JIN JU FENG

16 Years Manufacturing Experience

News

  • High Grade High Tensile Blast Furnace Taphole Drill Rod Bit

    "Self drilling bars" is a kind of hollow bolt, which is mostly used for relatively stable and complete rock formations. Anchoring agents such as resin, engineering glue, and quick-setting cement are injected from the center of the bolt, which is better than ordinary bolt...
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  • “Self drilling bars” is a kind of hollow bolt

    “Self drilling bars” is a kind of hollow bolt, which is mostly used for relatively stable and complete rock formations. Anchoring agents such as resin, engineering glue, and quick-setting cement are injected from the center of the bolt, which is better than ordinary bolts. Due to the ...
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  • Brief introduction of carbon steel seamless pipe

    Introduction: Carbon steel seamless steel pipe is a kind of long steel. The steel pipe has a hollow section and is widely used as a pipeline for transporting fluids, such as pipelines for transporting oil, natural gas, gas, water and certain solid materials. Compared with solid steel such as roun...
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  • Blast furnace tap hole drill bit

    The blast furnace opening drill bit is a drill bit for blast furnace opening machine, and it is a drill bit for ladle punching in steel mills. It is also called a blast furnace tap hole drill bit. The drill body is composed of a carrier and a drill bit on the carrier. It is composed of a drill cu...
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  • Inspection of seamless steel pipes

    Inspection of seamless steel pipes

    1. Size and shape inspection of steel pipes (1) Steel pipe wall thickness inspection: micrometer, ultrasonic thickness gauge, no less than 8 points at both ends and record. (2) Inspection of the outer diameter and ovality of the steel pipe: caliper, vernier caliper, ring gauge, and measure the la...
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  • Self drilling anchor system application guide

    With the rapid economic development at home and abroad, self-drilling bolts and self-drilling anchoring systems are important supporting materials and solutions in the geotechnical anchoring engineering industry. It is being used in various construction projects. Today, I have compiled the most c...
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  • Blast Furnace Taphole Drill Rod

    We are the Blast Furnace Taphole Drill Rod manufacturer,it is our featured product, then we can supply you high quality,competitive price with best service. 1) Our featured size(outdiameter*wallthickness) a.38mm*12mm(1.496″*0.472″) b.34mm*11mm(1.338″*0.433″) c.34mm*12mm(1....
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  • Edit Blast furnace drill pipe

    Blast furnace drill bit and drill pipe production process product introduction Blast furnace open drill pipe is made of high-strength steel. It is suitable for blast furnace open drill pipes for various blast furnace openers. In ironmaking blast furnace production, blast furnace open drill pipes ...
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  • How to construct self-drilling hollow grouting anchor rods

    To understand how to construct self-propelled hollow grouting anchor rods, we must first know its structural characteristics. The self-advancing hollow grouting bolt is mainly composed of a hollow bolt body, a drill bit (all-steel drill bit and alloy drill bit), a centering device, a connecting s...
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  • Edit Technical parameters of common drilling tools

    Drill pipe (1) 2-7/8 “drill pipe 1) ★Outer diameter: 2-7/8 “(73mm); 2) Inner diameter: 2.151″ (54.6mm); 3) ★Drill pipe steel grade: G105; 4)★Processing form: EU; 5) Wall thickness: 9.19mm; 6)★Weight: 10.4ppf 7) Total length (from shoulder to shoulder): 31ft±0.5ft; 8) Material ha...
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  • The futures snails are rising, and the spot keeps up

    Today’s market spot prices are becoming stronger. Kuti quoted Shayongzhong thread at 5,800 yuan/ton and coiled screw at 6,200 yuan/ton; Lianxin Huanghai threaded at 5,700 yuan/ton and coiled screw at 5940 yuan/ton. In early trading, affected by the news that steel mills once again restricte...
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  • General process flow of hot-rolled seamless steel pipe

    The production process of hot-rolled seamless steel pipes includes billet preparation before rolling, pipe billet heating, piercing, rolling, sizing and reduction, steel pipe cooling, steel pipe cutting head and tail, segmentation, straightening, flaw detection, manual inspection, spray marking a...
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