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Chemical composition of a few common martensitic stainless steel grades from EN 10088-1 (2005) standard Chemical composition (main alloying elements) in wt% EN. Steel designation. EN. Number. AISI. Number Number: C: Cr: Mo: Others: Remarks: X12Cr13 1.4006 410 0.12 12.5 — — Base grade, used as stainless engineering steel X20Cr13 1.4021 420 0 ...
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Pitting resistance equivalent number (PREN) is a predictive measurement of a stainless steel's resistance to localized pitting corrosion based on its chemical composition. In general: the higher PREN-value, the more resistant is the stainless steel to localized pitting corrosion by chloride.
Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, ASME standard Y14.38 [1] is one of the standards. Australia utilises the Technical Drawing standards AS1100.101 (General Principals), AS1100-201 (Mechanical Engineering Drawing) and AS1100-301 (Structural ...
Commission Decision of 17 April 1978 authorizing the French Republic not to apply Community treatment to tableware and other articles of a kind commonly used for domestic and toilet purposes, of porcelain or china or of other kinds of pottery, falling within heading No 69.11 or subheading 69.12 C or D of the Common Customs Tariff, originating in the People's Republic of China and in free ...
The number is in the following format: x.yyzz(zz) Where x is the material type (only 1 is specified so far), yy is the steel group number (specified in EN10027-2) and zz(zz) is a sequential number designated by the certifying body, the number in brackets being unused but reserved for later use. The steel groups are indicated below: