Mpempe ọla

Nkọwa dị mkpirikpi:

Mpempe akwụkwọ brass dabere na ọla kọpa electrolytic, zinc na ihe ndị na-achọpụta ihe dị ka akụrụngwa ya, site na nhazi site na ingot, ntụgharị ọkụ, ntụgharị oyi, ọgwụgwọ okpomọkụ, nhicha elu, ịcha, imecha, wee bukọta. Arụmọrụ usoro ihe onwunwe, plasticity, n'ibu Njirimara, corrosion iguzogide, arụmọrụ na ezi tin.

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Isi Nka na ụzụ Parameters

2-1 Ngwakọta kemịkalụ

Aha	Alloy No.	Ngwakọta kemịkalụ (%, Oke.)
Aha	Alloy No.	Cu	Fe	Pb	Al	Mn	Sn	Ni	Zn	adịghị ọcha
Bras	H96	95.0-97.0	0.10	0.03	---	---	---	0.5	Rem	0.3
	H90	88.0-91.0	0.10	0.03	---	---	---	0.5	Rem	0.3
	H85	84.0-86.0	0.10	0.03	---	---	---	0.5	Rem	0.3
	H70	68.5-71.5	0.10	0.03	---	---	---	0.5	Rem	0.3
	H68	67.0-70.0	0.10	0.03	---	---	---	0.5	Rem	0.3
	H65	63.5-68.0	0.10	0.03	---	---	---	0.5	Rem	0.3
	H63	62.0-65.0	0.15	0.08	---	---	---	0.5	Rem	0.5
	H62	60.5-63.5	0.15	0.08	---	---	---	0.5	Rem	0.5

2-2 Alloy Table

Aha	China	ISO	ASTM	JIS
Bras	H96	CuZn5	C21000	C2100
	H90	CuZn10	C22000	C2200
	H85	CuZn15	C23000	C2300
	H70	CuZn30	C26000	C2600
	H68	---	---	---
	H65	CuZn35	C27000	C2700
	H63	CuZn37	C27200	C2720
	H62	CuZn40	C28000	C2800

2-3 atụmatụ

2-3-1Ngalaba nkọwapụta:mm

Aha	Alloy No.(China)	Iwe	Nha(mm)
			Ọkpụrụkpụ	Obosara	Ogologo
Bras	H59 H62 H63 H65 H68 H70	R	4–8	600 ~ 1000	≤3000
	H62 H65 H68 H70 H90 H96	Y Y2 MT	0.2 ~ 0.49	600	1000-2000
			0.5-3.0	600 ~ 1000	1000 ~ 3000

Iwe Mark:O. Nrọ; 1/4H. 1/4 ike; 1/2H. 1/2 ike; H. Ike; EH. Ultrahard; R. Na-ekpo ọkụ Rolled.

2-3-2 Nkeji ndidi: mm

Ọkpụrụkpụ	Obosara
	Ọkpụrụkpụ Kwe Ka Ngbanwe ±			Obosara kwe ka ngbanwe ±
	400	600	1000	400	600	1000
0.5-0.8	0,035	0,050	0.080	0.3	0.3	1.5
0.8-1.2	0,040	0.060	0.090	0.3	0.5	1.5
1.2-2.0	0,050	0.080	0.100	0.3	0.5	2.5
2.0-3.2	0.060	0.100	0.120	0.5	0.5	2.5

2-3-3 arụrụ arụrụ arụ

Iwe		Ike ọdụdọ N/mm2	Ogologo oge ≥%	Isi ike HV
M	(O)	≥290	35	---
Y4	(1/4H)	325-410	30	75-125
Y2	(1/2H)	340-470	20	85-145
Y	(H)	390-630	10	105-175
T	(EH)	≥490	2.5	≥145
R		---	---	---