Stainless Steel 310 Welded Pipes Manufacturer in India

What are Stainless Steel 310 Welded Pipe?

Stainless Steel 310 Welded Pipe is an austenitic stainless steel pipe manufactured by forming stainless steel strip or plate into a tubular shape and joining the longitudinal seam by welding. The grade contains high levels of chromium and nickel, giving it strong resistance to oxidation, scaling and high-temperature service conditions.

SS 310 Welded Pipe is mainly selected where elevated-temperature strength, oxidation resistance and reliable performance are required. It is commonly used in furnace equipment, heat-treatment systems, combustion-related applications, chemical processing equipment and high-temperature process piping.

Kamal Steels is a Stainless Steel 310 Welded Pipe Manufacturer and Stockist in India, based in Mumbai. The company supplies 310 welded pipes in different sizes, schedules, wall thicknesses, lengths and surface finishes according to customer and project requirements.

The commonly specified pressure-piping designation is ASTM A312 TP310 / ASME SA312 TP310, with UNS designation S31000. Pipes can be supplied with applicable testing, inspection and material documentation according to project requirements.

Stainless Steel 310 Welded Pipe

Table of Contents

Stainless Steel 310 Welded Pipe Specifications

Stainless Steel 310 Welded Pipe is an austenitic stainless steel pipe designed for high-temperature service, oxidation resistance and demanding industrial environments. Its high chromium and nickel content provides excellent resistance to oxidation and scaling at elevated temperatures, while maintaining good corrosion resistance in many process environments.

ASTM A312 TP310 is a commonly specified designation for Stainless Steel 310 Pipe used in pressure and high-temperature applications. Welded pipes are available in different nominal sizes, schedules, wall thicknesses, lengths, end preparations and surface finishes according to applicable ASTM, ASME and project requirements.

Specification Details
Product Stainless Steel 310 Welded Pipe
Grade 310 / Type 310
UNS Number S31000
ASTM Specification ASTM A312
ASME Specification ASME SA312
Material Type Austenitic Stainless Steel
Pipe Type Welded
Manufacturing Process Formed Stainless Steel Strip / Plate with Welded Seam
Nominal Size 1/8 NB to 48 NB and as required
Schedules SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160, XXS and others
Length Single Random, Double Random and Cut Length
End Preparation Plain End, Bevelled End, Threaded End and as required
Surface Finish Annealed & Pickled, Mill Finish, Bright Annealed and Polished
Testing Hydrostatic, Ultrasonic, PMI, Dimensional Inspection and other specified tests
Material Certificate EN 10204 3.1 Certificate available as required

Kamal Steels supplies Stainless Steel 310 Welded Pipes in standard and custom sizes, schedules, wall thicknesses and lengths. Testing, inspection, material certification and export packaging can be provided according to applicable standards and customer requirements.

Stainless Steel 310 Welded Pipe Chemical Composition

The chemical composition of Stainless Steel 310 is responsible for its high-temperature performance and oxidation resistance. The relatively high chromium content helps provide resistance to oxidation and scaling, while nickel stabilizes the austenitic structure and contributes to corrosion resistance and high-temperature performance.

Element Composition (%)
Carbon (C) 0.25 max.
Manganese (Mn) 2.00 max.
Silicon (Si) 1.50 max.
Phosphorus (P) 0.045 max.
Sulfur (S) 0.030 max.
Chromium (Cr) 24.0–26.0
Nickel (Ni) 19.0–22.0
Iron (Fe) Balance

The high chromium and nickel content makes Stainless Steel 310 particularly suitable for elevated-temperature environments where oxidation and scaling resistance are important. The actual chemical composition should be verified against the applicable material specification and material test certificate.

Stainless Steel 310 Welded Pipe Sizes, Dimensions & Wall Thickness

Stainless Steel 310 Welded Pipes are supplied in different nominal pipe sizes, outside diameters and wall thicknesses for high-temperature, industrial and process piping systems. The required dimensions are selected according to pipe size, operating pressure, temperature, design code and project specifications.

