Product Details

API Sucker Rod Couplings with Competitive Price

Product Description

Product Feature:
API Sucker Rod Coupling, Class SM
1,Material: AISI 5140 (40Cr),
2,Coat Thickeness: 0.01-0.02 in
3,coupling diameter: 5/8 ",3/4",7/8",1",1-1/8"
4,Basic Hardness: HRC 16-23
5,Surface Hardness HRC 55-62
6,thermal spraying coating and extrusion thread

1) Material: AISI 5140
2) Standard: API Spec 11B
3) Main specification:
   OD:1-1/2" (38.10mm)
   ID: 15/16"(23.81mm)
   Length: 4" (101.6mm)
   Weight: 0.56kg
4)Other Size: 3/4 7/8 1 1 1/8 5)Smoothness: 3.1*10-3
6)Coat Thickness(in): 0.01in ~ 0.02in
7)Basic hardness: HRC 16-23
8)Surface Hardness: HRC 55-62
9)Bonding Strength(Mpa): 484
10)Hole rate: <2%
11)Min. Hardness of the layer: 595HV0.2
12)Min. Tensile Strength: 655 Mpa
13)Operating Temperature: -1000~400 Centigrade Temperature
14)Life: > 180 days
15) Package: wooden case, 1000pcs each case.
16) Usage: oil exploration equipment, accessories, oil sucker rod coupling

(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

Rounding chamfer θ	Specification	OD(mm)	Width of Wrench Square(mm)	Length of Wrench (mm)	Grade	Hardness	Unit weight(kg)
45°	3/4	Φ41.3+0.13 -0.25	38.1 0 -0.8	31.8+0.62 0	19-T	56-62HRA	0.65
	7/8	Φ46.0+0.13 -0.25	41.3 0 -0.8	31.8+0.62 0	22-T	56-62HRA	0.8
	1	Φ55.6+0.13 -0.25	47.6 0 -0.8	38.1+0.62 0	25-T	56-62HRA	1.15

Company Information

Puyang Zhongshi Group Company Ltd was founded in 1996,which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 6083 million yuan,with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff. Oil machinery is our main products, the leading products include pumping unit,subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels,drilling solid control series products and cementing accessories, We had attained ISO 9001 in 1998 and API Certificates in 2002 .

Our Services

All products purchased in our company are guaranteed to keep in good repair for one year. If quality problems happen in guarantee period, our company will maintain for free. Additionally, our company provides technical support and fittings for life. After-sales service isn't restricted by time and we will assign technical personnel to solve your problems immediately after receiving telephone and hear feedback idea of users and deal with them in time. If you are caught in some problems when using our products, welcome to contact us at any time.