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  • 20# Steel seamless pipes – Anyang Longteng Heat Treatment Material Co.,Ltd

    20# Steel seamless pipes – Anyang Longteng Heat Treatment Material Co.,Ltd

    Grade 20# steel The 20# steel refers to a carbon content of 0.2%, which is a low-carbon steel. Steel can be divided into low carbon steel, medium carbon steel and high carbon steel. Carbon content: low carbon steel is generally less than 0.25%; medium carbon steel is generally between 0.25 and 0....
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  • The Standing Committee of the Municipal People’s Congress inspected Anyang Longteng

    The Standing Committee of the Municipal People’s Congress inspected Anyang Longteng

    On August 24, the Standing Committee of the Municipal People’s Congress organized some members of the Standing Committee of the Municipal People’s Congress and representatives of the Municipal People’s Congress to conduct a centralized inspection of the implementation of the cit...
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  • Announcement on our company’s greenhouse gas emissions in 2020

    Announcement on our company’s greenhouse gas emissions in 2020

    According to the “Notice of the National Development and Reform Commission on Organizing and Carrying out the Reporting of Greenhouse Gas Emissions by Key Enterprises (Institutions) (Fagai Climate [2014] No. 63)”, “Interim Measures for the Management of Carbon Emission Trading&#...
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  • TENSILE TEST – PRODUCE HIGH STRENGTH ANCHOR BOLT (DECRIPTION & VEDIO)

    TENSILE TEST – PRODUCE HIGH STRENGTH ANCHOR BOLT (DECRIPTION & VEDIO)

    Anyang Longteng Heat Treatment Co.,Ltd are professional high duty steel anchor bolt manufacture and exporter. We got the advanced technology to produce anchor bolt, high strength fastener, rock bolt, hold down bolt, threaded rods, anchor cages, etc.  Below is the main process to produce the ancho...
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  • Depth of Decarburization – stud bolt inspection in Anyang Longteng Heat Treatment Material Co.,Ltd

    Depth of Decarburization – stud bolt inspection in Anyang Longteng Heat Treatment Material Co.,Ltd

    (1)Decarburization of anchor bolts shall be performed by Metallographic  method according to GB/T3098.1 regulations.  (2)Decarburization of threaded parts shall be performed by metallographic method according to GB/T224-2008 “Determination of depth of decarburization of steels”.  ...
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  • Anyang Longteng Get BV Certificate

    Anyang Longteng Get BV Certificate

    In order to promote the company’s strategy of opening up the international market and combining with the company’s business reality, the classification society certification work will be launched in early July 2021. So that the company completed the forensic work in time. During the c...
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  • Production procedures for high-strength heat-treated hexagon head bolt

    Production procedures for high-strength heat-treated hexagon head bolt

    Production process for heat-treated hex head bolt                                               -Anyang Longteng Heat Treatment Material Co.,Ltd Raw material retest Pealling(larger than M20) / drawing(smaller than M20) Cutting Chamfering Hot-forged Chamfering hex head Heat-treatment Lathing Thre...
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  • Bridge application stress bar

    Bridge application stress bar

    Product name: Stress bar Diameter: M80 M64 M56 M53 M48  M42 M36 M24 M20 or as customer’s requirement Length: not more than 12 meter Thread: thread both ends or as cusotmer’s requirements Mechanical property: 8.8 10.9 grade according to ISO 898-1, GB/T 3098.1 Or customer’s techni...
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  • Anyang Longteng fight in the storm

    Anyang Longteng fight in the storm

    In the past few days, our city has encountered continuous heavy rainfall and serious water accumulation inside and outside the factory. The company’s flood control emergency headquarters immediately activated the flood control emergency plan, and each emergency team member was on duty 24 ho...
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  • Procuroment rules for hexagon nut

    Procuroment rules for hexagon nut

    NUTS 1 Chemical composition test Within a specified time,incoming nuts materials of grade 35CrMo shall be retest, and results must be in accordiance with TABLE 1.   TABLE 1-1 Chemical composition of nuts(mass fraction)) /% Grade C Si Mn Cr Mo P S 35CrMo 0.32~0.40 0.17~0.37 0....
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  • Henan Province Officer of project “Ten Thousand People Help Ten Thousand Enterprises” visited Anyang Longteng

    Henan Province Officer of project “Ten Thousand People Help Ten Thousand Enterprises” visited Anyang Longteng

    On the morning of July 20, 2021, the fifth working group of Henan Province “Ten Thousands People Help Ten Thousand Enterprises” visited our company’s φ114 hot-rolled seamless steel pipe production line project to carry out “three batches” key project service work. Wa...
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  • Condense the heart & gather strength, work hard for 100 days