Common pipe schedules include SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160 and XXS, subject to pipe size and availability. Heavier schedules provide greater wall thickness and may be selected for applications requiring additional pressure or mechanical capacity.

Nominal Pipe Size Outside Diameter Common Schedules
1/8 NB 10.3 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S
1/4 NB 13.7 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S
1/2 NB 21.3 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S
1 NB 33.4 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S
1 1/2 NB 48.3 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S
2 NB 60.3 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S
3 NB 88.9 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S
4 NB 114.3 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S
6 NB 168.3 mm SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160
8 NB 219.1 mm SCH 10S, SCH 40S, SCH 80S, SCH 160
10 NB 273.1 mm SCH 10S, SCH 40S, SCH 80S, SCH 160
12 NB 323.9 mm SCH 10S, SCH 40S, SCH 80S, SCH 160
14 NB 355.6 mm SCH 10S, SCH 40S, SCH 80S
16 NB 406.4 mm SCH 10S, SCH 40, SCH 80
18 NB 457.2 mm SCH 10S, SCH 40, SCH 80
20 NB 508.0 mm SCH 10S, SCH 40, SCH 80
24 NB 610.0 mm SCH 10S, SCH 40, SCH 80

Kamal Steels supplies Stainless Steel 310 Welded Pipes in standard and custom sizes, schedules, wall thicknesses and lengths according to applicable standards, customer drawings and project specifications.

ASTM A312 TP310 Welded Pipe Dimensions & Tolerances

ASTM A312 TP310 Welded Pipes are manufactured with controlled dimensional requirements for outside diameter, wall thickness, length and other applicable dimensions. Dimensional accuracy is important for pipe fabrication, welding, fit-up and installation.

Parameter Requirement
Outside Diameter Controlled according to applicable ASTM A312 dimensional requirements and specified pipe size.
Wall Thickness Controlled according to specified nominal thickness and applicable standard requirements.
Length Available in standard random, double random or specified cut lengths.
Ovality Controlled to maintain acceptable pipe roundness and dimensional consistency.
End Preparation Plain, bevelled or other specified end preparation.

Dimensional inspection can be performed to verify outside diameter, wall thickness, length and other applicable requirements. Additional inspection and testing can be specified for critical projects.

Stainless Steel 310 Welded Pipe Pressure Rating

The pressure rating of Stainless Steel 310 Welded Pipe depends on the pipe outside diameter, wall thickness, operating temperature, allowable material stress and applicable piping design code. Because 310 is commonly selected for high-temperature applications, pressure design must account for the actual service temperature.

Factor Effect on Pressure Design
Pipe Size Outside diameter is considered in pressure design calculations.
Wall Thickness A thicker wall generally provides greater pressure carrying capability.
Pipe Schedule Different schedules provide different nominal wall thicknesses.
Operating Temperature Allowable material stress varies with service temperature.
Design Code The applicable piping code determines the design methodology.
Corrosion Allowance Additional wall thickness may be required for corrosion or erosion.

The maximum allowable working pressure should be determined using the actual design temperature, pressure, pipe dimensions and applicable engineering code. A pipe schedule should not be selected from a generic pressure value without project-specific design verification.

Stainless Steel 310 Welded Pipe Equivalent Grades

Stainless Steel 310 is identified by different designations under international material standards. These designations help engineers, procurement teams and manufacturers identify the corresponding material grade during international sourcing.

Standard 310 Designation
ASTM 310
ASME SA312 TP310
UNS S31000
EN 1.4841
JIS SUS 310

Equivalent material designations should be verified against chemical composition, mechanical properties, heat treatment, manufacturing requirements and applicable project standards before substitution.

Stainless Steel 310 Welded Pipe Surface Finish

The surface finish of Stainless Steel 310 Welded Pipe is selected according to the application, manufacturing process and required surface condition. Industrial high-temperature piping generally uses standard mill or annealed and pickled finishes, while specialized applications may require brighter or polished surfaces.

