0Cr19Ni10NbN Austenitic Stainless Tool Steel Introduction
0Cr19Ni10NbN, also known as S30478, is one of the most widely used austenitic stainless tool steels in the world due to its combination of good impact toughness, excellent corrosion resistance and relatively low cost. 0Cr19Ni10NbN has been used in the production of a wide range of products such as medical equipment, kitchenware, aerospace components and motor vehicle parts.
Chemical Composition
The chemical composition of 0Cr19Ni10NbN austenitic stainless tool steel is outlined in the following table.
Element Content (%)
Carbon, C 0.07
Manganese, Mn 2.00
Silicon, Si 1.00
Phosphorus, P 0.045
Sulfur, S 0.03
Nickel, Ni 9.00 – 11.00
Chromium, Cr 18.00 – 20.00
Nitrogen, N 0.50
Molybdenum, Mo 2.00
Titanium, Ti 0.20
Boron, B 0.01
Mechanical Properties
The mechanical properties of 0Cr19Ni10NbN austenitic stainless tool steel are given in the following table.
Properties Metric Imperial
Tensile strength 310 MPa 44900 psi
Yield strength 200 MPa 29000 psi
Elongation at break (in 200mm length) 45% 45%
Reduction of area 60% 60%
Hardness (Rockwell) A 90 90
Heat Treatment
0Cr19Ni10NbN austenitic stainless tool steel is not heat treatable and can only be hardened by cold working.
Welding
0Cr19Ni10NbN austenitic stainless tool steel can be readily welded using conventional welding techniques and can be successfully joined to other stainless steels including 304 and 316. It is also easy to weld to mild steel and other dissimilar metals. When welding 0Cr19Ni10NbN austenitic stainless tool steel, it is important to choose an appropriate welding power source and welding technique to prevent hot cracking.
Applications
The robust mechanical properties and excellent corrosion resistance of 0Cr19Ni10NbN austenitic stainless tool steel make it suitable for a variety of applications including:
• Automotive components
• Food processing equipment
• Manufacturing equipment
• Medical equipment
• Aerospace components
• Electrical components
• Architectural decoration
• Kitchenware
• Home appliances
• Industrial valves
• Hand tools
• Fasteners
Conclusion
0Cr19Ni10NbN austenitic stainless tool steel is one of the most popular grades on the market due to its combination of good impact toughness, excellent corrosion resistance and relatively low cost. It is ideal for a range of applications including automotive components, food processing equipment and medical devices. Welding 0Cr19Ni10NbN austenitic stainless tool steel is relatively easy as long as the right welding power source and technique are used.