Czech Republic · CSN

CuBe2

CSN EN 1654 — Copper and copper alloys. Strip for springs and connectors

Chemical composition

ElementminmaxSimilarRemarks
Be1.82.1
Co0.3
Cu​​Bal​​​​Bal​​
Fe0.2
Ni0.3
Total Others0.5

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
steel strip, B400, > 0, HV1 <= 1 mm ≤210
steel strip, B500, > 0, HV1 <= 1 mm ≤230
steel strip, B530, > 0, HV1 <= 1 mm ≤250
steel strip, B600, > 0, HV1 <= 1 mm ≤280
steel strip, B760, > 0, HV1 <= 1 mm ≤310
steel strip, B770, > 0, HV1 <= 1 mm ≤350
steel strip, B780, > 0, HV1 <= 1 mm ≤360
steel strip, B820, > 0, HV1 <= 1 mm ≤360
steel strip, B880, > 0, HV1 <= 1 mm ≤370
steel strip, B920, > 0, HV1 <= 1 mm ≤380
steel strip, H090, > 0, HV1 <= 1 mm ≤90
steel strip, H120, > 0, HV1 <= 1 mm ≤120
steel strip, H170, > 0, HV1 <= 1 mm ≤170
steel strip, H210, > 0, HV1 <= 1 mm ≤210
steel strip, H220, > 0, HV1 <= 1 mm ≤220
steel strip, H230, > 0, HV1 <= 1 mm ≤230
steel strip, H250, > 0, HV1 <= 1 mm ≤250
steel strip, H280, > 0, HV1 <= 1 mm ≤280
steel strip, H310, > 0, HV1 <= 1 mm ≤310
steel strip, H350, > 0, HV1 <= 1 mm ≤350
steel strip, H360, > 0, HV1 <= 1 mm ≤360
steel strip, H370, > 0, HV1 <= 1 mm ≤370
steel strip, H380, > 0, HV1 <= 1 mm ≤380
steel strip, R1060, > 0, 1 <= 1 mm≤1060≤4
steel strip, R1130, > 0, 1 <= 1 mm≤1130≤3
steel strip, R1190, > 0, 1 <= 1 mm≤1190≤3
steel strip, R1200, > 0, 1 <= 1 mm≤1200≤3
steel strip, R1270, > 0, 1 <= 1 mm≤1270
steel strip, R1310, > 0, 1 <= 1 mm≤1310
steel strip, R410, > 0, 1 <= 1 mm≤410≤35
steel strip, R510, > 0, 1 <= 1 mm≤510≤15
steel strip, R580, > 0, 1 <= 1 mm≤580≤8
steel strip, R680, > 0, 1 <= 1 mm≤680≤2
steel strip, R690, > 0, 1 <= 1 mm≤690≤16
steel strip, R750, > 0, 1 <= 1 mm≤750≤15
steel strip, R820, > 0, 1 <= 1 mm≤820≤12
steel strip, R930, > 0, 1 <= 1 mm≤930≤9
steel strip, Y1020, > 0, 1 <= 1 mm≤1020≤3
steel strip, Y1030, > 0, 1 <= 1 mm≤1030≤3
steel strip, Y1100, > 0, 1 <= 1 mm≤1100
steel strip, Y1130, > 0, 1 <= 1 mm≤1130
steel strip, Y190, > 0, 1 <= 1 mm≤190≤35
steel strip, Y410, > 0, 1 <= 1 mm≤410≤15
steel strip, Y480, > 0, 1 <= 1 mm≤480≤16
steel strip, Y510, > 0, 1 <= 1 mm≤510≤8
steel strip, Y550, > 0, 1 <= 1 mm≤550≤15
steel strip, Y620, > 0, 1 <= 1 mm≤620≤2
steel strip, Y650, > 0, 1 <= 1 mm≤650≤12
steel strip, Y750, > 0, 1 <= 1 mm≤750≤9
steel strip, Y930, > 0, 1 <= 1 mm≤930≤4
steel strip, Y960, > 0, 1 <= 1 mm≤960≤3

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
8.30

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