1-12 of 139 results
Leakage Failure Analysis of an Ultra-High-Pressure Ethylene Plant Pipeline
- Jan 31, 2026
- Hits: 17
Abstract: Leakage in ultra-high-pressure steam pipelines is a common issue in ethylene plants. This study investigates the causes of leakage in an ultra-high-pressure pipeline at an ethylene...
Delamination Defects in High-Strength Low-Alloy Steel Pipes: Causes, Analysis, and Process Optimization
- Dec 30, 2025
- Hits: 28
Abstract: Microscopic morphology observations and thermodynamic analysis indicate that the delamination defects in 374.65 mm × 18.65 mm 110S casing resulted from an excessive concentration...
Cause Analysis and Solutions for Oblique Cracks in Welded Low-Alloy Steel Square Tubes
- Nov 30, 2025
- Hits: 25
Abstract: This paper examines the formation of oblique weld cracks in square tubes made from Q355B low-alloy hot-rolled steel strip and analyzes the underlying causes. A 7.75 mm steel strip...
Impact Sampling Methods for Thin-Walled Austenitic Stainless Steel Seamless Pipes
- Oct 30, 2025
- Hits: 30
Abstract: ASTM A370-2022 requires surface removal for impact specimens, which conflicts with ASME B31.3-2022, where undercooling must be considered if the notch width is less than 80% of the material...
Analysis of Weld Seam Cracking in 441 Stainless Steel Pipes During Flaring
- Oct 27, 2025
- Hits: 13
Abstract: This study investigates weld seam cracking that occurred during the flaring process of 441/2D plate welded pipes produced by Jiugang and provides a comparative analysis with materials from...
The Standardized Selection of Pipes and Fittings in Residential Community Water Supply Projects
- Sep 30, 2025
- Hits: 42
Abstract The safe operation of residential community water supply systems is closely tied to the proper selection of pipes and fittings. This study examines the technical regulations designed to...
High-Alloy Cr-Mo Steel Plate for High-Temperature Pipes: Microstructure and Mechanical Properties
- Sep 30, 2025
- Hits: 13
Abstract This study examines the production process, associated challenges, implemented countermeasures, and performance characteristics of high-alloy Cr-Mo steel plates for high-temperature-resistant...
Submarine Water Pipeline Design for Zhanjiang Jianjiang Water Supply Project
- Aug 24, 2025
- Hits: 9
Abstract: To improve the stability and safety of water supply systems, a construction plan for a submarine water pipeline was developed. Using the Zhanjiang Jianjiang Water Supply Hub Project...
Using Stainless Steel Welded Pipes to Replace Seamless Pipes in Heat Exchangers
- Jul 30, 2025
- Hits: 28