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C15 Carbon Steel 1015 Suppliers and Factory in China - Low Strength Steel for Fasteners and Bolts
C15 Carbon Steel 1015 Suppliers and Factory in China - Low Strength Steel for Fasteners and Bolts

C15 Carbon Steel 1015 Suppliers and Factory in China - Low Strength Steel for Fasteners and Bolts

C15 steel is a premium quality plain carbon steel characterized by its nominal 0.15% carbon content. As a low strength steel, it is ideal for applications where versatility is key. This steel can be effectively quenched and tempered to enhance its strength, making it suitable for various industrial uses.

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Common applications of C15 steel include cold headed fasteners and bolts, which are essential components in a wide range of manufacturing processes. As a leading supplier and factory in China, we ensure top-notch quality and reliability in our carbon steel products, meeting the demands of diverse industries.

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The physical properties of C15 steel at ambient temperature are impressive. It boasts a modulus of elasticity of 210 GPa, a density of 7.85 g/cm³, and a thermal conductivity of 58.6 W/m.K. Additionally, its electric resistivity is 0.11 Ohm mm²/m, with a specific heat capacity of 0.46 J/g.K. The coefficient of linear thermal expansion is 10-6 °C-1, making it a reliable choice for applications involving temperature variations.

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Choose our C15 carbon steel for your next project and benefit from quality sourced from trusted suppliers in China, ensuring that you receive the best products for your manufacturing needs.

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    Product Detail

    Designation by Standards

    Mat. No. DIN EN AISI
    1.0401 C15 - 1015

    Chemical Composition (in weight %)

    C Si Mn Cr Mo Ni V W Others
    0.15 max. 0.40 0.45 - - - - - -
    Description

    C15 is a plain carbon steel with a nominal 0.15% carbon content. It is a relatively low strength steel but it may be quenched and tempered for increased strength.

    Applications

    The low carbon steels, such as C15, are used for applications such as cold headed fasteners and bolts.

    Physical Properties (average values) at Ambient Temperature

    • Modulus of Elasticity [10³ x N/mm²] 210
    • Density [g/cm³] 7.85
    • Thermal Conductivity [W/m.K] 58.6
    • Electric Resistivity [Ohm mm²/m] 0.11
    • Specific Heat Capacity [J/g.K] 0.46

    Coefficient of Linear Thermal Expansion 10-6 oC-1

    20-100 oC 20-200 oC
    11.0 11.8

    Heat Treatment & Processing

    Soft Annealing

    Heat to 850-950 oC, cool slowly. This will produce a hardness of 90-100 HB.

    Stress Relieving

    Stress relieving to remove machining stresses should be carried out by heating to approx. 540 oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

    Forging

    Hot forming temperature: 1200-950 oC.

    Machinability

    Machinability of C15 steel is fairly good, especially in the cold drawn or cold worked condition. Based upon carbon steel AISI 1112 as a reference that is considered 100% machinable (easily machined) the C15 steel has a rating of 55%.

    Welding: Welded by all standard techniques Cold Working: Easily cold worked by traditional means Corrosion: Plain carbon steel (no corrosion resistance, will rust unless protected)
    Important Note

    This steel is generally used in the annealed or case-hardened condition. It may be heat treated, quenched and tempered but the cost for so doing is generally not worth the result.

    Frequently Asked Questions (FAQ)

    What type of steel is C15?
    C15 is a plain low-carbon steel containing approximately 0.15% carbon. It is characterized by relatively low strength but offers good cold formability and machinability.
    What are the equivalent standard designations for C15?
    Under standard designations, C15 has a Material Number of 1.0401, corresponds to C15 in the DIN standard, and is equivalent to AISI 1015.
    What are the primary applications of C15 steel?
    Due to its excellent cold formability, C15 is widely used for manufacturing cold-headed fasteners, bolts, and other similar low-stress mechanical components.
    How machinable and weldable is C15 steel?
    C15 has a machinability rating of 55% relative to AISI 1112. It offers fairly good machinability, particularly in cold-drawn or cold-worked conditions, and can be easily welded using all standard welding techniques.
    Does C15 steel require corrosion protection?
    Yes, C15 is a plain carbon steel and does not contain alloying elements for corrosion resistance. It will rust if exposed to moisture or corrosive environments unless it is protected by oil, plating, or other protective coatings.
    What are the heat treatment temperatures for C15?
    Soft annealing is carried out by heating to 850-950 oC followed by slow cooling. Stress relieving to remove machining stresses is performed at approximately 540 oC, and the hot forming (forging) temperature range is 1200-950 oC.