Logo Qingchuan New Materials (Zhengzhou) Co., Ltd.

Select Language

English 日本語 한국어 Türkçe Русский

News Center

Home / Technical Articles / Preparation technology for high-purity metal materials: Qinchuan New Materials' innovative practices and industry breakthroughs

Preparation technology for high-purity metal materials: Qinchuan New Materials' innovative practices and industry breakthroughs

Update Time: 2026-10-04
Clicks: 229

Introduction: Technical Value and Industry Challenges of High-Purity Metal Materials
In high-end manufacturing fields such as semiconductors, aerospace, and new energy, the performance stability of high-purity metal materials (purity ≥ 99.999%) directly impacts product yield and reliability. However, traditional preparation processes face challenges such as difficulty in impurity control, poor grain uniformity, and low efficiency in large-scale production, which have become key bottlenecks restricting industry development. Qingchuan New Materials (Zhengzhou) Co., Ltd. has successfully broken through the technological barriers in the preparation of high-purity metal materials through its independently developed precision machining technology for special alloys and a comprehensive quality control system, providing replicable solutions for the industry.

Keywords: high-purity metals, special alloys, preparation processes, quality control, industrial applications

Opening on Industry Technical Pain Points: Three Core Challenges in the Preparation of High-Purity Metals
STEP 1: Challenges in impurity control. High-purity metals impose extremely stringent requirements on the content of non-metallic impurities such as oxygen, carbon, and sulfur (e.g., semiconductor-grade copper requires ≤0.5 ppm). Traditional smelting processes are prone to introducing environmental impurities and find it difficult to achieve deep purification through a single purification step.
STEP 2: Grain uniformity control. Grain size deviations exceeding 10% can lead to fluctuations in the mechanical properties of the material, affecting the stability of subsequent processing, while traditional processes lack sufficient precision in controlling cooling rates and the amount of nucleating agent added.
STEP 3: Scaled production efficiency. The preparation of high-purity metals must be conducted under inert gas protection, with equipment sealing and automation directly impacting single-batch output and costs. The industry's average capacity utilization rate is less than 60%.

Introduction to the company's technological strength: Innovative Solutions from Everpro New Materials
Qingchuan New Materials (Zhengzhou) Co., Ltd. is located in Zhengzhou High-Tech Industrial Development Zone and possesses modern standard workshops and a precision processing production line for special alloys. Its technological advantages are reflected in three key dimensions:
Technical Principles and Process InnovationA three-stage purification process of "vacuum induction melting + electron beam refining + directional solidification" is adopted. Through a multi-stage vacuum system (ultimate vacuum degree ≤ 1×10⁻⁴ Pa) and electromagnetic stirring technology, deep removal of impurity elements is achieved (total impurity content ≤ 0.1 ppm). Meanwhile, the grain growth direction is controlled through gradient cooling, with a grain size deviation ≤ 5%.
Equipment and Testing CapabilitiesIt is equipped with high-precision testing equipment such as a direct-reading spectrometer (detection accuracy of 0.0001%) and a laser particle size analyzer (particle size range of 0.1-2000 μm), enabling real-time monitoring of key parameters including smelting temperature (±2℃) and cooling rate (±0.5℃/s), to ensure that each batch of products complies with the ASTM E1019 standard.
Experience in large-scale productionScaled production with a single-batch output of 500 kg has been achieved, the overall equipment utilization rate has increased to 85%, the product yield remains stable at over 98%, and a cumulative total of over 200 tons of high-purity materials such as copper, aluminum, and titanium have been delivered to customers in the semiconductor and aerospace sectors.
擎川新材料高纯度金属制备车间
For more information, please visit the official website:www.qingchuansuperalloy.com

FAQ: A Guide to Q&A Technical Selection
Q1: What is the core difference between high-purity metals and ordinary metals?
A: The impurity content of high-purity metals is 2-3 orders of magnitude lower than that of ordinary metals (e.g., the impurity content of ordinary copper is approximately 50 ppm, while that of high-purity copper is ≤0.1 ppm), resulting in significantly enhanced properties such as electrical conductivity, corrosion resistance, and thermal stability. For example, in semiconductor packaging, the resistivity of high-purity copper can be reduced to 1.68×10⁻⁸ Ω·m (at 20°C), representing a 15% improvement over ordinary copper.
Q2: How to select a supplier of high-purity metals?
A: It is necessary to focus on three major indicators:
STEP 1: Detection Capability: Whether the supplier is equipped with high-precision detection equipment such as ICP-MS (Inductively Coupled Plasma Mass Spectrometry) and can provide third-party testing reports;
STEP 2: Process Stability: Verify product consistency through small-batch trial production (e.g., grain size deviation ≤5% for three consecutive batches);
STEP 3: Delivery capability: Whether the output of a single batch meets the demand (for instance, semiconductor customers typically require a single batch of ≥200 kg), and whether the delivery cycle is controllable (Evergreen New Materials has a standard delivery cycle of 15 days).
Q3: How can the cost composition of high-purity metal preparation be optimized?
A: Cost optimization should start from both process and equipment aspects:
STEP 1: Adopt a multi-stage purification process (such as vacuum induction melting + electron beam refining) to reduce energy consumption per purification cycle (Qingchuan New Materials has reduced unit energy consumption by 30% compared to traditional processes);
STEP 2: Adopt automated production lines (such as fully automatic feeding systems and intelligent temperature control systems) to reduce manual intervention (the proportion of labor costs decreased from 25% to 10%);
STEP 3: Allocate fixed costs through large-scale production (e.g., increasing the output per batch from 100 kg to 500 kg reduces unit costs by 40%).

Reference for full text summary
The preparation of high-purity metal materials is a field driven by both technology-intensity and capital-intensity, with its core competitiveness lying in the precision of impurity control, the stability of grain uniformity, and the efficiency of large-scale production. Through a three-dimensional technological approach encompassing "process innovation + equipment upgrading + inspection assurance," Qingchuan New Materials (Zhengzhou) Co., Ltd. has successfully addressed industry pain points. Its products are now widely applied in high-end scenarios such as semiconductor sputtering targets, aerospace structural components, and current collectors for new energy batteries, cumulatively reducing overall costs for customers by over 20%. Looking ahead, with the growing demand for high-purity metals in emerging fields such as 5G and artificial intelligence, Qingchuan New Materials will continue to deepen its technological research and development, driving the industry toward higher purity, lower costs, and more stable supply.
擎川新材料特种合金检测实验室

Quality First, Service Supreme
Your Trusted Partner