News

  • Democratic Election Meeting in Seamless Workshop

    Democratic Election Meeting in Seamless Workshop

    On 11th May, Group B of seamless workshop held a meeting of electing group leader.Total 46 workers attended this meeting, including 4 head officers and all group B members. Conforming to the principles of just fair and open, all members elected four candidates democratically. After unnamedly elec...
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  • How to ensure traceability ?

    How to ensure traceability ?

    What Is Traceability? Traceability is an ability to trace something. It is applicable in different fields, including software development and healthcare. Across industries, traceability is used to comply with regulations and minimize risk. Products Traceability is the ability to trace from raw ma...
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  • Onshore Wind Turbine Foundation Foot Steel Grade and equivalents

    Onshore Wind Turbine Foundation Foot Steel Grade and equivalents

      Commodity Steel Grades and Standards Class property Wind Tower Foundation Anchor bolt(Cold Rolled Thread) 42CrMoA GB/T 1231-2006 35CrMoA GB/T3098.1-2000 ISO 4014 ASTM A615/A615M Grade55,60,70,75 ASTM A722/A722M ASTM A193/A193M Grade B7 Grade 8.8 Grade 10.9 Grade 12.9 Hardware...
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  • Important technical requirements while sourcing raw material factories.

    Important technical requirements while sourcing raw material factories.

        To ensure the high performance of bars, our team put emphases on the raw material. All billets should be sourcing from the first-level steel factory in China, some are state-owned and military supporting. What’s more important is, we require our own technical requirements from the...
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  • Why high-strength foundation anchor bolts are essential elements of Wind energy projects?

    Why high-strength foundation anchor bolts are essential elements of Wind energy projects?

      Wind turbine foundation anchor bolt system is a star product of Anyang Longteng Heat Treatment Material Co.,Ltd. As we all know foundations are an essential element of a wind energy project. Foundation’s duty is to help tower straight and working in windy climate. So our system need to b...
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  • What is SN rock bolt ?

    What is SN rock bolt ?

    SN represents “Store Norfors”. The name originates from their first application in Store Norfors in Sweden. An alternative etymology attributes SN to “soil & Nail”. People call rock bolt as SN-Bolt, SN Rock Bolt, SN Anchor, which is used for mining, tunneling and speci...
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  • charpy pendulum impact test requirements for wind turbine generator system foundation anchor bolt assemblies

    charpy pendulum impact test requirements for wind turbine generator system foundation anchor bolt assemblies

     Charpy Impact Test, also known as the charpy V-notch test, is a standardized high strain-rate test which determines the amount of energy absorbed by a material during fracture.This absorbed energy is a measure of a given material’s notch toughness and acts as a tool to study temperature-de...
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  • Technical specifications for anchor bolt assembly for foundation of wind turbine generator system

    Technical specifications for anchor bolt assembly for foundation of wind turbine generator system

                                            1.  The anchor bolt assembly shall include upper and lower anchor plates and anchor bolt as a minimum. Upper anchor plate has the functions of distributing ...
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  • Continuous Thread Bolts (CTB) in bolth civil and mining project applications

    Continuous Thread Bolts (CTB) in bolth civil and mining project applications

          LT Continuous Thread Bolts (CTB) have been designed to take the worry out of complex bolting applications in both civil and mining project applications.   This versatile bolt can be used for mining roof/rib support or in civil construction for tunneling and slope stabilizati...
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  • Peoperty Class Gr. 10.9 Anchor Bolts Assemblies,Solid Anchor Stud, Anchor cage, Wind tower fasteners LT  on-shore wind turbine foundation base

    Peoperty Class Gr. 10.9 Anchor Bolts Assemblies,Solid Anchor Stud, Anchor cage, Wind tower fasteners LT on-shore wind turbine foundation base

    An Anchor cage is composed by anchor bolts, 2 anchor plates(templates)-upper template(temporary template, upper anchor bolt), lower template(lower anchor bolt), Steel Nuts, seal nut(nylon nut), Washers(gaskets), adjusting feet assemblies, splice plates(connecting plates), PVC tubes, corrosion pr...
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  • Slope Stabilization Methods – Soil Nails Rock Bolt

    Slope Stabilization Methods – Soil Nails Rock Bolt

    Slopes are all around us in the urban environment, and the soil on some of these slopes maybe inherently unstable. Movement of soil and rock down unstable slopes due to gravity is called mass wasting; surface movement resulting from the effects of wind and water is called erosion. With the expans...
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  • Rebar Rock Bolts, FE500, FE600 and higher grades

    Rebar Rock Bolts, FE500, FE600 and higher grades

                              Product Drawing                                                                                                         1   BAR;     2   NUT;   3   NYLON WASHER;  4   DOME WASHER;  5    PLATE;   L   LENGT...
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  • How many Modules do we have for Steel Tension Bar?

    How many Modules do we have for Steel Tension Bar?

