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2. Steel grades - Wikipedia

   en.wikipedia.org/wiki/Steel_grades

   Steel for pipe and tube: ... Carbon steels 1.1141 1.0401 1.0453: C15D C18D: 1010 1018: ... API 5B and 5CT provide various steel grades and color codes of each grade ...

3. SAE steel grades - Wikipedia

   en.wikipedia.org/wiki/SAE_steel_grades

   The SAE steel grades system is a standard alloy numbering system (SAE J1086 – Numbering Metals and Alloys) for steel grades maintained by SAE International. In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels. These efforts were similar ...

4. Positive material identification - Wikipedia

   en.wikipedia.org/wiki/Positive_material...

   Positive material identification (PMI) is the analysis of a material, this can be any material but is generally used for the analysis of metallic alloy to establish composition by reading the quantities by percentage of its constituent elements. Typical methods for PMI include X-ray fluorescence (XRF) and optical emission spectrometry (OES). [1]

5. Carbon steel - Wikipedia

   en.wikipedia.org/wiki/Carbon_steel

   Carbon steel is a steel with carbon content from about 0.05 up to 2.1 percent by weight. The definition of carbon steel from the American Iron and Steel Institute (AISI) states: no minimum content is specified or required for chromium , cobalt , molybdenum , nickel , niobium , titanium , tungsten , vanadium , zirconium , or any other element to ...

6. Unified numbering system - Wikipedia

   en.wikipedia.org/wiki/Unified_numbering_system

   UNS K11547 is T2 tool steel; UNS S17400 is ASTM grade 630, Cr-Ni 17-4PH precipitation hardened stainless steel; UNS S30400 is SAE 304, Cr/Ni 18/10, Euronorm 1.4301 stainless steel; UNS S31600 is SAE 316; UNS S31603 is 316L, a low carbon version of 316. The digits "03" were assigned since the maximum allowed carbon content is 0.03%; UNS C90300 ...

7. ASTM A500 - Wikipedia

   en.wikipedia.org/wiki/ASTM_A500

   ASTM A500 defines four grades of carbon steel based primarily on material strength. [1] This is a standard set by the standards organization ASTM International , a voluntary standards development organization that sets technical standards for materials, products, systems, and services.