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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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  • 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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  • Raw Material Purchase Technical Requirements of High Strength Anchor Bolt Products

    Raw Material Purchase Technical Requirements of High Strength Anchor Bolt Products

    1 SCOPE This technical requirements specifies dimensions, shape, weight, tolerances, technical requirements, test methods, inspection regulations, packaging, marking and supplier quality assuance, of the hot-rolled round bars – LT anchor bolt products’ raw materials. This technical re...
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  • LT Heat Treated High Duty Rock Bolt Advantages

    LT Heat Treated High Duty Rock Bolt Advantages

    1. Ultra high strength, high impact energy rock bolt —— Impact absorbing energy advanced world levels Normal 600MPa grade rock bolt’s impact absorbing energy Akv is around 60J, but our LT products high strength rock bolt’s impact absorbing energy Akv ≥180J, which is very ...
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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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  • Underground Mining Tunnel High Strength Rock Anchor Bolt

    Underground Mining Tunnel High Strength Rock Anchor Bolt

    Rebar Anchor Rod                                                                                                                                          Rebar Anchor Rod is widely used in coal mine, railway, water and electricity, etc.. The full strength of the whole length of the anchor bolt is...
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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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  • PACKAGING – WIND TOWER ANCHOR BOLT (DECRIPTION & VEDIO)

    PACKAGING – WIND TOWER ANCHOR BOLT (DECRIPTION & VEDIO)

    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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  • Marking – PRODUCE HIGH STRENGTH ANCHOR BOLT (DECRIPTION & VEDIO)

    Marking – PRODUCE HIGH STRENGTH ANCHOR BOLT (DECRIPTION & VEDIO)

    Wind Tower anchor bolt-foundation base system hold down bolts produce step-10th SEMI-FINISHED PRODUCTS MARKING RULES                                                                              After test, qualified raw materials will stock in our warehouses. All qualified raw materials should b...
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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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  • Production Security Trainning and Examination Activity

    Production Security Trainning and Examination Activity

    Nobody wants to see any security accident to happen, then how do we prevent them? The key is to improve workers’ sense of responsibility and security awareness. But security awareness should be improved step by step, in stead of complete within one day. What’s more, To obtain securit...
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  • Magnetic Particle Test (MT) -PRODUCE HIGH STRENGTH ANCHOR BOLT

    Magnetic Particle Test (MT) -PRODUCE HIGH STRENGTH ANCHOR BOLT

    Magnetic particle inspection, also called MPI , or MT is a non-destructive test(NDT) process for detecting surface and shallow subsurface discontinuities in our heat treatment steel round bar materials. In order to improve our produce quantity, our wind turbine foundation system anchor bolt, roof...
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  • Silver like, Bright Surface Process

    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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  • 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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  • Raw Materials QC Test After Stock in

    Raw Materials QC Test After Stock in

    After stock in, take samples in propotion. Test items are chemical composition, macrostructure,non-mettalic inclusion,crystal degree,decarburized layer,tensile test,impulse test, ultrasonic test etc. Materials that psss all above test items can be used.   chemical compositions by spark Spectromet...
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  • Global Wind Day

    Global Wind Day

    We love the wind!  Because it’s free… Because it’s good to the environment… Because it provides jobs… Because it will never run out… On June 15, 2009, the world’s first celebrated Global Wind Day. Global Wind Day recognizes the clean, renewable energy pro...
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  • Foundation Anchot Bolt raw materials – How do we choose suitable raw materials?

    Foundation Anchot Bolt raw materials – How do we choose suitable raw materials?

    Our factory is top 5 Chinese wind turbine foundation cage manufacture in China. We cooperate with some of the worlds’ most famous wind turbine companies. Such as Gold Wind, Sany, Envision. It is reasonable that we have high reputation on quality among our clients. Our wind turbine foundatio...
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  • Grade Q345 Liquid Delivery Seamless Steel Pipes Introduction

    Grade Q345 Liquid Delivery Seamless Steel Pipes Introduction

    Steel Grade: 10, 20, Q295, Q345, Q390, Q420, Q460 Standard: GB/T 8163-2008 Application: It is for transmission fluid. Sizes: O.D.: 60mm~219mm, W.T.: 4mm~35mm.   Q345 Chemical Composition: Steel Grade Quality Level C Si Mn P S Nb V Ti Cr Ni Cu N Mo Als ‰ Q345 A 0.2 0.05 1.7 0.035 ...
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  • AISI 4140 QT/SR TGP Alloy Round Bar

    AISI 4140 QT/SR TGP Alloy Round Bar

    This medium carbon alloy grade is widely used for many general purpose parts requiring high tensile strength and toughness. 4140 contains chromium and molybdenum as alloying elements and may be heat treated over a wide range to give the combined hardness may be required, this steel is readily fla...
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  • Screw Thread Tolerances, According to ISO 965

    Screw Thread Tolerances, According to ISO 965

    Anyang Longteng thread tolerance standard, according to ISO 965, or GB/T 197-2003 This standard tolerance apply to all our thread steel bars, for example, wind turbine foundation anchor bolt, roof support bolt,high duty stud bolt, steel tie rod. More information for threaded bars, or if need ot...
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  • Anchor Bolt Thread Rolling Process

    Anchor Bolt Thread Rolling Process

    wind turbine foundation cage, anchor bolt Thread rolling operation process: Rolling thread into requested length according to drawings, and measure the length by regular rules piece by piece. Make sure 100% qualified. thread production standard according to GB/T 196-2003 General Purpose Metric ...
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