DIN 30670 is the core technical standard for polyethylene anti-corrosion coatings applied to buried steel pipelines for gas and water supply in Germany. The peel strength test for 3PE coatings under this standard focuses on verifying the adhesion between the coating and the substrate as well as interlayer adhesion. All test operations must strictly comply […]
Food-grade FBE is a food-contact epoxy powder coating that is electrostatically sprayed at room temperature and fused/cured at high temperatures (above 180°C). It features non-toxicity, corrosion resistance, a smooth and easy-to-clean surface, and resistance to microbial growth. Widely used in industries with strict hygiene requirements such as food, beverage, and pharmaceutical manufacturing, it provides reliable […]
1. Core Classification and Technical Characteristics of FBE Coating Thickness FBE coatings are categorized into three types based on thickness: Single-Layer Basic Type, Single-Layer Reinforced Type, and Dual-Layer Composite Type, with their performance increasing in a stepped manner as thickness increases: Coating Type Thickness Range Core Characteristics Process Features Single-Layer Basic 300-400 μm Adhesion strength […]
FBE steel pipes refer to Fusion Bonded Epoxy Coated Steel Pipes. Their operating temperature mainly depends on the heat resistance of the FBE coating, with the core applicable temperature range and influencing factors as follows: I. Core Operating Temperature Range According to industry standards for FBE coatings (e.g., GB/T 23257-2017 Polyethylene Anticorrosive Coatings for Buried […]
The transportation and storage of Fusion-Bonded Epoxy (FBE)-coated steel pipes are critical links in ensuring their corrosion protection performance. Although FBE coatings exhibit excellent corrosion resistance, they are relatively brittle with poor impact and scratch resistance, and are sensitive to ambient temperature, humidity, and mechanical forces. Therefore, standardized transportation and storage management is essential to […]
Repair of FBE anti-corrosion steel pipes (Fusion Bonded Epoxy anti-corrosion steel pipes) must comply with strict standards and specifications to ensure that the anti-corrosion performance of the repaired coating matches the original coating and guarantee the long-term operational safety of the pipeline. The following details the repair standards, repair methods, and quality inspection from three […]
FBE (Fusion Bonded Epoxy) anti-corrosion steel pipes use steel pipes as the matrix, and the epoxy powder is melted and cured on the surface of the steel pipes through high-temperature spraying to form an anti-corrosion layer. To improve the service life of FBE anti-corrosion steel pipes, efforts can be made in multiple links such as […]
FBE (Fusion-Bonded Epoxy) anticorrosive coating inspection standards encompass international, national, and industry specifications, focusing primarily on coating performance parameters and acceptance requirements. Below is a detailed overview of the core standard systems and key technical indicators: I. International Standard System ISO 21809 Series ISO 21809-1:2018: Specifies that the FBE primer layer thickness in 3-layer polyethylene […]
During the heat treatment process of steel pipes, various defects may occur due to improper process parameters, equipment failures, or operational errors. The following is a detailed analysis of common defects and their preventive measures: I. Defects in the Heating Stage Oxidation and DecarburizationDefect manifestation: An oxide scale (Fe₃O₄, Fe₂O₃) forms on the surface of […]
The mechanical properties analysis of galvanized pipes requires a comprehensive evaluation based on material properties, galvanizing process and application scenarios. The following is a detailed analysis based on the latest industry standards and research data: I. Basic materials of galvanized pipes 1. Substrate type 1. Carbon steel: commonly used Q195, Q215, Q235 (corresponding to American […]
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