317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes

Low Carbon Grade • Superior Corrosion Resistance • Enhanced Chloride & Chemical Protection

Manufacturers and suppliers of 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes, engineered for highly corrosive, petrochemical facilities, offshore platforms, marine systems, and critical industrial fluid control networks.

ISO 9001:2015 • ISO 14001:2015 • ISO 45001:2018 • PED 2014/68/EU • EN 10204 3.1/3.2 Certified

317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes

Our 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes are engineered for highly corrosive and chloride-rich service environments where superior chemical resistance, long-term mechanical strength, and operational reliability are essential. The low-carbon composition of Grade 317L minimizes the risk of intergranular corrosion after welding, while the higher molybdenum content delivers exceptional resistance to pitting, crevice corrosion, and aggressive chemical attack in demanding industrial conditions.

The seamless, precision-manufactured construction ensures uniform wall thickness and smooth internal surfaces, reducing turbulence and pressure losses while enhancing flow efficiency in critical hydraulic and instrumentation systems. These tubes maintain structural integrity under high pressure, thermal cycling, and continuous chemical exposure, making them ideal for safety-critical fluid control and precision measurement applications.

Widely used in chemical processing plants, petrochemical facilities, offshore platforms, marine systems, pharmaceutical production, and power generation units, our 317L stainless steel seamless tubes are manufactured and tested to international standards to deliver a durable, high-performance, and cost-effective solution for harsh, corrosive, and high-purity service environments.

317L Stainless Steel Seamless Hydraulic and Instrumentation Tubes

Comprehensive Global Reach

Our 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes are trusted across major industrial cities in India and throughout the Middle East, including the UAE, Saudi Arabia, Qatar, Kuwait, Oman, and Bahrain. These regions rely on our high-molybdenum, corrosion-resistant tubing solutions for chemical processing plants, petrochemical facilities, marine systems, and large-scale infrastructure and EPC projects operating in aggressive and chloride-rich environments.

In Europe, we supply Italy, Germany, Spain, the United Kingdom, France, Turkey, and Eastern European markets, where our 317L stainless steel seamless tubes are valued for their exceptional resistance to pitting, crevice corrosion, and chemical attack, as well as their excellent weldability and long-term reliability in demanding hydraulic, pharmaceutical, marine, and precision instrumentation service environments.

Africa, Americas & Asia-Pacific

Across Africa, the Americas, and the Asia-Pacific region, our 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes support offshore platforms, desalination plants, chemical processing units, marine systems, and heavy manufacturing industries—delivering dependable performance in corrosive, high-pressure, and chemically aggressive operating conditions.

Commitment to Quality

Wherever you operate—Doha, Dubai, London, Houston, or Singapore—Seminox Pipes & Tubes delivers premium-quality 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes, manufactured and certified to international standards for precision, traceability, and long-term performance in critical fluid control and instrumentation applications worldwide.

Key Features of 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes

Precision Seamless Manufacturing

Manufactured using advanced cold drawing and seamless forming processes to ensure uniform wall thickness, tight dimensional tolerances, and smooth internal surfaces for reliable fluid flow and accurate instrumentation performance.

Enhanced Corrosion & Chloride Resistance

The higher molybdenum content in 317L stainless steel provides superior resistance to pitting, crevice corrosion, and chloride-induced attack, making these tubes ideal for chemical processing, marine, offshore, and aggressive service environments.

Low-Carbon Grade for Superior Weldability

The low carbon composition of 317L minimizes the risk of intergranular corrosion after welding, ensuring strong, reliable joints in fabricated hydraulic and instrumentation systems.

Smooth Bore for Accurate Flow Control

Precision-finished internal surfaces reduce friction, minimize pressure loss, and enhance flow stability for sensitive instrumentation and process control applications.

High Strength & Chemical Stability

Maintains mechanical integrity and dimensional stability under high pressure, chemical exposure, and cyclic operating conditions in demanding industrial environments.

Long Service Life & Reduced Maintenance

Engineered for extended durability, reduced downtime, and lower lifecycle costs in chemical plants, petrochemical facilities, marine systems, pharmaceutical processing, and corrosive fluid handling networks.

