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| Section | Content | |--------|---------| | Scope | Free-machining stainless steel wire & rods for screw machining | | Ordering info | Grade, size, condition, finish, packaging | | Chemical requirements | Limits on C, Mn, Si, P, S, Cr, Ni, Mo (varies by grade) | | Mechanical properties | Tensile strength range depending on temper | | Workmanship | Uniform quality, free of harmful defects | | Permitted variations | Diameter tolerance (usually +/- 0.002" to 0.005") |
ASTM A895 covers both flat-rolled products. These materials are designed for optimum machinability, general corrosion resistance, and high-temperature service. Commonly used grades under this specification include:
ASTM A895 specifies the mechanical property requirements, such as tensile strength, yield strength, elongation, and hardness. These properties vary significantly depending on whether the steel is Austenitic (non-magnetic and non-heat-treatable) or Martensitic (magnetic and heat-treatable). astm a895 pdf
If you just need the main specification points without the full PDF, here’s a typical summary:
(full title: Standard Specification for Free-Machining Stainless Steel Wire and Wire Rods ) covers stainless steel wire and wire rods that are specifically designed for high-speed automatic screw machining. | Section | Content | |--------|---------| | Scope
The specification is the primary standard for free-machining stainless steel plate, sheet, and strip. Unlike standard stainless grades, which can be gummy and difficult to machine, the materials covered by ASTM A895 are specifically engineered for high-speed machining operations. Scope of ASTM A895
The most popular free-machining austenitic grade, often used for high-volume parts. These properties vary significantly depending on whether the
The core of ASTM A895 lies in its chemical composition tables. To achieve "free-machining" status, specific elements are added to the steel melt that act as "chip breakers."
The products covered by ASTM A895 are commonly used in various industries, including: