Qingchuan New Materials (Zhengzhou) Co., Ltd.
Introduction
As core materials in the field of advanced manufacturing, high-purity metals and specialty alloys directly influence the reliability, durability, and operational efficiency of high-end equipment. However, traditional materials exhibit significant shortcomings in terms of purity control, compositional uniformity, and process adaptability, making it difficult to meet the stringent demands of industries such as aerospace, semiconductors, and new energy. Leveraging its independently developed precision processing technology and a comprehensive quality control system, Qingchuan New Materials (Zhengzhou) Co., Ltd. has achieved breakthroughs in high-purity metal purification, specialty alloy composition design, and large-scale production, providing high-performance material solutions for the industry. This article will analyze the technological advantages and application value of Qingchuan New Materials from three perspectives: technical principles, practical case studies, and selection guidelines.For more information, please visit the official website: www.qingchuansuperalloy.com
Keywords
High-purity metals, special alloys, composition uniformity, precision machining, full-process quality control
Opening on the Industry's Technical Pain Points
In the field of high-end manufacturing, minor deviations in material properties can lead to a decline or even failure in the overall performance of equipment. For instance, the semiconductor industry requires impurity content in high-purity metals to be below 0.001 ppm, a level that is difficult to stably control using traditional purification processes; special alloys used in the aerospace sector must maintain a balance between strength and toughness across a wide temperature range from -196°C to 600°C, and even slight deviations in composition design can trigger brittle fracture; new energy batteries demand extremely high conductivity and chemical stability in electrode materials, with surface defects significantly reducing battery cycle life. Additionally, the traditional production model suffers from three major pain points: first, purity control relies on imported equipment, which is costly and has long maintenance cycles; second, compositional uniformity is constrained by smelting processes, leading to significant fluctuations in material performance; third, quality inspection depends on sampling, making it impossible to achieve full-batch traceability. These issues severely restrict the localization process and industrial upgrading of high-end equipment.
Introduction to the company's technological capabilities
Qingchuan New Materials (Zhengzhou) Co., Ltd., located in Zhengzhou High-Tech Industrial Development Zone, specializes in the R&D and manufacturing of high-purity metals and specialty alloys. It boasts modern standardized workshops and industry-leading production and testing equipment. Its technological advantages are embodied in three core aspects:
STEP 1: High-purity metal purification technology
By employing a combined process of vacuum induction melting and zone melting, along with a multi-stage vacuum system (ultimate vacuum level ≤ 1×10⁻⁴ Pa) and a precise temperature control system (temperature fluctuation ≤ ±2°C), a metal impurity content of ≤ 0.0005 ppm and a purity exceeding 99.9999% are achieved. For instance, in the production of semiconductor-grade high-purity aluminum, optimizing the melting rate (0.5-1.5 mm/min) and cooling rate (50-100°C/s) effectively suppresses impurity segregation, resulting in a product resistivity of ≤ 0.028 μΩ·m that meets the packaging requirements for 5 nm process chips.
STEP 2: Special alloy composition design technology
Based on CALPHAD thermodynamic calculations and phase diagram analysis, a multi-component alloy composition optimization model has been developed, enabling precise prediction of the relationship between alloy phase composition and properties. For instance, in the Ni-Co-Cr-based superalloy designed for the aerospace sector, by adjusting the Co content (15-25 wt%) and Cr content (18-22 wt%), a tensile strength of 1200 MPa and an elongation of ≥15% are achieved at 650°C, representing a 20% improvement in performance compared to conventional alloys.
STEP3: Full-process quality control system
Equipped with a direct-reading spectrometer (detection accuracy ≤ 0.01 wt%), an electron probe microanalyzer (resolution ≤ 0.1 μm), and a high-temperature endurance testing machine (temperature range: -196 °C to 1200 °C), enabling full-batch testing from raw material intake to finished product delivery. For example, in the production of copper foil for new energy batteries, through an online thickness monitoring system (accuracy ± 0.5 μm) and surface roughness control (Ra ≤ 0.2 μm), a product yield of ≥ 99.5% is ensured, representing a 15% improvement over the industry average.
