Introduction:Marble square tube has; High precision, rust free, acid and alkali resistant, non magnetizing, invariant, good wear resistance and other advantages Marble square tube can maintain stability under heavy load and general temperature, precision marble square tube is fully mechanical direct sales

Marble square tube (granite square tube) is used to detect the flatness and perpendicularity of components, workpieces, machine tool workbenches, guide rails, and precision work. The marble square tube produced by our company has the advantages of high precision, rust resistance, acid and alkali resistance, non magnetization, invariance, and good wear resistance. Can maintain stability under heavy loads and normal temperatures. Its material is Jinan green, marble has a black luster, precise structure, uniform texture, good stability, high strength, and high hardness.
The marble square tube is made from high-quality rock layers underground, and after billions of years of natural aging, its shape is extremely stable, without worrying about deformation due to conventional temperature differences., The working face adopts precision grinding technology for measuring the straightness and perpendicularity of the workpiece and equipment installation.
Physical properties of marble square tube: specific gravity 2970-3070kg/m3, compressive strength 2500-2600kg/cm3, elastic coefficient 1.3-1.5 × 106kg/cm2, water absorption rate<0.13%, Shore hardness HS70 or above. Accuracy level: Level 000, Level 00, Level 0, Level 1.

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Our company also produces granite platforms, marble slabs, mechanical sliding tables, single walled ordinary platforms, 3D flexible welding platforms, T-shaped groove platforms, scraping and grinding plates, T-shaped groove flat plates, T-shaped groove workbenches, U-shaped groove cast iron platforms, ground rail platforms, cast iron square boxes, cushion boxes, cast iron flat rulers, right angle rulers, oil tank platforms, machine tool flat plates, heavy-duty cast iron platforms, V-shaped irons, V-shaped frames, counterweight irons, deflectors, cast iron parts, bed body castings, wind power test platforms, flat supports, casting platforms, large T-shaped groove platforms T-shaped groove welding platform, T-shaped groove splicing flat plate, T-shaped groove cast iron flat plate, cast iron platform, flat plate, precision inspection platform, welding platform, marking platform, assembly platform, motor test bench, floor boring machine worktable, T-shaped groove riveting and welding platform, machine tool worktable, test platform, pyrotechnic platform, circular platform, foundation platform, riveting and welding platform, machine tool pad iron, elevator counterweight block, shock absorber pad iron, inclined iron, strip groove cast iron platform, marble square ruler, machine tool casting, T-shaped groove ground rail, splicing bending plate, ground rail platform, rocker arm drilling worktable, tooling platform, assembly platform, boring and milling machine worktable, grinding platform, engraving platform, water pump test platform, axis calibration platform, counterweight Large castings and machine tool measuring tools such as iron, three coordinate platform, sand pressing platform, and combination splicing platform.
Our company adheres to the principle of survival through quality and development through reputation. We provide one-stop services for new and old customers, including design, manufacturing, installation, and commissioning. We welcome new and old customers to discuss business and learn more about our products. http://www.czhylj.com Phone 0317-8326998 Fax 0317-8326986 Address: Jiaohexi Development Zone, Botou City