ASTM A802 EPUB

Designation: A /A M – 95 (Reapproved ) An American National Standard. Standard Practice for. Steel Castings, Surface Acceptance Standards, . 6 Apr This standard is issued under the fixed designation A/AM; 1 This practice is under the jurisdiction of ASTM Committee A01 on Steel. ASTM A/AM: Standard Practice for Steel Castings, Surface Acceptance Standards, Visual Examination.

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Metal Asgm Marks Welds – indications of welds fully or partially removed by thermal or mechanical dressing. Inserts – indications of chaplets sand core supports or astm a802 chills.

astm a802 Surface Texture – the natural surface of qstm casting after shot blasting. Metal Removal Marks Mechanical Dressing. Four levels of acceptance standards are provided.

Non-Metallic Inclusions – Non-metallic material trapped on the surface of castings. It should assist in avoiding astm a802 arising from imprecise descriptions at the order stage and should also help in defining a surface that is amendable to a particular techniques of non-destructive testing.

ASTM A Surface Acceptance Standard for Steel Castings – Mookambika Metallurgical Solutions

Level A for surface texture, Level B for nonmetallic inclusions, Level C for gas porosity, Level D for solidification astm a802, Level E for sand expansion discontinuities, Level F for metal inserts, Level G for thermally cut surfaces, Level H for mechanically prepared surfaces, and Level J for welded surfaces.

Metal Removal Marks Thermal Dressing. ASTM does not give any warranty express or implied or make any representation that the contents of astm a802 abstract are accurate, complete or up to date.

The object of this standard is to facilitate cooperation between founder and casting purchaser astm a802 determining the surface conditions, and quality level required.

Historical Version s – view astm a802 versions of standard. Link to Active This link will always route to the current Active version of the standard.

This abstract is a brief summary of the referenced standard.

This practice covers the standard acceptance criteria for the determination of surface texture, surface roughness, and surface discontinuities of steel castings asm visual examination. The casting designer and purchasers can denote the level one to four on the drawings as astm a802 requirements of surface quality, then the founder, Dandong Foundry, will check the photos, astm a802 learn about the requirements.

Gas Porosity – Indications of gas t the casing surface.

The comparator can also be used as the standard of quality inspection. It is informational astm a802 and not an official part of the standard; the full text of the standard itself must be referred astm a802 for its use and application.

It is the responsibility of the user of this standard a8802 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Metal Removal Marks Mechanical Dressing – surface remaining after using a mechanical means of dressing a cast surface or a previously thermally dressed surface.

The use of astm a802 comparators is superior to astm a802 based on astm a802 which can introduce uncertainties concerning interpretation, particularly with regards o the depth of surface irregularities. Fusion Discontinuities – surface irregularities giving a wrinkled appearance. Visual Inspection Acceptance Criteria. Expansion Discontinuities – slightly raised surface irregularities.