Nickel Silver & Phosphor Bronze

Chemical Component Standard Table

Type of Product	No. of Alloy	Cu	Pb	Fe	Zn	P	Sn	Cu + Sn + P	Mn	Ni
Nickel Silver No. 1 (Elasticity)	KS C7701	54.0 ~ 58.0	0.10↓	0.25↓	Remainder				0 ~ 0.50	16.5 ~ 19.5
Nickel Silver No. 2	KS C7521	62.0 ~ 66.0	0.10↓	0.25↓	Remainder				0 ~ 0.50	16.5 ~ 19.5
Nickel Silver No. 3	KS C7541	60.0 ~ 64.0	0.10↓	0.25↓	Remainder				0 ~ 0.50	12.5 ~ 15.5
Nickel Silver No. 4	ASTM C7610	59.0 ~ 65.0	0.030↓	0.15↓	Remainder				0 ~ 0.50	9.5 ~ 10.5
Nickel Silver No. 5	KS C7451	63.0 ~ 67.0	0.10↓	0.25↓	Remainder				0 ~ 0.50	9.0 ~ 11.0
Nickel Silver No. 6	ASTM C7670	55.0 ~ 58.0	0.030↓	0.15↓	Remainder				0 ~ 0.50	14.5 ~ 15.5
Special No. 22	NSW 22	53.0 ~ 56.0	0.030↓	0.15↓	Remainder				0 ~ 0.50	20.0 ~ 24.0
Ni-12%	Coin C7620	59.0 ~ 65.0	0.020↓	0.10↓	Remainder
Ni-6.8%	Coin SM6	67.0 ~ 69.0	0.020↓	0.10↓	Remainder
Nickel Silver Wire No.21	Ni-18% NSW21	52.0 ~ 58.0	0.050↓	0.15↓	Remainder
Nickel Silver Plate No. 21	Ni-22% NSP21	48.0 ~ 54.0	0.050↓	0.15↓	Remainder
S N P	SNP, R	63.0 ~ 66.0	0.4 ~ 0.5	0.10↓	23.0 ~ 24.0
Phosphor Bronze No. 1	KS C5102	Remainder				4.5 ~ 5.5
Phosphor Bronze No. 2	KS C5191	Remainder				0.03 ~ 0.35

Company Standard Table of Mechanical Properties

Type of Product	Symbol of Alloy	Tensile Strength (㎏f/m㎡)			Elongation Rate (E/L)			Vickers Hardness (Hv)
		O	1/2H	H	O	1/2H	H	O	1/2H	H
Nickel Silver No. 1	C7701B		43 ~ 68	63 ~ 77					150↑	160↑
	C7701W	45 ~ 65	65 ~ 80	78↑
	C7701P.R	42 ~ 56	55 ~ 67	64 ~ 75	20↑	8↑	4↑	90 ~ 145	150 ~ 210	180 ~ 240
Nickel Silver No. 2	C7521B		50 ~ 65	60 ~ 70					145↑	145↑
	C7521W	41 ~ 50	60 ~ 70	68↑	20↑
	C7521P.R	39 ~ 46	45 ~ 58	55↑	20↑	5↑	3↑	90 ~ 135	145 ~ 180	160↑
Nickel Silver No. 3	C7541B		45 ~ 60	58 ~ 72					135↑	150↑
	C7541W	40 ~ 48	59 ~ 68	65↑
	C7541P.R	39 ~ 46	42 ~ 55	50↑	20↑	5↑	3↑	90 ~ 125	140 ~ 170	135↑
Nickel Silver No. 4	C7610W	35 ~ 50			20↑
Nickel Silver No. 5	C7451P.R	33 ~ 45	40 ~ 52		20↑	5↑		90 ~ 125	105 ~ 155
Nickel Silver No. 6	C7670P.R	35 ~ 50	47 ~ 58	50↑	20↑	5↑	3↑	90 ~ 130	160 ~ 190	180 ~ 240
Special No. 22	NSW 22	52 ~ 65	72 ~ 85	76↑
	NSP.R 22	40 ~ 60	58 ~ 75	70↑	20↑	5↑	3↑	90 ~ 150	150 ~ 210	180↑
Ni-12%	C7620P.R		37 ~ 52			5↑			110 ~ 140
Ni-6.8%	S M 6		37 ~ 52			5↑			110 ~ 125
NSW.P21	NSW21	52 ~ 70	75 ~ 85	80↑
			85
	NSP21	45 ~ 65	60 ~ 80	70↑	20↑	5↑	3↑	90 ~ 150	160 ~ 220	190↑
Free-Cutting Sheet ,Coil	SNP,R	36↑		38↑				92 ~ 135	150 ~ 180	165 ~ 185
Phosphor Bronze No. 1	C5102B		50↑	55↑		13↑				150↑
	C5102W	31 ~ 43	60 ~ 75	65↑
Phosphor Bronze No. 2	C5191B		52↑	65↑		13↑	10↑		150↑	180↑
	C5191W	32 ~ 47	65 ~ 80	85↑

