Stainless Steel 310, combining excellent high temperature properties with good ductility and weldability, is designed for high temperature service. It resists oxidation in continuous service at temperatures up to 1150°C provided reducing sulphur gases are not present. It is also used for intermittent service at temperatures up to 1040°C. Stainless Steel 310S (UNS S31008) is used when the application environment involves moist corrodents in a temperature range lower than that which is normally considered “high temperature” service. The lower carbon content of 310S does reduce its high temperature strength compared to 310. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Key Properties | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
These properties are specified for product (flange, pipe fittings and pipes) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications. CompositionTypical compositional ranges for grade 310 stainless steels are given in table 1. Table 1. Composition ranges for 310 grade stainless steel
Mechanical PropertiesTypical mechanical properties for grade 310 stainless steels are given in table 2. Table 2. Mechanical properties of 310 grade stainless steel
Physical PropertiesTypical physical properties for annealed grade 310 stainless steels are given in table 3. Table 3. Physical properties of 310 grade stainless steel in the annealed condition
Grade Specification ComparisonApproximate grade comparisons for 310 stainless steels are given in table 4. Table 4. Grade specifications for 310 grade stainless steel
WeldingGood characteristics suited to all standard methods. Stainless Steel 310S electrodes generally recommended for fusion welding. AS 1554.6 pre-qualifies welding of 310 with Grade 310 rods or electrodes. “Dual Certification”Stainless Steel 310 and Stainless Steel 310S are sometimes stocked in “Dual Certified” form – mainly in Stainless Steel 310 Tube and Stainless Steel 310S Pipe. These items have chemical and mechanical properties complying with both 310 and 310S specifications. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ApplicationsTypical applications include: • Furnace parts • Oil burner parts • Carburising boxes • Heat Treatment baskets and jigs • Heat Exchangers • Welding filler wire and electrodes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Source: wilsonpipeline Pipe Industry For more information on this source please visit: wilsonpipeline Pipe Industry . |
Tuesday, January 4, 2022
Stainless Steel 310 (UNS S31000) And 310S (UNS S31008)
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