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Pre-Thread Diameter
This chart apply for our threaded round bar products, and fastener products, for example anchor bolts, rock bolts, stud bolts, anchor cages. If any doubt or questions, our engineers are always pleased to help. [email protected] Pre-Thread Diameter Unit：mm Norminal Diam...Read more -
Machanical rock anchors
Most popular mechanical anchor system is expansion shell anchors. A hole is drilled in the rock and the rock bolt assembly is inserted. Then the tensile force(P) is applied. When the force is applied, the cone would try to move to the right side. The movement of the cone would expand the two wedg...Read more -
Rock bolt For Mining/ Tunnel/ Slop Support
Name Rock bolt For Mining/ Tunnel/ Slop Support Specifications Specification & Standard GB/T 20065-2006 MT 146.2-2011 YB/T4363-2014 ISO6934-5:1991 Dn 16-32mm Rp0.2/MPa 500-800 Rm/MPa 500-1000 A% 15-22 Material High-performance steel AKv/J...Read more -
INCOMING INSPECTION STANDARD FOR NUTS
NUTS 1 Chemical composition test Within a specified time,incoming nuts materials of grade 35CrMo shall be retest, and results must be in accordiance with TABLE 1. TABLE 1-1 Chemical composition of nuts(mass fraction)) /% Grade C Si Mn Cr Mo P S 35CrMo 0.32～0.40 0.17～0.37 0...Read more -
Dimension and tolerances of NUTS and Washers – Wind tower foundation anchor bolt _ Anyang Longteng
Dimension and tolerance inspection shall be in accordance with GB/T6170-2000 “Hexagon regulat nuts(style 1)”. See Table 3 thickness m is symboled and described. Table 3 Thickness of nuts Specification of nuts M30 M36 M42 M48 M56 M64 P 3.5 4 4.5 5 5.5 6 Q/AYLT 06-201...Read more -
INSPECTION STANDARD FOR APPEARANCE INSPECTION OF RAW MATERIALS—WIND TURBINE FOUNDATION ANCHOR BOLTS
The surface quality of steel round bar shall conform to GB/T3077-2015 “ALLOY STRUCTURE STEEL”-6.10.1 The surface of steel materials used for pressure processing The surface of steel materials used for pressure processing shall be free of crack, scar, folding or sundry ...Read more -
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 ...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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 ...Read more
