Beryllium Copper

Copper Base Wire

Spring Works Utah specializes in the custom manufacture of wire springs, flat springs, and wire products using Beryllium Copper Cooper Base Wire material. Our extensive inventory and design experience makes us a resource for customer requests as well as a preferred supplier to spring manufacturers worldwide. We know choosing the right material can be challenging and many times the most important aspect of your design. We will assist you in picking the best material for your specific application, all at the right price.

Choosing the Right Springs Manufacturer Matters!

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Technical Specifications of Cooper Base Wire Beryllium Copper

Specifications

Key Features

Chemical Composition

AMS 5688
ASTM A313
ASTM A580
BS 970
BS 2056

Good mechanical properties and corrosion resistance.

Element	Min %	Max %
C	-	0.12
Mn	-	2.00
P	-	0.045
S	-	0.03
Si	-	1.00
Cr	17.00	19.00
Ni	8.00	10.00

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Technical Specifications of Cooper Base Wire Beryllium Copper
Maximum Temperature	500°F	260°C
Melting Point	2590°F	1420°C
Minimum Size	0.005 in	0.130 mm
Maximum Size	0.375 in	9.500 mm
Modulus of Elasticity	27195 ksi	187.5 kN/mm²
Modulus of Rigidity	10196 ksi	70.3 kN/mm²
Density	0.286 lb/in³	7.920 g/cm³
Relative Strength	Medium
Fatigue Applications	Good
Rockwell Hardness	C35-45
Conductivity	2
Typical Surface	B

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Technical Specifications of Cooper Base Wire Beryllium Copper
E Mpa	Young's Modulus	These factors can vary with cold work, heat treating and operational stress.
E psi
G Mpa	Modulus of Rigidity
G psi
Conductivity	% IACS
Surface Min	Typical Surface Quality	A	Maximum defect depth: 0 to 0.5% of d or t
		B	Maximum defect depth: 1.0% of d or t
		C	Defect depth:less that 3.5% of d or t
Min Size	Sizes commonly available for wire or strip	Special sizes may be available at additional cost.
Max Size
Max Temp	Maximum service temperature	May vary due to operating stress

Information is for Reference Purposes Only. Factors can vary with cold work, stress relieving and operational stress. Variations may be minor but should be considered for critical properties.

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Cooper Base Wire Beryllium Copper

Beryllium Copper