ASTM F138 PDF

ASTM F138 PDF

ASTM Fa. Standard Specification for Wrought 18ChromiumNickel Molybdenum Stainless Steel Bar and Wire for Surgical Implants. Find the most up-to-date version of ASTM F at Engineering Mechanical values listed above are typical for uniaxial tension. Upon request, we can also deliver this material with other properties. L (ASTM F), Ti.

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Your comments are invited ast for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Recommended crosshead speed for cold-drawn? Work Item s – proposed revisions of this standard. Based upon this, metallurgical requirements include? Also listed are important residual elements. Approved June 10, However, long term clinical experience has shown an acceptable level of biological response can be expected, if the material is used in appropriate applications.

This abstract is a brief summary of the referenced standard. The percentage iron content by difference is not required to be reported. BrinellB Hardness, max, HB The technical data provided is for information only and not for design purposes. The outcome equals considerably longer tool life, increased productivity, better chip breaking, better dimensional tolerances, superior machined surface quality, reduced scrap losses, and consistent performance which translates to a reliable production schedule.

Types of finish available for bar and wire products are cold-drawn, pickled, ground, and ground and polished. The chemistry modifications are designed to ashm the corrosion resistance of this alloy and provide a ferrite free microstructure.

Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

316LS / 316LVM Surgical Stainless Steel Bar – ASTM F138

Quality Program Requirements Combining values from the two systems may result in non-conformance with the standard. Under minimum limit not applicable for elements where only a minimum percentage is indicated.

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This standard has been approved for use by agencies of the Department of Defense. Fine wire shall be furnished, as specified, in the cold-drawn condition.

While most manufacturers quickly turn to material costs as a primary means of lowering their price, these short-term accommodations are not always sustainable. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

Please contact us for more details. Historical Version s – view previous versions of standard. C Typically supplied as hot-rolled bar for forging applications.

Mm Ksi MPa Up to 0. Last previous edition approved in as F — A superscript epsilon e indicates an editorial change since the g138 revision or reapproval. General Requirements for Delivery 3. Hardness determination on cold-worked material shall be made on a product cross-section, midway between the center and surface, if cross-section size is adequate.

The manufacturer shall not ship material that is outside the limits speci? F — 03 Standard C138 Different tests shall be performed in order to determine the following mechanical properties of the wire and bar: The SI units given in parentheses are for information only. The alloy is nonmagnetic even after severe cold forming operations.

Originally approved in asm Product analysis limits shall be as speci? The values stated in each system may not be exact equivalents; atm, each system shall be used independently of the other. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Due to the well characterized level of local biological response established by this material, it has been used as a control material in Practice F On the other hand, types of finish available for fine wire products are cold-drawn, ground, and ground and polished.

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Published information has shown no adverse effect for compositions containing up to 1. Bar and wire shall be ast, as specified, in the hot-worked, annealed, cold -worked, or extra hard condition.

ASTM F植入不锈钢棒材和线材_百度文库

The heat analysis shall conform to the requirements as to chemical composition specified and the material shall contain no delta ferrite, chi, or sigma phases when it is examined by metallography.

This specification covers the requirements for wrought 18chromiumnickel Materials and Manufacture 5. The secondary premium melting step imparts improved cleanliness. Link to Active This link will always route to the current Active version of the standard.

LS / LVM Surgical Stainless Steel Bar – ASTM F

Billet shall also be ultrasonically tested prior to being hot rolled and should be free of internal defects. Analysis for elements not listed in Table zstm is not required to certify compliance with this speci? C Cold-drawn wire may be ordered to tensile strengths up to psi MPa with lower elongation as determined by customer and supplier.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Advanced ladle metallurgy allows for fine adjustments of the composition, amount, size, shape and distribution of the nonmetallic inclusions normally occurring within standard stainless steel.