ASTM F138-08 Standard Specification for Forged 18 Chromium-14 Nickel-2.5 Molybdenum Stainless Steel Rod and Wire for Surgical Implants

This standard specifies requirements for wrought 18chromium-14nickel-2.5molybdenum stainless steel rod and wire used for the manufacture of surgical implants. Rod and wire shall be laid in the hot worked, annealed, cold worked or extra hard condition as specified. Fine wire shall be laid in the cold drawn condition as specified.

The coating types available for rod and wire products are cold drawn, pickled, ground and ground and polished. On the other hand, the coating types available for fine wire products are cold drawn, ground and ground and polished. The heat analysis must comply with the specified chemical composition requirements and the material must not contain delta ferrite, chi or sigma phases when examined by metallography.

This standard covers chemical, mechanical and metallurgical requirements for wrought 18chromium-14nickel-2.5molybdenum stainless steel rod and wire used in the manufacture of surgical implants.

Values ​​stated in inch-pound units should be considered standard. Values ​​in parentheses are mathematical conversions to non-standard SI units, provided for informational purposes only.

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