API 11b sucker rod couplings for 3/4", 7/8", 1" at best price

API 11b sucker rod couplings for  3/4", 7/8", 1" at best price

Detailed product description

Our factory can manufacture couplings, including sucker rod coupling, sub-coupling, API 5CT tubing and casing coupling. Sucker rod coupling and sub-coupling are designed in accordance with API Spec 11B, the material is high quality alloy steel. Normally, there are 2 wrench flats on the outside diameter. Class T coupling hardness is HRA56-62 after heat treatment, possesing better anti-corrosion property and abrasion-proof property.

Sucker rod coupling is used for connecting the same size of sucker rods. Sub-coupling is used for connecting the two sizes of sucker rods or polished rod to a sucker rod string.

1.Features:

(1)Meterial:high quality alloy

(2)Technics:hot rolling

(3)Placement:female

(4)Surface treatment:phosphating, blueing

(5)Standard reference:SY/T5029-2006, API 11B

(6) possesing better anti-corrosion property and abrasion-proof property

(7) used for connecting the same size of sucker rods or connecting different sizes of sucker rod to a sucker rod string

2.Technical parameters

3.Machanical property

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Mobile: 0086-13912509378