News

  • Thread Bar – Silver like, Bright Surface Process

    Thread Bar – Silver like, Bright Surface Process

    The purpose of the peeling and polishing process is to remove decarburized layer and surface rolling defect on anchor bars,and to guarantee the steel bars’ out-of- roundness not more than 0.05mm a、peeling: to ensure remove decarburized layer(Total layer’s depth is 0mm) and surface rolling...
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  • TQM Audit

    TQM Audit

    On 18th April, Goldwind Group’s Eng. Xiong Yaoqing and Eng. Yong Fei visited our factory for a 3 days’ TQM audit. General Manager Fengbo, Vice general manager Fu Guangqing, together with all staff of quality control department, show a warm welcome and cooperation with audit. Though th...
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  • AS/NZS 4291.1 eqv  ISO 898-2 eqv GB/T 3098.1

    AS/NZS 4291.1 eqv ISO 898-2 eqv GB/T 3098.1

    Anyang Longteng Heat Treatment Material Co.,Ltd follows GB/T 3098.1 as our bolt standard, test guide lines, and partial technical requirements. The products are widely applied for wind turbine foundation anchor bolt assembly, construction stud bolt, fully thread bars, PT bars, pre-stress bars for...
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  • Price reduction 5%-10%, Wind Turbine Foundation Anchor Bolt Cage  |  Anyang Longteng Heat Treatment Material Co.,Ltd

    Price reduction 5%-10%, Wind Turbine Foundation Anchor Bolt Cage | Anyang Longteng Heat Treatment Material Co.,Ltd

    ANYANG LONGTENG MADE A DECISION TO REDUCE 5 %  PRICE TO WIND THE MARKET! Last year, Anyang longteng took around 30% of the domestic market for wind turbine foundation anchor bolt. For Expanding market abroad, we are establishing new production lines and technical team are developing to improving ...
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  • Our new plant for anchor plate ring start !

    Our new plant for anchor plate ring start !

      Considering quality control and production management, after a long discussion and adjustment, Anyang Longteng team starts their new plant of anchor plate. This plant will bring us to a new stage of obsessing the WTG foundation domestic market.  Most overseas customers are familiar with  ...
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  • 600 Rock Bolt , high performance with low price

    600 Rock Bolt , high performance with low price

        Yield strength  600MPa min Tensile strength 750MPa  min Elongation rate after fracture A%: 19 min Agt % Alongation under max force: 9 min Impact: 90 min                                     An...
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  • Anchor Bolt Cage  –  Detail explainations  –  Anyang Longteng Heat Treatment Material Co.,Ltd

    Anchor Bolt Cage – Detail explainations – Anyang Longteng Heat Treatment Material Co.,Ltd

                          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 the model by themselves. So we made this a...
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  • REAL CASE SHARING : To use 600MPa rock bolt replace 335MPa

    REAL CASE SHARING : To use 600MPa rock bolt replace 335MPa

    Traditional rebar rock bolts are mostly low yield strenth, for example, 335 MPa which shall lead to more wasting,  bad anti-earthquake performances. Anyang Longteng Heat Treament Material Co.,Ltd and China Coal Research Institute CCRI develop heat-treated rebar to improve rebar’s strength. ...
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  • Go Wuhan, Go China !  Anyang Longteng ‘s Measures

    Go Wuhan, Go China ! Anyang Longteng ‘s Measures

                                Anyang Longteng Group donated 1,000,000 RMB to help defeat corona virus. Till now, China has been under the pressure of coronavirus for over a month. During this time, our people always believe that...
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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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