Condenser Tubes Engineered for the Toughest Heat-Transfer Duty
A condenser tube is the working heart of every surface condenser, chiller and shell-and-tube heat exchanger — a thin-walled, precision-drawn metallic tube that carries cooling water while process vapour condenses across its outer surface. Because the tube wall is the only barrier between two fluids at different pressures and temperatures, its metallurgy, wall uniformity and internal finish decide the thermal efficiency, uptime and safe life of the entire unit. At Metinox Overseas, we manufacture and supply condenser tubes in stainless steel, duplex and super duplex, cupro-nickel, titanium and nickel alloys, in outside diameters from 12.70 mm to 38.10 mm and wall thicknesses from 22 BWG through 7 BWG. Every tube is drawn to close OD and wall tolerance, bright annealed or pickled to a clean, low-fouling bore, and 100% eddy-current tested before it leaves the mill. Whether you are re-tubing a 660 MW thermal power plant condenser, building a seawater desalination train or specifying a pharma-grade chiller bundle, we supply mill-certified tubing with full traceability, tested chemistry and on-time global dispatch.
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Table of content
- Product Overview
- Features & Benefits
- Technical Specifications
- Chemical Composition — Key Stainless Grades (% max unless a range)
- Mechanical Properties — ASTM A213 / ASME SA-213
- Condenser Tube Size & Wall Thickness Range
- BWG Gauge to Wall Thickness Conversion Chart
- Dimensional Tolerances We Hold
- Indicative Pressure Capability — Thin-Wall Condenser Tubing
- Material Selection & Comparison
- Seamless vs Welded Condenser Tubes
- Manufacturing Process & Quality Control
- Applications & Industries Served
- Advantages of Metinox Condenser Tubes
- Condenser Tube Failure: What We Help You Design Out
- Certifications, Standards & Approvals
- Global Supply & Delivery
- Frequently Asked Questions
- Get Your Condenser Tube Quotation in 24 Hours
Product Overview
What We Manufacture & Supply
Metinox Overseas is an integrated manufacturer, stockist and exporter of condenser and heat exchanger tubing. Our range covers seamless and welded construction, straight lengths and U-bends, plain bore and low-fin enhanced surfaces — supplied cut-to-length, deburred, end-capped and bundle-packed for direct entry into your tube sheet.
| Product Line | Typical Standard | Common Grades | Best-Fit Service |
|---|---|---|---|
|
Stainless steel condenser tubes (seamless) |
ASTM A213 / ASME SA-213 |
Freshwater, steam, chemical process |
|
|
Stainless steel condenser tubes (welded) |
ASTM A249 / A688 |
TP304L, TP316L, TP321 |
Feedwater heaters, large-volume bundles |
|
Instrumentation & small-bore tubing |
ASTM A269 / A213 BA |
Chillers, analyser coolers |
|
|
Duplex & super duplex condenser tubes |
ASTM A789 / A790 |
Brackish water, high chloride, offshore |
|
|
Cupro-nickel condenser tubes |
ASTM B111 / B466 |
Seawater, marine, shipbuilding |
|
|
ASTM B338 / B861 |
Gr.1, Gr.2, Gr.7, Gr.12 |
Desalination, polluted seawater, MSF/MED |
|
|
ASTM B163 / B622 / B516 |
Acid service, flue gas, nuclear |
||
|
ASTM B111 |
C44300, C68700, C60800 |
Legacy power-plant condensers |
Features & Benefits
Why Engineers Specify Metinox Condenser Tubes
| Feature | Direct Benefit to Your Plant |
|---|---|
|
Tight OD tolerance of ±0.05 mm and wall ±10% |
Uniform tube-to-tubesheet expansion, no over-rolling, leak-free joints |
|
Bright annealed / pickled internal bore, Ra ≤ 0.8 µm on request |
Lower fouling factor, higher heat-transfer coefficient, longer cleaning cycles |
|
100% eddy-current testing on every tube |
Pinhole and lamination defects caught at source — no in-service tube leaks |
|
Full solution-annealing with controlled cooling |
Restores corrosion resistance, eliminates sensitisation in the HAZ |
|
Continuous lengths up to 20 m (65.6 ft) |
Fewer joints in long condensers, reduced installation labour and leak paths |
