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303 Stainless Steel Round Rod, Unpolished (Mill) Finish, AMS 5640/ASTM A582/AMS QQ-S 764, 2.375" Diameter, 12" Length
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About 303 Stainless Steel Round Rod, Unpolished
The 303 stainless steel round rod has an unpolished (mill) surface; meets SAE Aerospace Material Specifications AMS 5640 and QQ-S-764 specifications and American Society for Testing and Materials International ASTM A582 specifications; and has a standard tolerance. The 303 stainless steel grade offers better machinability than general-purpose 304 stainless steel with slightly less corrosion resistance. An austenitic stainless steel, 303 is typically nonmagnetic and can be cold worked to increase its hardness and strength while maintaining most of its formability.Stainless steel is an iron alloy with resistance to staining and rusting in many environments where steel would typically degrade. The chemical composition of each grade creates a grain structure that falls into one of five classes: austenitic, duplex, ferritic, martensitic, and precipitation hardening. The austenitic class contains the most formable, weldable, and corrosion-resistant stainless steel grades, but they cannot be heat treated. The duplex class offers high resistance to pitting and chloride stress corrosion cracking. Duplex grades are heat treatable and roughly twice as strong as austenitic grades. The ferritic class contains moderately formable and corrosion-resistant grades compared to other stainless steel classes, but they cannot be heat treated. The martensitic class includes some of the hardest and strongest stainless steel grades that also offer mild corrosion resistance, high hardness, and good formability. Martensitic grades can be heat treated. The precipitation-hardening (PH) class can be heat treated after fabrication to achieve some of the highest hardness ratings in stainless steel. Tensile strength, used to indicate the material’s overall strength, is the peak stress it can withstand before it breaks. Corrosion resistance describes the material's ability to prevent deterioration caused by atmosphere, moisture, or other medium. Wear resistance in
