API 11b 7/8" Class Sm Sucker Rod Coupling

• After-sales Service: Yes
• Warranty: 1 Yea
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Material: Alloy
• Transport Package: Wooden Case
• Model NO.: 7/8
• Specification: API
• Trademark: zx
• Origin: China
• HS Code: 8431431000
• Production Capacity: 3000PCS

Product Description

Product Description

SM class has an outer coating of nickel-chromium basis with a minimum thickness of 200 microns outer diameter thermally fused to the braked, confers to it a hardness ranging from 58 to 62 HRC, which increases wear resistance and increases corrosion resistance. The outer surface is rectified under API roughness values.

Material: high quality carbon steel or alloy steel. (AISI 1045, AISI 4135).
Thread size: 5/8", 3/4", 7/8", 1" and 1-1/8".
Length: 4", 4.5" and 5".
Grade: T and SM.
Type: sucker rod coupling, polished coupling and sub-coupling.
 

Product Parameters

Chemical Properties, %: Class T Coupling
Steel	AISI    5140
C	0.37~0.44
Si	0.17~0.37
Mn	0.50~0.80
P	≤0.040
S	≤0.040

Spray Metal Coating Chemical  Properties, %: Class SM Coupling
Carbon	0.50~1.00
Silicon	3.50~5.50
Phosphorus	0.00~0.02
Sulfur	0.00~0.02
Chromium	12.00~18.00
Boron	2.50~4.50
Iron	3.00~5.50
Cobalt	0.00~0.10
Titanium	0.00~0.05
Aluminum	0.00~0.05
Zirconium	0.00~0.05
Nickel	Balance

OD		Coupling OD	Length	Wrench length	Wrench width
mm	in	(inch- mm)	(inch- mm)	mm	mm
16	5/8	38.1(1.500)	101.6(4.000)	31.8	34.9
19	3/4	41.3(1.625)	101.6(4.000)	31.8	38.1
22	7/8	46.0(1.812)	101.6(4.000)	31.8	41.3
25	1	55.6(2.187)	101.6(4.000)	31.8	47.6
29	1 1/8	60.3(2.375)	114.3(4.500)	41.3	53.9

Packaging & Shipping

Company Profile

Dongying Zhaoxin Industry and Trade Co.,Ltd is an ISO-9001, ISO-14001, OHSAS-18001 certified company and has all the quality systems in place for design, planning,manufacturing and quality monitoring & traceability to ensure that Dongying Zhaoxin Industry and Trade Co.,Ltd products match the highest quality & reliability Standards similar to any International major in this field.

Dongying Zhaoxin Industry and Trade Co.,Ltd with perfect attitude, product and service, is going to make further development together with customers at home and abroad .