    Steel tie rod, also called sag rod, tension bar, tie bar, is one of our high strength tension structure star products. Steel materials are carbon steels and alloy steels according to customers requirements. The thread is cold rolled, rather than cut. This gives rise to the use of smaller diameter...
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  • PRODUCT MODEL – WIND TURBINE FOUNDATION ANCHOR BOLT CAGE ASSEMBLIES

    PRODUCT MODEL – WIND TURBINE FOUNDATION ANCHOR BOLT CAGE ASSEMBLIES

    ANYANG LONGTENG HEAT TREATMENT MATERIAL CO.,LTD   WIND TURBINE FOUNDATION ANCHOR BOLT CAGE ASSEMBLIES   PRODUCT MODEL   1. In order to give clients a better understanding of foundation anchor cage, we make a anchor cage model in our factory. Positive responses were received after customer seeing ...
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  • ASTM A193 Grade B7/B7M Thread Rod  & Stud bolt

    ASTM A193 Grade B7/B7M Thread Rod & Stud bolt

    ASTM A193 Grade B7/B7M is alloy steel, AISI 4040/4142 quenched and tempered.   Chemical composition: C: 0.37 ~0.49; Si: 0.15~0.35; Mn:0.65~1.10; S: ≤0.035; P: ≤0.035; Cr:0.75~1.20; Mo: 0.15~0.25 Thread sizes:  M16~M56 Thread screw: Cold thread Surface Treatment: Oil, Grease, Dacromet, Zinc c...
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  • M48 Gr 10.9 bolts pretension steel threaded bar

    M48 Gr 10.9 bolts pretension steel threaded bar

    An Anchor cage is composed by anchor bolts, 2 anchor plates(templates)-upper template(temporary template, upper anchor bolt), lower template(lower anchor bolt), Steel Nuts, seal nut(nylon nut), Washers(gaskets), adjusting feet assemblies, splice plates(connecting plates), PVC tubes, corrosion pro...
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  • ASTM 42CrMo4 + QT Alloy Steel Round Bars

    ASTM 42CrMo4 + QT Alloy Steel Round Bars

    ASTM 42CrMo4 alloy steel round bar with heat-treatment services to improve steel microstructure and mechanical properties.     Application: machine construction, base plates, axes, gear shafts, gear wheels Surface condition: black, polished, rough machined, turned, painted, oil or grease cov...
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  • Working Skills Competition 2019 in Anyang Longteng

    Working Skills Competition 2019 in Anyang Longteng

    For the purpose of motivating workers’ initiative, improve their working skills and specialties, Anyang Longteng Heat Treatment Material Co.,Ltd held a working skill competition within the plant. Our competition has four specialties: Overhead travelling crane driving skill; Thread rolling...
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  • Hexagon Nut in Wind Turbine Foundation Anchor Bolt Assembly

    Hexagon Nut in Wind Turbine Foundation Anchor Bolt Assembly

    Environmental requirement     WTGS(wind turbine generator system) foundation anchor bolt operating temperature range -40℃~50℃, relative humidity≤ 95%      Outdoor weather conditions for WTGS foundation anchor bolts include air humidity, salinity and dust bowl area.     Appearance   Visual and r...
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  • Anyang Longteng Attent “The 10th Supplier Conference of GOLDWIND” in 2019

    Anyang Longteng Attent “The 10th Supplier Conference of GOLDWIND” in 2019

    As China continues to be the world’s largest wind energy market and number one wind turbine installer, Goldwind is the largest wind turbine manufacturer in China.  Anyang Longteng Heat Treatment Material Co.,Ltd is one of the leading manufacturers in China for high strength threaded steel ...
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  • China Origin Steel Anchor Ring Plate Material Q355 GB/T 1591-2018

    China Origin Steel Anchor Ring Plate Material Q355 GB/T 1591-2018

            Steel anchor ring plate, also called anchor plate, upper ring and lower ring, alignment ring and embedment ring, are one of a important accessory in WTG(wind turbine generator) foundation anchor bolt cage system. This product is in the shape of a ring, with hundreds of holes on, and oft...
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  • SHARE: φ22 TMT Rebar Sample Test Report Disclosure 2018/09/15 –  from Anyang Longteng Lab Center

    SHARE: φ22 TMT Rebar Sample Test Report Disclosure 2018/09/15 – from Anyang Longteng Lab Center

      Announcement:Copy right belongs to Anyang Longteng Heat Treatment Material Co.,Ltd. This is a manufacturer and trader for heat treatment steel bars. We share a sample order test here. If any questions, welcome to contact [email protected] Our people will reply within one working day. Pleas...
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  • TEST REPORT – Left hand φ20mm Rock bolt Grade Fe500 HRB500 MG500

    TEST REPORT – Left hand φ20mm Rock bolt Grade Fe500 HRB500 MG500

    Rock anchor bolt is the most basic part of tunnel support in contemporary coal mine, it can help to strengthens the surrounding rocks of the tunnel together. Now the anchor is not only used in mine, but also used in engineering technology to reinforce the main body of slope, tunnel and dam. 20mm...
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  • Relation between Chinese standard and international standard – Wind turbine foundation anchor bolt assemblies products

    Relation between Chinese standard and international standard – Wind turbine foundation anchor bolt assemblies products

            Wind turbine foundation anchor bolt assembly is one of Anyang Longteng’s star products, and brings a high percentage of profit in recent years. Within our domestic market, Anyang Longteng is the top 3  in this area. We have built business relationship with many wind turbine company...
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