Range of Production

Type of Product	Symbol of Alloy	Diameter (mm)	Thickness (mm)	Width (mm)	Length (mm)	Tensile Force (㎏f/m㎡)	Elongation Rate (E/L)	Vickers Hardness (Hv)
Nickel Silver No. 1	C7701B	1.3 ~ 6.0			1,000 ~ 2,000	45 ~ 60		130 ~ 220
	C7701W	0.7 ~ 6.0				45 ~ 80		105 ~ 210
	C7701P.R		0.1 ~ 3.0	12 ~ 380	1,200-Coil	44 ~ 80	4 ~ 30	105 ~ 230
Nickel Silver No. 2	C7521B	1.3 ~ 6.0			1,000 ~ 2,000	43 ~ 68		130 ~ 195
	C7521W	0.7 ~ 6.0				38 ~ 72		100 ~ 195
	C7521P.R		0.1 ~ 4.0	12 ~ 380	1,200-Coil	38 ~ 62	3 ~ 40	100 ~ 200
Nickel Silver No. 3	C7541B	1.3 ~ 6.0			1,000 ~ 2,000	40 ~ 72		135 ~ 190
	C7541W	0.7 ~ 6.0				38 ~ 70		100 ~ 190
	C7541P.R		0.1 ~ 4.0	12 ~380	1,200-Coil	37 ~ 60	3 ~ 40	100 ~ 195
Nickel Silver No. 4	C7610W	0.7 ~ 15.7				37 ~ 55		100 ~ 130
Nickel Silver No. 5	C7451P.R		0.1 ~ 4.0	12 ~ 380	1,200-Coil	35 ~ 52	3 ~ 40	98 ~ 180
Nickel Silver No. 6	C7670P.R		0.1 ~ 4.0	12 ~ 380	1,200-Coil	37 ~ 62	3 ~ 40	98 ~ 210
Special No. 22	NSW 22	0.7 ~ 6.0				52 ~ 87		110 ~ 230
	NSP.R22		0.1 ~ 4.0	12 ~ 380	1,200-Coil	40 ~ 80	3 ~ 35	110 ~ 230
Ni-12%	C7620P.R		0.1 ~ 4.0	12 ~ 380	1,200-Coil	37 ~ 60	5 ~ 35	100 ~ 180
Ni-6.8%	S M 6		0.1 ~ 4.0	12 ~ 380	1,200-Coil	37 ~ 60	5 ~ 35	95 ~ 175
NSW, P21	NSW21	0.7 ~ 6.0				52 ~ 85		110 ~ 235
	NSP21		0.1 ~ 4.0	12 ~ 380	1,200-Coil	45 ~ 85	3 ~ 35	110 ~ 230
Free-cutting Sheet, Coil	SNP,R		1.6 ~ 3.0	12 ~ 380	1,200 - Coil	44 ~ 55	3 ~ 20	110 ~ 190
Phosphor Brass No. 1	C5102B	1.3 ~ 6.0			1,000 ~ 2,000	51 ~ 60	10 ~ 20	135 ~ 210
	C5102W	0.7 ~ 6.0				31 ~ 65		95 ~ 200
Phosphor Brass No. 2	C5191B	1.3 ~ 6.0		12 ~ 380	1,000 ~ 2,000	51 ~ 60	3 ~ 20	100 ~ 230
	C5191W	0.6 ~ 6.0				31 ~ 75		100 ~ 230

