What standards do your pipes meet?

Our products comply with ASTM, AISI, JIS, EN, and GB international standards.

What are the tolerance levels?

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

How are the products packaged?

Inner packing uses plastic bags wrapped with woven bags, and outer packing uses wooden boxes.

Premium Durable Carbon Steel Pipes for Oil Separation Solutions

Name: Premium Durable Carbon Steel Pipes for Oil Separation Solutions
Brand: Zhejiang Sanji Stainless Co., Ltd.
SKU: 1993770792

Zhejiang, ChinaZhejiang Sanji Stainless Co., Ltd.

US$600.00-800.00

10 Tons

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Type

Welded

Technique

ERW

Material

Carbon Steel

Surface Treatment

Polished

Usage

Machinery Industry, Construction & Decoration

Keyword1

Pipe

Keyword2

Steel Pipe

Keyword3

Stainless Pipe

Transport Package

Wooden Box

Specification

OD: 4mm-133mm

Trademark

Sanji

Origin

Xinchang Shaoxing

HS Code

7306400000

Production Capacity

200 Ton

Key features

Diverse Size Range: Round pipes available from 8.5mm to 133mm with wall thickness 0.4mm-4mm.

Custom Dimensions: Length and dimensions can be customized according to customer requirements.

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

Premium Surface Finish: Options include Bright Anneal and Mirror finish for polished appearance.

OEM and ODM Services: Full OEM and ODM services available with 5 dedicated R&D engineers.

Fast Delivery: Lead time is one month for both peak and off-peak seasons.

Multiple Standards: Products comply with ASTM, AISI, JIS, EN, and GB standards.

Robust Packaging: Inner packing in plastic bags, outer packing in wooden boxes for safety.

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: ≤5.05h 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.