1/4 Inch-20 Inch Stainless Steel Seamless Pipe DIN 1.4301

DIN 1.4301 SS Pipe Seamless Stainless Steel Pipe Diameter 1/4 inch -20 inch

EN 1.4301 Stainless Steel (X5CrNi18-10)

DIN EN 1.4301 stainless steel (X5CrNi18-10) is a conventional austenitic stainless steel with good resistance to atmospheric, organic and inorganic chemicals. This material is widely used due to its excellent intergranular corrosion resistance, good cold deformability, good deep drawability and weldability.

1.4306 (X2CrNi19-11) and 1.4307 (X2CrNi18-9) are ultra-low carbon versions of 1.4301. The purpose is to improve the corrosion resistance after welding and prevent carbide precipitation caused by stress relief for a long time.

DIN 1.4301 Magnetic

EN X5CrNi18-10 is non-magnetic in the annealed state, but it may become slightly magnetic due to the addition of martensite or ferrite during cold working or welding.

X5CrNi18-10 Datasheet

The following tables and lists give the SS 1.4301 datasheet including chemical composition, physical properties and mechanical properties etc.

DIN EN 1.4301 Chemical Composition

The following table shows the chemical composition of 1.4301 material base on cast analysis.

Notes:

• EN 10088-2: Technical delivery conditions for stainless steel sheet/plate and strip of corrosion resisting steels for general purposes; Particular ranges of sulfur content may provide improvement of particular properties. For machinability a controlled sulfur content of 0,015 % to 0,030 % is recommended and permitted. For weldability, a controlled sulfur content of 0,008 % to 0,015 % is recommended and permitted. For polishability, a controlled sulfur content of 0,015 % max is recommended.
• EN 10088-3: Technical delivery conditions for semi‑finished stainless steel products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes.

Material X5CrNi18-10 Mechanical Properties

The following table gives the SS 1.4301 mechanical properties in the solution-annealed condition for steel sheet, steel plate and steel strip.

Physical Properties

Notes:

• 10-6·K-1 = 10-6/K
• 1 Ω·mm²/m = 1 μΩ·m
• 1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
• 1 GPa = 1 kN/mm2
• 1 MPa = 1 N/mm2

Welding

EN 1.4301 stainless steel can be easily welded by various conventional welding methods, but since the material is not resistant to intergranular corrosion after welding, if it is necessary to weld larger parts and cannot perform solution annealing after welding, 1.4307 stainless steel should be selected. The surface state has a relatively large influence on the corrosion resistance of the steel, so that the polished surface generally has superior corrosion resistance than the rough surface.

Corrosion Resistance

DIN EN 1.4301 stainless steel has good atmospheric corrosion resistance up to 300 °C, and good resistance to many (lightly corrosive) organic and inorganic chemicals. It can also be used at very low temperatures, but there are some limitations in marine, coastal and chloride-containing solutions.

Heat Treatment

• Solution annealing: 1000 – 1100 ℃ (cooling: water, air)
• Hot forming: 1200 – 900 ℃ (cooling: air)

Hardening

EN 1.4301 stainless steel cannot be hardened by heat treatment, but can be hardened by cold working.

Applications

Due to its good corrosion resistance, processability and weldability, EN 1.4301 stainless steel is widely used in chemical, tableware, watches, auto parts, medical equipment, architectural decoration, aerospace and electrical appliances.

DIN 1.4301 Material Equivalent Grades

EN 1.4301 stainless steel (X5CrNi18-10) equivalent to US ASTM AISI SAE, ISO, European Union (Germany DIN, British BSI, France NF…), Japanese JIS and Chinese GB standard (For reference).

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