310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes

High Carbon Grade • Superior Creep Strength • Extreme Heat & Oxidation Resistance

Manufacturers and suppliers of 310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes, engineered for extreme high-temperature, high-pressure, and oxidizing environments in petrochemical, refinery, and power generation systems.

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

310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes

Our 310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes are engineered for extreme high-temperature and high-stress environments where superior creep strength, oxidation resistance, and long-term mechanical stability are essential. The higher carbon content of Grade 310H enhances structural integrity and resistance to deformation in continuous elevated-temperature service, while the high chromium and nickel content delivers outstanding protection against scaling, oxidation, and thermal fatigue.

The seamless, precision-manufactured construction ensures uniform wall thickness and smooth internal surfaces, reducing pressure losses and enhancing flow efficiency in critical hydraulic and instrumentation systems. These tubes maintain reliable performance under high pressure, severe thermal cycling, and aggressive operating conditions, making them ideal for safety-critical fluid control and measurement applications.

Widely used in petrochemical and refinery systems, power generation facilities, industrial heating and furnace equipment, chemical processing plants, and thermal processing operations, our 310H stainless steel seamless tubes are manufactured and tested to international standards to deliver a durable, high-performance, and cost-effective solution for harsh, heat-intensive, and corrosive service environments.

310H Stainless Steel Seamless Hydraulic and Instrumentation Tubes

Comprehensive Global Reach

Our 310H 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, supporting petrochemical complexes, power generation facilities, oil & gas operations, and large-scale infrastructure and EPC projects that demand high-temperature, high-pressure, and oxidation-resistant tubing solutions.

In Europe, we supply Italy, Germany, Spain, the United Kingdom, France, Turkey, and Eastern European markets, where our 310H stainless steel seamless tubes are valued for their exceptional creep strength, resistance to scaling and thermal fatigue, and precision manufacturing in demanding refinery, thermal processing, and high-temperature instrumentation service environments.

Africa, Americas & Asia-Pacific

Across Africa, the Americas, and the Asia-Pacific region, our 310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes support offshore platforms, industrial heating systems, chemical processing plants, power generation facilities, and heavy manufacturing industries—delivering dependable performance in extreme heat, high-pressure, and aggressive operating conditions.

Commitment to Quality

Wherever you operate—Doha, Dubai, London, Houston, or Singapore—Seminox Pipes & Tubes delivers premium-quality 310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes, manufactured and certified to international standards for precision, traceability, and long-term performance in critical, heat-intensive fluid control and instrumentation applications worldwide.

Key Features of 310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes

Precision Seamless Manufacturing

Produced 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 performance in high-temperature hydraulic and instrumentation systems.

Exceptional High-Temperature Strength

The higher carbon content of Grade 310H enhances creep resistance and mechanical stability at elevated temperatures, making these tubes ideal for continuous service in heat-intensive and thermal processing environments.

Outstanding Oxidation & Scaling Resistance

High chromium and nickel content provides superior protection against oxidation, scaling, and thermal degradation in extreme heat and oxidizing service conditions.

High Strength & Pressure Handling

Designed to perform safely under high internal pressures and mechanical stress, ensuring long-term reliability in critical hydraulic lines, control systems, and high-pressure fluid transfer applications.

Smooth Bore for Accurate Flow Control

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

Long Service Life & Low Maintenance

Engineered for extended durability, reduced downtime, and lower lifecycle costs in petrochemical plants, refineries, power generation facilities, industrial heating systems, and other high-temperature, high-pressure applications.

Product Specification – 310H 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 310H / 310S (High Carbon Variant)
UNS S31009 (310H) / UNS S31008 (310S)
EN 1.4845
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)
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: ≥ 205 MPa
Tensile Strength: 515–690 MPa
Elongation: ≥ 40%
Excellent Creep Resistance at Elevated Temperatures
Applications
High-Temperature Hydraulic & Instrumentation Lines,
Petrochemical & Refinery Systems,
Power Generation & Thermal Processing Plants,
Industrial Heating & Furnace Equipment,
Chemical Processing Units,
High-Pressure & High-Heat Fluid Transfer Systems,
Oxidizing & Heat-Intensive Service Environments

Manufacturing, Testing & Quality Assurance – 310H Stainless Steel Tubes

Advanced Manufacturing

310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes are produced using precision cold drawing and cold rolling processes, followed by controlled solution annealing and high-temperature heat treatment. This ensures a stable, fully austenitic microstructure with enhanced oxidation resistance, superior surface finish, and tight dimensional tolerances for high-temperature, high-pressure hydraulic, control, and instrumentation service applications.

Inspection & Testing

Each tube undergoes stringent quality control including Eddy Current Testing (ECT), Hydrostatic or Pneumatic Pressure Testing, Positive Material Identification (PMI), chemical composition analysis, high-temperature mechanical property testing, dimensional inspection, and 100% visual examination. These processes ensure compliance with ASTM A213 / A269 and ASME SA213 / SA269 standards for safe and reliable performance in heat-intensive, high-pressure, and critical 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

Typical Applications of 310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes

High-Temperature Hydraulic & Pneumatic Control Systems
Instrumentation & Process Control Lines in Heat-Intensive Plants
Petrochemical Refineries & Furnace Tube Systems
Power Generation, Boilers & Turbine Control Systems
Chemical Processing Units & Thermal Reactors
Heat Exchangers & High-Temperature Fluid Transfer Lines
Kilns, Incinerators & Industrial Heating Equipment
Steel, Cement & Metallurgical Processing Plants
Oxidizing, Scaling & Extreme Temperature Service Environments

Need 310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes for Your Project?

Partner with Seminox Pipes & Tubes for certified, project-ready 310H Stainless Steel Seamless Hydraulic & Instrumentation Tubes manufactured to international standards and supplied with EN 10204 3.1 / 3.2 MTC. Trusted worldwide for power generation, petrochemical, furnace systems, chemical processing, and high-temperature industrial environments requiring exceptional oxidation resistance, high mechanical strength, and long-term operational reliability under extreme heat and pressure conditions.

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

Monday — Friday 9am – 5pm
Saturday — 10am – 3pm
Sunday — Closed

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