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Stainless Steel 301 Seamless Pipes

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We are a leading supplier and exporter of 301 Stainless Steel Seamless Pipe, engineered to deliver exceptional strength, corrosion resistance, and durability in demanding industrial environments. Designed for structural, mechanical, and high-performance applications, our pipes are manufactured in compliance with international standards including ASTM A778 ASME SA778 301 Stainless Steel Seamless Pipe specifications.

If you are searching for high tensile strength austenitic stainless material with superior work-hardening characteristics, AISI 301 Seamless Pipe is an ideal choice. With controlled chemical composition and strict quality inspection procedures, we ensure that every pipe meets global quality standards and industry-specific requirements.

What is 301 Stainless Steel Seamless Pipe?

301 Stainless steel Seamless Pipe is an austenitic chromium-nickel stainless steel pipe known for its high strength and excellent corrosion resistance. Compared to 304 grade, 301 contains slightly lower nickel content, which enhances work hardening capability and tensile strength.

Seamless pipes are manufactured without a welded seam, making them stronger and more reliable under high pressure and temperature conditions. This makes ASME SA778 301 Stainless Steel Seamless Pipe suitable for industries where structural integrity and safety are critical.

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ASTM A778 ASME SA778 301 Stainless Steel Seamless Pipe Specifications

Specification: ASTM A778 / ASME SA778 

Grade: 301 Stainless Steel

UNS Number: S30100

Standard: ASTM A778 ASME SA778 301 Stainless Steel Seamless Pipe

Size Range: 1/8” NB to 24” NB

Wall Thickness : SCH 5 to SCH XXS

Length: Single Random, Double Random, Custom Cut

Finish: Annealed, Pickled, Polished

Form: Round, Square, Rectangular

Chemical Composition of AISI 301 Seamless Pipe

Element

Composition (%)

Carbon (C)

Max 0.15

Manganese (Mn)

Max 2.00

Silicon (Si)

Max 1.00

Chromium (Cr)

16.00 – 18.00

Nickel (Ni)

6.00 – 8.00

Nitrogen (N)

Max 0.10

Phosphorus (P)

Max 0.045

Sulfur (S)

Max 0.030

Mechanical Properties of 301 Stainless Steel Seamless Pipe

Property

Value

Tensile Strength

515 MPa (Min)

Yield Strength

205 MPa (Min)

Elongation

40% (Min)

Hardness

HRB 95 Max

Key Features of ASME SA778 301 Stainless Steel Seamless Pipe

1. High Strength: Thanks to its lower nickel content and high work-hardening rate, AISI 301 offers greater tensile strength compared to 304 grade.

2. Excellent Corrosion Resistance: Resistant to atmospheric corrosion, mild chemicals, and oxidizing environments.

3. Good Formability: Despite its strength, the material can be formed and fabricated easily.

4. Superior Fatigue Resistance: Suitable for applications involving dynamic or cyclic loading.

5. Seamless Construction Advantage: Absence of weld seam improves pressure handling capacity and reduces leakage risks.

Applications of 301 Stainless Steel Seamless Pipe

Due to its mechanical strength and corrosion resistance, ASTM A778 ASME SA778 301 Stainless Steel Seamless Pipe is widely used in:

  • Automotive structural components
  • Railway coach manufacturing
  • Aerospace parts
  • Structural tubing
  • Chemical processing units
  • Heat exchangers
  • Oil and gas pipelines
  • Industrial machinery

We have supplied AISI 301 Seamless Pipe to clients across manufacturing, engineering, and heavy fabrication industries, ensuring reliable performance in critical applications.

Why Choose AISI 301 Seamless Pipe Over Other Grades?

While 304 and 316 stainless steels are widely used, AISI 301 Seamless Pipe offers:

  • Higher tensile strength
  • Better work hardening properties
  • Cost-effective alternative for structural applications
  • Excellent fatigue resistance

For applications where strength-to-weight ratio is critical, 301 is often preferred over standard 304 grade. We export 301 Stainless Steel Seamless Pipe and ASME SA778 301 Stainless Steel Seamless Pipe to Middle East, Europe, Asia, and African markets, ensuring timely delivery and documentation compliance.

Request a Quote for 301 Stainless Steel Seamless Pipe

If you are looking for reliable supply of ASTM A778 ASME SA778 301 Stainless Steel Seamless Pipe, we are ready to assist you. Whether your requirement is bulk industrial supply or project-based customized sizing, our team ensures competitive pricing and consistent quality.

Contact us today to get detailed specifications, technical consultation, and the latest pricing for AISI 301 Seamless Pipe and 301 Stainless steel Seamless Pipe.

We are committed to delivering high-strength, corrosion-resistant stainless solutions that meet global industrial standards and exceed customer expectations.

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