Premium Seamless Carbon Steel Tubes for Direct API Sales

Name: Premium Seamless Carbon Steel Tubes for Direct API Sales
Brand: Wise Channel Industries Limited
SKU: 2115477245

Jiangsu, ChinaWise Channel Industries Limited

US$280.00-480.00

10 Pieces

Product profile

Customization

Available

After-sales Service

on Line Support

Warranty

1 Year

Model NO.

API 5L, API 5CT, ASTM A106/A53, ASTM A5

Manufacturing Process

Forging

Surface Treatment

Polishing

Operation Pressure

2000-20000psi

Material

Alloy

Standard

API 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3

Certificate

API 5L Psl1/ Psl2, API 5CT, ISO 9001-2008

out Diameter

10.3-914.4mm

Wall Thickness

1.24-63.5mm

Length

Random Length, Fixed Length, SRL, DRL

Delivery Condition

Bks, Nbk, Bk, Bkw, Gbk(+a), Nbk(+N), Bk(+C)

Mill Test Certificate

En 10204/3.1b

Heat Treatment

Bright Annealed, Spheroidize Annealed, No

Usage

Applicable to The General Structure, Mechanical St

Transport Package

Wooden Case

Specification

4 1/2-20

Origin

Jiangsu China

HS Code

8431431000

Production Capacity

10000units Per Year

Key features

Wide Material Range: Available in API 5L, ASTM A106/A53, ASME SA series, and DIN standards.

Extensive Size Options: Out Diameter 10.3-914.4mm, Wall Thickness 1.24-63.5mm.

High Pressure Capability: Operation pressure ranges from 2000 to 20000 psi.

Comprehensive Certifications: API 5L PSL1/PSL2, API 5CT, ISO 9001-2008, EN 10204/3.1b.

Flexible Length Options: Random Length, Fixed Length, SRL, and DRL available.

Multiple Heat Treatments: Bright annealed, spheroidize annealed, normalized, quenched, and tempered.

1-Year Warranty: Covers mechanical defects with 1-year warranty period.

Online Support Service: On-line support available for after-sales assistance.

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: ≤1.93h 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, advance payment (30%-100% of total amount) is required, the balance need to be paid before the delivery after your inspection.

Q:How can I pay you?

By T/T (Telegraphic Transfer) or L/C (Letter of Credit). After you receive the PI, you can make the payment through your bank as per the terms mentioned in PI.

Q:What is the order procedure?

First we discuss order details, production details by email ,TM or other social media; then we issue you an PI for your confirmation. You will be requested to make full payment or deposit before we go into production.After we get the deposit, we start to process the order. Depending on the products you order, we usually a couple of days or even moths to complete production if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the

Q:How do you deal with defective products received by the clients?

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