Bright Annealed Stainless Steel Seamless Tubes 304 316L 2205 with Clean and Smooth Surfaces Are Used in Precision Mechanical Equipment

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Product Description

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Basic Information

Material
Stainless Steel
Surface
Bright Annealed
Section Shape
Round
Hardness Range
Hv100 - 250
Thickness
0.5~6mm, Customizable
Length
1000~6000mm, Customizable
MOQ
100kg
HS Code
7304419000
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Product Description

Finishing BA Tube
MaterialCarbon steel, stainless steel, and alloy materials selectable for various scenarios.
Size RangeOuter diameter: 6 - 168 mm; Wall thickness: 0.5 - 8 mm. Custom sizes available.
Surface QualityRoughness Ra0.1 - 0.3μm, presenting a mirror-like effect without defects.
Hardness RangeControlled between HV100 - 250 to meet processing requirements.
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Precision Rolled BA: High-quality pipes made through precision rolling and bright annealing in protective gas. This process ensures extremely high dimensional accuracy and forms a dense oxide film that enhances corrosion resistance while maintaining metallic luster.

Manufacturing process
Quality check
Precision-rolled BA pipes offer mirror-like surfaces that eliminate the need for further treatment, improving production efficiency for welding and bending. The high-precision dimensions ensure a perfect fit during installation, reducing leakage risks.
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Application And Usage

Application 1
Application 2
Application 3
  • 📍 Automotive: Fuel and brake pipes for safe vehicle operation.
  • 📍 Hydraulic Systems: High-pressure hydraulic oil pipes.
  • 📍 Instruments: High-precision instrument pipes for strict accuracy requirements.
  • 📍 Decoration: High-end furniture decorative parts and structural components.
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Technical Specifications

StandardASTM, GB, EN, AISI, JIS, DIN
Grade300 Series (304, 316L, 321, etc.), 400 Series, Duplex Steel (2205, 2507, etc.)
Outer DiameterSeamless: 3mm-1020mm; Welded: 6mm-630mm
Wall Thickness0.5mm - 50mm
Surface FinishPickling, Sandblast, Bright Polished, Mirror Polishing
ManufacturingCold Rolled, etc.
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Main Products & Certifications

Main Product Catalog
Main product range includes: Finned Tube, Heat Exchangers, Air Coolers, Condensers, Boiler Tubes, Economizers, and Stainless Steel Pipes.
Certificates
Certified by ISO 9001, ISO 9000, ISO 14001, and ISO 14000.
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Packaging & Shipping

Packaging

Standard sea-worthy packing to ensure safe transit for international orders.

Frequently Asked Questions

Q1: What factors affect the price of BA tubes?
The price is influenced by material grades, specifications (diameter/wall thickness), market supply and demand, and fluctuations in raw material costs like nickel and chromium.
Q2: How do you detect the quality of seamless pipes?
We use appearance checks for surface defects, dimension measurement, nondestructive testing (ultrasonic and eddy current), chemical composition analysis, and mechanical properties testing.
Q3: Do you offer customized stainless steel products?
Yes, we provide customization for seamless stainless steel tubes based on specific customer needs, including varied sizes, materials, and surface treatments.
Q4: Which standards do your products comply with?
Our products comply with national (GB), international (ISO), and industry standards (ASTM, DIN, JIS). Specific customization is also available to meet unique requirements.
Q5: What is the typical delivery lead time?
Delivery time depends on the order volume and product specifications. Generally, it takes between 2 to 4 weeks, with exact dates confirmed upon order placement.

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