Lead Nickel-Silver

Standard Name	Chemical Composition(%)						Specification
	Cu	Ni	Zn	Pb	Mn	Fe
C7941	60 ~ 64	16.5 ~ 19.5	Rem	0.8 ~ 1.8	0 ~ 0.5	Max. 0.25	KS D5102 JIS H3270 ASTM B206 151 ISO 429-430
C79200	59 ~ 66.5	11 ~ 13	Rem	0.8 ~ 1.4	Max. 0.5	Max. 0.25
C78200	63 ~ 67	7 ~ 9	Rem	1.5 ~ 2.5	Max. 0.5	Max. 0.35

Chemical Composition/Copper and Copper-Alloy Rod & Bar

Classification	Class	Chemical Composition(%)
		Cu	Zn	Pb	Fe	P	Sn	Mn	Al
Tough Pitch	1	Min.99.9
Phosphorus-Deoxidized	1A	Min.99.9				0.004 ~ 0.015
	1B	Min.99.9				0.015 ~ 0.040
Brass	1	68.5 ~ 71.5	Remainder	Max. 0.05	Max. 0.05
	2	63.0 ~ 67.0	Remainder	Max. 0.05	Max. 0.05
	3	59.0 ~ 62.0	Remainder	Max. 0.10	Max. 0.07
Free-Cutting Brass	Common Grade 1	59.0 ~ 63.0	Remainder	1.8 ~ 3.7	Max. 0.5		Max. Sn + Fe 1.2
	Special Grade 1	59.0 ~ 63.0	Remainder	1.8 ~ 3.7	Max. 0.3		Max. Sn + Fe 0.5
	Common Grade 2	57.0 ~ 61.0	Remainder	1.8 ~ 3.7	Max. 0.5		Max. Sn + Fe 1.2
	Special Grade 2	57.0 ~ 61.0	Remainder	1.8 ~ 3.7	Max. 0.35		Max. Sn + Fe 0.6
	Extra Free Cutting	56.0 ~ 60.0	Remainder	3.5 ~ 4.5	Max. 0.50		Max. Sn + Fe 1.2
Forging Brass	1	58.0 ~ 62.0	Remainder	0.25 ~ 1.2			Max. Sn + Fe 0.8
	2	57.0 ~ 61.0	Remainder	1.0 ~ 2.5			Max. Sn + Fe 1.0
Naval Brass	1	61.0 ~ 64.0	Remainder	Max. 0.3	Max. 0.20		0.7 ~ 1.5
	2	59.0 ~ 62.0	Remainder	Max. 0.5	Max. 0.30		0.5 ~ 1.0
Brass for Welding	2	56.0 ~ 60.5	Remainder	Max. 0.50	0.10 ~ 1.0			0.50 ~2.5	0.20 ~2.0
	3	55.0 ~ 59.0	Remainder	Max. 0.50	0.20 ~ 1.5			1.0 ~ 3.0	0.20 ~ 2.0

Classification	Class	Specification
		KS	JIS	ASTM	BS	DIN
Tough Pitch	1	D5101	H3250	B187	2874 C101 C102	1787 ECu58 ECu57
		C1100	C1100	C11000
Phosphorus-Deoxidized	1A	D5101	H3250	B152 C12000	2874	1787 SW- Cu
		C1201	C1201		C106
	1B	C1220	C1220	C12200	C106	SF - Cu
Brass	1	D5101	H3250	B36 C26000	2874 CZ106	17660 CuZn30
		C2600	C2600		CZ109	CuZn40
		C2700	C2700
		C2800	C2801
	2
	3
Free-Cutting Brass	Common Grade 1	D5101	H3250	B16	2874 CZ124	17660 CuZn36 Pb1.5
		C3602	C3602	C36000
		C3601	C3601	C36000	CZ124	CuZn36 Pb1.5
	Special Grade 1			C36000
	Common Grade 2	D5101	H3250	B16	2874 CZ121	17660 CuZn39 Pb2
		C3604	C3604		CZ121	17660 CuZn39 Pb2
		C3603	C3603
	Special Grade 2			C36000
	Extra Free Cutting	C3605	C3605	C36000	CZ121	CuZn37 Pb2
Forging Brass	1	D5101	H3250	B124	2874	17660
		C3712	C3712		CZ123	CuZn39 Pb0.5
		C3771	C3771			CuZn40 Pb2
	2			C37700	CZ122
Naval Brass	1	D5101	H3250	B21	2874	17660
		C4622	C4622	C46200	CZ122	CuZn39Sn
	2	C4641	C4641	C46400		CuZn39Sn
Brass for Welding	2	D5101	H3250		2874
		C6782	C6782		CZ114
	3	C6783	C6783		CZ114