    Condense the heart & gather strength, work hard for 100 days

    At 7:00 on July 2nd, Anyang Longteng’s “Condense the heart & gather strength, work hard for 100 days” mobilization meeting was held in front of the office building of the company.More than 200 employees and management personnel from each workshop attended the meeting. Genera...
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  • Fasteners for ship building

    Fasteners for ship building

    Shipbuilding fasteners are always high strength with big diameter, some of which need to be milled and threaded. Anyang Longteng Heat Treatment Material Co.,Ltd is a professional thread rod factory, providing OEM services for shipbuilding fasteners that can be inspected by Bereau Veritas, DNV, Lo...
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  • Congratulations! Our Lab certified by CNAS in 2021

    Congratulations! Our Lab certified by CNAS in 2021

    On June 17, 2021, Anyang Longteng Heat Treatment Materials Co., Ltd.  laboratory successfully pass the CNAS accreditation review. The China National Accreditation Service for Conformity Assessment granted the company’s laboratory CNAS accreditation and issued a certificate.  CNAS is the English a...
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  • Deputy secretary of Anyang Municipal Party Committee, visited the company to investigate and guide the work

    Deputy secretary of Anyang Municipal Party Committee, visited the company to investigate and guide the work

    On June 9, 2021, Li Yibo, deputy secretary of Anyang Municipal Party Committee, visited our 114 hot continuous rolling seamless steel pipe production line project for investigation, accompanied by Lei Ming, secretary of Yindu District Party Committee, Mei Mei, member of the Standing Committee of ...
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  • High-strength bolt connection form

    High-strength bolt connection form

    (1) High-strength bolts are usually divided into friction connection, tension connection and pressure connection according to the connection form. Among them, friction connection is the basic connection form widely used at present. (2) The treatment methods of the friction surface of the high-st...
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  • Joint vaccination to build the Great Wall of Epidemic Prevention

    Joint vaccination to build the Great Wall of Epidemic Prevention

    All kinds of seeds should be planted, vaccinated voluntarily, and vaccinated free of charge. On May 8th, Anyang Longteng employees began to vaccinate the new crown vaccine in time, by stages, and in batches. In order to let employees know and voluntarily participate in the vaccination, on the one...
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  • Anyang Longteng launches a comprehensive emergency plan drill for production safety accidents

    Anyang Longteng launches a comprehensive emergency plan drill for production safety accidents

    In order to strengthen safety production management and further improve the ability of employees to respond quickly to emergencies and emergency response, Anyang Longteng Heat Treatment Materials Co., Ltd. carried out a comprehensive emergency plan drill for production safety accidents at 9:00 on...
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  • Penetrant Testing for Bolt Products

    Penetrant Testing for Bolt Products

    Dye penetrant inspection (DP), also called Penetrant Testing(PT), is a widely applied and low cost inspection method used to check surface-breaking defects in ferrous materials including our bolt products.  For ferrous components magnetic-particle inspection is often used instead for its subsurfa...
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  • PACKAGING – WIND TOWER ANCHOR BOLT

    PACKAGING – WIND TOWER ANCHOR BOLT

    Packaging method is always one of the most important part of purchasing, especially for the wind turbine foundation cage anchor bolt. After finish main production part, we need to make full pole packaged, in order to enlarge the products life span and maintain their good property and performance....
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  • Meet us at Fastener Expo Shanghai 2021 !

    Meet us at Fastener Expo Shanghai 2021 !

                               
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  • Firing ceremony of our new seamless pipe factory

    Firing ceremony of our new seamless pipe factory

    On the morning of April 30, the firing ceremony of the 300,000-ton-a-year seamless steel pipe continuous rolling production line project of Yulong Pipe Industry was successfully held. Yindu District Party Secretary Lei Ming, District Mayor Wang Lei, leaders of the Shuye Town Government, the Manag...
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  • Let the flag of “Workers Pioneer” fly high

    Let the flag of “Workers Pioneer” fly high

    On the morning of April 20th, 2021, International Labor Day’s celebrating and the 70th Anniversary of the Founding of the Municipal Federation of Trade Unions was held at the Municipal Workers’ Cultural and Sports Center. Anyang Longteng Heat Treatment Material Company’s high-st...
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  • New Product – Stud Bolt for Wind Turbine Blade Root

    New Product – Stud Bolt for Wind Turbine Blade Root

                        Anyang Longteng Heat Treatment Material Co.,Ltd is now developing new products towards the market. With long term connection in Wind energy industry, we have fruitful experience to produce high strength anchor bolt cage assemb...
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