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ASTM B875-96(2024)

Standard Specification for Aluminum Diffusion Coating Applied by Pack Cementation Process

STANDARD published on 1.6.2024

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The information about the standard:

Designation standards: ASTM B875-96(2024)
Publication date standards: 1.6.2024
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

Annotation of standard text ASTM B875-96(2024) :

This specification covers the requirements for aluminum diffusion of metals applied by pack cementation process. The three classes of aluminum diffusion coating, defined by the type of base metal, are as follows: Class I (carbon and low alloy steels); Class II (stainless steels); and Class III (nickel-based alloys). Specimens shall adhere to processing requirements such as substrate preparation, high and low activity pack mix, materials (masteralloys, activators, and inert fillers), loading, furnace cycle, post cleaning, diffusion heat treatment, post straightening, visual inspection, and marking and packaging. Specimens shall also adhere to coating requirements such as diffusion thickness, aluminum content, appearance, and mechanical properties (tensile strength, and macro- and micro-hardness).


Keywords:
aluminizing, corrosion-resistant coatings, diffusion coating, pack cementation ,, ICS Number Code 25.220.40 (Metallic coatings)