Surface Finish Description Typical Application
Annealed & Pickled Heat-treated and chemically cleaned surface. Industrial process piping
Mill Finish Standard surface obtained during manufacturing. General industrial applications
Bright Annealed Bright and smooth surface produced by controlled annealing. Specialized process applications
Polished Mechanically finished surface with improved smoothness. Specialized applications

The required finish should be specified according to the operating environment, cleaning requirements, fabrication process and final use. Kamal Steels can supply Stainless Steel 310 Welded Pipes with specified surface conditions according to customer and project requirements.

Stainless Steel 310 Welded Pipe Applications

Stainless Steel 310 Welded Pipes are used mainly in high-temperature and oxidizing environments where resistance to scaling and heat is important. The grade is suitable for selected furnace, heat-treatment, chemical and industrial process applications.

Application Typical Use
Furnace Equipment High-temperature furnace piping and components
Heat Treatment Heat-treatment systems and high-temperature process lines
Petrochemical Selected high-temperature process systems
Chemical Processing Process piping and equipment exposed to elevated temperatures
Power Generation Selected high-temperature piping systems
Industrial Heating Heating and combustion-related equipment
Process Plants High-temperature process and utility piping

The suitability of Stainless Steel 310 should be evaluated against the actual operating temperature, pressure, atmosphere, corrosion conditions and applicable design requirements.

Industries Using Stainless Steel 310 Welded Pipe

Stainless Steel 310 Welded Pipes are used across industries where high-temperature resistance, oxidation resistance and stainless steel durability are required. The appropriate grade, pipe dimensions and schedule are selected according to the operating conditions of each application.

Industry Typical Use
Power Generation High-temperature piping and process systems
Petrochemical Elevated-temperature process piping
Chemical Processing High-temperature chemical process systems
Oil & Gas Selected process and heat-related piping applications
Heat Treatment Furnaces and high-temperature process equipment
Industrial Manufacturing Fabricated high-temperature equipment and piping
Engineering & Fabrication High-temperature industrial piping systems

Kamal Steels supplies Stainless Steel 310 Welded Pipes from India for domestic and international industrial requirements. Pipes can be supplied in different sizes, schedules, wall thicknesses, lengths, finishes, testing conditions and material documentation according to project requirements.

Frequently Asked Questions

Stainless Steel 310 Welded Pipe is an austenitic stainless steel pipe manufactured from SS 310 plates or coils using advanced welding processes. It is designed for high-temperature service and offers excellent oxidation resistance, corrosion resistance, and mechanical strength.

SS 310 Welded Pipes provide excellent heat resistance, superior oxidation resistance, outstanding corrosion resistance, high tensile strength, excellent weldability, long service life, and reliable performance in demanding industrial environments.

Our Stainless Steel 310 Welded Pipes are manufactured according to ASTM A312, ASTM A358, ASME SA312, ASME SA358, ASME B36.19M, and other applicable international standards.

We supply Stainless Steel 310 Welded Pipes in sizes ranging from 1/8" NB to 24" NB with schedules including SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160, XS, and XXS. Custom sizes and lengths are also available.

These pipes are widely used in petrochemical plants, power generation, heat treatment furnaces, boilers, heat exchangers, chemical processing plants, refineries, cement plants, and other high-temperature industrial applications.

Yes. Stainless Steel 310 is specifically developed for elevated temperature applications and provides excellent resistance to oxidation and scaling at temperatures up to approximately 1100°C under continuous service conditions.

Every Stainless Steel 310 Welded Pipe undergoes Hydrostatic Testing, Positive Material Identification (PMI), Radiographic Testing, Visual Inspection, Dimensional Inspection, and other quality checks before dispatch.

Yes. We provide EN 10204 3.1 Mill Test Certificates (MTC) with every supply. Third-party inspection certificates from agencies such as SGS, TUV, BV, and DNV can also be arranged upon request.

Yes. Kamal Steels offers Stainless Steel 310 Welded Pipes in customized diameters, wall thicknesses, lengths, end preparations, and surface finishes to meet specific project requirements.

Kamal Steels is a trusted manufacturer, supplier, stockist, and exporter of Stainless Steel 310 Welded Pipes with over 40 years of industry experience. We offer premium quality products, competitive pricing, ready stock, strict quality control, fast delivery, complete documentation, and reliable worldwide export services.