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API Oilfield Stainless Steel Sucker Rod Join Coupling Pump Rod Coupling

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Puyang Zhongshi Group Co., Ltd.

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API Oilfield Stainless Steel Sucker Rod Join Coupling Pump Rod Coupling

Brand Name : ZS

Model Number : 1/8"-4"

Certification : API 11AX

Place of Origin : China,Henan

MOQ : 1

Price : Negotiable

Payment Terms : T/T

Supply Ability : 1000sets/month

Delivery Time : 15 work days

Packaging Details : Metal or wooden case

Application : Oilfield, Petroleum, etc.

Warranty : 6 Months

Machinery Test Report : Provided

Material : Carbon steel

COLOR : Customzied

Processing Type : Forged

Brand : OEM/ODM

Processing Technique : Casting, Forging, etc.

Product Name : Oilfield Pump Parts

Size : Customized

Surface Treatment : Polishing, Sandblasting, etc.

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Sucker Rod Couplings

Tubing Coupling can be widely used in cold and hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc. It has already replaced welding fittings in most Europe countries, Asia countries, America, Australia and some other countries.

A precision-machined metal coupling that conforms to API 11B specifications.

Sucker Rod Couplings Specifications

high quality carbon steel
Conforms to API 11B Specifications
Premium API Cold-Formed Roll Threads
Black Oxide or Zinc-Phosphate Coating for Improved Corrosion Resistance & Lubricity

Specifications for sucker rod couplings include:

- Material: High-quality carbon steel, which conforms to API 11B specifications.

- Threads: Premium API cold-formed roll threads.

- Coating: Available in either black oxide or zinc-phosphate coating, providing improved corrosion resistance and lubricity.

Mechanical properties of sucker rods:

Level	Material	Rm (Mpa)	Rel (MPa)	A 200mm (%)	Z (%)
C	Carbon steel/Alloy steel	621~793	≥ 414	≥ 13	≥ 50
K	Nickel molybdenum alloy steel	621~793	≥ 414	≥ 13	≥ 60
D	Carbon steel/Alloy steel	793~965	≥ 586	≥ 10	≥ 50
KD	Nickel molybdenum alloy steel	793~965	≥ 586	≥ 10	≥ 50
HL	Alloy steel	965~1195	≥ 793	≥ 10	≥ 45
HY	Alloy steel	965~1195	——	——	——

Mechanical performance couplings for sucker rods:

Specification	5/8 (16)	3/4 (19)	7/8 (22)	1 (25)	1 (25)
Tensile strength	Min 655 MPa
Grade	Grade T/ Grade SM
HRC	The hardness value of carbon steel is 56-62 (HRA), and the hardness value of alloy steel is 58-65 (HRA)/The hardness value of spray welding layer is not less than 595 HV

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