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  2. Rebar - Wikipedia

    en.wikipedia.org/wiki/Rebar

    Mass per metre length, kg/m 12 113 0.888 16 201 1.58 20 ... 'Reinforcement steel bar Grade 300 & 500 ... Jumbo rebar size chart Imperial bar size Metric bar size ...

  3. Linear density - Wikipedia

    en.wikipedia.org/wiki/Linear_density

    Consider a long, thin wire of charge and length .To calculate the average linear charge density, ¯, of this one dimensional object, we can simply divide the total charge, , by the total length, : ¯ = If we describe the wire as having a varying charge (one that varies as a function of position along the length of the wire, ), we can write: = Each infinitesimal unit of charge, , is equal to ...

  4. Specific weight - Wikipedia

    en.wikipedia.org/wiki/Specific_weight

    The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma), is a volume-specific quantity defined as the weight W divided by the volume V of a material: = / Equivalently, it may also be formulated as the product of density, ρ, and gravity acceleration, g: = Its unit of measurement in the International System of Units (SI) is newton per cubic metre (N/m 3), with ...

  5. Specific strength - Wikipedia

    en.wikipedia.org/wiki/Specific_strength

    It is also known as the strength-to-weight ratio or strength/weight ratio or strength-to-mass ratio. In fiber or textile applications, tenacity is the usual measure of specific strength. The SI unit for specific strength is Pa ⋅ m 3 / kg , or N ⋅m/kg, which is dimensionally equivalent to m 2 /s 2 , though the latter form is rarely used.

  6. Specific modulus - Wikipedia

    en.wikipedia.org/wiki/Specific_modulus

    Specific modulus is a materials property consisting of the elastic modulus per mass density of a material. It is also known as the stiffness to weight ratio or specific stiffness . High specific modulus materials find wide application in aerospace applications where minimum structural weight is required.

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  8. Sectional density - Wikipedia

    en.wikipedia.org/wiki/Sectional_density

    (Values in bold face are exact.) 1 g/mm 2 equals exactly 1000 kg/m 2.; 1 kg/cm 2 equals exactly 10 000 kg/m 2.; With the pound and inch legally defined as 0.453 592 37 kg and 0.0254 m respectively, it follows that the (mass) pounds per square inch is approximately:

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