Intelligence – Insight – Ingenuity

Copper Alloys

Overview of Copper Casting Alloys

Comparison Table of Casting Characteristics of Major Copper Casting Alloys               

 

LG2

PB2

Tensile Strength (N/mm2)

200-270

220-310

Elongation (%)

13-25

5-15

Brinell Hardness

65-75

75-110

Density (g/cm3)

8.5

8.8

Freezing range (°C approx.)               

1010-854

1000-831

Thermal Con (cal/cm2/cm/°C @ 25°C)

(71)

(45)

Electrical Con (% copper std. @ 20°C)

15

9

Machinability                           

E

G

Corrosion Resistance            

E

E

Electro Plating Suitability

F

F

Non Spark                              

Yes

Yes

Casting Characteristics - Sand      

E

E

Casting Characteristics - Gravity

F

F

Casting Characteristics - High Pressure

U

U

Material Cost (pence/100 cc - July 1996)

118

173

E = Excellent

G = Good

F = Fair

P = Poor

U = Unsuitable

HOW can MRT Castings help you?

I want...

New at MRT

Southern 19

Visit us at stand C195 at the Farnborough Internaltional Exhibition & Conference Centre on 5th, 6th & 7th February 2019.

Read More
MRT-FactoryWizz Video

Around 6 months ago, we took a hard look at how we use the data we have available to us at MRT Castings. We looked at everything from data being used by machines, data being created by machines all the way through to where data is being left on the cutting room floor and where data can potentially be corrupted or lost through human error.

Read More
year-of-engineering-2018

MRT Castings is excited to announce that we will be supporting the 2018 Year of Engineering initiative.  The Year of Engineering is a year-long government campaign to support the engineering profession in recruiting the next generation of engineers. 

Read More