What are the outer diameter and thickness ranges?

Seamless Pipe OD: 10.3mm-141.3mm, Thickness: 1.2mm-12mm. Welded Pipe OD: 10mm-273mm, Thickness: 1.0mm-20mm.

What certifications do your products have?

Products are certified with ISO9001-2008, ASME, PED, ABS, CCS, LR, DNV, and TUV.

Can you customize the length?

Yes, standard length is 5.8-6.1m, but we can customize length as per customer requests.

Bright Annealing Sleek Surface Seamless Stainless Steel Duplex Pipe Sch80 100 Thickness Manufacturing Process Versatile Used

Name: Bright Annealing Sleek Surface Seamless Stainless Steel Duplex Pipe Sch80 100 Thickness Manufacturing Process Versatile Used
Brand: Wenzhou Sinco Steel Co., Ltd.
SKU: 858601425

Zhejiang, ChinaWenzhou Sinco Steel Co., Ltd.

US$3,000.00

1-49 Tons

US$2,150.00

50+ Tons

Sample price:US$10.00/meter.Request sample

Product profile

Customization

Available

Type

Seamless

Technique

Cold Rolled,Cold Drawn,Hot Rolled,ERW,Efw

Model NO.

Pipe

Material

Stainless Steel

Surface Treatment

Varnishing/Polished/Antiseptical/Oiled

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Round

Quality

Good

Company

Manufacturer in Wenzhou

Customize

Available

Length

6mm~1200mm

Transport Package

Nuded Cargo or Nylon Bags or Wooden Box

Specification

as demand

Trademark

SINCO

Origin

China

HS Code

7304419000

Production Capacity

2000 Tons Per Month

Key features

Corrosion Resistance: Chromium layer protects against water, chemicals, and environmental factors for long lifespan.

High Strength & Pressure: Seamless construction withstands extreme temperatures and pressure without leaks or failures.

Hygienic & Clean: Smooth interior prevents bacteria accumulation, ideal for food, beverage, and medical industries.

Versatile Material Grades: Available in TP304, 316L, 321, 347, Duplex S31803/S32205, and other specialized grades.

Customizable Dimensions: OD: 10.3-273mm, Thickness: 1.0-20mm, Length: 5.8-6.1m or as requested.

Multiple Surface Finishes: Options include Satin, Hairline, Mirror finish, pickling, annealing, varnishing, and oiled coating.

Strict Quality Control: Certified ISO9001-2008, ASME, PED, ABS, CCS, LR, DNV, TUV with UT, ET, HT, RT tests.

Manufacturer Direct: Wenzhou-based manufacturer with branch workshops ensuring superior product quality.

Company profile

In-stock CapacityManagement CertificationYears of Export ExperienceFast Delivery

Wenzhou Sinco Steel Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤6.36h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier serving nuclear, food processing, coal gasification, environmental protection, and aerospace industries. It offers broad customization, including sample-, design-, full-, minor-, and flexible customization, supported by CAD and documented design inputs, outputs, reviews, verification, and validation. However, it does not provide 3D software design, ODM, SDK, private mold, or well-known-brand OEM services, and reported no new products in the past year. Export experience is established, with 13 years of exporting and 71%–90% of sales from exports, but no overseas showroom, agent, branch, or offline trade-show participation. ERP, OA, CRM, SAP, digitalization, and big-data initiatives are reported. Complaint handling and corrective/preventive action lack written procedures or records, while certification, financial credibility, production capacity, and customer cases are insufficiently evidenced.

Supplier typeThe supplier explicitly identifies as a professional technical supplier and describes service orientation toward nuclear, food processing, coal gasification, environmental protection, and aerospace industries. This supports classification as an industry-focused technical supplier rather than a general trading entity.

After-Sales capabilityThe supplier has no overseas showroom, agent, branch, or offline trade-show history, and reports no written procedures or records for complaint handling or corrective and preventive actions. These explicit limitations indicate weakly documented after-sales and service-support capability.

R&D capabilityThe supplier has R&D-related design documentation and CAD capability, but reports no new products in the past year, no ODM, no SDK, no patents, and no private mold designs. The evidence shows basic design capability but also explicit limitations in recent product innovation and proprietary development.

Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization, supported by CAD and documented design review, verification, and validation materials. This is direct evidence of broad customization capability, although the supplier does not offer 3D software design services or private molds.