru)
Mba niile | Standard No. | Aha Aha |
Chaina | GB / T2059--2000 | Asọmpi mba China |
Japan | Jis H3100: 2000 | Mpempe ọla kọpa na ọla kọpa, efere na ibe |
USA | ASTM B36 / B 36M -01 | Nkọwapụta ọkọlọtọ maka ọla, efere, mpempe akwụkwọ, mpempe akwụkwọ |
Kweisi | Din-en 1652: 1997 | Mpempe ọla kọpa na ọla kọpa, mpempe akwụkwọ, warara na okirikiri maka ebumnuche izugbe |
| DN-en 1758: 1997 | Ọla kọpa na ọla kọpa na-adọta maka ndu |
Mikpu | Semi G4-0302 | Nkwupụta maka ihe ndị na-eme ka ihe ndị na-eme ka ihe ndị na-eme ihe na-eme ihe na mmepụta nke stamp |