Description

1.)material :*0Cr or other

2.)standard: API SPEC*1B

3.)Feature:

 1.Coat Thickness( in ): 0.*1in*0.*2in  

2. Surface hardness: HRC****2

    Basic hardness?HRA****2

 3.Life: > **0days

4.Min. Tensile Strength: **5 Mpa

5. phosphorylate or not (according to demand)

4.) Hole rate: <2%

5.)package:wooden case

6.)usage: oil exploration equipment, accessories, oil sucker rod coupling

ShouGuang Petroleum Machine Accessories Co., Ltd, founded in ***9, is a professional manufacturer of API *1B sucker rod couplings, including Spray Metal coupling, class T coupling, Altra High Strength,Sub OD coupling, with various spec. of Full size, Slim Hole, grand chamfer, Two-way chamfer, etc. With world top level equipments and technicians, the monthly production capacity is more than *0,**0pcs. All of our products are excellent in quality and low in price, which satisfied many of our customers home and overseas.