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Perform Indicator for Steel Grade 42CrMo, Chemical and Mechanical Properties and performance
This article is to give brief introduction for grade 42CrMo, which is one of the most important alloy steel grade for high strength huge bolt in Chinese market, and which is the most common grade in our LT factory. If still more questions, welcome to contact us [email protected] Alloy Steel Chi...Read more -
Anchor bolt specification table, size, property class, cross section, yield strength, pitch, meter weight, diameter
Available sizes of anchor bolts : M16~M56 Property Class: 8.8 9.8 10.9 12.9 Name: double end stud bolt Material: Carbon Steel, Alloy Steel Star products examples: Property Class Cross section Yield Strength (MPa) Pitch kg/Meter Dia (mm) M36 8.8 817 660 4 6.838 33.23~33.29 1...Read more -
SELF DRILLING HOLLOW GROUTING BOLT
Self-Drilling Anchors The self-drilling Hollow bar anchor system is comprised of a hollow threaded bar with an attached drill bit that can perform drilling, anchoring and grouting in a single operation. The hollow bar allows air and water to freely pass through the bar during drilling to remove d...Read more -
Why hot rolled fully thread rebars are not continuously threaded?
Fully thread rebar and rock bolt are Anyang Longteng’s star products, which are widely used for pre-stressing and post-tesnioning purposes. The reason why it’s chosen is, despite its high mechanical properties, but also because it can fit a nut directly without screw a new thread....Read more -
Wind Turbine Foundation feet, Anchor Bolt ‘s Surface Quality Acceptance
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 matters. In...Read more -
PSB400 PSB500 PSB785 PSB830 PSB930 PSB1080 Steel Rebars
P – Prestressing S – Screw-thread B – Bars Screw-thread steel bars for the prestressing of concrete (also known as the finishing rolling rebar or reinforcing rebar) is reinforced straight steel rebar of large diameter with...Read more -
How to simulate real tension condition at sight – Anchor Bolt Test During Production
Anyang Longteng Heat Treatment Co.,Ltd are professional high duty steel anchor bolt manufacture and exporter. We got the advanced technology to produce anchor bolt, high strength fastener, rock bolt, hold down bolt, threaded rods, anchor cages, etc. Below is the main process to produce the anchor...Read more -
Private-Owned Companies Now Earn Government Support – Anyang Longteng Heat Treatment Material Co.,Ltd
Recently, Chinese central government has continuously held many meetings discussing about the development difficulties and economic pressures, especially for those private enterprises. Many new polices to help private enterprises are soon coming out, some of which are even unprecedented. To help ...Read more -
Full Threaded Rock Bolt, Mining Tunnel Application, anchor bolt, FULLY RIBBED BAR
Rock bolts are widely used for rock reinforcement in mining and tunneling. Our heat-treated rebars have big advantage on yield strength, tensile strength and pre-stress, which could help to support underground tunnels, roof support. Steel grade: 20MnSi Dia Yield strength MPa Tensile streng...Read more -
Chemical Composition of Steel rebars for Resin Rock Bolt
1. Chemical composition of resin rock bolt rebar shall conform to Table 1. Table 1 Chemical Composition Element 20MnSi 30MnSi Percentage, % Tolerance Percentage, % Tolerance + - + - C 0.17-0.23 0.02 0.02 0.27-0.34 0.02 0.02 Si 0.40-0.70 0.03 0.03 0.60-0.90 0.03 0.03 Mn 1.30-...Read more -
Winter Solstice Day in Anyang Longteng Heat Treatment Material Co.,Ltd
On December 22th, it’s the WINTER SOLSTICE in Chinese lunar calendar. There is a saying that if you eat dumplings at the winter solstice day, it won’t freeze your ears off. It has been a tradition for our company to have a warm dumpling day with every employees. So from the early mor...Read more -
Quality Control System for Resin Rock Bolt
1. Definition of Procedure Test: is a Quality test on specific procedures of resin rock bolt production except the procedures after packaging steps. 2. Quality tester should perform first inspection on below procedures. Production will continue only with first inspection pass. 2.1 Heat-treatmen...Read more -
AISI 4140 QT/SR TGP Alloy Round Bar Manufacturer – Anyang Longteng Heat Treatment Material Co.,Ltd
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...Read more -
How do we inspect Rock Bolt Raw Material ?
We’re Anyang Longteng Heat Treatment Material Co.,Ltd, a professional high duty rock bolt manufacturer. Here, we present our raw materials rules. Sharing this is because raw materials are one of the most importance part that catch client’s attention. Besides production process, raw ma...Read more -
LT Production Key Process for Rock bolt manufacturing
Anyang Longteng Heat Treatment Material Co.,Ltd is a professional manufacture and trading combo for yielding bolt, anchor bolt, rock bolt support system, ductile rock bolt for rock burst applications. We would like to share the most common production procedure. Please well noted that this is ju...Read more -
Swedish Customer Visited Anyang Longteng Heat Treatment Material Co.,Ltd
Yesterday, Swedish Customer visited my beautiful factory LT. Our products quality has been proven to be highly acceptable in European market. Mr. Olsen use to be the director of Asia-Pacific in SSAB. After retirement, he began to participate in many projects. As we all know, wind power electric...Read more -
Pre-stressed Grout Rock Bolt Advantages – Anyang Longteng Heat Treatment Material Co.,Ltd
Anyang Heat Treatment Material Co.,Ltd manufacture prestressed threaded bar-Rock anchor bolts. Threaded bar bolt is composed of screw thread steel bar, high strength washer plate, casting damping nut, yield tube and other accessories. According to the structure, bolt has two types: rib rebar bolt...Read more -
How much wind was in Europe’s electricity?
Europe is a global leader in wind energy. According to the date from the WIND EUROPE, wind energy was almost 20% of Europe’s electricity on Sunday. 67% in Portugal, and more than 20% in Spain,Ireland, Germany, Lithuania, Sweden,Estonia. Last year wind energy covered 11.6% of EU power deman...Read more -
Anchor Bolts for Brick Masonry
Anchor bolts are used in brick masonry extensively to make structural attachments and connections. To date, a limited amount of information has been available to aid designers in the selection and design of anchor bolts in brick masonry. This technical notes addresses the types of anchor bolts av...Read more -
Fine Grinding+ Thread Rolling Process-Produce high strength anchor bolt (Decription & Vedio)
Fine Grinding: Grinding the front end, make sure that after the thread is formed, the thread accuracy should be 6g. Rod Diameter ...Read more -
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