Mechanical Characteristics/Copper and Copper-Alloy Rod & Bar

Classification	Class	Specification		Hardness	Tension Test			Hardness Test
		New	Old		Thickness(mm)	Tension Strength	Elongation(%)	Bickers Hv
						kgf/mm2
Tough-Pitch Copper	1	C1100B E	TCuBE1	F	Min. 6	Min. 20	Min. 25
		C1100B D	TCuBD1	O	6 ~ 75	Min. 20	Min. 30
					6 ~ 20	Min. 25	Min. 15
				1/2H	25 ~ 50	Min. 23	Min. 20
					50 ~ 75	Min. 22	Min. 25
				H	6 ~ 25	Min. 28
					25 ~ 50	Min. 25
Phosphorus Deoxidized Copper	1A	C1201B E	DCuBE1A	F	Min. 6	Min. 20	Min. 25
		C1201B D	DCuBD1A	O	6 ~ 75	Min. 20	Min. 30
					6 ~ 25	Min. 25	Min. 15
				1/2H	25 ~ 50	Min. 23	Min. 20
					50 ~ 50	Min. 22	Min. 25
				H	6 ~ 25	Min. 28
	1B	C1220B E	DCuBE2B		25 ~ 50	Min. 25
		C1220B D	DCuBD2B
Brass	1	C2600B E	BsBE1	F	Min. 6	Min. 28	Min. 35
		C2600B D	BsBD1	O	6 ~ 75	Min. 28	Min. 45
				1/2H	6 ~ 50	Min. 36	Min. 20
				H	6 ~ 20	Min. 42
	2	C2700B E	BsBE2	F	Min. 6	Min. 30	Min. 30
		C2700B D	BsBD2	O	6 ~ 75	Min. 30	Min. 40
				1/2H	6 ~ 50	Min. 36	Min. 20
				H	6 ~ 20	Min. 42
	3	C2800B E	BsBE3	F	Min. 6	Min. 32	Min. 25
		C2800B D	BsBD3	O	6 ~ 75	Min. 32	Min. 35
				1/2H	6 ~ 50	Min. 38	Min. 15
				H	6 ~ 20	Min. 46
Free-Cutting Brass	Common Grade 1	C3602B E	MBsBE1	F	6 ~ 75	Min. 32		Min. 75
		C3602B D	MBsBD1
	Special Grade 1	C3601B E	mMBsBE1S	F	Min. 6	Min. 30	Min. 15
		C3601B D	MBsBD1S	O	6 ~ 75	Min. 30	Min. 25
				1/2H	6 ~ 50	Min. 35		Min.95
				H	6 ~ 20	Min. 46		Min. 130
	Common Grade 2	C3604B E	MBsBE2	F	6 ~ 75	Min. 34		Min. 80
		C3604B D	MBsBD2
	Special	C3603B E	MBsBE2S	F	Min. 6	Min. 32	Min. 10
	Grade 2	C3603B D	MBsBD2S	O	6 ~ 75	Min. 32	Min. 20
				1/2H	6 ~ 50	Min.37		Min. 100
				H	6 ~ 20	Min. 46		Min. 130
	Extra Free- Cutting	C3605B E		F	6 ~ 75	Min. 34		Min. 80
		C3605 B D
Forging Brass	1	C3712B E	FBsBE1	F	Min. 6	Min. 32	Min. 15
		C3712B D	FBsBD1
	2	C3771B E	FBsBE2	F	Min. 6	Min. 32	Min. 15
		C3771B D	FBsBD2
Naval Brass	1	C4622B E	NBsBE1	F	6 ~ 50	Min. 35	Min. 20
		C4622B D	NBsBD1	F	6 ~ 50	Min. 37	Min. 20
	2	C4641B E	NBsBE2	F	6 ~ 50	Min. 35	Min. 20
		C4641B D	NBsBD2	F	6 ~ 50	Min.38	Min.20
Brass for Welding	2	C6782B E	HBsBD2	F	6 ~ 50	Min. 47	Min. 20
		C6782B D	HBsBD2	F	6 ~ 50	Min. 50	Min. 15
	3	C6783B E	HBsBE3	F	6 ~ 50	Min. 52	Min. 15
		C6783B D	HBsBD3	F	6 ~ 50	Min. 55	Min. 12