What are the standard grades and materials?

We use austenitic stainless steels from BAOSTEEL or TISCO, including grades 304, 304L, and 316L, complying with ASTM, AISI, GB, JIS, DIN, and EN standards.

What is the range of outer diameters available?

The outer diameter ranges from 16mm to 2000mm. Standard sanitary pipes range from 25.40mm to 101.6mm, covering 80% of market needs.

Do you support OEM and ODM services?

Yes, we support OEM/ODM/Customized services. Our engineers can analyze technical difficulties based on your engineering drawings and discuss cooperation plans.

4 Inch Stainless Steel Sanitary Pipe with Bright Annealing

Name: 4 Inch Stainless Steel Sanitary Pipe with Bright Annealing
Brand: Guangdong Yaolong Metal Technology Co., Ltd.
SKU: 940801975

Guangdong, ChinaGuangdong Yaolong Metal Technology Co., Ltd.

US$19.00

600-1,799 Meters

US$17.00

1,800-2,999 Meters

US$15.00

3,000+ Meters

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Welded

Technique

Cold Rolled

Model NO.

YLGD-ST-131

Material

Stainless Steel

Surface Treatment

No.1, No.4, 2b, Ba, Hl, 8K, Polish, Pickling

Usage

Food/Beverage/Dairy Products

Section Shape

Round

Standard

ASTM, AISI, GB, JIS, DIN, En

Grade

300 Series

Certification

TUV, ISO, SGS, En 10204 3.1

Outer Diameter

16mm - 2000mm

Length

6m-18.3m

Thickness

0.8mm - 20mm

MOQ

2 Tons

Visit Our Factory

Welcome

Application

Food Industry;Beverage Industry;Pharmacy;etc.

Transport Package

Woven Bag; Wooden Box;

Trademark

Yaolong

Origin

Foshan or Nantong

HS Code

7326909000

Production Capacity

150 Tons Per Month

Key features

High Strength & Durability: 3 times stronger than steel pipe and 8-10 times stronger than plastic pipe, resistant to earthquakes and leaks.

Hygienic Smooth Interior: Smooth inner wall prevents scaling and bacterial infection, ensuring safe drinking water and food grade hygiene.

Wide Customization Range: Outer diameter 16mm-2000mm, thickness 0.8mm-20mm, with various surface treatments like Bright Annealing and Mirror finish.

Multiple Certification Standards: Complies with ASTM A270, AS 1528.1, EN 10357, DIN 11850, ISO 2037, JIS G3447, and holds ISO9001/TUV certifications.

Thermal Insulation Performance: Low thermal conductivity with insulation performance five times that of copper pipe, suitable for high-temperature fluids.

Professional Manufacturer: 13 years experience with 3 factories, annual capacity over 15,000 tons, specializing in welded stainless steel pipes.

OEM/ODM Service Available: Supports custom profiles with engineering drawings, providing professional design and technical analysis for specific needs.

Global Export Experience: Exported to Australia, Canada, Germany, USA, UAE, etc., with extensive experience serving 118+ project contractors.

Company profile

Guangdong Yaolong Metal Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2005-01-01 CertifiedNearest Port: Foshan Port, Guangzhou port, Nantong Port, Shenzhen PortAverage Response Time: ≤2.12h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryGuangdong Yaolong Metal Technology Co., Ltd. is a China-based limited company established in 2004, with 131 employees and operations in Foshan, Guangdong. It specializes in stainless steel and aluminum flagpoles, light poles, bollards, tubes, pipes, and related products. The supplier reports ISO 9001, ISO 14001, and ISO 45001 certifications, more than 10 production lines, 50 quality-control staff, seven R&D engineers, and documented production capacity across poles, tubes, pipes, and bollards. It has exported since 2005, with exports representing 41%–50% of sales, and lists overseas markets including the United States, Canada, Australia, the United Kingdom, Spain, and Gulf countries. Evidence supports production, certification, international sales, and some innovation capability, while after-sales service, financial credibility, customization capability, and specific customer cases remain insufficiently documented.

Supplier typeThe supplier is identified as Guangdong Yaolong Metal Technology Co., Ltd., a Chinese limited company established in 2004, with its head office and operating location in Foshan, Guangdong. It is described as an enterprise integrating R&D, design, production, and distribution, while another record classifies the company nature as a trading company; therefore, it has both trading and manufacturing-related characteristics.

CertificationsThe supplier reports ISO 9001:2015 quality-management certification, ISO 14001:2015 environmental-management certification, and ISO 45001:2016 occupational-health-and-safety certification. A separate description also references ISO 9001, ISO 1400, and GB/T 28001 systems, providing consistent evidence of formal management-system certification.

R&D capabilityThe company states that it integrates R&D and design, employs seven R&D engineers, and has applied for patents including an electronic monitoring and control device for a flag-raising system. Its listed CNC, laser, plasma, water-jet, bending, polishing, and other equipment further supports technical development and engineering capability.

Production capacityThe supplier reports more than 10 production lines, 50 quality-control staff, monthly output of 5,000 units and annual output of 60,000 units for stated products, plus annual capacities of 240,000 meters each for flag poles and light poles, 10,000 tons for tubes and pipes, and 100,000 meters for bollards. Its extensive machinery list and dedicated factory location in Shunde provide additional evidence of established manufacturing capability.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional manufacturer with 3 factories, specializing in producing welded stainless steel tube and pipe fittings for over 13 years.

Q:How long is your delivery time?

Delivery time depends on quantity. Generally, it is 30 days. Peak season lead time is one month, while off-season is within 15 workdays.

Q:Can you provide free samples?

If no logo or artwork is printed, samples are free. You only need to cover the freight cost via your express account (FedEx, DHL, etc.). Otherwise, express fees apply.

Q:What is the MOQ for this product?

The Minimum Order Quantity (MOQ) is 2 Tons.

Q:What surface treatments are available?

We offer No.1, No.4, 2b, Ba, Hl, 8K, Polish, Pickling, Satin/Hairline, Bright Anneal, and Mirror finishes based on customer requirements.