Cutting steel grades that_Steel Pipe knowledge_News

Cutting steel grades that

Release Date:2012-05-02 Hits:666
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cutting steel using standard chemical element symbols, symbols and Arabic numerals that specified in Table 1. Arabic numbers indicate the average carbon content (very few).

The ① sulfur free cutting steel and processing of sulfur, phosphorus free cutting steel, without cutting element symbols in the symbol "Y" and Arabic numerals. For example: the average carbon content of 0.15% of free cutting steel, the grade is expressed as "Y15".

The ② higher manganese content of sulfur or sulfur, and phosphorus free cutting steel added manganese symbol after the symbol "Y" and Arabic numerals. For example: the average carbon content of 0.40%, manganese content was 1.20% and 1.55% of free cutting steel, the grade is expressed as Y40Mn.

③ calcium, lead, cutting elements, cutting steel, plus the cutting element symbols after the symbol "Y" and Arabic numerals. : "Y15Pb", "Y45Ca."

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