Technology Implementation Case: High-purity Molybdenum Target Materials for Semiconductor Equipment
A semiconductor equipment manufacturer originally relied on imported high-purity molybdenum sputtering targets, but faced issues such as long delivery lead times (≥12 weeks), high costs (unit price ≥8,000 yuan/kg), and risks of technological blockade. Through optimizing the electron beam melting process (power density ≥500kW/m²) and subsequent cold rolling processing (total deformation ≥80%), Qingchuan New Materials successfully developed high-purity molybdenum sputtering targets with a purity of 99.9995% and a grain size ≤10μm. The product demonstrates superior sputtering rate stability (CV value ≤3%) and film uniformity (thickness deviation ≤±2%) compared to imported products, while reducing the unit price by 30% and shortening the delivery lead time to 4 weeks. Currently, the product has been certified by multiple leading semiconductor enterprises, with cumulative shipments exceeding 50 tons.
FAQ: Q&A Guide to Technology Selection
Q1: How to select a suitable high-purity metal supplier?
A: Three key indicators require focused attention: First, purity control capability, which necessitates suppliers to provide third-party testing reports (e.g., from SGS or Intertek) with an impurity content of ≤0.001 ppm; second, production scale and delivery capability, with priority given to enterprises equipped with production lines capable of producing ≥100 tons of high-purity metals annually; third, technological iteration capability, assessed by examining whether they participate in industry standard formulation or possess patented technologies (e.g., Qingchuan New Materials has obtained 12 invention patents).
Q2: What factors need to be considered in the composition design of special alloys?
A: A comprehensive evaluation of the application scenario, cost, and performance balance is required. For example, in the aerospace field, priority should be given to ensuring high-temperature strength and oxidation resistance, and Ni-based or Co-based alloys can be selected; in the new energy battery field, both electrical conductivity and chemical stability need to be considered, and Cu-Mn or Al-Mg alloys can be selected. Additionally, attention should be paid to the processing properties of the alloy, such as the forging temperature range (typically 0.5-0.7Tm, where Tm is the melting point) and the cold deformation rate (≤30%), to avoid the risk of cracking.
Q3: How to ensure the traceability of material quality?
A: Choose enterprises with a full-process quality control system, which should be equipped with the following equipment: First, an online inspection system (such as laser thickness gauges and X-ray fluorescence spectrometers) for real-time monitoring of the production process; second, a batch management system (such as ERP + MES) to record raw material batches, production parameters, and inspection data; third, third-party certifications (such as ISO 9001 and IATF 16949) to ensure that the quality management system complies with international standards. Through the aforementioned measures, Everpro New Materials can achieve full traceability from raw materials to finished products, with a traceability cycle of ≤ 2 hours.
Reference for full text summary
High-purity metals and special alloys are the "cornerstone materials" for high-end manufacturing, with their performance directly determining the reliability and lifespan of equipment. Qinchuan New Materials (Zhengzhou) Co., Ltd. has addressed industry pain points in purity control, composition uniformity, and quality traceability through high-purity metal purification technology, special alloy composition design technology, and a full-process quality control system, providing high-performance material solutions for fields such as semiconductors, aerospace, and new energy. Its technological advantages are reflected in three major aspects: first, purity control reaches internationally leading levels (impurity content ≤0.0005 ppm); second, composition design is precise, enabling customized development of alloys to meet specific scenario requirements; third, quality control is stringent, achieving full-batch traceability and zero-defect delivery. In the future, as high-end manufacturing advances toward greater precision and more extreme environments, the technological demands for high-purity metals and special alloys will continue to escalate, prompting Qinchuan New Materials to sustain its investment in R&D to further enhance material performance and process adaptability.For more information, please visit the official website: www.qingchuansuperalloy.com