Shandong Jialu International Trade Co., Ltd

Shandong Jialu International Trade Co., Ltd

Din 2448 Pipe

DIN 2448 pipe is a seamless steel pipe produced in accordance with the German Industrial Standard (DIN), which specifies the dimensions, materials, manufacturing methods and quality requirements of steel pipes.

DIN 2448 standard specifies seamless steel pipes of different materials. Common materials include:
St 35.8: Mainly used for boilers and piping systems.
St 45: For pressure pipes and high-temperature applications.
St 52: High-strength steel, suitable for mechanical structures and high-pressure applications.

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Din 2448 Pipe Description

DIN 2448 standard covers seamless steel pipes, which are widely used in machinery manufacturing, engineering construction, boiler manufacturing and other industrial applications.
DIN 2448 pipes usually adopt specific material grades, which represent the chemical composition and mechanical properties of the steel pipe. Common material grades include St35 (E235), St37.4, St45 (E255) and St52 (E355). These material grades have different strength and toughness to adapt to different application environments.

Din 2448 Pipe Technical

1. The chemical composition of each material is slightly different, but generally includes the following elements:
Carbon (C): The content varies according to different grades, usually between 0.17% and 0.50%.
Manganese (Mn): Increases strength and hardness, the content is between 0.40% and 1.70%.
Sulfur (S): exists as an impurity, the content is usually less than 0.045%.
Phosphorus (P): exists as an impurity, the content is usually less than 0.045%.
2.DIN 2448 seamless pipe has excellent mechanical properties, and the specific values ​​vary according to different steel grades. Generally include:
Tensile strength: about 340-630 MPa
Yield strength: about 235-510 MPa
Elongation: usually between 20%-30%

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Din 2448 Pipe Applications

Due to its excellent mechanical properties and wide range of material options, DIN 2448 seamless pipes are mainly used in the following fields:
Machinery manufacturing: used to manufacture various mechanical parts and structural parts.
Engineering construction: used for building structures, bridges and other engineering projects.
Boiler manufacturing: used to manufacture boiler pipes and heat exchangers.
Pressure pipes: Pipe systems used to transport high-pressure fluids.

Din 2448 Pipe Manufacturing Process

The manufacturing process of DIN 2448 seamless pipe includes the following steps:
Raw material preparation: Select steel ingots or billets that meet the standards.
Heating: Heat the billet to a suitable temperature.
Piercing: Use a piercing machine to make the billet into a hollow rough tube.
Rolling: The rough tube is rolled to the required size and wall thickness through hot rolling and cold rolling processes.
Heat treatment: Including normalizing, annealing and other processes to improve the organization and performance of the material.
Inspection: Chemical composition analysis, mechanical property testing, dimensional inspection and non-destructive testing are carried out on the pipe to ensure that the product meets the standard requirements.

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