Basic Info.
Product Description
Basic material: steel alloy 40cr ( hra 56-62);
api spec 11b specification manufacture;
inside diameter: 30.61mm(error bound: 0~+0.25mm);
outside diameter: 46.3mm(error bound: -0.25~+0.13mm).
casted alloy layer process on the surface has the function of wear-proof, corrosion-resisting and reducing the friction, protect both the coupling and the rods
Company Profile
|
Business Type: |
Yantai yunsheng petroleum machine accessories co., ltd, founded in 1997, is a professional manufacturer producing api approved sucker rod couplings, includin spray metal sucker rod coupling, calss t sucker rod coupling, sub od sucker rod coupling, full size sucker rod coupling and slim hole sucker rod coupling,with the size range of 5/8", 3/4", 7/8", 1" 1-1/8". materials is aisi 5140¿monthly production capacity reach to 20,000pcs.all of our products are excellent in quality and low in price. |
|
Comapany: |
Yantai yunsheng petroleum machine accessories co., ltd. |
|
Address: |
Shengshuizhuang village,binhai office,laishan district,yantai city,264003,china |
|
City: |
Yantai |
|
Zip/Postal: |
264003 |
|
State: |
Shandong |
|
Country: |
Other |
.