Stainless Steel 321H Pipes
Stainless Steel 321H Pipes & Tubes
High-carbon, titanium-stabilized stainless steel 321H pipes and tubes engineered for demanding high-temperature applications requiring reliable strength, corrosion resistance and long-term service performance.
- SS 321H
- Seamless
- ERW
- Welded
- EFW
- LSAW
- Titanium Stabilized
- High Temperature
SS 321H Pipes & Tubes Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Stainless Steel 321H Pipes & Tubes in different sizes, schedules, wall thicknesses, lengths and manufacturing configurations.
Stainless Steel 321H is a higher-carbon version of the 321 stainless steel grade. It is a titanium-stabilized austenitic stainless steel designed for applications where elevated-temperature strength and resistance to sensitization are important considerations.
The combination of chromium, nickel and titanium stabilization makes SS 321H Pipes & Tubes suitable for demanding process and engineering applications involving elevated temperatures, thermal cycling and corrosive industrial environments.
Key Features of SS 321H
High-Temperature Strength
Suitable for demanding applications involving elevated service temperatures.
Titanium Stabilized
Stabilization helps reduce sensitization during suitable high-temperature exposure.
Corrosion Resistance
Provides reliable resistance across many industrial environments.
Industrial Versatility
Available in multiple pipe, tube and large-diameter configurations.
SS 321H Pipes & Tubes Specifications
| Parameter | Specification |
|---|---|
| Material Grade | Stainless Steel 321H |
| Specifications | ASTM A213 / ASME SA213, ASTM A249, ASTM A269, ASTM A312 / ASME SA312, ASTM A358 Class I to V, ASTM A789 / ASTM A790 |
| Dimensions | ASTM, ASME and API |
| General Size | 1/8" NB to 30" NB |
| 321H Pipes & Tubes | 1/2" NB – 24" NB |
| ERW 321H Pipes & Tubes | 1/2" NB – 24" NB |
| EFW 321H Pipes & Tubes | 6" NB – 100" NB |
| Specialized In | Large Diameter Sizes |
| Thickness / Schedules | SCH20, SCH30, SCH40, STD, SCH60, SCH80, XS, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic |
| Length | Single Random, Double Random & Cut Length |
| Ends | Plain End, Beveled End, Threaded End |
Chemical Composition of SS 321H
| Element | Maximum | Minimum |
|---|---|---|
| Nickel (Ni) | 12.00% | 9.00% |
| Carbon (C) | 0.08% | 0.04% |
| Manganese (Mn) | 2.00% | — |
| Phosphorus (P) | 0.045% | — |
| Sulfur (S) | 0.030% | — |
| Silicon (Si) | 1.75% | — |
| Chromium (Cr) | 19.0% | 17.0% |
| Molybdenum (Mo) | 3 – 4% | — |
| Nitrogen (N) | 0.10% | — |
| Titanium (Ti) | 0.70% | 4 × (C + N) |
Mechanical Properties of SS 321H
| Property | SS 321H |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Point | Approx. 1454 °C (2650 °F) |
| Tensile Strength | 75,000 psi / 515 MPa Min. |
| Yield Strength (0.2% Offset) | 30,000 psi / 205 MPa Min. |
| Elongation | 35% Min. |
| Hardness (Brinell) | 217 HB |
Types of SS 321H Pipes & Tubes
SS 321H Seamless Pipes
High-integrity seamless pipes for demanding high-temperature applications.
SS 321H ERW Pipes
Welded pipe configurations for industrial piping systems.
SS 321H Welded Pipes
Available in various sizes and wall thicknesses.
SS 321H EFW Pipes
Large-diameter pipe solutions for demanding industrial projects.
SS 321H LSAW Pipes
Large-diameter longitudinally welded pipe configurations.
SS 321H Tubes
Round, square, rectangular and hydraulic tube configurations.
Applications & Industries
- Chemical Processing
- Oil & Gas
- Petrochemical
- Refineries
- Power Generation
- Heat Exchangers
- Aerospace Applications
- Marine Industry
- Pharmaceutical
- Food Processing
- Fertilizer Plants
- Nuclear Applications
- High-Temperature Equipment
- Process Equipment
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
SS 321H Pipes & Tubes can be supplied with inspection, testing and documentation according to the applicable specification and customer purchase requirements.
- Dimensional & Visual Inspection
- Material Grade Verification
- Chemical Composition Verification
- Mechanical Property Testing
- Titanium Stabilization Verification as Applicable
- Non-Destructive Testing as Applicable
- Hydrostatic / Pressure Testing as Applicable
- Intergranular Corrosion Testing as Applicable
- Mill Test Certificate (MTC)
- Customer-Specific Inspection Documentation
Why Choose SS 321H Pipes & Tubes?
High-Temperature Performance
Suitable for demanding elevated-temperature service applications.
Titanium Stabilized
Designed for applications where stabilization is an important requirement.
Reliable Corrosion Resistance
Suitable for a wide range of industrial service environments.
Multiple Configurations
Seamless, ERW, welded, EFW and LSAW options are available.
Stainless Steel 321H Pipes & Tubes Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Stainless Steel 321H Pipes & Tubes in seamless, ERW, welded, EFW and LSAW configurations for industrial and engineering applications. Products can be supplied in different sizes, schedules, wall thicknesses, lengths and end configurations.
Stainless Steel 321H Seamless Pipes are suitable for applications requiring elevated-temperature strength and reliable performance under demanding service conditions. Titanium stabilization helps support resistance to sensitization during suitable high-temperature exposure.
SS 321H Pipes & Tubes are widely used in chemical processing, petrochemical plants, refineries, power generation, heat exchangers, aerospace-related applications, marine systems, high-temperature equipment and general engineering.
Related Stainless Steel Products
SS 321 Pipes & Tubes
Titanium-stabilized stainless steel 321 piping solutions.
SS 316Ti Pipes & Tubes
Titanium-stabilized stainless steel piping for demanding applications.
SS 347 Pipes & Tubes
Stabilized stainless steel pipes for elevated-temperature service.
Technical values should be verified against the applicable ASTM/ASME specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.