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HEXAGON BRONZE
CuSn7Zn4Pb7-C (CC493K)

✔ standard | ✚ non standard, stock availble

A/F (mm)	CuSn7Zn4Pb7-C (CC493K)	approx kg/m
17	✔	2,2
19	✔	2,8
22	✔	3,7
24	✔	4,4
27	✔	5,6
30	✔	6,9
32	✔	7,8
36	✔	9,9
41	✔	12,9
46	✔	16,2
A/F (mm)	CuSn7Zn4Pb7-C (CC493K)	approx kg/m
50	✔	19,2
55	✔	23,2
60	✔	27,7
65	✔	32,5
✔ standard \| ✚ non standard, stock availble 2024-04-08 07:35

Tolerances and machining allowance bronze

Diameter	Outside diameter	Inside diameter
up to Ø 117 mm	+ 0 / + 1 mm	- 0 / - 1 mm
Ø 122 - Ø 202 mm	+ 0 / + 1,5 mm	- 0 / - 1,5 mm
Ø 212 - Ø 404 mm	+ 0 / + 2 mm	- 0 / - 2 mm

Square and rectangle	+ 0 / +2 mm

Standardlengths: approx. 3000 mm, 2000 mm, 1000 mm en 500 mm. The stated finished sizes are valid for lengths up to 250 mm and diameters up to 172 mm. For diameters above 172 mm and / or lengths over 250 mm, a larger machining allowance is required. Our foundries can procude centrifugally cast (flanged)tubes to any desired size up to a maximum diameter of Ø 2000 mm and lengths of 3000 mm in all common alloys

CuSn7Zn4Pb7-C (CC493K) | CuSn7ZnPb

	EN	DIN
Alloy	CuSn7Zn4Pb7-C	CuSn7ZnPb
		RG7
Standard	EN 1982	DIN 1705
Alloy number	CC493K	2.1090

Chemical composition			Mechanical properties
Cu	81,0 - 85,0	81,0 - 85,0		EN	DIN
Sn	5,4 - 8,0	5,6 - 8,0	Rm	≥ 260	≥ 270
Zn	2,0 - 5,0	3,0 - 5,0	Rp 0,2	≥ 120	≥ 120
Pb	5,0 - 8,0	5,0 - 7,0	A5	≥ 12	≥ 16
Ni	2,0 max.	2,0 max.	HB	≥ 70	≥ 70
P	0,10 max.	0,05 max.

kg/dm³	8,9
Condition	GC, GZ	GC
Characteristics	Most common bronze alloy, also called bearing bronze or gunmetal. Suitable for bearings with medium load, good dry running properties, high wear resistance and machinability. General applications: cylinder and bearing liners, gears and wearstrips. Loads up to 4000 N/cm²

CuSn12-C (CC483K) | CuSn12

	EN	DIN
Alloy	CuSn12-C	CuSn12
		Gbz12
Standard	EN 1982	DIN 1705
Alloy number	CC483K	2.1052

Chemical composition			Mechanical properties

Cu	85,0 - 88,5	84,0 - 88,5		EN	DIN
Sn	10,5 - 13,0	10,5 - 13,0	Rm	≥ 300	≥ 280
Zn	0,5 max.	1,0 max.	Rp 0,2	≥ 150	≥ 140
Pb	0,7 max.	1,0 max.	A5	≥ 6	≥ 8
Ni	2,0 max.	2,0 max.	HB	≥ 90	≥ 90
P	0,60 max.	0,4 max.

kg/dm³	ca. 8,9
Condition	GC, GZ	GC
Characteristics	Corrosion and seawater resistant, high wear resistance and resistant to high surface loads. Higher mechanical values than with CuSn7Zn4Pb7 due to higher tin content and lower lead and zinc content. As a result, the dry running properties and machinability is less. Applications: bearings with high peripheral speeds, heavily loaded worms and gears, coupling parts and threaded sleeves

CuSn5Zn5Pb5-C (CC491K) | CuSn5ZnPb

	EN	DIN
Alloy	CuSn5Zn5Pb5-C	CuSn5ZnPb
		RG5
Standard	EN 1982	DIN 1705
Alloy number	CC491K	2.1096

