 Model Number |
API 11B |
Our sucker rod couplings are up to API Spec 11B standard, including class SM coupling, class T coupling, Sub coupling, Full Size coupling, Slim Hole coupling, are availbale in 5/8”, 3/4”, 7/8”, 1” and 1 1/8”. Manufactured with high quality Carbon steel AISI 5I40 /4135 . Our surface alloy thermal spray coating process of our Spray Metal Coupling has reached the international advanced level.
API Coupling, class SM
1Material: AISI 5140 (40Cr),
2Standard: API Spec 11B
3Coat Thickeness: 0.01-0.02 in
4coupling diameter: 5/8 ",3/4",7/8",1",1-1/8"
5Basic Hardness: HRC 16-23
6Min.Metal coating hardness: 595 HV0.2
OUR NEW SPECIAL PRODUCTS
Both-way Protection Globoidal Sucker Rod Coupling
Full Size Sprey Metal Coupling with Big Chamfer
We're the special manufacturer, and the cost is much lower than some Inter-trade enterprise ,but we can supply more excellent quality, to build a long-term business relationship with you.
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