ASTM B108 PDF

Scope. This specification covers aluminum-alloy permanent mold castings designated as shown in Table 1. This specification is for aluminum-alloy. ASTM B/BM: Standard Specification for Aluminum-Alloy Permanent Mold Castings. ASTM B/BMe1. Standard Specification for Aluminum-Alloy Permanent Mold Castings. standard by ASTM International, 05/15/ View all product.

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When the location is not speci? For purposes of determining conformance to these limits, an observed value or a calculated value obtained from analysis shall be rounded to the nearest unit in the last asym place of figures used in expressing the specified limit in accordance with the rounding method of Practice E All welded areas shall be encircled with a ring or white paint prior to submission for? All tests are performed in accordance with the appropriate ASTM test methods.

When single units are shown, these indicate the maximum amounts permitted. This abstract is a brief summary of the referenced standard.

ASTM B – 01 Standard Specification for Aluminum-Alloy Permanent Mold Castings

Other methods may be used only when no published ASTM method is available. Combining values from the two systems may result in non-conformance with the 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. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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B08 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. J These properties apply only to castings having section thicknesses not greater than 2 in.

ASTM International

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. G Composite rating based on ease of cutting, chip characteristics, quality of? J Rates of lightness of color, brightness, and uniformity of clear anodized coating asttm in sulfuric acid electrolyte. Pure materials, recycled materials, and master alloys may be used to make alloys conforming to this specification.

Should any analysis by the wstm or the purchaser establish that an Others element exceeds the limit of Each or that the aggregate of several Others elements exceeds the limit of Total, the material shall be considered nonconforming. The marking shall consist of raised Arabic numbers, and when applicable upper-case letters, cast integral. Elongation in 2 in. 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.

If the castings are to be heat treated and separately cast specimens are to be used, the specimens representing such castings shall be heat treated with the castings they represent. asym

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英文版 ASTM B_图文_百度文库

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. F Other Elements Total shall be the sum of unspecified metallic elements 0.

When foundry practices have been so established, the production method shall not be signi?

If grade D quality castings as described in Table 3 are speci? F Hardness values given for information only, not required for acceptance. The weight of a prepared sample shall not be less than 75 g.

ASTM does not give any warranty express or implied b1108 make any representation that the contents of this abstract are accurate, complete or up to date. Combining values from the two systems may result in non-conformance with the standard. The purchaser shall have the right to perform any of the inspections and tests set forth in the speci? Length of reduced section, 11? F Based on resistance of alloy in standard type salt-spray test. h108

Combining values from the two systems may result in non-conformance with the standard. If no locations are designated, one or more specimens shall be taken to include locations having signi?

Exposure to damp and moldy environments may cause a C The following applies to all specified limits in this table: