CuBe2 vs CuFe2P: 50% composition overlap. Moderate differences, generally not direct substitutes.
CuBe2 vs CuFe2P
Side-by-side chemical composition and mechanical property comparison.
Overview
CuBe2
CW101C
THE highest-strength copper alloy — UTS up to 1400 MPa (200 ksi), approaching steel strength with copper's conductivity (22% IACS aged). Age-hardenable: solution treat 780-800°C, age 315-340°C → HRC 38-45. Non-sparking, non-magnetic. Trade names: Alloy 25 (Materion), BeCu25 (NGK). CAUTION: Be dust is carcinogenic — machining requires extraction. Used for non-sparking tools, mold inserts, springs, connectors, and resistance welding electrodes.
CuFe2P
CW107C
Precipitation-hardened copper-iron alloy — THE semiconductor leadframe material since 1964. Fe precipitates give UTS up to 580 MPa while maintaining 60-65% IACS electrical conductivity. Resists softening to 350°C (critical for IC packaging). Also used for automotive connectors, pin grid arrays (PGA), and terminals. Trade names: Wieland K65, Aurubis PNA212.
| CuBe2 | CuFe2P | |
|---|---|---|
| Material Number | CW101C | CW107C |
| Category | Copper & Brass | Copper & Brass |
| Standard | EN 12163 | EN 1758 |
Chemical composition (wt%)
| Element | CuBe2 | CuFe2P | Overlap |
|---|---|---|---|
| P | — | 0.015–0.15% | — |
| Ni | 0–0.3% | — | — |
| Cu | — | — | — |
| Be | 1.8–2.1% | — | — |
Mechanical properties
| Property | CuBe2 | CuFe2P | Unit |
|---|---|---|---|
| tensile_strength | 440–540 | 300–340 | MPa |
| elongation | 25–45 | 25–35 | % |
| hardness_hrc | 38–45 | — | HRC |
Compatibility Assessment
CuBe2 and CuFe2P have moderate differences (50% overlap). They are generally not direct substitutes. Consider the specific requirements of your application.
Automated assessment based on composition analysis
Frequently Asked Questions
Is CuBe2 the same as CuFe2P?
CuBe2 and CuFe2P have a 50% composition overlap. They are generally not directly interchangeable.
Can I replace CuBe2 with CuFe2P?
Generally not recommended. The compositions differ significantly (50% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between CuBe2 and CuFe2P?
The main differences are in the following elements: overall alloying content. CuBe2 is a Copper & Brass grade, while CuFe2P is a Copper & Brass grade.
View full data for each material:
Data provided for reference only. Always verify against the applicable specification for critical applications.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.