ISO-certified manufacturer & exporter of ASTM A312 TP316 seamless pipe (SMLS), 316 stainless steel seamless pipe, UNS S31600 pipe, SA 312 TP316 SMLS pipe, A312 TP316 schedule 40 pipe, ASTM A312 grade 316 high-pressure stainless steel pipe, corrosion-resistant SS 316 seamless pipe, WNR 1.4401/1.4436 SMLS pipe. Available in standard & custom sizes for industrial, chemical, and export applications.

ASTM A312 TP316 Seamless Pipes Manufacturer & Exporter

At New Eagle Industrial Corporation, we specialize in manufacturing and supplying ASTM A312 TP316 seamless pipes, crafted from high-quality stainless steel to meet the rigorous demands of industrial applications. Our SS 316 seamless pipes are designed to provide superior corrosion resistance, high strength, and durability, making them ideal for high-pressure piping systems.

ASME SA312 TP316 SMLS pipes conform to international standards, including ASTM, ASME, and ISO certifications. Each pipe is precision-engineered to maintain uniform wall thickness, smooth bore, and dimensional accuracy, ensuring optimal performance in both high-temperature and high-pressure environments. The seamless construction eliminates weld seams, reducing the risk of leakage or failure under critical conditions.

We offer 316 seamless pipes in a comprehensive range of sizes, from 1/4″ to 24″, and various wall thicknesses (Schedule 10S to Schedule XXS). We also provide customized solutions to suit specific project requirements.

Every SS 316 SMLS Pipe undergoes stringent quality checks, including hydrostatic testing, PMI, ultrasonic testing, dimensional inspection, and mechanical property verification, ensuring that our products consistently meet international standards and customer expectations.

ISO-certified, reliable, and precision-engineered stainless steel 316 seamless pipes ensure superior performance and long-term durability. With strict quality control, technical expertise, and timely delivery, these pipes provide dependable solutions for critical industrial applications.

Stainless Steel 316 Seamless Pipes – Technical Specifications

Standard

ASTM A312 / ASME SA312

Grade

SS 316

Manufacturing Process

Seamless / Cold Drawn

Outer Diameter Range (OD)

1/4" to 24" (6 mm to 610 mm)

Wall Thickness

Sch 5S to Sch XXS
Common schedules: Sch 10, Sch 40, Sch 80

Length

6 Meters (Standard) / Up to 12 Meters (Custom)

Surface Finish

Bright Annealed (BA), Polished, Pickled & Passivated, or Mirror Finish

End Finish

Beveled, plain, or threaded as per customer requirement

Tolerances

As per ASTM A312 / ASME SA312 (OD, Wall ±10%)

Testing & Inspection

Hydrostatic Test, Eddy Current Test, Ultrasonic Test, PMI, Mechanical Testing, Dimensional & Visual Inspection

Heat Treatment

Bright Annealed / Solution Annealed at 1900°F (1040°C)

Surface Protection

Plastic-capped ends, HDPE/woven wrapping, export bundles with tags

Certifications

EN 10204 3.1 / 3.2, ISO 9001, PED (on request)

Equivalent Standards

UNS S31600 • WNR 1.4401 • JIS SUS316 • BS 316S31 • GOST 03Ch17N14M3

Applications

Instrumentation, Process Piping, Heat Exchangers, Condensers, Chemical & Petrochemical Plants, Food & Pharma Piping

SS UNS S31600 SMLS pipe – Chemical Composition

The chemical composition of ASTM A312 TP316 seamless pipes ensures excellent corrosion resistance, high strength, and durability in aggressive industrial environments, making them ideal for chemical, petrochemical, and marine applications.

ElementComposition (%)
Carbon (C)0.08 max
Manganese (Mn)2.0 max
Phosphorus (P)0.045 max
Sulfur (S)0.03 max
Silicon (Si)1.0 max
Chromium (Cr)16.0 – 18.0
Nickel (Ni)10.0 – 14.0
Molybdenum (Mo)2.0 – 3.0
Iron (Fe)Balance

A312 TP316 schedule 40 seamless pipes – Mechanical Properties

The mechanical properties of ASTM A312 TP316 seamless pipes provide high tensile and yield strength, excellent ductility, and toughness, ensuring reliable performance in high-pressure, high-temperature, and corrosive environments.

