DIN 1.4404 Round Stainless Steel Pipe

1.4404 steel pipe is a stainless steel material, also known as 316L. It includes chromium (16%), nickel (10%), molybdenum (2%) and iron (72%). This material's high strength, corrosion resistance, and high temperature resistance make it widely used in manufacturing machinery, chemical equipment, and medical devices.
In addition, 1.4404 acid-resistant steel pipe is also suitable for marine applications and can be used in the manufacture of ships and submersibles, etc. due to its anti-rust properties. The material is an excellent alternative to more costly materials and provides long-term reliability and service life in many areas.

1.4404 is a low carbon grade of 1.4401 steel. It shows good acid resistance. It is not susceptible to grain boundary carbide precipitation and therefore is not affected by sensitization. It is mainly used for welded parts thicker than 0.2 inches. The austenitic structure also provides the strong toughness of these stainless steel grades, even at lower temperatures down to absolute zero (-273 degrees Celsius). Its carbon content is lower than its family grade 1.4401 steel counterpart. Although 1.4404 has a lower carbon content, it is very similar to 1.4401 in most commercial and industrial applications.

DIN 1.4404 Pipes Seamless Pipes Equivalent Grades

DIN 1.4404 SS Pipes Mechanical Properties

DIN 1.4404 Seamless Pipes

1.4404 is a German DIN standard stainless steel material, also known as 316L stainless steel.
1. Matrix data:
- Density: 7.98 g/cm³
- Melting point: 1398-1420°C
- Linear expansion coefficient: 16.5-18.5 ×10^-6 /K
- Thermal conductivity: 15-16 W/(m·K)
- Resistivity: 0.7 Ω/mm²
- Magnetic permeability: 1.008 H/m
- Modulus of elasticity: 193 GPa
- Ultimate tensile strength: ≥480 MPa
- Yield strength: ≥170 MPa
- Elongation at break: ≥40%

use:
1.4404 stainless steel is widely used in the following fields:
Chemical industry: such as acidic medium storage equipment, pipelines, valves, etc.
Food processing industry: such as food storage equipment, food contact materials, etc.

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