Stainless Steel 321 / 321h Condenser Tubes,321/321h Stainless Steel Condenser Tube Manufacturer, SS 321/321h Condenser Tube Supplier, SS 321/321h Condenser Tube Exporter, Stainless Steel 321/321h Precision Tubing, SS 321/321h Small Diameter Tube ,SS 321/321h Condenser Tubes
Sumer Metal Industries Private Limited manufactures premium Stainless Steel 321 / 321H condenser tubes, engineered for demanding heat-exchanger and condenser applications. Our tubes are produced from titanium-stabilized austenitic stainless steel to resist carbide precipitation during welding and prolonged high-temperature service, which makes them ideal for steam condensers, petrochemical heat exchangers, and power plant feedwater systems. We offer both seamless and welded tube options, with full quality documentation and traceability for every shipment.
As a supplier and exporter, Sumer Metal Industries ships 321/321H condenser tubes to Oman, Qatar, Saudi Arabia, the UAE, Kuwait, Spain, Germany, the USA, Canada and several regions across Africa. Our export packing, customs documentation and international logistics are optimized for heavy industrial orders; we support EN, ASTM and ASME certification requests and issue mill test certificates (EN 10204 3.1) on demand to meet project procurement and inspection requirements.
Sumer Metal Industries emphasizes traceability and certification: each heat of 321 / 321H tubing is supplied with mill test certificates (MTC) that show chemistry, mechanical test results, heat/lot numbers and applicable standards. Typical supply forms available from our factories include welded and seamless tubes, cut-to-length pieces, NDT (where requested), and optional third-party inspection for critical export projects.
The main markets we serve—power plants, petrochemical and refinery units, fertilizer and chemical plants, and heavy industrial Condenser s—value 321/321H for their combination of oxidation resistance, dimensional stability at temperature, and weldability. Compared with plain 304/316, the titanium stabilization of 321 reduces the risk of sensitization and subsequent intergranular corrosion during thermal cycling.
Specification of Stainless Steel 321 / 321hCondenser Tubes
| Item | Specification / Standard |
|---|---|
| Grades | Stainless Steel 321 (UNS S32100) / 321H (UNS S32109) |
| EN Designations | 321 → 1.4541 (X6CrNiTi18-10), 321H → 1.4878 (X8CrNiTi18-10) |
| Applicable Specs | ASTM A213 / A269 / A312 (tubes), ASME SA-213, ASME B36.19 (as applicable) |
| Product Forms | Seamless tubes, Welded tubes (ERW), drawn tubes |
| Surface | Pickled, bright finish (BA), custom finishes on request |
| Documentation | MTC (EN 10204 3.1), PMI/chemical analysis, mechanical test report |
Quality assurance at Sumer Metal Industries includes process controls on raw billets, mandrel/weld parameters for welded tubes, NDT (Eddy current or ultrasonic) for critical orders, and finish inspection to ensure roundness, straightness and surface quality. We also offer custom packaging and export documentation to meet country-specific customs and project requirements for the Middle East, Europe, North America and Africa.
Chemical Composition of Stainless Steel 321 / 321hCondenser Tubes
| Element | 321 (typical) | 321H (typical) |
|---|---|---|
| Carbon (C) | <= 0.08 | 0.04 – 0.10 |
| Chromium (Cr) | 17.0 – 19.0 | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 12.0 | 9.0 – 12.0 |
| Titanium (Ti) | ≈ 5 × (C + N) up to ~0.7 | ≈ 0.16 – 0.70 (typical) |
| Manganese (Mn) | <= 2.0 | <= 2.0 |
| Silicon (Si) | <= 1.0 | <= 1.0 |
| Phosphorus (P) | <= 0.045 | <= 0.045 |
| Sulfur (S) | <= 0.030 | <= 0.030 |
| Nitrogen (N) | <= 0.10 | <= 0.10 |
| Balance | Iron (Fe) | Iron (Fe) |
In summary, Stainless Steel 321 and 321H Condenser tubes combine the corrosion resistance and high-temperature capabilities of titanium-stabilized stainless steel with the thermal efficiency of Condenser ned surfaces. They are engineered to deliver reliable, efficient heat exchange in industrial systems, making them a top choice for industries that require longevity and performance under tough conditions.
Specification of Stainless Steel 321 / 321hCondenser Tubes
| Item | Specification / Standard |
|---|---|
| Grades | Stainless Steel 321 (UNS S32100) / 321H (UNS S32109) |
| EN Designations | 321 → 1.4541 (X6CrNiTi18-10), 321H → 1.4878 (X8CrNiTi18-10) |
| Applicable Specs | ASTM A213 / A269 / A312 (tubes), ASME SA-213, ASME B36.19 (as applicable) |
| Product Forms | Seamless tubes, Welded tubes (ERW), drawn tubes |
| Surface | Pickled, bright finish (BA), custom finishes on request |
| Documentation | MTC (EN 10204 3.1), PMI/chemical analysis, mechanical test report |
🏭 Industry & Application
- ✅ SS 321/321h Condenser Tubes for Medical Industry
- ✅ SS 321/321h Condenser Tubes for Chemical Processing
- ✅ SS 321/321h Tubes for Condenser Lines
- ✅ Stainless Steel 321 / 321h Condenser Tubes for Gas & Liquid Flow
- ✅ SS 321/321h Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1: What is the difference between SS 321 and 321H condenser tubes?
A1: 321H is the higher-carbon variant of 321 designed for improved creep resistance and higher strength at elevated temperatures (typical C 0.04–0.10% in 321H vs ≤0.08% in 321). Both are titanium-stabilized to avoid intergranular corrosion after welding.
Q2: Which international standards do your 321/321H tubes meet?
A2: Our tubes are produced to common industry standards such as ASTM/ASME (A213 / A269 / A312 as applicable) and EN designations (1.4541 for 321 and 1.4878 for 321H). Mill Test Certificates (EN 10204 3.1) are provided on request.
Q3: Can you supply custom dimensions and inspection documentation for export projects?
A3: Yes — we supply custom OD/WT/lengths, perform NDT (eddy current/hydrotest) and support third-party inspection, PMI, and full documentation required for export to GCC, EU, North America and African projects.
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At Sumer Metal Industries Pvt. Ltd., we follow a zero-defect policy by implementing stringent quality checks, using certified raw materials, and continuously improving our processes to deliver reliable and consistent tubing solutions
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