What are the accepted payment terms?

We accept T/T, L/C, D/P, D/A, PayPal, Western Union, Credit Card, and other methods.

What is the size range of the pipes?

Outer diameter ranges from 6mm to 2500mm, and wall thickness ranges from 1mm to 150mm.

Where is the company located?

We are based in Liaocheng, Shandong, China, which is a large production base for stainless steel products.

Large Diameter Rectangular Stainless Steel Tube 304 316 Square Carbon Steel Pipes

Name: Large Diameter Rectangular Stainless Steel Tube 304 316 Square Carbon Steel Pipes
Brand: Liaocheng Jiujiang Machinery Manufacturing Co., Ltd.
SKU: 2227377295

Shandong, ChinaLiaocheng Jiujiang Machinery Manufacturing Co., Ltd.

US$2,240.00-5,672.00

1 Ton

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Type

Stainless Steel Square Pipe

Technique

Hot Rolled

Material

Stainless Steel

Surface Treatment

Polished

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

Square

Standard

ASTM, AISI, GB, JIS, DIN

Certification

ISO, RoHS, Ibr, AISI, ASTM, GB, En, DIN, JIS

Shape

Round Square

Grade

200/300/400 Series, 410, 316L, 316, 430, 409L

Tolerance

±1%

Delivery Time

8-14 Days

Length/Width/Thickness

Customized as Required

Transport Package

Standard Sea-Worthy Export Packing or as Required

Specification

custom

Trademark

jiujiang

Origin

China

Production Capacity

50000

Key features

Wide Size Range: Outer diameter 6mm-2500mm and wall thickness 1mm-150mm available.

Customization Support: Shape, grade, and dimensions can be customized as required.

High Quality Material: Made from 304, 316, 201 stainless steel with high hardness and firm welding.

Smooth Cutting: High precision cutting machine ensures smooth, flat, and polished cuts.

Fast Delivery: Delivery usually completed within 8 to 14 working days after deposit.

Strict Quality Control: Pre-production samples and final inspections before shipment ensure quality.

Versatile Application: Suitable for petroleum, chemical, construction, boiler, and machinery industries.

Standard Packaging: Standard export seaworthy packaging or customized as per customer needs.

Company profile

Exhibition ExperienceIn-stock CapacityOEM ServicesStandardized quality control

Liaocheng Jiujiang Machinery Manufacturing Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Qingdao portAverage Response Time: ≤6.78h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, product development, quality-control procedures, and manufacturing equipment coverage. It reports ODM and OEM capabilities, new products within the past year, finished-product inspection instructions, inventory capacity, ERP-based operational management, and participation in an offline trade show. However, the evidence also shows limitations in international service infrastructure: no overseas agents or branches, warehouse, showroom, or stated overseas service countries. Manufacturing governance has gaps, including no valid contract with related subcontractors, no outsourcing SOP, and no continuous batch quantity reconciliation. Financial credibility and formal certifications cannot be confirmed from the provided information.

Supplier typeThe supplier presents itself as a manufacturer with own-brand quality-control capability, ODM and OEM services, R&D activity, and in-stock capacity. The available evidence supports a manufacturing and product-development-oriented supplier type, although the precise legal or business classification is not stated.

After-Sales capabilityThe supplier has documented corrective and preventive action and customer-complaint procedures with follow-up records, accepts multiple service quotation and payment terms, and maintains inventory capacity. However, it has no overseas agents or branches, overseas warehouse, overseas showroom, or stated overseas service countries, limiting evidence of localized international after-sales support.

R&D capabilityThe supplier reports new products within the past year, ODM capability, multiple customization-oriented design services, new automatic anti-wear production equipment, and ERP-based digital management. It lacks an available SDK, but the broader evidence supports active product and process development.

Production capacityProduction resources include laser cutting, rolling, shearing, bending, punching, shot blasting, and powder-coating equipment, with two production lines, inventory capacity, and stated lead times within 15 working days in both peak and off-season. Nevertheless, there is no valid contract with related subcontractors, no outsourcing SOP, and no continuous batch quantity reconciliation, indicating manufacturing-control weaknesses.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, and provides drawing-based ordering support for wear-resistant ceramic tile molds. The stated production-data error for wear-resistant ceramic tiles is no more than 1 mm, further supporting application-specific manufacturing capability.