High Copper Alloys CuBe2 (CW101C)

CuBe2 is a high-strength copper alloy. After age hardening it reaches strength values normally seen only in steel, while keeping the electrical and thermal conductivity typical of copper. Under EN it is designated CW101C, the earlier material number is 2.1247.

We supply CuBe2 as round bars ex stock, drawn and solution annealed. Cut to your dimensions, no minimum order.

Properties

Chemical properties

Cu	Rest
Be	1,8 - 2,1 %
Co	max. 0,3 %
Fe	max. 0,2 %
Ni	max. 0,3 %
Others	max. 0,5 %

Mechnical properties - bars

Condition	Tensile strength R_m N/mm²	Yield strength R_{p 0,2} N/mm²	Elongation A %	Hardness HB
Ø 10 - 25 mm R650 - H190	≥ 650	ca. 500	≥ 8	190 -240
Ø 30 - 40 mm R600 - H170	≥ 600	ca. 480	≥ 10	170 - 230
Ø 50 - 100 mm R580 - H155	≥ 580	ca. 450	≥ 10	155 - 220

Note: CuBe2 contains beryllium. Ensure adequate extraction when machining, grinding and welding.

Product variants

Round bars

Alloy	CuBe2, CW101C
Variant	drawn, solution annealed, not hardened from Ø 61 mm forged + premachined
Norm	DIN EN 12163:1998
Tolerance	DIN 1756, h11 Ø 6 mm + 0 / - 0,08 mm Ø 8 - 10 mm + 0 / - 0,09 mm Ø 11 - 18 mm + 0 / - 0,11 mm Ø 19 - 30 mm + 0 / - 0,13 mm Ø 31 - 50 mm + 0 / - 0,16 mm Ø 51 - 60 mm + 0 / - 0,19 mm from Ø 61 mm forged + 1 / - 0 mm
Datasheet	Datasheet

Flat bars

Alloy	CuBe2, CW101C
Tolerance	+ 2 / - 0 mm

Flat bars forged & premachined

Alloy	CuBe2, CW101C
Variant	forged & premachined
Tolerance	+2/-0 mm
Datasheet	Datasheet

Similar materials

CuBe2, 2.1247, DIN 17 666
C 17 200 UNS

Typical applications

Spring elements and contact springs
Current-carrying contacts under high mechanical load
Mould inserts in plastics tooling, where heat must dissipate quickly
Non-sparking tools for hazardous areas
Heavily loaded sliding elements and drill bushings

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Rely on Schreier Metall, your partner for high-strength semi-finished products in CuBe2 and other non-ferrous metal semi-finished products. We offer reliability, fair prices and consistently secure supply. Get in touch, we are glad to advise you.