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304 Stainless Steel Bar

304 stainless steel, being one of the most widely used types of stainless steel, stands out as an exceptional material due to its corrosion resistance, heat resistance, low-temperature strength, and mechanical properties. Moreover, it exhibits remarkable hot-workability without undergoing heat treatment hardening.


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    304 Stainless Steel Bar Description

    304 stainless steel bars are widely recognized as one of the most sought-after stainless steel bars globally, owing to several key factors. Comprised mainly of iron, chromium, and nickel, 304 stainless steel exhibits exceptional oxidation resistance and corrosion resistance. Compared to 200 series stainless steel materials, it offers superior anti-rust properties and surpasses them in temperature resistance. These bars feature a smooth surface, high plasticity, toughness, mechanical strength, and resistance to corrosion by acids, alkaline gases, solutions, and other media. Commonly utilized in the manufacturing of food processing equipment, building materials, and automobile parts, 304 stainless steel bars are valued for their versatility and reliability.

    Product Parameters

    Product Name 304 Stainless Steel Bar
    Type Steel Bar
    Outer Diameter Round Bar 4mm-500mm
    Hexagon Bar 18mm-57mm (11/16″ to 2-3/4″)
    Square Bar 18mm-47mm (11/16″ to 1-3/4″)
    Flat Steel 1/2 "to 10", Thickness: 2mm-150mm, Can provide customized
    Length 1-6 meters, Length can be customized
    Standard ASTM, AISI, JIS, GB, DIN, EN, etc.
    Surface Black, Bright Polished, Rough Turning, Mattness Surface Treatment, No. 4. BA, etc.
    Scope of Application Stainless steel bars are used in a variety of industries such as shipbuilding, Defense, Automotive, Textiles, Paper and pulp, Manufacturing, Cement, Heavy earthmoving equipment and construction, etc.

    Chemical Composition

    C Si Mn Cr Ni S P
    ≤ 0.08 ≤1.0 ≤ 2.0 18.0~20.0 8.0~10.5 ≤ 0.03 ≤ 0.035

    Mechanical Properties

    Tensile Strength Kb (MPa) Yield Strength σ0.2 (MPa) Elongation D5 (%) Hardness
    ≥ 520 ≥ 205 ≥ 40 ≤ 187HB ;≤ 90HRB;≤ 200HV

    Physical Performance

    Density(g/cm³) Modulus of Elasticity(Gpa) Coefficient of Thermal Expansion(10-6/°C) Coefficient of Thermal Conductivity(W/m*K) Resistivity(ΜΩ. cm)
    8.03 193 16.9 16.2 72
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