What are the common sizes for the square pipe?

Common sizes range from 19*19mm to 200*200mm with thicknesses of 2.5mm and 3mm.

What standards do your pipes meet?

Our pipes meet ASTM, AISI, GB, JIS, DIN, EN, and GOST standards.

What is the maximum length of the pipe?

The maximum length available is 18 meters.

304 316 Stainless Steel Welded Square Pipe

Name: 304 316 Stainless Steel Welded Square Pipe
Brand: SHAANXI RUIYANG IMPORT EXPORT CO., LTD.
SKU: 865432485

Shaanxi, ChinaSHAANXI RUIYANG IMPORT EXPORT CO., LTD.

US$2,000.00-5,000.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Stainless Steel Pipes

Standard

ASTM, AISI, GB, JIS, DIN, EN, Customed

Model NO.

20X2-200X20

Grade

300 Series

Certification

ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS

Shape

Square

Technique

Cold Rolled

Surface Treatment

Bright

Od

19-200mm

Thickness

2.5-3mm

Welded Type

Longitudinal Welded Pipe

Customed

Yes

Surface

2b,Ba,6K

Process

Cold Rolled,Welded

Transport Package

in Bundles or Wooden Box

Specification

19-200mm THICKNESS: 2-3mm

Trademark

RUIYANG

Origin

China

HS Code

73069000

Production Capacity

10000t

Key features

Wide Grade Selection: Available in 300 series including 304, 316, 310S, 321, 347, and more.

Customized Dimensions: Custom OD from 19-200mm and thickness from 2.5-3mm accepted.

Multiple Surface Options: Offers 2b, Ba, 6K, bright, annealed, pickled, and polished finishes.

Comprehensive Certifications: ISO, RoHS, IBR, ASTM, GB, EN, DIN, JIS, and AISI certified.

High Quality Raw Material: Uses Tsingshan Brand cold rolled coils with spectrum direct-reading test.

Extensive Testing: Includes tensile, flattening, flaring, hydrostatic, and corrosion tests.

Added Value Services: Provides cutting, beveling, and burr-free processing services.

Competitive Pricing: Lower cost than seamless pipes with large stock availability.

Company profile

SHAANXI RUIYANG IMPORT EXPORT CO., LTD.

Shaanxi, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-05-07Nearest Port: Shanghai, Tianjin, NingboAverage Response Time: ≤5.95hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryThe supplier manufactures centrifugal cast tubes and titanium products and reports more than 10 years of experience. It has integrated smelting, rolling, forging, cold drawing, and finish-machining production lines, 50 quality-control staff, and annual output in the stated US$10 million–US$50 million range. It reports ISO 9000/9001/14000/14001 and BSCI certifications. The supplier provides broad customization and ODM services, has introduced new products in the past year, and offers OEM services to known brands. Export sales account for 90%, with seven years of export experience and self-operated import/export rights. Complaint handling and corrective-action procedures are documented and followed. However, quality test equipment is reported as zero, traceability and quality-assurance status are unknown, and there is no overseas warehouse, showroom, agent, branch, or offline trade-show participation. Financial information is represented only by years, so financial strength cannot be verified.

Supplier typeThe supplier is a manufacturing company focused on centrifugal cast tubes and titanium products, with more than 10 years of experience and production capabilities covering smelting, hot and cold rolling, forging, cold drawing, and finish machining. Its 90% export-sales share, seven years of export experience, and self-operated import/export rights indicate an export-oriented industrial manufacturer.

CertificationsThe supplier reports BSCI, ISO 9000, ISO 9001, ISO 14000, and ISO 14001 certifications. These stated management-system and social-compliance certifications provide explicit evidence of certification coverage.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and reports lead times within 15 workdays in both peak and off-season periods. However, it has no overseas agents or branches, overseas warehouse, showroom, or offline trade-show participation, limiting evidence of localized overseas support.

R&D capabilityThe supplier reports new products within the past year, ODM availability, broad R&D customization services, and R&D engineers with 6–10 years of total experience. It does not have an available SDK, but the supplied evidence supports product-development and design capability.

Production capacityThe supplier reports an integrated multi-process production system, 50 quality-control staff, inventory capability, 30 qualified service suppliers, and lead times within 15 workdays in both seasons. However, it reports zero quality-control test equipment, while quality assurance and traceability status are unknown; production scale is therefore supported, but testing controls are a material concern.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM services, demonstrating broad stated customization coverage.

Client casesThe supplier reports providing OEM services to known brands, which is direct evidence of brand-customer experience. No specific customer names, project details, product volumes, or independently verifiable case information are provided.