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Underground Mining Tunnel High Strength Rock Anchor bolt
Underground Mining Tunnel High Strength Rock Anchor Bolt is a self drilling rock grouting anchor, is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations. Our anchor bolts/rock bolts consists of anchor but, anchor...Read more -
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...Read more -
Steel Plates standard and grades from LT
We are dealing below steel grades and standards: 1.Abrasion/Ballistic Steel；HARDOX400, HARDOX450, HARDOX500, XAR400-500, raex400, raex450, raex500, DILLIDUR400V, DILLIDUR500V, QUARD400, QUARD500, FORA400, JFEEH360, JFEEH400, JFEEH500, FORA500, CREUSABRO4800, CREUSABRO8000 2.Wear resistant s...Read more -
Equivalent standard and grade of abrasion/wear resistant steels
Steel Standard Steel Grades Sweden HARDOX400 HARDOX450 HARDOX500 HARDOX600 SB-50 SB-45 Germany XAR400 XAR450 XAR500 XAR600 Dillidur400V Dillidur500V China NM360 NM400 NM450 NM500 Finland RAEX400 RAEX450 RAEX500 Japan JFE-EH360 JFE-EH450 JFE-EH500 WEL-HARD400 WEL-HARD500...Read more -
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 -
LT’s Willing to Help More Students to Have Better Study Environment
At this autumn, LT attend to the charity activity, helping students to college. Hope more students who lives in poor families could better educated. This charity activity is on the target of helping more poor students before they attend to school in September. Mostly students are just graduate fr...Read more -
New hot-rolled continuous pipe rolling mill bought by LT
On 2018-08-08, Our company Anyang Longteng Heat Treatment Material Co.,Ltd and Taiyuan Heavy Industry Co.,Ltd sign a contract for purchasing φ114 hot-rolled continuous tube rolling mill, including design, manufacture, delivery and services to out company. Our chairman Mr. Feng Dibao, ge...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 -
Quality Management System Courses Held in Anyang Longteng
Recently, our company invited a senior Trainer of quality management system to give us courses of ISO9000:2015 “The Basis and Terminology of the Quality Management System”, ISO9001:2015 “Quality Management System Requirements”. Our general manger Feng Bo, together with all...Read more -
Ammonia Leakage Emergency Rescue Drill
On May 5th 2018, an ammonia leakage emergency rescue drill was carried out in the liquid ammonia storage tank in the seamless workshop. The content of the exercise is: when the operation personnel of denitrification post inspection, the outlet valve of the liquid ammonia tank was found to be...Read more -
“Red Flag Canal” Spring Tour
On April 29th 2018, Longteng work team make a trip to the famous spot “Red Flag Canal” in Linzhou. The mountains there is steep , whose pathway is full of stone rip-tap and overgrown with weeds, rugged and rough, difficult to walk by foot. But our team finally successfully reach the e...Read more -
Tunisian customers visit our factory
April 27, 2018, Mr. Mohammed, a customer from Tunisia, visited our factory. The purpose of this visit to our factory is to inspect the steel pipe products of our company. He expressed that they hope to purchase seamless steel pipes from our company to replace German products.Read more -
Renewal of “Safty Certificate pf Approval for Mining Products”
18th April,2018, 5 grades of our company’s self-developed no-longitudinal rib thread steel resin bolt successfully got renewal of “safety certificate of approval for mining products” certificates, valid for 5 years. We firstly got this certificate on 9th April, 2013. Certified g...Read more -
Indu District’s Special Equipment Devision Visit
April 10th, a technician from Special equipment division, Anyang Indu District Quality and Technology Supervision Bureau came to check our special equipment operation and gave us instructions to safety management.His arrival bring our company’s safety administration more efficiently and reg...Read more
