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  1. MatieMan

    Chemical resistance of 304/304L

    Does a lower carbon content for stainless steel 304L (instead of 304L) also has an influence on the chemical restistance?
  2. MatieMan

    dual rated 304/304L

    Material manufacturers indeed often work with dual certified stainless steels 304L/304 (also 316L/), which is allowed. This means: - a maximum carbon content of 0.03% --> limited by 304L, interesting for welding - Tensile/yield test results --> limited by 304, interesting for calculations...
  3. MatieMan

    ASME B16.48 Steel Line Blanks

    jp1989, Paddle blind is a half spectacle, the full ring part. Advantages: less weight to handle and less space needed to install (so for the bigger sizes). For calculation of thicknesses I also refer to formula in ASME B31.3. Remark: corrosion allowance can be added on one or two sides of...
  4. MatieMan

    Calculating Strength

    OffRoad10, Tensile or yield strenght values are material properties, they are detemined by test (not by calculations). In general they are available in the material standard (European materials), for American materials most of these values can be found in ASTM standards or ASME II tables. Which...
  5. MatieMan

    Hardness test on SS321?

    Hello my friends, In front of me a specification which specifies hardness test on SS321 after welding (in the heat affected zone after heat treatment). In general the specification specifies extra requirements on SS321 to prevent (intergranulair and stress) corrosion in a Polythionacid or other...
  6. MatieMan

    Standard Names For Stainless Steel

    More info you can find in a part of a CASTI handbook, free available on the net. http://www.casti.ca/books_ebooks/lite/BlackBookNALite.pdf

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