Type

Alloy Grade

0.2% Proof Strength
N/mm2

Tensile Strength
N/mm2

Elongation
%

Typical Hardness
HB

Characteristics and Uses

Aluminium Bronze

AB1

200

550

18

130

Excellent Corrosion Resistance

Aluminium Bronze

AB2

280

650

12

150

Excellent Corrosion Resistance

Gunmetal

G1

130

270

16

85

Excellent Corrosion Resistance

Gunmetal

LG2

110

230

10

65

Good Corrosion Resistance with moderate Strength

Gunmetal

LG4

130

240

12

70

Good Corrosion Resistance with moderate Strength

Phosphor Bronze

PB1

170

270

10

80

Offering higher Corrosion/Erosion Resistance than Gunmetals

Leaded Phosphor Bronze

LPB1

80

190

3

70

Combine Good Strength and Fatigue Resistance with Good Machinability, High Wear Resistance and Corrosion Resistance

Lead Bronze

LB2

110

220

5

65

Increase in Plasticity for good use in bearings

Silicon Brass

SCB3

70

180

12

45

General Purpose Application

High Tensile Brass

HTB1

200

480

18

110

Good Wear Resistance

Copper Tin Zinc

CTZ

Superston 70 (CMA1)

SS70

275

630

18

150

Excellent Corrosion Resistance Seawater Handling Components & Propellers

Grade

Tensile Strength
N/mm2

Elongation
%

Typical Hardness
BHN

Machinability

Characteristics and Uses

LM0

80

30

25

Poor

99.50% Ali - Excellent Corrosion Resistance

LM4 M

140

2

65 - 80

Fairly Good

Suitable for most General Engineering

LM4 TF

230

-

90 - 120

Good

Suitable for most General Engineering

LM6

160

5

50 - 55

Poor

Excellent Corrosion Resistance

LM25 M

130

2

55 - 65

Poor

Good Fluidity - suitable for fairly thin castings

LM25 TB7

160

2.5

65 - 75

Very Good

Excellent Corrosion Resistance

LM25 TF

230

-

90 - 110

Very Good

Excellent Corrosion Resistance

Type

Alloy Grade

Conductivity
% IACS

0.2% Proof Strength
N/mm2

Elongation
%

Typical Hardness
HB

Characteristics and Uses

High Conductivity Copper

HCC

90

30

25

45

High Purity, Low Yield Strength - perfect for Busbars, Switchgear parts and High Heat Transfer

Chrome Copper

CuCr

75

230

10

114

Medium Strength - general Purpose Welding & Switchgear

Nickel Silicon Chrome Copper

CNS-CR

40

450

9

200

Beryllium free High Strength Resistance Welding Components

Type

Alloy Grade

0.2% Proof Strength
N/mm2

Tensile Strength
N/mm2

Elongation
%

Typical Hardness
HB

Characteristics and Uses

Zinc Alloy (Kirksite)

ZA-2

283

359

7

100

Maintains Higher Strength and Hardness levels after long term Ageing - suitable for bearings

Pure Lead

PB

-

-

-

-

Heavy, dense, relatively soft malleable metal with low tensile strength. It has the unusual ability to absorb sound and other forms of vibration

Special Lead (Molin)

PC3L

-

-

-

-

-