DIN2391-94C cold-drawn precision seamless steel tube is a high-precision and high-performance steel tube product. The following is a detailed introduction:
First, an overview of DIN2391-94C cold-drawn precision seamless steel tubes:
DIN2391-94C cold-drawn precision seamless steel tubes are precision steel tubes manufactured according to the DIN 2391-1994 standard. The production process of DIN2391-94C cold-drawn precision seamless steel tubes mainly includes precision drawing of high-quality carbon steel, non-oxidizing bright heat treatment (such as NBK condition), non-destructive testing, internal wall brushing and high-pressure washing, rust prevention treatment, and dustproof sealing. These processes ensure the high precision and high surface finish of the inner and outer walls of DIN2391-94C cold-drawn precision seamless steel tubes, as well as their ability to withstand high pressure, remain undeformed during cold bending, and exhibit crack-free flaring and flattening.
Second, the main characteristics of DIN2391-94C cold-drawn precision seamless steel tubes:
High precision and high surface finish: The inner and outer walls of DIN2391-94C cold-drawn precision seamless steel tubes undergo precision processing, resulting in low surface roughness and excellent surface finish and precision.
High-pressure resistance: DIN2391-94C cold-drawn precision seamless steel tubes have high pressure resistance, making them suitable for use in high-pressure environments.
No deformation during cold bending: DIN2391-94C cold-drawn precision seamless steel tubes are not easily deformed during cold bending, ensuring their stability and reliability during use.
No cracks after flaring and flattening: DIN2391-94C cold-drawn precision seamless steel tubes do not exhibit cracks after flaring and flattening tests, demonstrating excellent mechanical properties.
Third, Main Applications of DIN2391-94C Cold-Drawn Precision Seamless Steel Tubes
DIN2391-94C cold-drawn precision seamless steel tubes are mainly used in fields with high requirements for precision, surface finish, cleanliness, and mechanical properties, such as:
Hydraulic Systems: DIN2391-94C cold-drawn precision seamless steel tubes are used to manufacture hydraulic cylinders, hydraulic valves, and other hydraulic components, ensuring the stability and reliability of hydraulic systems.
Automotive Systems: DIN2391-94C cold-drawn precision seamless steel tubes are used to manufacture automotive parts, such as steering gears and shock absorbers, improving the comfort and safety of vehicles.
Machine Tool Systems: DIN2391-94C cold-drawn precision seamless steel tubes are used to manufacture key components such as machine tool guideways and spindles, improving the precision and stability of machine tools.
Fourth, Delivery Conditions and Mechanical Properties of DIN 2391-94C Cold-Drawn Precision Seamless Steel Tubes
According to the DIN 2391-1994 standard, DIN 2391-94C cold-drawn precision seamless steel tubes are available in various delivery conditions, such as bright-drawn hard state (BK), bright-drawn soft state (BKW), bright-drawn stress-relieved annealed state (BKS), annealed state (GBK), and normalized state (NBK). Steel tubes in different delivery conditions have different mechanical properties, such as tensile strength, yield point, and residual elongation.
Fifth, Precautions for DIN 2391-94C Cold-Drawn Precision Seamless Steel Tubes
Choosing the Appropriate Delivery Condition: Select the appropriate delivery condition based on specific application requirements to ensure the mechanical and performance characteristics of the DIN 2391-94C cold-drawn precision seamless steel tubes.
Note the following regarding the storage and transportation of DIN2391-94C cold-drawn precision seamless steel pipes: During storage and transportation, avoid damage or deformation of the DIN2391-94C cold-drawn precision seamless steel pipes to ensure their quality and performance.
Conduct quality acceptance: Upon receiving DIN2391-94C cold-drawn precision seamless steel pipes, a quality acceptance inspection should be conducted to check whether the dimensions, precision, surface finish, and mechanical properties of the DIN2391-94C cold-drawn precision seamless steel pipes meet the standards and requirements stipulated in the contract.
Post time: Mar-27-2026