Product Overview

High-thermal-conductivity pure iron (≥99.8% Fe) is a specialized material bridging the gap between extreme thermal performance and operational reliability. it resists thermal sagging and oxidation at sustained high temperatures (up to 500°C), making it ideal for applications where thermal and structural integrity are non-negotiable .

Why Thermal Conductivity Matters in Pure Iron

Thermal conductivity measures a material's ability to conduct heat (W/m·K). In pure iron, this property stems from:

- Electron-mediated conduction: Free electrons efficiently transport heat with minimal scattering due to ultralow impurities (C ≤0.002%, S ≤0.002%)

- Crystalline simplicity: BCC lattice structure enables phonon-assisted heat flow with fewer disruptions

- Defect control: Vacancy-free manufacturing minimizes heat flow barriers

How Pure Iron Outperforms Conventional Materials

Property	Pure Iron (DT4 Grade)	Copper (C11000)	Stainless Steel 304	Aluminum 6061
Thermal Conductivity	76–80 W/m·K 7	398 W/m·K 3	15–20 W/m·K	167 W/m·K
Max Operating Temp	500°C (no scaling)	200°C (severe oxidation)	900°C	250°C
Thermal Expansion	12.5 µm/m·K	16.5 µm/m·K	17.3 µm/m·K	23.6 µm/m·K
Cost Index	1.0x	5.8x	1.2x	1.5x
Yield Strength	220 MPa	69 MPa	215 MPa	276 MPa

Key insight:

Pure iron provides the optimal balance for applications needing simultaneous heat dissipation, structural rigidity, and thermal stability. Copper outperforms in raw conductivity but fails in high-temp/corrosive environments; stainless steel withstands heat but "traps" thermal energy.