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  • Yantai Haoyi (Shengteng) Forging Co., Ltd
    • +8613515352720ythydz@gmail.com
  • Wuning Town, Yantai City Muping District
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    Material: Carbon Steel / Alloy Steel / Stainless Steel
    Types: Slip On, Weld Neck, Blind, Socket Weld, Threaded, Lap Joint
    Standards: ANSI, ASME, DIN, EN, JIS, GOST, ISO
    Surface Treatment: Anti-rust oil, Black painting, Galvanized
    Pressure Rating: Class 150 – Class 2500 / PN6 – PN400

    카테고리 :

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    | Product Description

    Forged flanges are essential components widely used in piping systems for connecting pipes, valves, pumps, and other equipment. Compared with cast flanges, forged flanges provide superior mechanical properties, higher strength, better toughness, and excellent resistance to pressure and temperature. Our forged flanges are manufactured from premium carbon steel, alloy steel, and stainless steel materials through precision forging processes, ensuring durability and long service life.

    | Product Features

    Key Product Advantages:
    • Material: Carbon Steel / Alloy Steel / Stainless Steel
    • Types: Slip On, Weld Neck, Blind, Socket Weld, Threaded, Lap Joint
    • Standards: ANSI, ASME, DIN, EN, JIS, GOST, ISO
    • Surface Treatment: Anti-rust oil, Black painting, Galvanized
    • Pressure Rating: Class 150 – Class 2500 / PN6 – PN400

    | Technical Parameters

    Parameter
    Size Range 1/2” – 48” (DN15 – DN1200)
    Forging Method Open Die Forging / Closed Die Forging
    Testing Ultrasonic Testing (UT), Magnetic Particle Testing (MT), Mechanical Properties Test
    Temperature Range -40°C to +600°C
    Tolerance According to international flange standards

    | Application Range

    Forged flanges are widely used in industries such as oil & gas, petrochemical, power generation, shipbuilding, water treatment, and heavy machinery.

    | Application Scenarios

    • Pipeline connection in oil & gas transportation
    • High-pressure boiler and pressure vessel systems
    • Chemical and refinery plants
    • Offshore platforms and marine engineering
    • Water supply and sewage treatment projects

    FAQ | Frequently Asked Questions

    Q1: What is the difference between forged flanges and cast flanges? A1: Forged flanges have higher strength, better toughness, and are more reliable under high pressure and temperature compared to cast flanges.

    Q2: Can forged flanges be customized according to drawings? A2: Yes, we provide customized forged flanges based on customer drawings and requirements. Q3: What testing methods are applied to ensure quality? A3: Our forged flanges are tested by UT, MT, and mechanical property tests to guarantee quality.

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

    • Yantai Haoyi (Shengteng) Forging Co., Ltd. 우리의 핵심 팀은 2012 년부터 위조 산업을 전문으로하고 있습니다. 2018 년에는 국제 무역 기능을 향상시키기 위해 상당한 업그레이드를 받았으며, 고품질의 단조 제품 및 가공 서비스를 전 세계 고객에게 제공하는 데 전념했습니다.

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