|
Grade options from 304L to Titanium Gr.2 |
One vendor for freshwater, brackish and full seawater duty |
|
Heat-number traceability with EN 10204 3.1 / 3.2 MTC |
Straightforward third-party inspection and audit clearance |
|
U-bend forming with post-bend stress relief |
Bends supplied ready for insertion without cracking risk at the apex |
Technical Specifications
Condenser Tube Specification & Testing Matrix
| Standard | Material Covered | Construction | Mandatory Testing |
|---|---|---|---|
|
ASTM A213 / SA-213 |
Austenitic stainless steels |
Seamless |
100% eddy current or hydrostatic, flare, flatten |
|
ASTM A249 / SA-249 |
Austenitic stainless steels |
Welded, annealed |
100% ET, weld integrity, reverse flatten |
|
ASTM A269 |
Stainless steel general service |
Seamless & welded |
Hydro or ET, hardness, flare |
|
ASTM A688 |
Austenitic SS feedwater heater tubes |
Welded |
100% ET, ultrasonic, IGC |
|
ASTM A789 |
Duplex UNS S31803 / S32205 / S32750 / S32760 |
Seamless & welded |
100% ET, ferrite count, corrosion (G48) |
|
ASTM B111 |
Copper & copper-alloy condenser tubes |
Seamless |
Eddy current, hydro, expansion test |
|
ASTM B338 |
Titanium Gr.1, 2, 7, 12 |
Seamless & welded |
100% ET, flattening, flare |
|
ASTM B163 / B516 |
Nickel & Alloy 600 heat exchanger tubes |
Seamless / welded & redrawn |
ET Class 1, ET + pressure Class 2 |
|
ASTM B622 / B626 |
Hastelloy C-276, C-22, B-2 |
Seamless / welded |
100% ET, hydrostatic, chemistry PMI |
All Metinox condenser tubes can be dual-certified to the equivalent ASME SA specification for ASME Section VIII Div.1 and Section I code work.
Chemical Composition — Key Stainless Grades (% max unless a range)
| Grade | C | Mn | P | S | Si | Cr | Ni | Mo | Others |
|---|---|---|---|---|---|---|---|---|---|
|
TP304 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0–20.0 |
8.0–11.0 |
— |
— |
|
TP304L |
0.035 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0–20.0 |
8.0–13.0 |
— |
— |
|
TP316 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0–18.0 |
11.0–14.0 |
2.0–3.0 |
— |
|
TP316L |
0.035 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0–18.0 |
10.0–14.0 |
2.0–3.0 |
— |
|
TP321 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
17.0–19.0 |
9.0–12.0 |
— |
Ti 5×C min |
|
TP347 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
17.0–19.0 |
9.0–13.0 |
— |
Nb 10×C min |
|
S32205 |
0.030 |
2.00 |
0.030 |
0.020 |
1.00 |
22.0–23.0 |
4.5–6.5 |
3.0–3.5 |
N 0.14–0.20 |
|
S32750 |
0.030 |
1.20 |
0.035 |
0.020 |
0.80 |
24.0–26.0 |
6.0–8.0 |
3.0–5.0 |
N 0.24–0.32 |
Mechanical Properties — ASTM A213 / ASME SA-213
| Grade | Max Design Temp (°C / °F) | Yield Strength min (MPa) | Tensile Strength min (MPa) | Elongation min (%) | Hardness max (HRB) |
|---|---|---|---|---|---|
|
TP304H |
590 / 1095 |
205 |
515 |
35 |
90 |
|
TP310H |
590 / 1095 |
205 |
515 |
35 |
90 |
|
TP316H |
610 / 1130 |
205 |
515 |
35 |
90 |
|
TP321H |
600 / 1110 |
205 |
515 |
35 |
90 |
|
TP347 / 347H |
610 / 1130 |
205 |
515 |
35 |
90 |
|
TP347HFG |
650 / 1200 |
205 |
550 |
35 |
90 |
|
S30432 (Super 304H) |
650 / 1200 |
235 |
590 |
35 |
95 |
|
TP310HCbN (HR3C) |
670 / 1240 |
295 |
655 |
30 |
100 |
Condenser Tube Size & Wall Thickness Range
| Outside Diameter | Typical Wall Thickness | Equivalent BWG | Standard Length |
|---|---|---|---|
|
12.70 mm (1/2") |
0.60 – 1.24 mm |
23 – 18 |
Up to 20 m (65.62 ft) |
|
15.88 mm (5/8") |
0.71 – 1.65 mm |
22 – 16 |
Up to 20 m (65.62 ft) |
|
19.05 mm (3/4") |
0.89 – 2.11 mm |
20 – 14 |
Up to 20 m (65.62 ft) |
|
22.22 mm (7/8") |
1.24 – 2.41 mm |
18 – 13 |
Up to 20 m (65.62 ft) |
|
25.40 mm (1") |
1.24 – 2.77 mm |
18 – 12 |
Up to 20 m (65.62 ft) |
|
31.75 mm (1-1/4") |
1.65 – 3.40 mm |
16 – 10 |
Up to 20 m (65.62 ft) |
|
38.10 mm (1-1/2") |
1.65 – 3.40 mm |
16 – 10 |
Up to 20 m (65.62 ft) |
3/4" × 18 BWG and 1" × 18 BWG are the two most commonly re-ordered condenser tube sizes worldwide — both are held in ready stock in 304L, 316L and 90/10 Cu-Ni.
