Crankshaft

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  • Yantai Haoyi (Shengteng) Forging Co., Ltd
    • +8613515352720ythydz@gmail.com
  • Wuning Town, Muping District, Yantai City
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    Crankshaft

    Material: Alloy Steel, Carbon Steel, Ductile Cast Iron
    Process: Forged / Cast + Heat Treatment + Precision Machining
    Performance: High Strength, Wear Resistance, Fatigue Resistance
    Surface Treatment: Nitriding, Induction Hardening, Shot Peening
    Customization: Available (OEM & ODM)

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    | Product Description

    The crankshaft is one of the most critical components of an engine. It converts the reciprocating motion of pistons into rotational motion through connecting rods, thereby delivering power. High-quality crankshafts are typically manufactured using forging or casting processes, followed by heat treatment and precision machining to ensure high strength, fatigue resistance, and long service life. Our crankshafts are widely used in automotive engines, marine diesel engines, construction machinery, power generation equipment, and agricultural machinery, performing reliably under demanding conditions.

    | Product Features

    Key Product Advantages:
    • Material: Alloy Steel, Carbon Steel, Ductile Cast Iron
    • Process: Forged / Cast + Heat Treatment + Precision Machining
    • Performance: High Strength, Wear Resistance, Fatigue Resistance
    • Surface Treatment: Nitriding, Induction Hardening, Shot Peening
    • Customization: Available (OEM & ODM)

    | Technical Parameters

    Parameter
    Length Range 500mm – 3000mm
    Max. Diameter Ø100mm – Ø500mm
    Weight Range 20kg – 800kg
    Material Grade 42CrMo, 45#, Nodular Cast Iron, Custom Grades
    Hardness HRC 28 – 55
    Machining Tolerance IT6 – IT8

    | Application Range

    Crankshafts are widely applied in various internal combustion engines and power machinery, including: Automotive Engines Marine Diesel Engines Construction Machinery (Excavators, Bulldozers, Road Rollers) Agricultural Machinery (Tractors, Harvesters) Power Generation Equipment (Diesel & Gas Generators)

    | Application Scenarios

    In real-world applications, crankshafts bear high cyclic loads and friction forces, directly determining engine reliability and service life. Whether in high-speed automotive engines or heavy-duty marine diesel engines, high-performance crankshafts ensure stable operation and efficient power output.

    FAQ | Frequently Asked Questions

    Q1: What manufacturing processes are used for your crankshafts?

    A1: Our crankshafts are primarily produced using forging and casting processes, with the method chosen according to customer requirements.

    Q2: Can you produce crankshafts according to customer drawings?

    A2: Yes, we offer OEM/ODM services and can manufacture based on drawings or samples.

    Q3: What surface treatments are available for crankshafts?

    A3: Common surface treatments include nitriding, induction hardening, and shot peening to enhance wear resistance and fatigue strength.

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    Contact Us

  • Yantai Haoyi (Shengteng) Forging Co., Ltd
    • +8613515352720ythydz@gmail.com
  • Wuning Town, Muping District, Yantai City

    • Yantai Haoyi (Shengteng) Forging Co., Ltd. (hereinafter referred to as Haoyi Forging) is strategically based in the coastal city of Yantai, China. Our core team has been specializing in the forging industry since 2012. In 2018, we underwent significant upgrades to enhance our capabilities for international trade, dedicated to providing global clients with high-quality forged products and machining services.

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