What materials are available for the tubing coupling?

Materials include H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, P110, and Q125.

What standards does the product comply with?

The product complies with API 5CT, GB, ISO11960, and GOST standards, and undergoes NDT testing related to API5CT and 5B rules.

High Quality API 5CT Tubing Coupling

Name: High Quality API 5CT Tubing Coupling
Brand: Wise Channel Industries Limited
SKU: 2108334575

Jiangsu, ChinaWise Channel Industries Limited

US$400.00-900.00

10 Pieces

Product profile

Customization

Available

After-sales Service

on Line Support

Warranty

1 Year

Model NO.

H40, J55, K55, N80-1/Q, L80-1/9Cr/13Cr

Manufacturing Process

Forging

Surface Treatment

Polishing

Operation Pressure

2000-20000psi

Material

Alloy

Od

42.12-508 mm

Type

Seamless

Material of Product

Alloy

Package of Product

Wooden Case

Transport Package

Wooden Case

Specification

4 1/2-20

Trademark

WISE CHINNEL

Origin

Jiangsu China

HS Code

8431431000

Production Capacity

10000units Per Year

Key features

Fatigue Fracture Prevention: Tapered thread design alleviates stress concentration to prevent tubing string break-off.

Wide OD Range: Available in OD 42.14 MM-508 MM (1.66''-20'') for various tubing connections.

Multiple Material Options: Supports H40, J55, K55, N80, L80, P110, Q125, and other alloy materials.

Corrosion Resistance: Phosphating treatment provides good wear, corrosion, and thread stickiness resistance.

Strict Quality Standards: Complies with API 5CT, GB, ISO11960, GOST standards and includes NDT testing.

Flexible Customization: Offers minor customization for OD, type, material, and packaging options.

1-Year Warranty: Provides a 1-year warranty with online after-sales support service.

Low MOQ: Minimum Order Quantity is just 1 Set, suitable for small batch testing.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryR&D Capabilities

Wise Channel Industries Limited

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Minor Customization CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.76h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): CIF, FOB, CFR, EXW

AI-Powered supplier vetting

SummaryWise Channel Industries Limited is a China-based trading company established in 2019, with three employees and a valid import/export license. The supplier reports petroleum-equipment output of 10,000 sets annually, exports accounting for 90% of sales, and one-month lead times in both peak and off-peak seasons. It offers minor customization but does not provide 3D software design, ODM, SDK, or overseas service infrastructure. No new products were launched in the past year. Service-management documentation is weak: some supplier records exist, but written procedures or records are missing for several controls, including customer complaints. Financial information is reported for 2021–2023, but the slices do not establish financial strength. Certification status, after-sales capability, and customer cases are not sufficiently evidenced.

Supplier typeThe supplier is identified as a Trading Company and a Limited Company, operating in Jiangsu, China. It also reports a valid import/export license, supporting its ability to conduct international trade.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, overseas agent or branch, and has not participated in offline trade shows. Its complaint-handling capability lacks written procedures and records, indicating a documented after-sales weakness.

R&D capabilityThe supplier is not identified as a professional technical supplier, provides no 3D software design, ODM, or SDK, and launched no new products in the past year. Its R&D-supported design offering is limited to minor customization, demonstrating a clear innovation limitation.

Customization capabilityThe supplier explicitly offers minor customization and design services at the minor-customization level. This supports limited product adaptation but not advanced or extensive customized development.

Product Q&A

Q:What are the payment terms?

For new clients, an advance payment of 30%-100% of the total amount is required. The balance must be paid before delivery after inspection.

Q:How can I pay you?

We accept payment by T/T (Telegraphic Transfer) or L/C (Letter of Credit). You can make the payment through your bank as per the terms mentioned in the PI.

Q:What is the order procedure?

First, we discuss order and production details via email or social media. Then we issue a PI for your confirmation. After receiving the deposit, we start production. Before completion, we contact you for shipment details and balance payment. After payment is settled, we arrange shipment.

Q:How do you deal with defective products?

If there are defective items, we usually credit the customer or replace them in the next shipment.

Q:What is the lead time for production?

Depending on the products ordered, it usually takes a couple of days or even months to complete production if items are not in stock. The average lead time is one month for both peak and off-season.