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Foundation basket for wind turbines
The foundation transmits the wind turbine’s dead load and wind load into the ground. Anyang Longteng provides foundations in circular. Due to relatively small circumference, tubular steel towers are mounted on the foundations using a so-called foundation basket, or anchor cage, which consis...Read more -
Screws DIN 933 in plain, zinc plated alloy steel, grade 8.8 10.9 12.9
Size: M20-M80 Dimension standard: DIN933 Property standard: ISO898-1, ASME J429, or technical agreement Length: customized Type: Heavy Hex Bolts Material: Carbon steel, Alloy steel Use: industrial Thread: 6g, 6h Payment terms: L/C, T/T Shipping term: FOB/CIF Export to: Worldwide Contact:Cora Ts...Read more -
PT FT bar alloy steel threaded rod with high performance 930/1080 MPa
Diameter range: 20-100mm length: 10-12000mm Yield strength: 930/1080 MPa Percentage elongation after fracture A% :min 10% Percentage total elongation at maximum force Agt: 3.5% Reduction of area: 16≤Φ≤40 Z min 40% 40≤Φ≤100 Z min 45% Impact strength KV: ≥27 J @ 20℃ ≥15J ...Read more -
Anyang Longteng Group compeleted internal audit of ISO 9001 systerm
In order to implement Longteng group’s management policies and goals, continuously improve the company’s management system, continuously improve the management level, and ensure the adequacy, suitability and effectiveness of the company’s quality, environment, occupational healt...Read more -
Grade 8 J429 hex head bolt, UNC bolt
Gr 8, SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners Grade 8, hex head bolt, grade 8 bolt, fasteners, machine bolt, A manufacturing Grade 8 screws and bolts by hot forging or machining from bar. Designation: Grades are designated by numbers where increasing n...Read more -
Hex bolts
Hex bolts have hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex head bolt, hex cap screws, heavy hex bolts, structural bolts. Six sided heads bolts are the industry standard for fasteners with forged heads. Hex bolts are the most common type of bolt in...Read more -
M20-M100 stud bolt, hex bolt manufacturer-Anyang Longteng Heat Treatment Material Co.,Ltd
1200 employee factory for QT round bar, stud bolt, hex bolt, anchor bolt system – Anyang Longteng Heat Treatment Material Co.,Ltd. Bolt conform to ISO898-1 CL 8.8, 10.9, 12.9 or technical agreement. CNAS lab, BV, CE, EN1090, EN15048, EN14399, ISO9001, ISO41001, ISO45001, UT, ...Read more -
Win two contracts within one day- A boom ordering season in spring of 2022
Anyang Longteng Heat Treatment Material Co., Ltd. Win two contracts within one day – A boom ordering season in spring of 2022 The plan of the year lies in the spring, and the development of the whole year depends on the first season. Recently, there have been frequent reports o...Read more -
Training employees to consolidate the awareness of safe production
In order to continuously strengthen enterprise safety management and improve employees’ awareness of self-protection, Anyang Longteng has taken multiple measures to effectively promote safety education and training. Mobilize deployment and consolidate ideas. The company attaches great impor...Read more -
Wind turbine generator running during cold weather
From March 16th to 17th, the temperature in the central and eastern regions dropped by 4 to 10 degrees Celsius, and in some areas, the temperature dropped by more than 12 degrees Celsius, accompanied by winds of magnitude 4 to 5 and gusts of magnitude 6 to 8. There have been two rain and snow eve...Read more -
Threaded bolts for heat changers , grade 8.8, 10.9, 12.9
Anyang Longteng Heat Treatment Material Co.,Ltd is a threaded bolt factory based in China, supplying high-strength bolt for heat exchangers. Threaded bolts allow for installation of a flanged connection in a plate and frame heat exchangers. Diameter: 3/4″-3″, M18-M80 Property class: 8...Read more -
China supplier for DIN 6914 High-Strength Hexagon Bolts With Large Widths Across Flats For Structural Bolting
Material:Steel, Strength class 10.9 by DIN ISO 898-1 Thread Size M12 M16 M20 M22 M24 M27 M30 M36 d P Pitch 1.75 2 2.5 2.5 3 3 3.5 4 ds Nominal Size 12 16 20 22 24 27 30 36 max 12.7 16.7 2...Read more -
How do we call each dimension on hexagon head bolt?
Legend: b – length of the thread (at least) l – length of bolt d – the nominal diameter of the thread k – head height r – radius e – the diameter of the circumscribed circle (not less...Read more -
Ready stock ISO 4014 12.9 M64, M56, M42, M48, M36
Product：hexagon head screws / half thread Specification：M20-M72 Property Class: ISO898-1 8.8, 10.9 Elongation after fracture Minimum tensile strength Lower yield strength or stress ar 0.2% non-proportional elongation Stress under proof load Strength under wedge loading Hardness Impact streng...Read more -
Yulong Group awards 2021 advanced collectives and individuals
According to the selection method of advanced collectives and advanced individuals of the group company, after the recommendation and selection of various units, Yulong Group recently commended the advanced collectives and advanced individuals for 2021. There are “excellent employees...Read more -
Ready stock ISO 4017 hex head bolt with high strength, Class 8.8 10.9 12.9
DIN EN ISO 4017 – 2001 Hexagon head screws — Product grades A and B DIN EN ISO 4017-2001 is a hes head bolt standard for dimensions, more details to check below information. Half thread hex bolt standard is DIN EN ISO 4014. Bolts’ properties need to follow ISO 898-1. Anyang Longteng...Read more -
DIN 933 vs ISO 4017
DIN 933 Geman standard, ISO 4017 international standard, EN ISO 4014 European standard. Differences are dimensions for s, e are a little different, ISO 4017 is smaller than DIN 933. Rest parts are same. Main differences are in M10, M12, M14, M22 Mechanical pro...Read more -
Hex head bolt DIN933
Hex head bolt can be divided as full thread hex bolt DIN933 and half-thread hex bolt DIN931. DIN933 hexagon bolt is similar to ISO4017 and GB/T 5783. DIN933 is a bolt standarding for fully threaded hex bolt with thread diameter M1.6 ~M52, product grade: Grade A, Grade B. Grade A,...Read more -
Poverty alleviation received a pennant and praised
On December 31, 2021, Feng Bo, General Manager of Anyang Longteng Heat Treatment Material Co.,Ltd and a party of 6 representatives visited Dongjiaokou Village, Duli Town, Yindu District, and brought them the care and warmth of the support unit. The secretary of Dongjiaokou Village and the main re...Read more -
GB/T 5782 black oxide hex 8.8 grade bolt specification
Product：hexagon head screws / half thread Specification：M20-M72 Property Class: ISO898-1 8.8, 10.9 Elongation after fracture Minimum tensile strength Lower yield strength or stress ar 0.2% non-proportional elongation Stress under proof load Strength under wedge loading Hardness Impact strength...Read more -
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 n...Read more -
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 ...Read more -
EN 14399 bolt for wind turbines HR HV system
EN14399 Product：High-strength structural bolting assemblies for preloading This standard on structural bolting reflects the situation in Europe where two technical solutions exist to achieve the necessary ductility of bolt/nut/washer assemblies. These solutions utilize different systems(HR and H...Read more -
ISO 4032 hex nut grade8 10 CE
Product：hexagon nuts Mechanical properties according to ISO898-2 8 10 Thread tolerance：6g,6e,6h Dimension tolerance：ISO 4759-1 Surface quality：ISO 6157-2 Quality management systems: ISO9001 We provide ISO 4014/4017 boltRead more
