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China OEM high strength stud bolt manufacturer – Anyang Longteng Heat Treatment Material Co.,Ltd
The process of customizing a product: 1. According to customer’s drawings or samples 2. Professional engineers discuss according to drawing process 3. Sales team send quotation 4. After payment, purchase raw materials, produce samples, test samples, send to customer 5. After customer testin...Read more -
Dextra Group VIsit Anyang Longteng Heat Treatment Material Co.,Ltd
Dextra Group was established in Thailand by French entrepreneurs, dealing mechanical splices, high performance bars and rock bolt systerms. Dextra group is now very interested in Anyang Longteng’s Heat treatment line and wind power products, and is planing for a long-term cooperation with ...Read more -
Yulong Group held a management experience sharing and exchange meeting
At 14:00 on March 10, 2021, Mr.Feng Huaizhi, vice president of production of Henan Yulong Group, Tengsheng Technology Co., Ltd., and his party went to Anyang Longteng Heat Treatment Materials Co., Ltd. for production management exchanges. Anyang Longteng participated in the exchange meeti...Read more -
Closing to an end – Construction for Continuous Rolling Production line for φ114 Seamless Pipe
The land of northern Henan in March is full of fresh green and vibrant. Yulong Group’s Anyang Longteng Φ114 hot-rolled seamless steel pipe production line project has entered a decisive battle, and the front-line employees are rolling up their sleeves and working hard. At the project constr...Read more -
What kinds of anchor bolts are used as wind turbine fastener
Grade 8.8, 9.8, 10.9, 12.9 are high strength anchor bolts for wind power. Grade 10.9 and 8.8 are the most common grades. At present, there are roughly 3 types of fasteners used in domestic wind turbines and foundations: Tower bolts. High strength bolts used on the wind turbine tower a...Read more -
High strength bolt series for wind farms available
Wind energy is now the world’s most popular and upcoming source of renewable energy source, and is one of the fastest-growing renewable energy technologies. Production of wind electricity doubled between 2009 and 2013, and in 2016, wind energy accounted for 16% of the electricity generated ...Read more -
Material Requirements for high strength bolt and accessories
Commen materials for high strength bolt, studs, nut and washer are listed in below form. But Anyang Longteng are able to conduct production for other materials, please send the drawings and technical documents to our team. Heat Treatment procedures for high strength bolt, stud, nut and washer sh...Read more -
Choosing the best threading method
Cut thread VS Rolled thread Is it necessary to specify the machining method? Are the differences in the end product significant enough that a designer should give additional consideration to this question? In some instances, yes. Following are some main considerations to help determine if rollin...Read more -
Coarse thread VS fine thread
Coarse thread What’s coarse thread? The so-called rough teeth are actually refers to the standard thread, in the absence of special instructions, we generally buy stainles...Read more -
Anchor Bolt Model Display
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 c...Read more -
Head officers of Indu District Government Visit Our Φ114 Pipe Project
On 28th Jan, 2021, Vice Secratary of Indu District Mr. Wang Lei, Secratary of Shuiye Country Mr. Hao Haitao, Visited Anyang Longteng’s Φ114 hot rolled seamless pipe project site. Mr. Feng Dibao, Chairman of Yulong Group, Mr. Feng Bo, General manager of Anyang Longteng warmly welcome...Read more -
In first month of 2021, We have an auspicious start on both production and sales!
For January 2021, Anyang Longteng Heat Treatment Material Co.,Ltd produced 11,161 ton seamless pipes, completing 117.49% of January goal, and this number also supass the history record; Our sales team won contracts for 144 wind turbine foundations, completing 120% of January goal. It is really an...Read more -
Hot heading VS Cold heading fasteners
Is the head of bolt formed by puching? Yes, most of the heads of bolts are punched, because this is the most commercial way. Factories can use hot forging or cold forgine to form the heads. But sometimes for small quantities, some specified head bolts are shaped by turning machine/ lathe. &n...Read more -
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...Read more -
Regular Tests For Anchor Bolt Foundation of Wind Turbine Generator System
Anyang Longteng Heat Treatment Material Co.,Ltd is a professional manufacturer for anchor bolt assembly, which meet technical specifications of GOLDWIND, GE, ENVISION, SANY, TIANRUN, MINGYANG, SHANGHAI ELECTRIC. According to A...Read more -
Receipt of a Client Appreciation Letter
State Power Investment Corporation Limited (SPIC) send a Appreciation Letter to Anyang Longteng Heat Treatment Material Co.,Ltd on 31th, December 2020, showing sincerely thankful to Anyang Longteng Group for their cooperation in Pingyao Wind Farm Project. In March 2020, a serious period of padami...Read more -
Steel materials for High strength Fasteners
Steel is the most common material for fasteners. For high strength fasteners, it is always important to select steel materials. Below chat is the most common materials for high strength fasteners as a guide. Commodity Property Grade Material Standard fitable specifications Bolt...Read more -
Post tension bar products up to 70 diameter
Anyang Longteng Heat Treatment Material CO.,Ltd is a professional heat-treating rod factory based in China, providing high strength QT treated bars and bolts. One of the most competitive materials is post-tensioning bar system. P...Read more -
ALLOY STEEL, THREADED FULL LENGTH, ASTM A193 B7 STUDS BOLT OEM CHINA SUPPLIER
Anyang Longteng Heat Treatment Material Co., Ltd is a leading manufacturer and supplier of heat-treated stud bolts, providing 8.8, 9.8, 10.9, 12.9 property class stud bolts. Threaded full length B7 stud bolts are available here. ASTM A193 B7 studs are alloy steel bolting materials and fast...Read more -
polish bright round bar, polished stainless steel round bar for exporting, not stainless
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...Read more -
NDT INSPECTION ON HIGH STRENGTH STEEL 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, roo...Read more -
Factory overlook of a 500 employees QT bolt factory
YULONG GROUP(1500 employees) owns several manufacturing subsidiaries: 1. Anyang Longteng Heat Treatment Material Co.,Ltd (producing CE heat-treated bolt) located at Qianhuangfu Village, Yindu District, Anyang, Henan, P.R.C 2. Anyang Longteng Heat Treatment Material Co.,Ltd 2nd new plant(seamless...Read more -
Similar and differences between ASTM A193/A193M Gr B7 and B7M
Both B7 and B7M are from standard specpfication for alloy-steel and stainless steel bolting for high temperaturer or high pressure service and other special purpose applications. Both B7 and B7M have the same chemical composition, all equal to Chineses GB grade 42CrMoA Mechanical properties for ...Read more -
Common heat treatment concept
What is Heat-treatment in steel industries? Heat-treatment is the process of heating and colling metals, using specific predetermined methods to obtain desired properties. Common heat-treatment methods: Normalizing: Heating steel or steel parts to an appropriate temperature above the critical poi...Read more
