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Abrasion Resistance Pipe for Industries & Mining
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Catalog excerpts

Abrasion Resistance Pipe for Industries & Mining - 1

Goldstone’s Abrasion Resistant Pipe 1. Introduction Goldstone has developed a proprietary composite pipe (GXCG/HDPE) that offers superior abrasion resistance and lower cost of production compared to all leading products in this market area. GXCG/HDPE pipe combines the strength of Goldstone's high pressure steel wire/fiberglass reinforced HDPE pipe technology with the abrasion resistance of a proprietary liner. Excellent abrasion resistant property. It is especially suitable for the transportation of slurry, mine refuse and other solid or mixture. Good melting flow and easy for processing by general polyolefin extrusion equipment. The composite pipe co-extruded by GXCG material and HDPE/PP has excellent bonding property in the interface, there is no separation in the interface. Excellent physical characteristics. Sanitary liner without any toxic additives. 3. Abrasion Resistant Property Test 3.1 Rotation Wear Test for GXCG Material Several different commercial pipe materials are made into specified sample plates. The samples are placed in the wear slurry (sand & water) for different rotation test, after different times using a sand/water mixture (52 vol %/48 vol %). The samples were collected and weighed.

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Coarse sand used for test Rotation wear test device1—Test sample2—Sand slurry3—Rotation axis Many pipe companies use this test method to check and compare different material abrasion-resistant property (Testing setting are different), we summarized their test results and put them in the following table. Weight Lost Rotation speed: 1400rpm; wear time: 11h; specimen size: 100mm×100×4mm Weight Lost Small sands Construction use Coarse sand (Hard &sharp quartz sand, size: 3mm-5mm) Rotation speed: 680rpm; wear time: 4h; specimen size: 75mm×25mm×6mm

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Different material sample plate used for test From left to right: GXCG, rubber, UHMWPE, HDPE Weight Lost Vanadium titanium coarse sand, size: 1mm—5mm Rotation speed: 1400rpm; wear time: 8h; specimen size: 100 mm×100mm×4mm 不同材料的磨损率 Abrasion Resistance of Differenct Material 高密度聚乙烯 HDPE 中密度聚乙烯 MDPE 聚丁烯 PB 0110M 交联聚乙烯 PEX 63% 交联聚乙烯 PEX 71% 橡胶板 Rubber 硅胶板 Silicone Rubber 钢板 Steel 1 不同的材质 Different Material

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3.2 Akron Abrasion Testing For Materials Akron abrasion is a very common test method for abrasion-resistant material. We sent our GXCG abrasion resistant material sample to authorized testing company. In the same testing condition, rubber material lost is 0.90cm3, GXCG material is 0.11cm3. In this test, GXCG material is much better than rubber. 3.3 High Speed Slurry Spray Impact Test For Materials To test how Goldstone GXCG material’s impact wear resistant property, a special testing device is designed. Sand slurry (30% river sand weight) is sprayed out onto the test sample by high pressure...

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Abrasion Resistance Pipe for Industries & Mining - 5

3.4 Darmstadt Test For Pipes The Darmstadt test consists of a tilting or rocking pipe, pivoted at its centre. An abrasive slurry of stones and water moves up and down the pipe in the longitudinal direction. The flow direction is therefore in the longitudinal direction, which is the same as in an operating pipeline. The Darmstadt test has been used to determine the abrasion resistance of a range of pipeline materials. Sands & stone mixture Darmstadt test equipment Using the HDPE pipe and GXCG/HDPE composite pipe to do the comparative experiments on Darmstadt test, the results are as...

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The following graph shows weight loss versus abrasion test cycles: Abrasion Resistance Pipe Weight Loss (gram) UHMWPE PIPE 超高分子量管 HDPE PIPE 聚乙烯管 Steel With Coating Material 内衬钢管 线性 (UHMWPE PIPE 超高分子量管) 线性 (HDPE PIPE 聚乙烯管) 线性 (Steel With Coating Material 内衬 钢管) It is clear that Goldstone’s GXCG abrasion resistant pipe is far better than other pipes tested. 3.5 Slurry Pressure Pumping Test for Pipes To better understand Goldstone GXCG abrasion-resistant pipe performance in transportation of real iron ore concentrate, we cooperate with national key mine laboratory to do the slurry pressure...

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The sketch drawing of testing device Pictures of testing device

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Different pipes used for testing Steel pipe after 600 hours testing: Damage &Corrosion GXCG abrasion-resistant pipe after 600 hours testing: Almost no change or damage

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Abrasion Resistance Pipe for Industries & Mining - 9

Test result for different pipes From the test results, it is clear that Goldstone GXCG abrasion resistant pipe is much better than other pipes, the inner pipe surface is smooth and no scratch damage, other pipes has problems of deformation, scratch damage etc. We have conducted SEM electron microscope analysis for HDPE pipe, GXCG Abrasion-resistant pipe, UHMWPE pipe to see their micro structure. GXCG abrasion-resistant pipe has a much smoother inner surface compared to UHWMPE pipe and normal HDPE pipe UHWMPE pipe GXCG abrasion-resistant pipe HDPE pipe GXCG abrasion-resistant pipe HDPE pipe...

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4. Project performance Goldstone GXCG abrasion resistant pipe has been used in various of mining projects in China and abroad including Rio Tinto, Pangang Steel Mine etc. The following is one project-iron sand separation facility usage description: Normal steel elbow leaks only 9 days after installation Goldstone abrasion-resistant elbow before installation Elbow is installed to the iron sand separation transportation pipes After 5 months operation, no damage to the abrasion-resistant elbow, installed again

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Customer’s feedback: Our company used Goldstone’s GXCG abrasion resistant pipe and elbow for iron sand separation. This pipe is very good for abrasion resistant property, it is more than 8 times better than steel pipe. Connection is convenient, our company saved a lot of labor & cost for changing the damaged parts, also helped increasing productivity. We hope to cooperate with Goldstone to use this pipe in more projects. China Yangxian Vanadium Titano-Magnetite Co., Ltd.

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5. Pipe Structure& Specifications: 5.1. Steel wire mesh reinforced abrasion resistant pipe HDPE outer layer HDPE inner layer Abrasion-resistant layer Steel wire mesh layer Pipe Wall Thickness (mm) Pipe OD Non Abrasion Resistant Layer Thickness (mm) Abrasion Resistant Layer Thickness (mm) Non Abrasion Resistant Layer Thickness (mm) Abrasion Resistant Layer Thickness (mm) Non Abrasion Resistant Layer Thickness (mm) Abrasion Resistant Layer Thickness (mm)

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All Goldstone Orient New Material Technology catalogs and technical brochures

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