302 stainless steel

302 stainless steel wire is an international labeling methods. 302 stainless steel --S30210 (US AISI, ASTM) characteristics and uses: The cold has a high strength, elongation, but somewhat less than 1Cr17Ni7. Building decorative component. International Stainless Steel labeling methods.
American Iron and Steel Institute with three digits to indicate a variety of standard grade stainless steel malleable.
Among them:
① austenitic stainless steel lined with 200 and 300 series of numbers.
② ferritic and martensitic stainless steel 400 series is represented by a number. For example, some of the more common austenitic stainless steel
Is 302, 304, 316 and 310 marks.
③ ferritic stainless steel is marked 430 and 446, 410, 420, and 440C martensitic stainless steel is a scalar
Hutchison, duplex (austenitic - ferritic).
④ stainless steel, precipitation hardening stainless steel and high alloy iron content of less than 50% usually uses proprietary name or trademark name.
Steel symbol and representation
① chemical element with the symbol of international and national symbols to represent the chemical composition, using the Arabic alphabet to represent the content:
Such as: China, Russia 12CrNi3A.
② with a fixed number of digits to represent the steel type series or digital; such as: USA, Japan, 300 series, 400 series, 200 series.
③ composition of the Latin alphabet and the order number, saying only that purpose.