Product Standards for Phosphor Bronze Materials

（1）Chemical Composition（Meets RoHS）

Type No.	Alloy No.	Symbol	Chemical Composition						Features & Application
		Plate Ribbon	Cu＋Sn＋P	Fe	Pb	Zn	Sn	P
PB	C5102	C5102P C5102R	99.5＞	—	—	—	4.5~ 5.5	0. 03~ 0.35	Features: Good elongation, endurance, and corrosion-resistance. Application: Electronics, Springs, switches, lead frames, connectors, diaphragms, bellows, fuse clips, and so on used in electronic machine.
	C5191	C5191P C5191R	99.5＞	—	—	—	5.5~ 7.0	0.03~ 0.35
	C5212	C5212P C5212R	99.5＞	—	—	—	7.0~ 9.0	0.03~ 0.35
PBS	C5210	C5210P C5210R	99.7＞	0.10＜	0.05＜	0.20＜	7.0~ 9.0	0.03~ 0.35	Features: Good elongation, endurance, and corrosion-resistance. Application: Switches, relays, and connectors used in machines of electronics, communication information, and measurement.

（2）Mechanical Properties

Alloy No.	Quality Grade	Symbol	Mechanical Properties
		Plate Ribbon	Tensile Strength (Kgf/mm^2)	Elongation	Hardness Test
					JIS Standards	Minchali
C5102	1/2H	C5102P-1/2H C5102R-1/2H	48~58	15＞	130~190	140~160
	3/4H	C5102P-3/4H C5102R-3/4H	—	—	—	160~180
	H	C5102P-H C5102R-H	58~68	7＞	170~220	180~200
	EH	C5102P-EH C5102R-EH	63＞	4＞	190＞	200~220
	SH	C5102P-SH C5102R-SH	—	—	—	220~240
C5191	1/2H	C5191P-1/2H C5191R-1/2H	50~62	20＞	150~205	150~170
	3/4H	C5191P-3/4H C5191R-3/4H	—	—	—	160~180
	H	C5191P-H C5191R-H	60~70	8＞	180~230	180~200
	EH	C5191P-EH C5191R-EH	65＞	5＞	200＞	200~220
	SH	C5191P-SH C5191R-SH	—	—	—	220~240
C5212	1/2H	C5212P-1/2H C5212R-1/2H	50~62	30＞	150~205	150~170
	3/4H	C5212P-3/4H C5212R-3/4H	—	—	—	170~190
	H	C5212P-H C5212R-H	60~72	12＞	180~235	190~210
	EH	C5212P-EH C5212R-EH	70＞	5＞	210＞	210~230
	SH	C5212P-SH C5212R-SH	—	—	—	230~250
C5210	1/2H	C5210P-1/2H C5210R-1/2H	48~62	27＞	140~205	150~170
	3/4H	C5210P-3/4H C5210R-3/4H	—	—	—	170~190
	H	C5210P-H C5210R-H	60~72	20＞	185~235	190~210
	EH	C5210P-EH C5210R-EH	70~80	11＞	210~260	210~230
	SH	C5210P-SH C5210R-SH	75~81	9＞	230~270	230~250