The ring screw is forged as a whole, and normalizes and removes the oxide skin; Forgings without overburning, crack defects; After the hardness test, the hardness value of the ring screw is HRB67~95. Force Crown ring screw grade strength is 12. Lv.9.
The ring screws must be installed vertically on the plane of the workpiece, and the joint surface should be flat and the joint should be tight. Must be adjusted to the drawing direction, screw to avoid contact with sharp objects. The test load passed by the lifting ring screw is 2.5 times the working load, and 20,000 fatigue tests are carried out at 1.5 times the working load. Ring screws should meet or exceed the requirements of ASME B30.26 standard. The hanging ring screws are produced by alloy steel with high reference to German RUD WBG type. This product is exported to Europe and America in large quantities and has passed the local G80 standard inspection. Better material, higher tension than the existing domestic ring screw, provide tension test report. The hanging ring screws must be operated by professionals, and please refer to the instructions for use. When connecting with the spreader, the connecting parts of the spreader and the hanging ring should be kept rotating freely. There should be regular safety testing by professionals. Maximum working load up to 30T and custom inch thread available.
Screw products are widely used in port, power, steel, shipbuilding, petrochemical, mining, railway, construction, metallurgical chemical industry, automobile manufacturing, plastic machinery, industrial control, highway, large transportation, pipeline auxiliary, slope tunnel, well management and protection, Marine rescue, ocean engineering, airport construction, Bridges, aviation, aerospace, venues and other important industries and infrastructure construction The mechanical equipment of the process.
