Leqephe la Brass

Tlhaloso e Khutšoanyane:

Leqephe la Brass le thehiloeng holim'a koporo ea electrolytic, zinki le trace elements e le thepa ea eona e tala, ka ho sebetsa ka ingot, ho chesa ho chesa, ho bata ho batang, ho phekola mocheso, ho hloekisa holim'a metsi, ho itšeha, ho qeta, ebe ho paka.Ts'ebetso ea ts'ebetso ea lisebelisoa, polasetiki, thepa ea mochini, ho hanyetsa kutu, ts'ebetso le thini e ntle.

Re romelle lengolo-tsoibila Kopa Mohlala

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Kenyelletso ea Sehlahisoa

Mekhahlelo ea mantlha ea tekheniki

2-1 Sebopeho sa Lik'hemik'hale

Lebitso	Alloy No.	Sebopeho sa Lik'hemik'hale (%, Max.)
Lebitso	Alloy No.	Cu	Fe	Pb	Al	Mn	Sn	Ni	Zn	Ho se hloeke
Koporo	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 Tafole

Lebitso	China	ISO	ASTM	JIS
Koporo	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 Likarolo

2-3-1Sehlopha sa lintlha: mm

Lebitso	Nomoro ea motsoako.(Chaena)	Khalefo	Boholo(mm)
			Botenya	Bophara	Bolelele
Koporo	H59 H62 H63 H65 H68 H70	R	4 - 8	600 ~ 1000	≤3000
	H62 H65 H68 H70 H90 H96	Y Y2 MT	0.2 ho isa ho 0.49	600	1000 ~ 2000
			0.5–3.0	600 ~ 1000	1000 ~ 3000

Temper Mark:O.Bonolo;1/4H.1/4 E thata;1/2H.1/2 E thata;H.Ho thata; EH.Ultrahard;R.Hot Rolled.

2-3-2 Sehlopha sa Mamello: limilimithara

Botenya	Bophara
	Botenya Lumella Phapang ±			Bophara Lumella Phapang ±
	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 Ts'ebetso ea Mechini

Khalefo		Matla a tšepe N/mm2	Elongation ≥%	Ho thatafala 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		---	---	---