Handheld type pipeline end opening inner wall polishing device
Patent Information
- Authority / Receiving Office
- CN Β· China
- Current Assignee / Owner
- HENAN GAOSHENG ENTERPRISE MANAGEMENT CONSULTING CO LTD
- Publication Date
- 2018-05-25
- Estimated Expiration
- Not applicable Β· inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a pipeline grinding device, in particular to a hand-held pipeline port inner wall grinding device. Background technique
[0002] Pipe is the material used to make pipe fittings. Different pipe fittings use different pipe materials, and the quality of the pipe directly determines the quality of the pipe fittings. Such pipes are often used in construction projects, power plants, chemical plants, etc. There is an implementation standard GB / T5310, for high-pressure boilers: there is an implementation standard GB / T8163, seamless steel pipes for conveying fluids: there is an implementation standard GB3087, seamless steel pipes for low-pressure boilers : There is the implementation standard GB / T9948, seamless steel pipe for petroleum cracking: there is the implementation standard GB / T14976, stainless steel seamless steel pipe for fluid transportation, common materials are alloy (15CrMo, 12Cr1MoV) carbon steel (10#, 20#, 45# ) stainl...