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Home > Industrial Equipment & Components > Filtration Equipment & Parts > Filter Bag & Cartridge > 304 Stainless Steel Helically Perforated Tube With 1 Year Warranty and Mill Test Report

304 Stainless Steel Helically Perforated Tube With 1 Year Warranty and Mill Test Report

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304 Stainless Steel Helically Perforated Tube With 1 Year Warranty and Mill Test Report photo-5

Product Spotlights

Premium 304 stainless steel helically perforated tube with customizable hole size, pitch, and length. Includes 1-year warranty and Mill Test Report for full traceability. Ideal for filtration, ventilation, and agricultural applications. Manufactured by an experienced Chinese factory since 1998 with annual export value US$5M–10M.

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

Key Specifications

Get Latest Price

Material:

Other, 304 Stainless Steel

perforation_type:

Helical / Spiral

hole_diameter:

Customizable (e.g., 2mm-20mm)

Contact Supplier Request Quote Chat Now

Anping County Boli Hardware Wiremesh Products Factory

2Yrs

Payment & Shipping

Payment Methods:

Port of Shipment:

tianjin shanghai qingdao

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Material Other, 304 Stainless Steel

perforation_type Helical / Spiral

hole_diameter Customizable (e.g., 2mm-20mm)

pitch_distance Customizable (e.g., 5mm-50mm)

wall_thickness 0.5mm - 5mm

length Customizable (up to 6m per piece)

surface_finish Mill finish, optional passivation

warranty 1 Year

mill_test_report Available upon request

application Filtration, ventilation, soundproofing, agricultural equipment

Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer of precision metal components. Our 304 Stainless Steel Helically Perforated Tube is engineered to deliver consistent performance in demanding environments. Each tube is produced with strict quality control, backed by a 1-year warranty and a Mill Test Report to ensure material traceability and mechanical integrity. Whether you need filtration, liquid distribution, or structural support, this product offers a reliable solution with excellent corrosion resistance and durability.

Key Features & Technical Specifications

Our helically perforated tubes are manufactured from high-grade 304 stainless steel, providing exceptional resistance to rust and oxidation. The helical perforation pattern ensures uniform flow distribution and structural strength. Below are the core parameters:

Parameter	Specification
Material	304 Stainless Steel (ASTM A240 equivalent)
Perforation Pattern	Helical (spiral) arrangement
Hole Diameter	2mm – 20mm (customizable)
Pitch (Distance between holes)	5mm – 50mm (customizable)
Wall Thickness	0.5mm – 5.0mm
Length	Up to 6 meters per piece (custom lengths available)
Surface Finish	Mill finish; optional passivation or pickling
Warranty	1 Year
Mill Test Report	Provided with each order

Product Advantages & Customer Benefits

Superior Corrosion Resistance: 304 stainless steel ensures long service life in humid, chemical, or outdoor environments.
Uniform Flow Distribution: The helical perforation pattern minimizes pressure drop and provides even fluid/gas passage.
High Structural Integrity: The spiral arrangement maintains tube strength while allowing maximum open area.
Customizable Dimensions: Hole size, pitch, wall thickness, and length can be tailored to your specific application.
Easy Installation: Smooth ends and consistent dimensions simplify assembly into existing systems.
Full Traceability: Each shipment includes a Mill Test Report verifying material composition and mechanical properties.
Reliable Warranty: 1-year warranty covers manufacturing defects, giving you peace of mind.

Typical Applications

Filtration and screening (water, oil, gas)
Ventilation and air distribution ducts
Soundproofing and acoustic panels
Agricultural machinery (e.g., seed drills, sorting drums)
Chemical processing equipment
Architectural and decorative elements

Trust & Quality Assurance

Anping County Boli Hardware Wiremesh Products Factory has been in operation since 1998, with an annual export value of US$5 Million – US$10 Million. Our products are shipped to major ports including Tianjin, Qingdao, Shanghai, Foshan, and exported to markets across North America, South America, Europe, Asia, Africa, and Oceania. With a dedicated manufacturing facility in Hengshui, Hebei, we combine decades of experience with modern production techniques. Each 304 Stainless Steel Helically Perforated Tube is thoroughly inspected before shipment, and the Mill Test Report is provided as standard documentation. The 1-year warranty reflects our confidence in product quality. Contact us today to discuss your custom requirements or request a quotation.

Frequently Asked Questions

Q: What is the lead time for custom orders?
A: Typical lead time is 15–25 working days, depending on the quantity and complexity of customization. Please contact us for an exact estimate.
Q: Can you provide samples before bulk order?
A: Yes, we offer samples. Sample cost is negotiable, and it will be deducted from the bulk order if you place one.
Q: Is the Mill Test Report included for every tube?
A: Yes, the Mill Test Report is provided with each shipment, covering chemical composition and mechanical properties of the 304 stainless steel.
Q: What is the maximum length you can produce?
A: Standard maximum length is 6 meters. Longer lengths can be discussed for large orders.
Q: Do you offer custom hole patterns besides helical?
A: Yes, we can produce straight, staggered, or custom patterns. Helical is our standard for uniform distribution.
Q: How do you package the tubes for export?
A: Tubes are bundled with protective wrapping, fixed with steel straps, and packed in wooden crates or pallets as needed to prevent damage during transit.
Q: What payment terms do you accept?
A: We accept T/T, L/C, and other common terms. Payment conditions can be negotiated.
Q: Is the 1-year warranty applicable to all defects?
A: The warranty covers manufacturing defects under normal use conditions. It does not cover damage due to misuse, improper installation, or unauthorized modifications.