The company produces fastening elements for submersible pumps units with fatigue testing: pins, bolts, screws. Pins, bolts have 10.9 quality class, screws — 10 quality class.
Material — steel grades 20Х13, 30ХГСА, 05Х16Н4Д2Б; nickel-base alloys with high strenght and corrosion-resistant properties such as K500, alloy K625, alloy K718.
- hexagon-headed bolt М8-М16;
- hexagon-headed screw М8-М16 and round head screw with internal hex;
- pin М8-М16, including combined pin, length
- inch threaded fastening elements.
Other specifications are determined by customer.
Fastening elements made of steel grade 30ХГСА can stand 300 thousands cycles*, fastening elements made of steel grade 05Х16Н4Д2Б can stand more than 1 million cycles*.
* - Number of cycles before breaking during durability testing according to method of Institute of Mechanical Engineering of Russian Academy of Sciences - 059.01.
Quality management system certification improves working efficiency of the plant, its competitive ability, and forms image of reliable and stable partner.All certificates→