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  2. Hardness comparison - Wikipedia

    en.wikipedia.org/wiki/Hardness_comparison

    ISO 18265: "Metallic materials — Conversion of hardness values" (2013) ASTM E140-12B(2019)e1: "Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness" (2019)

  3. Brinell scale - Wikipedia

    en.wikipedia.org/wiki/Brinell_scale

    The typical test uses a 10 mm (0.39 in) diameter steel ball as an indenter with a 3,000 kgf (29.42 kN; 6,614 lbf) force.For softer materials, a smaller force is used; for harder materials, a tungsten carbide ball is substituted for the steel ball.

  4. Rockwell scale - Wikipedia

    en.wikipedia.org/wiki/Rockwell_scale

    There are different scales, denoted by a single letter, that use different loads or indenters. The result is a dimensionless number noted as HRA, HRB, HRC, etc., where the last letter is the respective Rockwell scale. Larger numbers correspond to harder materials. When testing metals, indentation hardness correlates linearly with tensile ...

  5. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    KSI, ksi kilopounds per square inch, that is, thousands of pounds per square inch KSI (or ksi), also abbreviated KPSI or kpsi, is a common non- SI measurement scale for ultimate tensile strength , that is, the number of units of tensile force that a material can endure per unit of cross-sectional area before breaking.

  6. 6005 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/6005_aluminium_alloy

    Toggle the table of contents. 6005 aluminium alloy. Add languages. Add links. ... 190 to 300 MPa, or 28 to 44 ksi. Yield strength: 100 to 260 MPa, or 15 to 38 ksi ...

  7. The best gifts to buy your grandkids — from babies to big ...

    www.aol.com/lifestyle/the-best-gifts-to-buy-your...

    Fisher-Price Laugh and Learn Mix & Learn DJ Activity Table. $33 at Walmart. For Toddlers. Walmart. Little Tikes TotSports Kids T-Ball Set. Picked as our "Best Toy for 3 Year Olds" Ages: 18 months+.

  8. These are the top 100+ gifts of 2024, according to Amazon - AOL

    www.aol.com/lifestyle/top-100-gifts-2024-amazon...

    It shows 1,000 of Vivienne Westwood's designs over the decades, making a perfect coffee table book for any home. $55 at Amazon. YETI. YETI Boomer 4, Stainless Steel, Non-Slip Dog Bowl.

  9. Equivalent carbon content - Wikipedia

    en.wikipedia.org/wiki/Equivalent_carbon_content

    Toggle the table of contents. Equivalent carbon content ... Where UTS is the ultimate tensile strength in ksi and h is the strip thickness in inches. A CE value of 0. ...