Copper Tungsten Material Chart

Copper Tungsten Material Chart2018-01-05T13:49:44+00:00

Copper Tungsten is sold in bars, plates, rounds and squares. Our stock items of copper tungsten are the 70/30 – 70% tungsten and 30% copper – the most common grade used in EDM applications. We also supply 60/40 and 75/25 grades for specific applications.

Material Grades

GradeDescription%RWMA ClassDensity Grams/CCElect Cond %IACSHardness
S15WCTungsten Copper70/30EDM14.2544-5290-96 RB
S10WCTungsten Copper75/251114.8042-5096-99 RB
S30WCTungsten Copper80/201215.6041-4999-104 RB
S20WCTungsten Copper78/22EDM15.5648-5390-100 RB

Decimal Equivelants

FractionDecimalFractionDecimal
1/64.01562533/64.515625
1/32.0312517/32.546875
3/64.04687535/64.546875
1/16.06259/16.5625
5/64.07812537/64.578125
3/32.0937519/32.59375
7/64.10937539/64.609375
1/8.1255/8.625
9/64.14062541/64.640625
5/32.1562521/32.65625
11/64.17187543/64.671875
3/16.187511/16.6875
13/64.20312545/64.703125
7/32.2187523/32.71875
15/64.23437547/64.734375
1/4.2503/4.750
17/64.26562649/64.765625
9/32.2812525/32.78125
19/64.29687551/64.796875
5/16.312513/16.8125
21/64.32812553/64.828125
11/32.3437527/32.84375
23/64.35937555/64.859375
3/8.3757/8.875
25/64.39062557/64.890625
13/32.4062529/32.90626
27/64.42187559/64.921875
7/16.437515/16.9375
29/64.45312561/64.953125
15/32.4687531/32.96875
31/64.48437563/64.984375
1/2.50011.000

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