Gunmetal Ingots is also an alloy of copper that has diverse industrial applications. These copper alloy ingots from Bright Metals find extensive use in the electrical and sanitary fittings. These durable and dynamic ingots are also used in the making of valves, batteries, radiators, etc.

Besides these superior quality gunmetal ingots, we also offer cast ingots, aluminium ingots and brass ingots. As one of the most trusted gunmetal ingots suppliers and exporters, we conduct on- time supply of other metal alloy products that also include brass coils, alloys for jewellery, brass strips, etc.

Chemical Composition

Gunmetal

LTB-1

Standard: IS: 318-1981

Copper Alloys

CU

SN

PB

ZN

FE

NI

AL

SI

SB

Impurities

LTB-1

Rem.

6-8

2.5-3.5

1.5-3

0.3

2

0.01

0.01

0.3

0.7

LTB-2

Standard: IS: 318-1981

Copper Alloys

CU

SN

PB

ZN

FE

NI

AL

SI

SB

Impurities

LTB-2

Rem.

4-6

4-6

4-6

0.35

2

0.01

0.02

0.4

0.8

LG-1

Standard: BS 1400

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

SI

SB

S

BI

Impurities

LG-1

Rem.

2-3.5

4-6

7-9.5

0.5

2

0.03

0.01

0.02

0.25

0.08

0.1

1

LG-2

Standard: BS 1400

Copper Alloys

CU

SN

PB

ZN

FE

NI

AL

SI

SB

BI

Impurities

LG-2

Rem.

4-6

4-6

4-6

0.5

2

0.01

0.02

0.05

0.8

LG-4

Standard: BS 1400

Copper Alloys

CU

SN

PB

ZN

FE

NI

AL

SI

SB

BI

Impurities

LG-4

Rem.

6-8.05

2.5-3.5

1.5-3

0.2

2

0.01

0.01

0.25

0.05

0.7

RG-5

Standard: DIN

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

MN

SI

SB

S

RG-5

84-86

4-6

4-6

4-6

0.2

2

0.03

0.01

0.1

0.01

0.25

0.06

RG-7

Standard: DIN

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

MN

SI

SB

S

RG-7

83-85

6.8-8

5.3-7

3.3-5

0.2

1-1.5

0.03

0.01

0.1

0.01

0.25

0.03

BC-1

Standard: JIS

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

SI

SB

BC-1

79-83

2-4

3-7

8-12

0.35

1

0.05

0.01

0.01

0.2

BC-2

Standard: JIS

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

SI

SB

BC-2

86-90

7-9

0-1

3-5

0.2

1

0.05

0.01

0.01

0.2

BC-6

Standard: JIS

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

SI

SB

BC-6

83 – 87

4-6

4-6

4-6

0.3

1

0.05

0.01

0.01

0.2

BC-7

Standard: JIS

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

SI

SB

BC-7

86-90

5-7

1-3

3-5

0.2

1

0.05

0.01

0.01

0.2

C83600

Standard: ASTM

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

SI

SB

S

C83600

84 – 86

4.3 – 6

4 – 5.7

4.3 – 6

0.25

1

0.05

0.005

0.005

0.25

0.08

C84400

Standard: ASTM

Copper Alloys

CU

SN

PB

ZN

FE

NI

P

AL

SI

SB

S

C84400

79 – 82

2.5-3.5

6-8

7-10

0.4

0.8

0.02

0.005

0.005

0.25

0.08

 

Physical Properties
Gunmetal
Grade B.S.	Nominal	2% PS	Tensile Strength	Elongation	Brinell
1400: 1985	Composition	N/mm Min	N/mm Min	% Min	Hardness Min
G1/BC3	88/10/2		245	15
G1/BC2	88/8/4		245	20
LG1	88/3/9/5	85	180	15	60
LG2	85/5/5/5	90	200	13	60
LG3	86/7/5/2
LG4	88/7/2/3	130	230	14	65
BC1	82/3/10/5		165	15
BC6	85/5/5/5		215	18