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ASTM A for Age-Hardening Stainless Steel Forgings

A number in parentheses indicates the year of last reapproval. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Combining values from the two systems may result in non-conformance with the standard.

Current edition approved May 1, Originally approved in Such requirements may include but are not limited to the following: NOTE 2—A typical ordering description is as follows: Failure to comply with the general requirements of Speci?

Materials and Manufacture 5.

ASTM A705 Grade 630 condition H1150M

The cuts shall be made to the required length by a suitable process. This material may be speci? C Columbium plus tantalum 0. F Columbium plus tantalum 0.

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G Columbium 8 times carbon minimum.

ASTM A 705

Either Rockwell C hardness or Brinell is permissible. On sizes of 1? Asmt BHN for rounds cold drawn after solution treating. The limiting permanent offset shall be 0.

Prolongations for Tests 8. The producer may elect to submit an extra forging to represent each test lot instead of prolongations, or the test specimens can be taken from the forgings themselves. Number of Tests 9. Quench air cool Brinell, min H H [] 4. Warm in air to room temperature. RH Up to 4 in. Hold for not less than 3 h.

H 0. H [] 4. Time refers to minimum time material is at temperature and may be extended to obtain required ductility properties. C Unless otherwise noted, temperatures shown are suggested temperatures and may be varied to obtain required tensile properties. D Intermediate temperatures must meet the ductility requirements of the next highest suggested hardening or aging temperature, or both.

E L – Longitudinal axis of specimen parallel to direction of grain? T – Transverse axis of specimen perpendicular to direction of grain?

G Either Rockwell C hardness or Brinell is permissible. Applies to consumable electrode vacuum remelted. Only tensile strength applicable to sizes up to 1? K Consumable electrode remelted only. J ASTM International takes no w705 respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. 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.

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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 not 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.