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  • We provide Foundation anchor bolt assemblies fit for GE turbines

    We provide Foundation anchor bolt assemblies fit for GE turbines

                                          Standard: GB/T3098.1   ISO898-1 or costomer’s request                                         Mechanical Properties Grade Dia Tensile Strength Rm/MP...
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  • Different Shank in Bolt

    Different Shank in Bolt

                      Normal Shank  normal Shank diameter = nominal thread diameter Reduced Shank shank diameter ≈ effective pitch diameter Waisted Shank shank diameter Increased Shank shank diameter > thread diameter  
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  • Northwest China turns to more green energy

    Northwest China turns to more green energy

    XI’AN — Five northwestern Chinese provincial-level regions saw double-digit growth in electricity generation from clean energy this year following heavy investment in green energy to improve the energy mix and reduce pollution. During the January-November period, the five regions of S...
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  • Now available thermo diffusion galvanising anchor bolt

    Now available thermo diffusion galvanising anchor bolt

    We Anyang Longteng Heat Treatment Material Co.,Ltd now provide a new corrosion protection method for anchor bolt products. Knowing the reality that a huge number of wind farm designers and contractors ask for thermal diffusion galvanizing as the anchor bolt corrosion protection method. But in the...
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  • Saw cut+Rounding Chamfer-PRODUCE HIGH STRENGTH ANCHOR BOLT (DECRIPTION & VEDIO)

    Saw cut+Rounding Chamfer-PRODUCE HIGH STRENGTH ANCHOR BOLT (DECRIPTION & VEDIO)

    Sawing Cut                                                                                                                                                        Cut top and tail into the length as clients ordered, at the same time, we guarantee to control the length tolerance within 2 mm.   For...
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  • DETAILS DISPLAY – PRODUCT MODEL – WIND TURBINE FOUNDATION ANCHOR BOLT CAGE ASSEMBLIES

    DETAILS DISPLAY – 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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  • Inspection Standard for Raw Materials—Wind turbine foundation anchor bolts

    Inspection Standard for Raw Materials—Wind turbine foundation anchor bolts

    Raw materials for steel anchor bolt are grade 35CrMoA, 42CrMoA hot-rolled round bars. After stock in, within a specified time, re-test shall be performed according to following requirements. Arrange production schedule after qualification. 1.CHEMICAL COMPOSITION Retest results shall conform to ta...
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  • LT Employees Take Examination Regularly

    LT Employees Take Examination Regularly

    Anyang Longteng Heat Treatment Material Co.,Ltd always pays its attention on its employees’ working ability. Since human resources are always the core reason for a enterprise developing . We know that only we can keep the employees high skilled and trained, our factory could be creative, an...
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  • Partial Standard for high strength fasteners

    Partial Standard for high strength fasteners

    70.1-2008 GB/T six angle cylinder head screws GB/T 70.2-2008 in the six corners of flat head screws 70.3-2008 GB/T six angle head screws GB/T 825-1988 screw ring 889.1-2000 GB/T type 1 non metallic insert six angle lock nut 889.2-2000 GB/T 1 non metallic insert six angle locking nut fine teeth 89...
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  • LT Ultra High Strength Heat Treated Rock Bolt

    LT Ultra High Strength Heat Treated Rock Bolt

    Anyang Longteng Heat Treatment Material Co.,Ltd( LT ) is an innovative enterprise combining production and selling super high strength steels(high duty, high performance, high impact energy) and seamless steel pipes products. With it’s dynamic factory, strategic and prospective mind, LT suc...
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  • High strength anchor bolt assembly components-Nut,washer technical requirements _—— LT

    High strength anchor bolt assembly components-Nut,washer technical requirements _—— LT

    1.SCOPE  This standard specified the technical and test regulations for high duty anchor bolts components- nuts and washers, and technical requirements for marking, packaging, transportation, storage, production process and quality assurance control. This standard is applicable to the external pr...
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  • What is ROCK BOLT?

    What is ROCK BOLT?

    A Rock Bolt is a long anchor bolt, for stabilizing rock excavations, which may be used in tunnels ro rock cuts. It transfer load from the unstable exterior to the confined interior of the rock mass.                As shown in the figure, rock bolts are almost a...
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  • Left Hand Rebar Thread Rock Bolt Test Report

    Left Hand Rebar Thread Rock Bolt Test Report

    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. Apply...
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  • LT-Acceptance inspection requirements of anchor bolts tensioning

    LT-Acceptance inspection requirements of anchor bolts tensioning

    1 Sampling ratio of acceptance inspection:inadequate tension inspection shall take 20% sampling of flange anchor bolts, if once test fails, sampling rate shall be expanded to 50% . If more than 5% of these 50% tests fail, all flange anchor bolts shall be re-tensioned and re-tightened. exceeding t...
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  • Marking and Packaging Details for anchor bolt products

    Marking and Packaging Details for anchor bolt products

      Anchor bolts must be marked according to regulations, including:   a) manufacturer identifiable mark b) steel grade   Figure  Marking on anchor bolts   Packaging a)Packaging boxes shall be secure and moisture-proof and mixed storage of different batches of products are not permitted.handling re...
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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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