What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and O/A.

What is the typical lead time?

Peak season lead time is one month; off-season is within 15 workdays.

Which standards does this product comply with?

The product complies with API 5CT and ISO11960 technical specifications.

API 5CT Coupling 13-3/8 Inch K55 Tubing Coupling

Name: API 5CT Coupling 13-3/8 Inch K55 Tubing Coupling
Brand: Chengdu Derbo Steel Co., Ltd
SKU: 807892385

Sichuan, ChinaChengdu Derbo Steel Co., Ltd

US$650.00

10 Tons

Product profile

Customization

Available

Type

Seamless

Technique

Hot Rolled

Model NO.

API 5CT

Material

API J55, API K55, API L80, API N80, API P110, etc.

Surface Treatment

Black

Usage

Oil/Gas Drilling

Section Shape

Round

Size

114.3 - 508 mm

Thickness

5.21 - 16.13 mm

Length

R1/R2/R3

Connection

Btc, Fox, Hydril(Equivalent)etc

Transport Package

Regular Packing or Buyers' Requirement

Specification

SGS, CE

Trademark

Derbo

Origin

China

HS Code

3917310000

Production Capacity

100000

Key features

Wide Material Range: Available in API J55, K55, L80, N80, P110, and other grades.

Customizable Dimensions: Size 114.3-508mm, Thickness 5.21-16.13mm, Length R1/R2/R3.

Seamless Construction: Hot rolled seamless tubing with black surface treatment.

Multiple Connection Types: Supports BTC, Fox, Hydril, and other equivalent connections.

Strict API Compliance: Meets API 5CT and ISO11960 standards with precise tolerances.

Proven Industry Experience: Over 10 years of focus on OCTG with global cooperation.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and O/A.

Competitive Pricing: Reasonable prices with competitive support for oil & gas projects.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamIn-stock Capacity

Chengdu Derbo Steel Co., Ltd

Sichuan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-08-08Nearest Port: Tianjin port, Guangzhou port, Shanghai portAverage Response Time: ≤0.08hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT, Others

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization and ODM capabilities, maintains inventory capacity, accepts multiple trade and service-payment terms, and reports ISO9001:2015 and CE certifications. However, its service-management procedures lack written records, and it has no overseas showroom, overseas agents or branches, overseas warehouse, or offline trade-show participation. No new products were reported in the past year, and digital management capabilities appear limited, with no ERP, CRM, SAP, SDK, or AI-based management implementation identified. Financial information supplied for the stated periods consists of zero values, which does not establish financial credibility. Evidence of named customers, completed projects, or recognized-brand OEM work is absent.

CertificationsThe supplier reports an ISO9001:2015 certificate and CE product certification capability. It also states that regular fire drills were conducted during the past year, supporting operational safety practice, although no additional certification details are provided.

After-Sales capabilityThe supplier has written procedures for service assessment, corrective and preventive action, and customer complaints, but has no written records demonstrating implementation. It lacks overseas service infrastructure and overseas warehouse capability, while offering multiple quotation and payment terms and reporting one-month lead times in both peak and off-season.

Financial creditThe supplied financial indicators for the stated periods are all recorded as zero, including operating revenue, costs, profit, gross margin, and current ratio. This information does not demonstrate financial strength or reliable financial performance.

R&D capabilityThe supplier offers ODM and multiple forms of customization, but reports no new products in the past year and no available SDK. It also reports no ERP, CRM, SAP, or AI-based management implementation, while the stated technical-transformation, big-data, and OA capability values are zero.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. These stated offerings provide clear evidence of broad customization capability.