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Tongsen Fastener Manufacturing

The function of the spring

We know that within the elastic limit, the elongation (or contraction) of the spring is proportional to the external force.

2024-05-22

The current pattern of the spring industry

For the spring industry, for a long time, there has been an oversupply of low-grade ordinary springs.

2024-05-22

What material is generally used for high-strength bolts?

The upper limit of the tensile strength of the material used in high-strength bolts has a lot to do with the quenching treatment.

2024-05-22

Understanding Stainless Steel Expansion in Industrial Applications

Stainless steel expansion is a critical consideration in the engineering and manufacturing sectors, particularly when dealing with fasteners and connectors. Expansion refers to the increase in size of materials when subjected to temperature fluctuations. This phenomenon is particularly relevant for stainless steel, a commonly used material in industrial applications due to its strength, durability

2026-10-04

The Importance of Testing Stainless Steel Pins for Quality Assurance

The Importance of Testing Stainless Steel Pins for Quality Assurance Table of Contents Introduction Understanding Stainless Steel Pins Types of Stainless Steel Pins Applications of Stainless Steel Pins The Need for Quality Assurance Testing Methodologies for Stainless Steel Pins Mechanical Testing Corrosion Resistance Testin

2026-09-27

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