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ASTM A997-08(2012)

Заменен
Standard Practice for Investment Castings, Surface Acceptance Standards, Visual Examination — 2 стр.
Реферат

This practice covers the acceptance criteria for surface inspection of investment castings through visual examination. The material shall conform to Levels II, III, and IV acceptance criteria for features of surface pits, positive metal, parting line and ejector pin marks, gate height, and surface roughness. The material shall be free of any linear discontinuity.

Область применения

1.1 This practice covers the acceptance criteria for surface inspection of investment castings by visual examination.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.

ICS
77.040.20 Non-destructive testing of metals / Неразрушающие испытания металлов
Сборник ASTM
01.02 Ferrous Castings; Ferroalloys / Стальное литье, Ферросплавы
Тематика
Steel--Structural, Tubes, Plate, Coated