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Annealing, Normalizing, Quenching and Tempering? One Article to Clarify the Major Knowledge of Heat Treatment for Seamless Tubes
Nov 05,2025

Annealing, Normalizing, Quenching and Tempering? One Article to Clarify the Major Knowledge of Heat Treatment for Seamless Tubes

​Heat treatment is a crucial process in the production of seamless tubes. Different heat treatment processes impart different performance characteristics to seamless tubes. Understanding the distinctions and applications of the th...
"Jin" or "Meter"? The Must-Know Mystery of Measurement Units When Purchasing Seamless Steel Tubes
Nov 04,2025

"Jin" or "Meter"? The Must-Know Mystery of Measurement Units When Purchasing Seamless Steel Tubes

​When purchasing seamless steel tubes, the choice of measurement unit directly impacts procurement costs and material utilization. Understanding the difference between "pricing by weight" and "pricing by length" is a fundamental s...
When buying seamless steel tubes, is "black tube" better or "bright tube" better?
Nov 03,2025

When buying seamless steel tubes, is "black tube" better or "bright tube" better?

​When purchasing seamless steel tubes, many buyers face the dilemma of choosing between "black tube" and "bright tube." These two types of seamless tubes with different surface conditions each have their own characteristics and ar...
How Are
Nov 01,2025

How Are

​The appearance of "pitting" and "dents" on the surface of seamless steel tubes is a common quality defect. These surface imperfections not only affect the product's appearance but, more importantly, reduce the corrosion resistanc...
How is the
Oct 31,2025

How is the

​The pressure-bearing capacity of seamless steel tubes is a crucial parameter in engineering selection, and its calculation is based on principles of material mechanics and industry standard specifications. Understanding how this ...
Is "National Standard" Synonymous with High Quality? A Deep Dive into Quality Differences Behind Seamless Steel Tube Standards
Oct 29,2025

Is "National Standard" Synonymous with High Quality? A Deep Dive into Quality Differences Behind Seamless Steel Tube Standards

When purchasing seamless steel tubes, many users assume that compliance with national standards guarantees high-quality products. However, the reality is often more complex. While national standards establish a foundational baseli...
"Cold-Drawn" vs. "Hot-Rolled" Seamless Steel Pipes: Intuitive Differences in Performance and Appearance
Oct 28,2025

"Cold-Drawn" vs. "Hot-Rolled" Seamless Steel Pipes: Intuitive Differences in Performance and Appearance

​In industrial production, cold drawing and hot rolling are the two main production processes for seamless steel pipes, and they exhibit significant differences in performance and appearance. Understanding these distinctions helps...
Seamless Steel Tubes: The Difference Between
Oct 25,2025

Seamless Steel Tubes: The Difference Between

​In the procurement of seamless steel tubes, the choice between "National Standard" and "Non-Standard" directly impacts project quality and operational safety. These two standards differ not only in their technical specifications ...
Cost-Saving Actually Costs More? Hidden Costs of Low-Priced Seamless Tubes
Oct 24,2025

Cost-Saving Actually Costs More? Hidden Costs of Low-Priced Seamless Tubes

When purchasing seamless tubes, many buyers are often attracted by low quotes, unaware that these seemingly "cost-saving" choices may lead to greater economic losses. Behind low-priced seamless tubes often lie hidden quality risks...
The
Oct 23,2025

The

​During the procurement of seamless steel tubes, buyers often encounter a perplexing situation: seemingly identical seamless steel tube products come with vastly different price quotes from various suppliers. Behind this price dis...
Must-Knows for Seamless Steel Pipe Procurement Detailed Explanation of Common National Standards such as GBT 8163 and GB 9948
Oct 22,2025

Must-Knows for Seamless Steel Pipe Procurement Detailed Explanation of Common National Standards such as GBT 8163 and GB 9948

​In the industrial sector, understanding and mastering relevant national standards is key to ensuring product quality and safety performance when procuring seamless steel pipes. Different national standards have specific regulatio...
Ensuring the "Silent" Operation of Pipelines: How Tenjan Steel Tube Achieves "Zero-Defect" Delivery through NDT
Oct 21,2025

Ensuring the "Silent" Operation of Pipelines: How Tenjan Steel Tube Achieves "Zero-Defect" Delivery through NDT

​In modern industrial systems, seamless steel pipes function like the "blood vessels" of the human body, where their internal quality is directly crucial to the safe operation of the entire system. Changzhou Tenjan Steel Tube Co.,...
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