BWG Gauge to Wall Thickness Conversion Chart
| BWG Gauge | Nominal Wall (inch) | Nominal Wall (mm) | Accepted Range (inch) |
|---|---|---|---|
|
7 |
0.180 |
4.57 |
0.175 – 0.185 |
|
8 |
0.165 |
4.19 |
0.157 – 0.167 |
|
9 |
0.148 |
3.76 |
0.140 – 0.150 |
|
10 |
0.134 |
3.40 |
0.126 – 0.136 |
|
11 |
0.120 |
3.05 |
0.112 – 0.122 |
|
12 |
0.109 |
2.77 |
0.101 – 0.111 |
|
13 |
0.095 |
2.41 |
0.087 – 0.097 |
|
14 |
0.083 |
2.11 |
0.075 – 0.085 |
|
15 |
0.072 |
1.83 |
0.066 – 0.074 |
|
16 |
0.065 |
1.65 |
0.060 – 0.065 |
|
17 |
0.058 |
1.47 |
0.053 – 0.058 |
|
18 |
0.049 |
1.24 |
0.044 – 0.049 |
|
19 |
0.042 |
1.07 |
0.038 – 0.042 |
|
20 |
0.035 |
0.89 |
0.031 – 0.035 |
|
22 |
0.028 |
0.71 |
0.025 – 0.029 |
Dimensional Tolerances We Hold
| Parameter | Metinox Tolerance | Reference |
|---|---|---|
|
Outside diameter |
+0.13 / −0.00 mm (+0.005" / −0.000") |
ASTM A213 Table 3 |
|
Wall thickness |
±10% of nominal |
ASTM A213 / A249 |
|
Length (cut to length) |
+3.0 / −0.0 mm |
Mill standard |
|
Straightness |
≤ 1 mm per 1000 mm |
Mill standard |
|
Hardness |
≤ 80 HRB (annealed austenitic) |
ASTM A213 |
|
Surface roughness (BA bore) |
Ra ≤ 0.8 µm on request |
ASME BPE reference |
|
Ovality |
≤ 1% of OD |
Mill standard |
Indicative Pressure Capability — Thin-Wall Condenser Tubing
Working pressure below is calculated on the Barlow relationship at 25% of theoretical burst, using 30,000 psi minimum yield and 75,000 psi minimum tensile — the standard basis for annealed austenitic condenser tubing. Always confirm against your design code (ASME Section VIII Div.1 UG-27 or TEMA) before release.
| OD (in) | Wall (in) | Theoretical Burst (psi) | Working Pressure (psi) | Collapse Pressure (psi) |
|---|---|---|---|---|
|
0.500 |
0.035 |
12,209 |
3,052 |
3,906 |
|
0.500 |
0.049 |
18,284 |
4,571 |
5,304 |
|
0.500 |
0.065 |
26,351 |
6,588 |
6,786 |
|
0.625 |
0.035 |
9,459 |
2,365 |
3,172 |
|
0.625 |
0.049 |
13,947 |
3,487 |
4,335 |
|
0.625 |
0.065 |
19,697 |
4,924 |
5,591 |
|
0.750 |
0.049 |
11,273 |
2,818 |
3,664 |
|
0.750 |
0.065 |
15,726 |
3,931 |
4,749 |
|
0.750 |
0.083 |
21,318 |
5,330 |
5,905 |
|
0.875 |
0.065 |
13,087 |
3,272 |
4,126 |
|
0.875 |
0.083 |
17,560 |
4,390 |
5,152 |
|
1.000 |
0.065 |
11,207 |
2,802 |
3,647 |
|
1.000 |
0.083 |
14,928 |
3,732 |
4,567 |
|
1.000 |
0.109 |
20,908 |
5,227 |
5,827 |
|
1.250 |
0.049 |
6,380 |
1,595 |
2,260 |
Values are indicative at ambient temperature. Derate for design temperature using the allowable stress table of your governing code.
Material Selection & Comparison
Which Condenser Tube Material Should You Specify?
