CuFe2P vs Cu-ETP (CW004A): 0% composition overlap. Significantly different materials serving different application areas.
CuFe2P vs Cu-ETP (CW004A)
Side-by-side chemical composition and mechanical property comparison.
Overview
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.
Cu-ETP (CW004A)
2.0060
Electrolytic tough pitch copper — 99.90% Cu minimum with 0.02-0.04% oxygen from electrolytic refining. The standard electrical-grade copper worldwide (IACS 101% conductivity). Highest electrical and thermal conductivity of any commercial copper grade. Easy to cold form, hot form, and solder/braze. Cannot be welded in oxidizing atmosphere (embrittlement from oxygen). Used for electrical busbars, wire, cable, transformer windings, circuit boards, heat exchangers, roofing, and plumbing. ASTM: C11000, UNS C11000.
| CuFe2P | Cu-ETP (CW004A) | |
|---|---|---|
| Material Number | CW107C | 2.0060 |
| Category | Copper & Brass | Copper & Brass |
| Standard | EN 1758 | EN 1652 |
Chemical composition (wt%)
| Element | CuFe2P | Cu-ETP (CW004A) | Overlap |
|---|---|---|---|
| P | 0.015–0.15% | — | — |
| Cu | — | ≥ 99.9% | — |
| Fe | 2.1–2.6% | — | — |
| Zn | 0.05–0.2% | — | — |
Mechanical properties
| Property | CuFe2P | Cu-ETP (CW004A) | Unit |
|---|---|---|---|
| tensile_strength | 300–340 | 200–250 | MPa |
| yield_strength | 150–200 | 40–80 | MPa |
| elongation | 25–35 | ≥ 33 | % |
Compatibility Assessment
CuFe2P and Cu-ETP (CW004A) have significantly different compositions (0% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is CuFe2P the same as Cu-ETP (CW004A)?
CuFe2P and Cu-ETP (CW004A) have a 0% composition overlap. They are generally not directly interchangeable.
Can I replace CuFe2P with Cu-ETP (CW004A)?
Generally not recommended. The compositions differ significantly (0% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between CuFe2P and Cu-ETP (CW004A)?
The main differences are in the following elements: overall alloying content. CuFe2P is a Copper & Brass grade, while Cu-ETP (CW004A) 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.