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Stainless Steel 303 Pipes

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Stainless Steel 304 Tubes

Stainless Steel 303 Pipes – 303 Stainless Steel Manufacturer, Supplier & Distributor

Detailed Information

When precision machining, high-speed production, and dimensional consistency are your priorities, Stainless Steel 303 Pipes offer an excellent balance of machinability and corrosion resistance. As a trusted 303 Stainless Steel Manufacturer, Supplier & Distributor, we provide premium quality Stainless Steel 303 pipes and SS 303 pipes that meet international standards and serve diverse industrial applications.

With years of hands-on industry experience, we understand how material performance directly impacts fabrication efficiency, component life, and operational reliability. That’s why our 303 grade pipes are sourced, processed, and tested under strict quality control measures to ensure dependable performance in real-world conditions.

What is Stainless Steel 303?

303 is an austenitic chromium-nickel alloy specifically modified with sulfur to enhance machinability. This addition significantly improves cutting characteristics compared to 304 grade, making it ideal for parts requiring extensive machining operations.

As an experienced 303 Stainless Steel Pipe Manufacturer & Supplier, we recommend 303 grade where machining speed, tool life, and surface finish are critical, such as in precision components, fittings, and instrumentation assemblies.

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Stainless Steel 303 Pipes – Specifications

We supply Stainless Steel 303 Pipes in a wide range of sizes, thicknesses, and finishes to meet varied industrial requirements.

Grade: 303

UNS Number: S30300

Standard: ASTM A312, ASTM A213, ASTM A269

Size Range: ½” NB to 24” NB

Outer Diameter: 6.00 mm to 610 mm

Wall Thickness : 0.5 mm to 25 mm

Length: Single Random, Double Random, Cut Length

Form: Round, Square, Rectangular

Finish: Annealed, Pickled, Polished

As a reliable 303 Stainless Steel Manufacturer, Supplier & Distributor, we also provide custom dimensions based on project drawings and specific industrial needs.

Chemical Composition of SS 303 Pipes

Element

Composition (%)

Chromium (Cr)

17.0 – 19.0

Nickel (Ni)

8.0 – 10.0

Sulfur (S)

0.15 min

Carbon (C)

0.15 max

Manganese (Mn)

2.0 max

Silicon (Si)

1.0 max

Phosphorus (P)

0.20 max

Iron (Fe)

Balance

Mechanical Properties of Stainless Steel 303 Pipes

Our Stainless Steel 303 pipes are tested to ensure they meet mechanical performance standards.

Property

Value

Tensile Strength

620 MPa (min)

Yield Strength

240 MPa (min)

Elongation

50%

Hardness

190 HB (max)

Density

8.0 g/cm³

These properties make SS 303 suitable for structural and precision applications requiring reliable mechanical performance.

 

Key Features of Stainless Steel 303 Pipes

Our SS 303 pipes are widely chosen for the following advantages:

  • Excellent machinability due to sulfur addition
  • Good resistance to atmospheric corrosion
  • Non-magnetic in annealed condition
  • Good mechanical strength
  • Easy fabrication and forming
  • Consistent dimensional accuracy
  • Smooth surface finish

While 303 provides slightly lower corrosion resistance than 304, it remains suitable for many non-severe environments where machining efficiency is a higher priority.

Types of Stainless Steel 303 Pipes We Supply

We supply a comprehensive range of SS 303 pipes including:

  • 303 Seamless Pipes
  • 303 Welded Pipes
  • 303 ERW Pipes
  • 303 EFW Pipes
  • 303 Round Pipes
  • 303 Square Pipes
  • 303 Rectangular Pipes

Each product is manufactured and processed according to applicable ASTM standards to ensure global acceptance.

Applications of Stainless Steel 303 Pipes

Due to their superior machinability, Stainless Steel 303 Pipes are commonly used in:

  • Precision machined components
  • Automotive parts
  • Fasteners and fittings
  • Shafts and bushings
  • Instrumentation systems
  • Valve components
  • Food processing equipment (non-severe environments)
  • Oil & gas fittings
  • Architectural hardware

We regularly supply to manufacturers who prioritize machining efficiency and dimensional consistency in high-volume production.

Why Choose Us as Your 303 Stainless Steel Manufacturer, Supplier & Distributor?

Selecting the right supplier directly affects your project’s timeline, cost, and performance. Here’s why industries trust us:

  • Experience-Driven Supply: With extensive experience in handling austenitic grades, we understand how 303 behaves during machining, welding, and fabrication.
  • Ready Stock Availability: We maintain an inventory of standard sizes to ensure quick dispatch and reduced lead times.
  • Custom Cutting & Finishing: We offer value-added services such as custom cutting, polishing, and packaging tailored to your project requirements.
  • Strict Compliance with Standards: All Stainless Steel 303 pipes are supplied in compliance with ASTM and international specifications.
  • Transparent Documentation: We provide complete material test certificates (MTC), ensuring traceability and quality assurance.
  • Global Distribution Network: As a recognized 303 Stainless Steel Manufacturer & Supplier, we export to multiple countries, maintaining international packaging and shipping standards.

Request a Quote for 303 Stainless Steel Manufacturer, Supplier & Distributors

If you are searching for a dependable 303 Stainless Steel Pipe Manufacturer & Supplier,  we are ready to assist. Share your size requirements, quantity, and project specifications, and our team will provide a competitive quotation along with technical support.

We are committed to delivering high-quality SS 303 pipes that combine machinability, durability, and dimensional precision — ensuring your production runs smoothly and efficiently.

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