Chemical composition			Mechanical properties
Cu	83,0 - 87,0	84,0 - 86,0		EN	DIN
Sn	4,0 - 6,0	4,0 - 6,0	Rm	≥ 250	≥ 220
Zn	4,0 - 6,0	4,0 - 6,0	Rp 0,2	≥ 110	≥ 90
Pb	4,0 - 6,0	4,0 - 6,0	A5	≥ 13	≥ 16
Ni	2,0 max.	2,5 max.	HB	≥ 65	≥ 60
P	0,10 max.

kg/dm³	8,7
Condition	GC, GZ	GS
Characteristics	Usually replaced by CuSn7Zn4Pb7 (RG7) nowadays

CuSn10Zn

	EN	DIN
Alloy	niet genormeerd	CuSn10Zn
		RG10
Standard		DIN 1705
Alloy number		2.1086

Chemical composition			Mechanical properties
Cu		86,0 - 89,0			DIN
Sn		9,0 - 11,0	Rm		≥ 260
Zn		1,0 - 3,0	Rp 0,2		≥ 130
Pb		1,5 max.	A5		≥ 15
Ni		2,0 max.	HB		≥ 77
P		0,05 max.

kg/dm³	8,7
Condition	GC, GZ and GS

CuSn10-C (CC480K) | CuSn10

	EN	DIN
Alloy	CuSn10-C	CuSn10
Standard	EN 1982	DIN 1705
Alloy number	CC480K	2.1050

Chemical composition			Mechanical properties
Cu	88,0 - 90,0	88,0 - 90,0		EN	DIN
Sn	9,0 - 11,0	9,0 - 11,0	Rm	≥ 280	≥ 270
Zn	0,5 max.	0,5 max.	Rp 0,2	≥ 170	≥ 130
Pb	1,0 max.	1,0 max.	A5	≥ 10	≥ 18
Ni	2,0 max.	2,0 max.	HB	≥ 80	≥ 70
P	0,2 max.	0,2 max.

kg/dm³	ca. 8,7
Condition	GS, GC, GZ	GS
Characteristics	Construction material with higher elongation, corrosion and sea water resistance

CuSn12Ni2-C (CC484K) | CuSn12Ni

	EN	DIN
Alloy	CuSn12Ni2-C	CuSn12Ni
		Gbz12Ni
Standard	EN 1982	DIN 1705
Alloy number	CC484K	2.1060

Chemical composition			Mechanical properties

Cu	84,5 - 87,5	84,0 - 87,0		EN	DIN
Sn	11,0 - 13,0	11,0 - 13,0	Rm	≥ 300	≥ 300
Zn	0,4 max.	0,4 max.	Rp 0,2	≥ 180	≥ 170
Pb	0,3 max.	0,3 max.	A5	≥ 10	≥ 10
Ni	1,5 - 2,5	1,5 - 2,5	HB	≥ 95	≥ 90
P	0,05 - 0,40	0,2 max.

kg/dm³	8,6
Condition	GC, GZ	GC
Characteristics	Good wear resistance, corrosion and seawater resistant. Applications are high-stress spindle nuts, high-speed gear and worm gears

CuSn11Pb2-C (CC482K) | CuSn12Pb

	EN	DIN
Alloy	CuSn11Pb2-C	CuSn12Pb
		Gbz12Pb
Standard	EN 1982	DIN 1705
Alloy number	CC482K	2.1061

Chemical composition			Mechanical properties

Cu	83,5 - 87,0	84,0 - 87,0		EN	DIN
Sn	10,5 - 12,5	11,0 - 13,0	Rm	≥ 280	≥ 280
Zn	2,0 max.	1,0 max.	Rp 0,2	≥ 150	≥ 140
Pb	0,7 - 2,5	1,0 - 2,0	A5	≥ 5	≥ 7
Ni	2,0 max.	2,0 max.	HB	≥ 90	≥ 85
P	0,4 max.	0,2 max.

kg/dm³	8,7
Condition	GC, GZ	GC
Characteristics	CuSn11Pb has better dry running properties compared to CuSn12. Good abrasion resistance, corrosion and seawater resistance. Applications are bearings with a high impact load and guideway profiles

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