DIN 1.2343
DIN 1.2343 suppliers

DIN 1.2343

DIN 1.2343 is a high-purity mold steel engineered for applications requiring vacuum quenching hardness stability, excellent polishing performance, and strong toughness.

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Product Introduction

DIN 1.2343 High-Polishing Mold Steel – High Purity, Vacuum-Quenched Toughness & Excellent Machinability

DIN 1.2343 is a high-purity mold steel engineered for applications requiring vacuum quenching hardness stability, excellent polishing performance, and strong toughness.
With advanced refining technology and multi-directional forging, SW2343-M achieves a clean, homogeneous structure, making it ideal for high-gloss, precision, and optical-grade plastic molds.

Product Parameters (Specification)

Property	Description
Material Type	High-purity mold steel
Hardness	HRC 48–52 (after vacuum quenching & tempering)
Microstructure	Fine tempered martensite
Surface Condition	Excellent mirror polishability & etching performance
Heat Treatment	Vacuum quenching + tempering, nitriding optional
Application	High-gloss molds, precision molds, optical-grade components

Product Features & Applications

High Hardness via Vacuum Quenching

After vacuum quenching and tempering, SW2343-M achieves a stable hardness of HRC 48–52, ensuring excellent wear resistance and long mold life.

Exceptional Polishing Capability

Suitable for mirror-finished mold surfaces, optical parts, and high-gloss textures.

Ultra-High Purity & Clean Metallographic Structure

Advanced refining minimizes inclusions, enabling stable machining and surface finishing.

Outstanding Toughness & Thermal Fatigue Resistance

Performs well under high injection pressure and repeated thermal cycles.

Wide Application Range

Ideal for electronics casings, automotive interior components, lenses, cosmetic packaging, and precision plastic molds.

Product Details

SW2343-M is produced using RH vacuum degassing, low-sulfur smelting, and multi-directional forging, ensuring ultra-clean internal quality.

After vacuum quenching, the steel exhibits higher hardness, enhanced wear resistance, and excellent dimensional stability during complex machining.

Its refined grain structure and strong polishing response make SW2343-M a top choice for molds requiring high transparency, glossy surfaces, or detailed laser textures.

Product Qualification

Manufactured under ISO 9001:2015 certified processes
100% ultrasonic inspection for internal soundness
Hardness verified post–vacuum heat treatment
Compatible with HASCO / DME mold systems

FAQ

Q1: What is the hardness of SW2343-M after heat treatment?

SW2343-M reaches HRC 48–52 after vacuum quenching and tempering.

Q2: Can SW2343-M be polished to a mirror finish?

Yes. Its high purity and fine-grain structure provide excellent mirror polishing capability.

Q3: Is SW2343-M suitable for high-temperature molding?

Yes. It has strong thermal fatigue resistance and maintains stability during long production cycles.

Q4: What applications are ideal for SW2343-M?

High-gloss molds, optical components, cosmetic packaging molds, and precision plastic molds.

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