Catalog excerpts
Material Data Sheet No. 4023 December 1988 Edition
Open the catalog to page 1Nicrofer 7016 TiNb is a precipitation hardenable nickel-chromium-iron alloy containing titanium, niobium and aluminium, exhibiting good corrosion resistance at high and low temperature and high strength up to 820 °C (1500 °F). It can be delivered in the solution-treated or precipitation-hardened condition. Nicrofer 7016 TiNb is characterized by: • high tensile strength up to 600 °C (1100 °F) • high creep and rupture strength up to 820 °C (1500 °F) • high oxidation resistance up to 980 °C (1800 °F) • excellent mechanical properties in cryogenic environments • good corrosion resistance at...
Open the catalog to page 2Table 3 - Typical physical properties at room temperature (or as indicated).
Open the catalog to page 3Table 4a - Minimum mechanical properties at room temperature, metric values.
Open the catalog to page 4Mechanical properties The following properties are applicable to Nicrofer 7016 TiNb in the hot and cold formed, solution-treated or solution-treated and precipitation-hardened condition, and the indicated size ranges. Material outside these size ranges (see availability) with agreed properties are subject to special enquiry.
Open the catalog to page 5Mechanical properties The following properties are applicable to Nicrofer 7016 TiNb in the hot and cold formed, solution-treated or solution-treated and precipitation-hardened condition, and the indicated size ranges. Material outside these size ranges (see availability) with agreed properties are subject to special enquiry. Table 4a - Minimum mechanical properties at room temperature, metric values.
Open the catalog to page 6Table 4b - Minimum mechanical properties at room temperature, imperial values.
Open the catalog to page 7Table 4b - Minimum mechanical properties at room temperature, imperial values.
Open the catalog to page 9Table 5 - Minimum mechanical properties at elevated temperatures after precipitation hardening. Fig. 1 - Typical short-time properties of different precipitation-hardened products at elevated temperatures.
Open the catalog to page 10Metallurgical structure Nicrofer 7016 TiNb has an austenitic structure. The excellent mechanical strength results from precipitation hardening of the matrix gamma phase (y) by formation of gamma prime (y’) phase together with some carbides. By a double ageing heat treatment a dublex gamma prime (y’) structure is formed. Several heat treatments are in use and are described in a special section, see Fig. 3 and Table 6 (°C) and Table 7 (°F). Corrosion resistance Nicrofer 7016 TiNb shows excellent general corrosion resistance at high and low temperatures and high resistance to stress-corrosion...
Open the catalog to page 11Nicrofer ® 7016 TiNb – alloy X-750 Joining The precipitation-hardening alloy Nicrofer 7016 TiNb can be welded by all conventional processes, including gas tungstenarc (GTAW/TIG), gas metal-arc (GMAW/MIG) and shielded metal-arc welding (SMAW/MMA). Low heat input is necessary. Prior to welding, material should be in the annealed condition, clean and free from scale, grease, marking paints etc. A zone approximately 25 mm (1 in.) wide on each side of the joint should be ground to bright metal. Nicrofer 7016 TiNb should be annealed or solution treated prior to welding. A post-weld heat treatment...
Open the catalog to page 12Nicrofer® 7016 TiNb - alloy X-750 Availability Nicrofer 7016 TiNb is available in the following standard mill product forms. Sheet and plate (for cut-to-length availability, refer to strip) Conditions: hot or cold rolled (hr, cr), solution treated or precipitation hardened and pickled Discs and rings Conditions: hot rolled or forged, solution treated or precipitation hardened, pickled or machined Forgings Shapes other than discs, rings, rod and bar are subject to special enquiry.
Open the catalog to page 14Strip* Conditions: cold rolled, solution treated and pickled or bright annealed** The information contained in this data sheet is based on results of research and development work available at the time of printing and does not provide any guarantee of particular characteristics or fit. ThyssenKrupp VDM reserves the right to make changes without notice. The data sheet has been compiled to the best knowledge of ThyssenKrupp VDM and is given without any liability on the part of ThyssenKrupp VDM. ThyssenKrupp VDM is only liable according to the terms of the sales contract and in particular to...
Open the catalog to page 15Imprint Date of publication December 1988 Publisher VDM Metals GmbH Plettenberger Straße 2 58791 Werdohl Germany Disclaimer All information contained in this data sheet are based on the results of research and development work carried out by VDM Metals GmbH, and the data contained in the specifications and standards listed available at the time of printing. The information does not represent a guarantee of specific properties. VDM Metals reserves the right to change information without notice. All information contained in this data sheet is compiled to the best of our knowledge and is...
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