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How Long Can Stainless Steel Pipe Fittings Be Used? ——Material, Process, Wall Thickness, Heat Treatment, All Affect The Service Life
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How Long Can Stainless Steel Pipe Fittings Be Used? ——Material, Process, Wall Thickness, Heat Treatment, All Affect The Service Life

Publish Time: 2025-06-17     Origin: Site

Stainless steel pipe fittings are widely used in key industrial scenarios such as petroleum, chemical, energy, and control pipelines. Their service life is not static, but is affected by a variety of factors. Mastering the following 4 core elements will help with scientific selection and maintenance and extend the service life:

1. Material differences affect life

Stainless steel materials such as 304, 304L, 316, 316L, 310S, etc. have different corrosion resistance and applicable environments due to differences in chemical composition. Low-carbon types (such as 304L and 316L) are more suitable for environments with high corrosion resistance requirements. The selection of high-quality materials is the first step in determining the life of pipe fittings.


2. Forming process determines performance

The "cold extrusion" process can achieve high surface finish and dimensional accuracy, which is suitable for scenes requiring high sealing. The "bulging" process has stable forming and controllable wall thickness changes, which is conducive to maintaining overall strength and connection reliability. Reasonable selection of processes directly affects the long-term performance of the product.


3. Wall thickness affects connection safety

The wall thickness of pipe fittings is related to connection strength and durability. Insufficient wall thickness may cause failure of compression and welding connection, burying leakage hazards. When designing and selecting, ensure that the wall thickness of pipe fittings and pipes is consistent and meets the corresponding standards to ensure stable operation of the system. A professional quality inspection team at MTSCO conducts a series of inspections and tests on pipe fittings, including conventional aspect, PMI, size, quantity, and non-destructive testing. For welded pipe fittings we carry out 100% ultrasonic or radiographic testing of the raw material and pipe fittings.


4. Solution treatment improves corrosion resistance

Solution treatment releases processing stress through high-temperature heat treatment, improves metal structure, improves stress corrosion and fatigue resistance. It can also restores surface brightness to enhance overall aesthetics. Reliable solution process is the key link to ensure the long-term durability of stainless steel pipe fittings.


MTSCO is deeply engaged in the manufacturing of stainless steel pipes and fittings, and its products cover a variety of high-performance materials such as austenitic steel, duplex steel and nickel alloy. Selecting stainless steel pipe fittings that are strictly controlled and meet international standards can effectively improve system safety and service life. MTSCO always adheres to high-standard production and provides reliable industrial pipeline solutions for global customers.

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