Product Specification – 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes

Outside Diameter
6.00 mm to 114.30 mm (1/4” to 4.5”)
Wall Thickness
0.71 mm to 12.70 mm (0.028” to 0.500”)
Grade / Material
Austenitic Stainless Steel
AISI 317L (Low Carbon, High Molybdenum Grade)
UNS S31703
EN 1.4438 / EN 1.4446
Manufacturing Process
Seamless (Cold Drawn / Cold Rolled) • Solution Annealed • Pickled / Bright Annealed
Standards & Specifications
ASTM A213 / A213M – Seamless Stainless Steel Tubes (Instrumentation & Heat Transfer)
ASTM A269 – General Service Stainless Steel Tubing
ASTM A511 – Mechanical Tubing
ASME SA213 / SA269
EN 10216-5 (Seamless Precision Tubes)
NACE MR0175 / ISO 15156 (Sour Service, where applicable)
Customer Drawings & EPC / Project Specifications
Length
Standard: 6 meters • Random Lengths • Up to 18 meters
Custom cut lengths as per Project / Instrumentation Requirements
Surface Finish
Annealed & Pickled (AP), Bright Annealed (BA),
Polished (180 / 240 / 320 / 400 / 600 Grit), Electropolished
Mechanical Properties (Typical)
Yield Strength: ≥ 170 MPa
Tensile Strength: 515–690 MPa
Elongation: ≥ 40%
Applications
Chemical & Petrochemical Processing Lines,
Marine & Offshore Equipment,
Pharmaceutical & Food Processing Systems,
High-Pressure Hydraulic & Instrumentation Lines,
Corrosive & Chloride-Rich Environments,
Oil & Gas Processing & Utility Piping,
Precision Fluid Control & Measurement Systems

Manufacturing, Testing & Quality Assurance – 317L Stainless Steel Tubes

Advanced Manufacturing

317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes are manufactured using precision cold drawing and cold rolling processes, followed by controlled solution annealing and pickling or bright annealing. This ensures a fully austenitic, homogeneous microstructure with enhanced corrosion resistance, superior surface finish, and tight dimensional tolerances for high-pressure hydraulic, chemical processing, marine, and instrumentation service applications in highly corrosive environments.

Inspection & Testing

Each tube undergoes comprehensive quality control including Eddy Current Testing (ECT), Hydrostatic or Pneumatic Pressure Testing, Positive Material Identification (PMI), chemical composition verification, mechanical property testing, dimensional inspection, and 100% visual examination. These tests ensure full compliance with ASTM A213 / A269 and ASME SA213 / SA269 standards for safe, reliable, and long-term performance in critical hydraulic, instrumentation, and corrosive service environments.

Certifications & Compliance

Manufactured in accordance with ASTM A213, ASTM A269, ASME SA213, ASME SA269, EN 10216-5, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and PED 2014/68/EU directives. Tubes are supplied with EN 10204 3.1 / 3.2 Mill Test Certificates (MTC), ensuring full traceability, regulatory compliance, and acceptance for EPC, oil & gas, marine, chemical processing, pharmaceutical, and offshore projects worldwide.

Typical Applications of 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes

Hydraulic & Pneumatic Control Systems in Corrosive Environments
Instrumentation & Precision Process Control Lines
Chemical & Petrochemical Processing Plants
Pharmaceutical & Specialty Chemical Facilities
Marine, Offshore & Seawater Handling Systems
Acid Handling & Chloride-Rich Service Lines
High-Pressure & Corrosion-Resistant Fluid Transfer
Heat Exchangers & Thermal Control Systems
Critical, Corrosive & Safety-Sensitive Service Environments

Need 317L Stainless Steel Seamless Hydraulic & Instrumentation Tubes for Your Project?

Partner with Seminox Pipes & Tubes for certified, project-ready 310L Stainless Steel Seamless Hydraulic & Instrumentation Tubes manufactured to international standards and supplied with EN 10204 3.1 / 3.2 Mill Test Certificates. Trusted worldwide for petrochemical, refinery, power generation, and high-temperature industrial applications requiring superior oxidation resistance, excellent weldability, and long-term reliability in heat-intensive and critical service environments.

Get in Touch

Phone Number

022 6659 5296
+91 9987403801
+918433943801

Email

domestic@seminoxpipes.com
export@seminoxpipes.com

Address

1219 / 1220, 12th Floor, Prasad Chambers, Girgaon, Mumbai- 400004

Business Hours

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Saturday — 10am – 3pm
Sunday — Closed

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