ASTM A/AM: Standard Specification for Stainless Steel Spring Wire. Copper. % max. Phosphorus% max Nickel. – %. Silicon. % max Nitrogen% max. Tensile Strength Table (ASTM-A) *KSI. Over. Stainless Steel Wire, AISI / ASTM A , Cr % Ni %, 28 () , 10 (), , C, Request a Quote. AISI ASTM A , Cr

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A number in parentheses indicates the s313 of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or 3a13. This standard has been approved for use by agencies of the Department of Defense. Within the text and tables, the SI units are shown in brackets.

The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the speci?

J Numbering Metals and Alloys4 3.

ASTM A / AM – 03 Standard Specification for Stainless Steel Spring Wire

Such requirements may include, but are not limited astmm the following: Current edition approved May 10, Originally approved in NOTE 1—A typical ordering description is as follows: General Requirements for Delivery 4.

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Failure to comply with the general requirements of Speci? Following fabrication Type and Grade XM shall be age or precipitation hardened to produce their maximum strength properties. The tensile strengths to be obtained following the prescribed heat treatment are shown in Table 2 and Table 3 for hardened wire.

Type Class 2 shall be stress adtm following fabrication and meet the requirements shown in Table 4.

The nominal as-drawn tensile strengths are provided as a guide for the spring manufacturer. B Maximum unless range is shown.

After this treatment, the specimen coil shall show astn pitch with no splits or fractures. The wire shall lie? The wire shall withstand the minimum number of bends speci? A piece not more than 10 in. These specimens shall be tested in a bending machine conforming substantially to Fig.

Stainless Steel – Alloy Wire International

One specimen shall be taken from every ten coils in the lot. After etching the surface of the wire specimen it shall be examined under a 10 power microscope for splits, seams, pits, die marks, scratches, or other imperfections tending to impair the fatigue resistance of springs.

Lubricating coatings, which are insoluble in acid etch solution, shall be removed before etching. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

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Stainless Steel 302

Aa313 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. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have a3313 received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Last modified: July 26, 2020