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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Elongation in 2 in. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? With shouldered ends, 23? V108 of reduced section, 0. Unless otherwise agreed upon, the producer may use his own or any other suitable facilities for the performance of the inspection and test requirements speci? One per melt-heat combination shall be tested when tensile properties of castings are to be determined. C casting which is asttm using an expendable core such as sand.

F Other Elements—Total shall be the sum of unspeci? It may not address the mechanical properties, integrity testing, and verification required for highly loaded or safety critical applications. The Virginia laboratory has provided consistent and reliable service for more than a Pure materials, ast materials, and master alloys may be used to make alloys conforming to this specification. The equivalent xstm numbering system alloy designations are in accordance with Practice E If the producer has determined the chemical composition of the material during the course of manufacture, he shall not be required to sample and analyze the?

Combining values from the two systems may result in non-conformance with the standard. J Rates of lightness of color, brightness, and uniformity of clear anodized coating applied in sulfuric acid electrolyte.

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The responsibility of furnishing castings that can be laid out and machined to the finished dimensions within the permissible variations specified shall rest with the producer, except where mold equipment is furnished by the purchaser.

P Not recommended for service at elevated temperatures.

ASTM International

Sampling for Determination of Chemical Composition 8. Workmanship, Finish, and Appearance T4 Solution heat-treated and naturally aged to a asrm stable condition. The tension test specimens shall be the standard 0. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. MoldRANGE provides an unbiased, databased, broader perspective of what is typically in the outdoor air.

J These properties apply only to castings having axtm thicknesses not greater than 2 in. It is advisable to have agreed upon observational standards representing both acceptable and unacceptable material. Rejection and Rehearing The producer may analyze samples for trace elements not specified in the specification. H Composite rating based on ease and speed of polishing and quality of?

ASTM B / BM – 08 Standard Specification for Aluminum-Alloy Permanent Mold Castings

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

The derived SI unit for force is the newton Nwhich is de? B For purposes of determining conformance with this speci? If castings are to be heat treated and tests are to be obtained on the castings, the test specimens shall be taken from the castings after heat treatment. The responsibility of furnishing castings that can be laid out and machined to the finished dimensions within the permissible variations specified shall rest with the producer, except where mold equipment is furnished by the purchaser.

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Foundry control shall consist of examination of castings by radiographic or other approved methods for determining internal discontinuities until the gating, pouring, and other foundry practices have been established to produce castings meeting the quality standards furnished by the purchaser or agreed upon by the purchaser and the producer.

The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Width of reduced section, 1? The values given in parentheses are for information only. A recommended gating method is shown in Fig. If grade D quality castings as described in Table 3 are speci?

The producer may analyze samples for trace elements not speci? A When single units are shown, these indicate the maximum amounts permitted.

The following applies to b1008 speci? Foundry control shall consist of examination of castings by radiographic or other approved methods for determining internal discontinuities until the gating, pouring, and other foundry practices have been established to produce castings meeting the quality standards furnished by the purchaser or agreed upon by the purchaser and the producer.