PropertyValue
Tensile Strength515 – 720 MPa
Yield Strength205 MPa min
Elongation40% min
Hardness≤ 95 HRB
Impact StrengthGood, notched specimens at room temperature
Density8.0 g/cm³

316 Stainless Steel Seamless Pipe – Equivalent Grades

The equivalent grades of ASTM A312 TP316 seamless pipes ensure global compatibility, allowing use in chemical, petrochemical, and industrial applications while maintaining consistent corrosion resistance, mechanical strength, and weldability.

Standard / CountryGrade / Designation
ASTM / ASME (USA)A312 TP316
UNS (USA)S31600
EN / DIN (Europe)1.4401
EN / DIN (Europe)1.4436
JIS (Japan)SUS316
GOST (Russia)08Х17Н13М2
BS / UK316S31
AFNOR / FranceZ6CND17-12
WNR / Europe1.4401 / 1.4436
What is the difference between TP316 and TP316L seamless pipes?
  • TP316:
    • Contains standard carbon content (≤ 0.08%).
    • Ideal for general industrial applications where welding is minimal or not critical.
    • Provides excellent corrosion resistance in most chemical and marine environments.
  • TP316L:
    • Low-carbon variant (≤ 0.03%), designed to minimize carbide precipitation during welding.
    • Offers superior resistance to intergranular corrosion, especially in welded structures or heat-affected zones.
    • Preferred in chemical, petrochemical, and high-temperature piping systems where welding is frequent.
  • Molybdenum Addition (2–3%):
    • Enhances resistance to chloride-induced corrosion.
    • Reduces risk of pitting in aggressive chemical and marine environments.
  • Chromium Content (16–18%):
    • Forms a passive oxide layer on the surface of the pipe.
    • Provides continuous protection against oxidation and localized corrosion.
  • Applications:
    • Ideal for seawater pipelines, desalination plants, chemical processing units, and offshore installations.
    • Ensures long-term durability and reliability even in highly corrosive conditions.
  • TP316:
    • Contains molybdenum, enhancing resistance to chlorides, acids, and aggressive chemicals.
    • Suitable for marine, offshore, chemical, and petrochemical applications.
    • Offers better performance in high-temperature and high-pressure environments.
  • TP304:
    • Lacks molybdenum, making it less resistant to chlorides and harsh chemicals.
    • Suited for general-purpose applications, such as food processing, water piping, and HVAC systems.

As a trusted manufacturer and exporter, New Eagle Steel supplies A312 Stainless Steel 316 Seamless Pipes globally. Our high-performance products are widely used in chemical processing, pollution control, marine, and pharmaceutical industries across Europe, the Middle East, Asia, and the Americas, ensuring exceptional corrosion resistance, reliability, and precision engineering.

  • Middle East: United Arab Emirates (UAE), Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, Yemen, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey
  • North Africa: Egypt, Algeria, Morocco, Tunisia, Libya
  • Asia Pacific: Singapore, Malaysia, Vietnam, Indonesia, Thailand, Philippines, Cambodia, Laos, Myanmar, Brunei, Timor-Leste, Taiwan, Japan, South Korea
  • Europe: Spain, Belgium, Netherlands, France, Germany, Italy, United Kingdom (England), Poland, Cyprus, Malta, Russia
  • Americas: Brazil, Mexico, Chile, Peru, Colombia, Argentina, United States (USA), Canada
  • India: Chennai, Coimbatore, Bangalore, Thiruvananthapuram, Pune, Kolkata, Kerala, Karnataka, Gujarat, Mumbai, Delhi

Applications of ASTM A312 Stainless Steel 316 Seamless Pipes Across Industries

Oil & Gas Industry
Oil & Gas Industry
Petrochemical & Chemical Processing
Petrochemical & Chemical Processing
Power Generation (Thermal, Nuclear & Renewable)
Power Generation (Thermal, Nuclear & Renewable)
Marine & Offshore Engineering
Marine & Offshore Engineering
Pharmaceuticals & Biotechnology
Pharmaceuticals & Biotechnology
Food, Beverage & Dairy Processing
Food, Beverage & Dairy Processing
Pulp & Paper Industry
Pulp & Paper Industry
Aerospace & Defense
Aerospace & Defense
Automotive & Transportation
Automotive & Transportation
instrumentation control systems
Instrumentation & Control Systems
Water Treatment & Desalination
Water Treatment & Desalination
HVAC & Heat Exchanger Systems
HVAC & Heat Exchanger Systems
Construction & Infrastructure Projects
Construction & Infrastructure Projects
Mining & Metallurgy
Mining & Metallurgy
Semiconductor & High-Purity Gas Distribution
Semiconductor & High-Purity Gas Distribution