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China C15 Carbon Steel Factory Suppliers - AISI 1015, DIN C15, Low Carbon Steel for Fasteners and Bolts
China C15 Carbon Steel Factory Suppliers - AISI 1015, DIN C15, Low Carbon Steel for Fasteners and Bolts

China C15 Carbon Steel Factory Suppliers - AISI 1015, DIN C15, Low Carbon Steel for Fasteners and Bolts

Description: C15 is a high-quality plain carbon steel with a nominal carbon content of 0.15%, making it an excellent choice for a variety of applications. While C15 is characterized by its relatively low strength, it can be effectively quenched and tempered to achieve enhanced strength levels. This versatility makes it a favored option among manufacturers, particularly in China, where it is widely used in the production of cold headed fasteners and bolts.

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Applications: The low carbon steel C15 is ideal for creating fasteners and bolts, fulfilling demands across various industries. Suppliers and factories in China recognize its suitability for applications requiring durability and reliability.

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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 °C-1.

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For those seeking reliable suppliers and factories in China, C15 carbon steel stands out as a dependable choice for various industrial applications.

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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
    Elasticity & Density
    • Modulus of elasticity [103 x N/mm2]: 210
    • Density [g/cm3]: 7.85
    Thermal & Electrical
    • 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
    Processing & Heat Treatment Details
    Soft Annealing

    Heat to 850-950oC, 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. 540oC, 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: 1200-950oC.

    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%.

    Corrosion Resistance

    This is a plain carbon steel and has no corrosion resistance. It will rust unless protected.

    Welding & Cold Working

    C15 steel may be welded by all of the standard welding techniques. C15 is easily cold worked by traditional means. Following severe cold working a stress relief, or full, anneal should be performed.

    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
    Q1: What type of steel is C15?
    C15 is a plain low-carbon steel with a nominal carbon content of 0.15%. It is characterized by relatively low strength but offers good cold-working and welding properties.
    Q2: What are the typical applications of C15 steel?
    Due to its properties, C15 steel is widely used for manufacturing cold headed fasteners, bolts, and other components that do not require extremely high tensile strength.
    Q3: How is C15 steel heat-treated for soft annealing?
    To soft anneal C15 steel, it should be heated to a temperature range of 850-950°C and then cooled slowly. This heat treatment process will result in a hardness of approximately 90-100 HB.
    Q4: Does C15 steel offer good corrosion resistance?
    No, C15 is a plain carbon steel and does not contain alloying elements that prevent rust. It has no corrosion resistance and must be protected with coatings or oil to prevent rusting.
    Q5: Can C15 steel be welded and cold worked?
    Yes, C15 steel can be easily welded using all standard welding techniques. It is also highly suitable for cold working through traditional methods, though a stress relief or full anneal is recommended after severe cold working.
    Q6: What is the machinability rating of C15 steel?
    C15 steel has a machinability rating of 55% compared to the reference carbon steel AISI 1112 (which is rated at 100%). Its machinability is considered fairly good, especially when it is in the cold drawn or cold worked condition.