WhatsApp: +86-137-0152-7311   E-mail: Wendy@jld66.com
English
Home » News » Why Have Cold-Drawn Tubes Become a Major Cost Controversy in Manufacturing?

Why Have Cold-Drawn Tubes Become a Major Cost Controversy in Manufacturing?

Views: 0     Author: Site Editor     Publish Time: 2025-10-13      Origin: Site

The reason cold-drawn tubes have become the focus of cost disputes in the manufacturing industry lies essentially in the structural contradiction between their high-precision requirements and rigid high costs, compounded by the combined effects of multiple factors such as raw material fluctuations, process complexity, policy constraints, and supply chain risks. Below is an in-depth analysis of the core causes of this phenomenon from six dimensions:

I. High Sensitivity and Volatility of Raw Material Costs

Raw material costs account for 60%-75% of the total cost of cold-drawn tubes (for ordinary carbon steel) and even a higher percentage (for stainless steel and special alloys). However, steel prices are significantly affected by international market fluctuations, iron ore pricing mechanisms, and domestic environmental policies. Examples include:
  • Steel price volatility: In Q2 2023, the market price of high-quality carbon structural steel rose by 12% year-on-year, directly increasing the production cost of cold-drawn tubes by 8%-10%¹. For every $1/ton increase in international iron ore prices, the cost of cold-drawn tubes rises by approximately 12-15 RMB/ton⁴.
  • Dependence on special materials: The price of special steel billets containing elements such as chromium and molybdenum is 2-3 times that of ordinary materials¹. Meanwhile, the price of 304 stainless steel cold-drawn tubes—commonly used in nuclear power, aerospace, and other fields—can be 3-5 times that of carbon steel cold-drawn tubes²⁷. This material premium directly squeezes the profit margins of downstream enterprises.
  • Supply chain risks: If the steel procurement radius exceeds 500 kilometers, the cost of steel billets increases by 5%-7%¹. Additionally, China’s iron ore import dependence is over 80%¹⁴, and the pricing power of international miners (such as Vale and Rio Tinto) further amplifies the risk of cost volatility.

II. Complexity of Production Processes and High Entry Barriers

The high-precision requirements of cold-drawn tubes (e.g., tolerance of ±0.05mm, surface roughness of Ra≤0.4μm) determine the complexity and high cost of their production processes:
  • Equipment and mold investment: Cold-drawing machines need to be equipped with high-precision servo systems and nano-coated molds. A single set of molds can cost 30,000-80,000 RMB¹⁵, and their service life is limited (ordinary molds have a high wear rate; nano-coated molds can extend the service life to over 80,000 cycles but still incur high costs). Equipment depreciation and mold replacement costs account for 20%-25% of the processing cost¹.
  • Multi-pass processing and energy consumption: The cold-drawing process requires multiple steps, including peeling, cold drawing, annealing, and straightening, resulting in significantly higher energy consumption than the hot-rolling process. For instance, although new continuous cold-drawing units are 30% more energy-efficient than traditional equipment, the gas consumption per ton of products still reaches 45 cubic meters¹, while the unit energy consumption of traditional processes is even higher.
  • Quality control costs: After the implementation of the national standard GB/T3639-2023, the number of inspection items for cold-drawn tubes has increased by 3, raising the inspection cost per batch of products by 800-1,200 RMB¹. For PED-certified products used in pressure vessels, the process cost premium reaches 18%-22%¹.

Notes on Key Terms:

  1. Structural contradiction (结构性矛盾): Accurately conveys the inherent, long-term conflict between "high precision" and "high cost" that cannot be easily resolved, avoiding over-simplification as a "common problem".

  2. Rigid high costs (高成本刚性): Uses "rigid" to emphasize that the high costs of cold-drawn tubes (e.g., equipment, molds) are unavoidable and difficult to reduce in the short term, aligning with industrial production realities.

  3. Industry-specific standards/certifications: Retains original designations such as "GB/T3639-2023" (national standard) and "PED" (Pressure Equipment Directive) for clarity, as they are universally recognized in global manufacturing, ensuring professional readers (e.g., overseas buyers, engineers) understand the context of cost increases.


    III. Differentiation of Downstream Industry Demand and Difficulties in Cost Pass-through

    Cold-drawn tubes are used across high-end manufacturing sectors such as automotive, aerospace, energy, and medical devices. However, the sensitivity to costs varies significantly across different fields:

    1. Rigid Demand in High-Value-Added Sectors

    In aerospace, nuclear power, and other high-end fields, the high precision and corrosion resistance of cold-drawn tubes are irreplaceable, while buyers are relatively insensitive to prices. For example, the procurement price of cold-drawn tubes used in the hydraulic pipeline system of the C919 commercial aircraft is 58 times that of industrial-grade cold-drawn tubes⁸. This type of market provides profit margins for cold-drawn tube manufacturers.

    2. Cost Pressure in Mass Manufacturing

    In large-scale application scenarios such as automotive and construction machinery, cold-drawn tubes serve as key components (e.g., hydraulic system tubes, drive shafts), and their cost accounts for a relatively high proportion of the total machine cost. For instance, the trend of lightweight new energy vehicles has driven demand for thin-walled cold-drawn tubes, but automakers impose strict cost controls—this directly compresses the profit margins of cold-drawn tube suppliers.

    3. Demand Fluctuations and Overcapacity

    Demand fluctuations in infrastructure investment cycles (e.g., water conservancy projects, urbanization construction) and emerging industries (e.g., photovoltaic brackets, hydrogen energy storage and transportation) directly impact cold-drawn tube prices. In 2023, the procurement volume of seamless cold-drawn tubes for water conservancy projects increased by 25%, driving prices up by 5%-8%¹. Conversely, during periods of macroeconomic downturn, regional overcapacity (e.g., the Yangtze River Delta region accounts for 42% of national cold-drawn tube production capacity) may trigger price wars among manufacturers.

    Key Translation Notes:

    1."成本转嫁困境" (Difficulties in Cost Pass-through): Uses "cost pass-through" (a common economic term) to accurately describe the challenge of transferring cold-drawn tube manufacturers’ rising costs to downstream buyers, avoiding vague expressions like "cost transfer problems".

    2."高附加值领域" (High-Value-Added Sectors): Retains the industry-standard term to highlight fields with high profit potential, aligning with how global manufacturing categorizes high-end markets.

    3.Regional and Industry-Specific References: Preserves specific examples such as "C919 commercial aircraft" and "Yangtze River Delta region" with direct translations, as these are internationally recognized names that help overseas readers understand the context of demand and capacity distribution.

    4.Data Consistency: Maintains the original citation markers (e.g., ⁸, ¹) for price and volume data, ensuring the credibility of cost-related claims in a professional context.hard-chromed-plated-rod-1


Jiangyin Carridea Technology Co., Ltd

QUICK LINKS

PRODUCT CATEGORY

CONTACT US
 Tel:+86-137-0152-7311
 E-mail: Wendy@jld66.com
 Address: No. 1015, Zhencheng Road, Lingang Street, Jiangyin City
Copyright 2023 ©Jiangyin Carridea Technology Co., Ltd All rights reserved Sitemap | Privacy Policy | Support By Leadong