API 5/8"full size spray metal sucker rod coupling
Product Description
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)/AISI 4135(35CrMo),
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
6Metal coating hardness: 595 HV0.2
OUR NEW SPECIAL PRODUCTS
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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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