
Stainless Steel 309 scrap clean technical specifications and commercial data without element chemical symbols:
Material Identification
Material Grade: Stainless Steel 309 / UNS S30900 / 1.4828
Alloy Class: High-Temperature Austenitic Stainless Steel
Magnetic Nature: Non-magnetic (in fully annealed state)
Scrap Type: Commercial Clean Scrap (free of oil, paint, slag, heavy dirt, scale, and foreign attachments)
Chemical Composition Limits (Percent by Weight)
Chromium: 22.00 to 24.00
Nickel: 12.00 to 15.00
Manganese: 2.00 Maximum
Silicon: 1.00 Maximum
Carbon: 0.20 Maximum
Phosphorus: 0.045 Maximum
Sulfur: 0.030 Maximum
Iron: Balance
Physical Forms and Types
Plate cut-offs and sheet scrap
Solid round bar ends and offcuts
Tube and pipe crop ends
Structural shapes and heavy stampings
Clean industrial drop-offs
Physical and Thermal Properties
Density: 8.00 grams per cubic centimeter
Melting Point Range: 1398 to 1454 degrees Celsius
Continuous Service Temperature: Up to 1000 degrees Celsius in air
Intermittent Service Temperature: Up to 980 degrees Celsius
Quality and Contamination Thresholds
Total Non-Metallic Contamination: Less than 0.5 percent
Moisture Content: Dry / Zero surface fluid
Oil and Grease Attachment: Nil / Solvent-cleaned or degreased
Foreign Alloy Mixing: Zero allowable high-sulfur, leaded, carbon steel, or low-alloy stainless scrap
Primary Industrial Applications for Remelting
Furnace components, baffles, and burner nozzles
High-temperature heat exchangers and boiler parts
Industrial annealing retorts and covers
Chemical processing and refining equipment
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