What payment terms are available?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payment.

What materials are used for the couplings?

Made of high-quality carbon steel or alloy structural steel equivalent to AISI 1045 or AISI 4135.

API 11b Class T and Class Sm Sucker Rod Coupling

Name: API 11b Class T and Class Sm Sucker Rod Coupling
Brand: DONGYING LIANHUI PETROLEUM TECHNOLOGY CO.,LTD
SKU: 2084724782

Shandong, ChinaDONGYING LIANHUI PETROLEUM TECHNOLOGY CO.,LTD

US$1.20-8.50

5 Pieces

Sample price:US$3.20/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Installation Guide

Warranty

One-Year

Manufacturing Process

Forging

Surface Treatment

Polishing

Operation Pressure

Atmospheric Pressure

Material

Alloy

Product Name

Sucker Rod Coupling

Color

Customer's Requirements

Certificate

API 11b

MOQ

5 PC

Transport Package

Wooden Box

Trademark

Customization

Origin

China

HS Code

8431431000

Production Capacity

50000pieces/Year

Key features

API 11B Compliance: Designed according to API Spec 11B for Class T and Class SM sucker rod couplings.

Advanced Surface Hardening: Features laser melting treatment with nickel, chromium, boron, and silicon powders for high corrosion resistance.

High Hardness Performance: T-grade couplings achieve HRA 56-62 hardness after heat treatment for superior wear resistance.

Customizable Color: Color can be customized to meet specific customer requirements.

Flexible Customization: Offers full customization, minor customization, and design-based customization options.

Non-Wrench Square Option: Non-wrench square couplings available upon user request in addition to standard two-wrench square designs.

One-Year Warranty: Comes with a one-year warranty period for peace of mind.

Online Installation Support: Provides online installation guides as part of after-sales service.

Company profile

Fast Delivery

DONGYING LIANHUI PETROLEUM TECHNOLOGY CO.,LTD

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 years CertifiedNearest Port: Qingdao portAverage Response Time: ≤6.60h CertifiedTerms of Payment: LC, T/T, D/P, etc.

About Our Factory & Business Background

AddressNo. 38 Mengshan Road, Dongying District, Dongying, Shandong, China

Plant Area43 square meters

Number of Employees5

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1

Supply Chain Partners20

Our Production Capability & Technical Expertise

Main ProductsPetroleum machinery accessories

R&D Engineers1 people

Our Industry Experience & Global Business Record

Year of Establishment2018-06-22

Main MarketsEurope, Southeast Asia/ Mideast

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff3

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:How do you transport the goods?

We transport the goods by container. We possess long term cooperation with ship agency which can provide you lowest shipping fee. For samples we can send by express.

Q:Can you satisfy my special requirement?

Definitely! We have strong design capacity and R&D capacity!

Q:Which shipment terms can you accept?

EXW FOB CNF CIF DDU DDP

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What are the lead times for production?

Both peak season and off-season lead times are within 15 workdays.