What shapes are available for these pipes?

We supply both round and square shapes to accommodate different installation and design needs.

What are the tolerance standards for dimensions?

Tolerances are strictly controlled: outer diameter +/- 0.2mm, thickness +/- 0.02mm, and length +/- 5mm.

What certifications do your products hold?

Our products comply with ASTM, AISI, EN standards and hold ISO, RoHS, and Reach certifications.

Premium Quality Underfloor Heating Distribution Pipes for Maximum Performance

Name: Premium Quality Underfloor Heating Distribution Pipes for Maximum Performance
Brand: Zhejiang Sanji Stainless Co., Ltd.
SKU: 2075718302

Zhejiang, ChinaZhejiang Sanji Stainless Co., Ltd.

US$1,800.00-2,850.00

1 Ton

Sample price:US$3.00/kg.Request sample

Product profile

Customization

Available

Type

Stainless Steel Pipes

Standard

ASTM, AISI, EN

Model NO.

36.3*40.5

Grade

300 Series

Certification

ISO, ASTM, EN

Shape

Square

Technique

Welded

Surface Treatment

Polished

Transport Package

Wooden Box

Specification

OD: 8mm-133mm

Origin

Xinchang Shaoxing

HS Code

7306400000

Production Capacity

200 Ton

Key features

Premium Stainless Steel Material: Available in 304, 304L, 316, and 316L grades for superior corrosion resistance.

Wide Range of Dimensions: Outer diameters from 8.5mm to 133mm and wall thickness 0.4mm-2.5mm.

Customizable Length: Lengths tailored to customer requests, with 6000mm as the standard option.

Versatile Shape Options: Offered in both round and square shapes to suit various applications.

High Precision Tolerances: Outer diameter +/- 0.2mm, thickness +/- 0.02mm, and length +/- 5mm.

Superior Surface Finish: Bright annealed with mirror finish for aesthetic and functional performance.

OEM and ODM Services: Full customization support available with dedicated R&D engineers.

Comprehensive Certifications: Meets ASTM, AISI, EN standards and holds ISO, RoHS, and Reach certifications.

Company profile

Zhejiang Sanji Stainless Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2013-06-08 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤5.21h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryZhejiang Sanji Stainless Co., Ltd. is identified as both a trading company and manufacturer/factory in Zhejiang, China. It reports TS 16949 and ISO 9001 certification, nearly 20 years of history, and equipment including CNC lathes, hydraulic presses, precision detectors, annealing furnaces, and ultrasonic cleaners. Reported production includes stainless steel welded tubes/pipes, steel tubes, deep-drawn parts, and manifolds, with stated off-peak lead times within 15 working days and peak-season fulfillment within one month. The supplier exports to a broad range of regions and began exporting in 2013. Its descriptions emphasize customer satisfaction, technical and commercial services, and long-term cooperation, but the provided information does not establish detailed after-sales procedures, verified financial strength, or extensive customer-case evidence.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory in the company profile, while another record describes its company nature as a trading company. The combined records indicate trading and manufacturing involvement, although the classification is not fully consistent across records.

CertificationsThe supplier reports TS 16949 and ISO 9001 certification, and separately states that it has been awarded ISO 9001:2008 quality assurance certification. These records provide explicit evidence of quality-management certification, although no certificate validity dates or certificate copies are supplied.

R&D capabilityThe supplier reports purchasing CNC lathes, hydraulic pressure machines, precision detectors, advanced bright annealing furnaces, automatic ultrasonic cleaners, and other machine tools to improve productivity and product quality. It also develops and manufactures multiple stainless-steel and valve-related products, supporting an equipment- and development-related capability assessment.

Production capacityReported annual output includes 30,000 tons of stainless steel welded tubes/pipes, 50,000 tons of steel tubes, 40,000,000 deep-drawn parts, and 2,000,000 manifolds. The supplier also reports lead times within 15 working days off-peak and one month during peak season, providing explicit evidence of substantial production capacity and stated fulfillment capability.

Customization capabilityThe supplier states that customer requirements are the starting point for creating win-win outcomes and offers varied processing products such as metal stamping, deep drawing, CNC machining, manifolds, valve components, tubes, and auto parts. This supports customization and contract-manufacturing capability, although specific customization examples or engineering workflows are not provided.