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Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > Stainless Steel Sanitary Tube 304 1.5 Inch OD 20 Gauge Polished Inner Diameter

Stainless Steel Sanitary Tube 304 1.5 Inch OD 20 Gauge Polished Inner Diameter

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Product Spotlights

ISO9001 certified 304 sanitary tube with 1.5 inch OD, 20 gauge wall, and inner diameter polished to Ra ≤ 0.8 μm. Ensures superior cleanability, corrosion resistance, and dimensional precision for food, dairy, beverage, and pharma applications. Custom lengths available; shipped from Qingdao port with global reach.

Negotiable MOQ: 1 Ton (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, 304 Stainless Steel

outer_diameter:

1.5 inch (38.1 mm)

wall_thickness:

20 Gauge (0.035 inch / 0.89 mm)

Contact Supplier Request Quote Chat Now

Hemaokang Steel (Shandong) Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

Qingdao Port

Delivery Detail:

7 days

Product Details
Company Profile
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Material Other, 304 Stainless Steel

outer_diameter 1.5 inch (38.1 mm)

wall_thickness 20 Gauge (0.035 inch / 0.89 mm)

surface_finish Inner Diameter Polished (Ra ≤ 0.8 μm)

standard Sanitary / 3A / ASTM A270

application Food, Dairy, Beverage, Pharmaceutical

length Customizable (e.g., 20 ft / 6 m)

brand Hemaokang

package Plastic caps + waterproof paper + wooden cases

Hemaokang Steel (Shandong) Co., Ltd., established in 2025 with an annual export value exceeding US$50 million and a dedicated team of 51–100 professionals, is proud to introduce our premium Stainless Steel Sanitary Tube 304 1.5 Inch OD 20 Gauge Polished Inner Diameter. This tubing is engineered for the most demanding sanitary applications in food processing, dairy, beverage, and pharmaceutical industries, combining superior corrosion resistance with an ultra-smooth internal finish that prevents bacterial growth and product contamination. Our commitment to quality is backed by ISO9001 certification, ensuring every tube meets stringent international standards.

Crafted from high-grade 304 stainless steel, this sanitary tube features an outer diameter of exactly 1.5 inches (38.1 mm) with a 20 gauge wall thickness (0.035 inch / 0.89 mm). The interior surface is mechanically polished to a roughness average (Ra) of ≤ 0.8 μm, providing excellent cleanability and resistance to fouling. Ideal for transfer lines, heat exchangers, and storage tanks, it delivers consistent performance under both high-temperature and corrosive environments.

Key Features & Technical Specifications

Material Grade: AISI 304 stainless steel (1.4301) – excellent weldability and formability.
OD Tolerance: ± 0.005 inch (± 0.13 mm) for precise fit with standard sanitary fittings.
Wall Thickness: 20 gauge (0.035 inch) – provides optimal strength while maintaining lightweight characteristics.
Inner Surface Finish: Mechanically polished to Ra ≤ 0.8 μm, meeting 3A and ASTM A270 sanitary standards.
Length Options: Standard lengths of 20 ft (6 m), with custom lengths available upon request.
End Preparation: Plain ends or beveled ends for welding; also suitable for tri-clamp connections.
Surface Protection: Each tube is capped and wrapped to prevent damage during transit.

Specification	Value
Outer Diameter	1.5 inch (38.1 mm)
Wall Thickness	20 Gauge (0.035 inch / 0.89 mm)
Inner Diameter (approximate)	1.43 inch (36.33 mm)
Surface Roughness (ID)	Ra ≤ 0.8 μm
Standard	ASTM A270 / 3A Sanitary
Certification	ISO9001:2015
Packaging	Plastic caps + waterproof paper + wooden crates

Product Advantages & Customer Benefits

Enhanced Cleanability: The polished inner diameter (Ra ≤ 0.8 μm) minimizes bacterial adhesion and facilitates CIP (Clean-in-Place) cycles, reducing downtime and cleaning costs.
Corrosion Resistance: Grade 304 offers excellent protection against organic acids, alkalis, and chlorides commonly found in food and pharmaceutical environments.
Dimensional Precision: Tight OD tolerance ensures compatibility with all standard sanitary fittings (tri-clamp, butt-weld, etc.), simplifying installation and reducing leakage risk.
Long Service Life: High-quality material and controlled manufacturing process provide durability even under repeated thermal and mechanical stress.
Customizable Lengths: Available in any length from 1 m to 12 m to meet specific project requirements, minimizing waste.

With over US$50 million in annual exports and serving markets across North America, South America, Europe, Asia, Africa, and Oceania, Hemaokang Steel is a trusted partner for global sanitary tubing needs. Our ISO9001-certified facility in Liaocheng, Shandong ensures strict quality control from raw material inspection to final packaging. We ship from Qingdao port with fast lead times and professional logistics support. Choose Hemaokang for reliable, high-performance stainless steel sanitary tubes that meet the highest hygiene standards.

Frequently Asked Questions (FAQ)

Q: What is the inner diameter of this tube?
A: The approximate inner diameter is 1.43 inches (36.33 mm) based on the 1.5 inch OD and 20 gauge wall thickness. For precise ID, please refer to our tolerance specifications.
Q: Is this tube suitable for potable water systems?
A: Yes, 304 stainless steel is widely used for potable water applications. However, for specific local regulations, please consult your engineer.
Q: Can you provide cut-to-length service?
A: Absolutely. We offer custom lengths to reduce material waste. Please specify your required length when placing an order.
Q: What types of fittings are compatible with this tube?
A: This tube is designed to work with standard 1.5 inch sanitary fittings, including tri-clamp (ferrule), butt-weld, and threaded connections.
Q: How is the inner surface polished? Is it electropolished or mechanical?
A: Our standard finish is mechanical polishing to Ra ≤ 0.8 μm. Electropolishing is available as an option for even smoother surfaces.
Q: Do you have any certifications for food contact materials?
A: Yes, our 304 stainless steel complies with FDA and EU food contact regulations. We also provide material test reports (MTR) upon request.
Q: What is the minimum order quantity?
A: For standard sizes, MOQ is 100 meters. For custom specifications, please contact our sales team.
Q: How do you ensure the tube quality during shipping?
A: Each tube is individually capped, wrapped with waterproof paper, and packed in sturdy wooden crates to prevent scratches and bending.

Trust Hemaokang Steel – your reliable source for high-quality stainless steel sanitary tubes. Contact us today for a competitive quote or technical consultation.

Product Tags: Stainless Steel Sanitary Tube 304 , 1.5 Inch OD 20 Gauge Polished Tube , 304 SS Sanitary Pipe Inner Diameter Polished