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What is GB/T5310-2023 seamless steel pipe for high pressure boiler

Feb 11,2025

What is GB/T5310-2023 seamless steel pipe for high pressure boiler

1. Definition and use

Definition: GB/T5310-2023 seamless steel pipe for high-pressure boiler is a kind of seamless steel pipe produced in accordance with the national standard GB/T5310-2023.

Uses: Mainly used in the manufacture of key components such as superheater pipes, reheater pipes, trachea, and main steam pipes for high-pressure and ultra-high-pressure boilers.In addition, it can also be used for heating surface pipes of low and medium pressure boilers, economizers, and pipes for the petrochemical industry.

2. Material and performance

Material: GB/T5310-2023 seamless steel pipes for high-pressure boilers are mainly made of high-quality carbon structural steel, alloy structural steel, stainless steel and heat-resistant steel.

Performance: These steel pipes need to have high lasting strength, high oxidation and corrosion resistance, and good organizational stability.They can withstand various stresses in high-pressure and high-temperature working environments, and ensure the safe operation of the boiler.

3. Specifications and dimensions

Specification range: GB/T5310-2023 has a wide range of specifications for seamless steel pipes for high-pressure boilers, with an outer diameter of up to 6mm1240mm and a wall thickness of up to 1mm200mm.

Dimensional accuracy: Through various production processes such as fine drawing, brightening, hot rolling, cold drawing, and hot expansion, the dimensional accuracy and performance requirements of steel pipes are accurately guaranteed.

4. Production process and quality control

Production process: The production process of seamless steel pipe includes raw material preparation, smelting, rolling, heat treatment, non-destructive testing and other links.Among them, the rolling process includes two methods: hot rolling and cold drawing to meet different specifications and performance requirements.

Quality control: In the production process, GB/T5310-2023 seamless steel pipes for high-pressure boilers need to undergo a series of strict inspections and tests, including appearance inspection, dimensional inspection, metallographic inspection, tensile testing, impact testing, hardness testing, etc.These inspections and tests ensure that the quality and performance of steel pipes meet national standards and user requirements.

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