Description

Yantai Yunsheng Petroleum Machine Accessories, Co., Ltd , funded in ***7, presently is one of biggest enterprises producing double protection sucker rod couplings inside China. We now have more than *0 production lines then we can supply ****0 pcs SM sucker rod coupling per month. All of our couplings including API Class T Sucker Rod Couplings, API spray metal sucker rod couplings and API Change-Over Sucker Rod Couplings are made full in line with API SPEC *1B, with the size range of 5/8”, 3/4”, 7/8”, 1”, **1/8”. Paramater of coupling perfomanceï&frac*4;š API Class SM coupling 1ï&frac*4;‰Type: SM FS and SH coupling 2ï&frac*4;‰Coupling diameter: 5/8 ", 3/4", 7/8", 1", **1/8" 3)Weight: 0.***1.*9 KG/Pcs 4ï&frac*4;‰Material: Carbon steel AISI 5I*0 5ï&frac*4;‰Spray Materialï&frac*4;šNi*0A Alloy Coating 6ï&frac*4;‰SM Thicknessï&frac*4;š0.***0.*2in 7) Basic Hardness: HRC ****3 8ï&frac*4;‰Surface Hardness: HRC ****2 9ï&frac*4;‰Hole rate: ï&frac*4;œ2% *0ï&frac*4;‰Min. Hardness of the layer: **5HV0.2 *1) Operating Temperature: ****0~**0℃ *2) Life: > **0 days *3ï&frac*4;‰Standard: API Spec *1B *4)Package: wooden case *5)Payment Terms: T/T Our New Products 1) SM Coupling with great bevel edge 2) Two-way Cambered Protection Coupling If you have any interest in our sucker rod couplings, please do not hesitate to let we know, and we’ll supply you with our high quality products and best services.