16MnDG seamless steel pipe is a type of seamless steel pipe specifically designed for low-temperature environments, and is particularly suitable for low-temperature pressure vessels and piping systems. The following is a detailed introduction to 16MnDG seamless steel pipe and its use as a pipe in cryogenic pressure vessels:
First, Basic Overview of 16MnDG Seamless Steel Pipe
Product Type: Seamless Steel Pipe
Standards: GB/T 18984-2016, ASTM A333
Main Applications: Suitable for cryogenic pressure vessel piping and cryogenic heat exchanger piping in temperatures ranging from -45℃ to 195℃.
Second, Chemical Composition and Mechanical Properties of 16MnDG Seamless Steel Pipe
Chemical Composition: The chemical composition of 16MnDG seamless steel pipe must meet specific standards, such as carbon content between 0.12% and 0.20%, silicon content between 0.20% and 0.55%, and manganese content between 1.20% and 1.60%. Simultaneously, the content of phosphorus and sulfur is strictly controlled to ensure the corrosion resistance and mechanical properties of the steel pipe.
Mechanical Properties: 16MnDG seamless steel pipes possess excellent mechanical properties, such as tensile strength between 490 and 665 MPa, yield strength not less than 325 MPa, and elongation (longitudinal) not less than 30%. These properties ensure the stability and reliability of the steel pipes in low-temperature environments.
Third, Application Characteristics of 16MnDG Seamless Steel Pipes
1. Low-Temperature Toughness: 16MnDG seamless steel pipes exhibit good low-temperature toughness, maintaining material integrity and performance in extremely cold environments, making them suitable for various low-temperature pressure vessels and piping systems.
2. Corrosion Resistance: Through controlled chemical composition and advanced production processes, 16MnDG seamless steel pipes possess excellent corrosion resistance, resisting the erosion of various corrosive media.
3. Weldability: 16MnDG seamless steel pipes have good weldability, facilitating various welding operations such as manual arc welding and gas shielded welding, meeting the welding quality requirements of different projects.
Fourth, Market Supply and Price of 16MnDG Seamless Steel Pipe
1. Market Supply: Currently, there are many professional manufacturers and sellers of 16MnDG seamless steel pipes on the market, offering a complete range of specifications to meet the needs of different customers.
2. Price Factors: The price of 16MnDG seamless steel pipes is affected by various factors, such as raw material costs, production processes, and market demand. Therefore, the specific price needs to be determined through negotiation based on market conditions and customer requirements.
In summary, 16MnDG seamless steel pipes, as seamless steel pipes specifically designed for low-temperature environments, possess excellent mechanical properties and corrosion resistance, making them particularly suitable for low-temperature pressure vessels and piping systems. The market has many professional manufacturers and sellers of this product, capable of meeting diverse customer needs.
Post time: Nov-10-2025