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  • Automatic Inductive heat treatment production line

    Automatic Inductive heat treatment production line

        Heat Treatment Production Line We own the patent for independent researched and developed heat treatment equipment. Steel rods are kept in the high temperature area for a short time, then should be cooled within 10 seconds, while the traditional heat treatment process in the high te...
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  • DIN EN 10278 1999 Dimensions and tolerances of bright steel products Part 2

    DIN EN 10278 1999 Dimensions and tolerances of bright steel products Part 2

    5. Condition of delivery 5.1 Finished condition The steel product shall be delivered in one or combination of the following finished conditions with or without heat treatment: a) drawn, symbol +C; b) turned, symbol +SH; c) ground, symbol +SL; d) polished, symbol +PL. 5.2 End condition Unless othe...
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  • DIN EN 10278  1999 Dimensions and tolerances of bright steel products

    DIN EN 10278 1999 Dimensions and tolerances of bright steel products

    European standard EN 10278:1999 has the status of a DIN Standard, Previous editions DIN 174 DIN 175 DIN 176 DIN 178 DIN 668 DIN 671 DIN59360 DIN 59361 1. Scope  This European Standard applies to bright steel products in the drawn, turned or ground condition delivered in straight lengths. It doe...
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  • Safety Comes First, Life Is Always Top Priority

    Safety Comes First, Life Is Always Top Priority

    People usually say “Everyone should be responsible for safe production”. But in our reality life and work,could everyone follow this sentence and alarm themselves? Our company require everyone to keep “safety” in mind, instead of just saying it.Perhaps just one time carele...
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  • Fe500 Soil Nails – Rock Bolt

    Fe500 Soil Nails – Rock Bolt

     China Soil Nail Supplier – Anyang Longteng Heat Treatment Material Co.,Ltd, expert selling high yield strength and tensile strength pretensioning rebar soil nail rock bolt.               Product Drawing     1   BAR;     2   NUT;   3   NYLON WASHER;  4 ...
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  • Customer Award us “Green Supplier”“Honest Supplier”

    Customer Award us “Green Supplier”“Honest Supplier”

    In the year 2018, we supply around 900 foundations for wind turbines. One of our customer invited us to attend their annual meeting, and awarded us the  “GREEN SUPPLIER” and “HONEST SUPPLIER”. The first left one is our general manager Mr. FengBo.       In our pl...
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  • 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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