Material choice is driven almost entirely by cooling-water chemistry, water velocity and the consequence of a tube leak. The table below is the shortlist our metallurgists work from on live enquiries — read our detailed comparisons of duplex vs super duplex, SS 304 vs SS 316 and Inconel vs Hastelloy before you finalise the grade.
| Material | PREN / Corrosion Rating | Cooling Water Suitability | Rel. Thermal Conductivity | Watch-Outs | Rel. Cost |
|---|---|---|---|---|---|
|
~19 |
Clean fresh water, closed loop |
Moderate |
Chloride pitting above ~200 ppm Cl⁻ |
Low |
|
|
~25 |
Fresh & lightly brackish water |
Moderate |
Not for open seawater |
Low-Mid |
|
|
~35 |
Brackish, cooling-tower blowdown |
Moderate |
Avoid above 300°C service |
Mid |
|
|
~42 |
Seawater at controlled velocity |
Moderate |
Cost, welding control |
High |
|
|
Excellent in seawater |
Clean seawater, marine |
High |
Erosion above ~2.5 m/s; sulphide sensitive |
Mid |
|
|
Superior to 90/10 |
Higher-velocity seawater |
High |
Ammonia stress cracking |
Mid-High |
|
|
Immune to chlorides |
Polluted & warm seawater, MSF/MED |
Lower |
Thin walls needed; galvanic pairing |
High |
|
|
Outstanding |
Acidic, flue-gas, chemically upset |
Lower |
Cost |
Very High |
Seamless vs Welded Condenser Tubes
| Criterion | Seamless (A213 / B111) | Welded (A249 / A688) |
|---|---|---|
|
Construction |
Extruded and cold-drawn from a solid billet |
Formed from strip and autogenously TIG welded |
|
Wall uniformity |
Slightly more variation, no weld line |
Very consistent wall from rolled strip |
|
Available lengths |
Typically shorter maximum lengths |
Longer continuous lengths achievable |
|
Cost per metre |
Higher |
Typically 10–25% lower |
|
Code acceptance |
Accepted everywhere |
Accepted with joint efficiency factor per code |
|
Best for |
High pressure, critical, cyclic duty — see seamless construction |
Large bundles and feedwater heaters — see welded construction |
Not sure which construction your code allows? Our engineering note on seamless vs welded stainless steel pipe explains joint efficiency factors, cost differences and where each is accepted.
Manufacturing Process & Quality Control
From Melt to Bundle — How Every Metinox Condenser Tube Is Made
- Raw material qualification — Hollow or strip is accepted only against a mill test certificate, then re-verified in house by optical emission spectrometry and PMI before it enters the draw bench.
- Cold drawing / pilgering — Multi-pass cold reduction on plug and mandrel benches brings the tube to final OD and wall while refining grain structure and delivering a smooth internal bore.
- Solution annealing — Continuous bright annealing under a hydrogen atmosphere (or pickled annealing for heavier walls) redissolves carbides, restores full corrosion resistance and produces a scale-free bore.
- Straightening & sizing — Multi-roll straightening holds bow within 1 mm/m so tubes slide cleanly through the baffles of a long bundle.
- Non-destructive testing — 100% eddy-current examination to the acceptance class of the governing ASTM standard, backed by hydrostatic or air-underwater testing, and ultrasonic testing where the specification calls for it.
- Mechanical & corrosion testing — Flattening, flaring, reverse-bend, hardness, tensile and elongation, plus IGC testing to ASTM A262 Practice E or G48 pitting tests for duplex grades.
- Dimensional inspection — Laser OD gauging and ultrasonic wall mapping on a sampling plan, with full-length gauging for critical orders.
- Finishing, marking & packing — Deburring, degreasing, end capping, hard stamp or ink-jet marking with heat number, then bundling in wooden crates with corner protection for sea freight.
Testing & Documentation Supplied as Standard
- Eddy current test report (100% of tubes) — see our full quality policy and sourcing abilities
- Hydrostatic or pneumatic-underwater test report
- Chemical analysis with heat-number traceability
- Mechanical property report — tensile, yield, elongation, hardness
- Intergranular corrosion test (ASTM A262 Practice A / E / G48 as applicable)
- Flattening, flaring and reverse-flattening test results
- Dimensional and visual inspection report
- EN 10204 Type 3.1 mill certificate as standard; Type 3.2 with TPI (LRS, BV, SGS, DNV, TÜV, IRS) on request
- Positive Material Identification (PMI) report on request
Applications & Industries Served
| Industry | Where Our Condenser Tubes Are Used | Typical Grades |
|---|---|---|
|
Thermal & combined-cycle power |
Surface condensers, feedwater heaters, gland steam condensers |
|
|
Nuclear power |
Turbine condensers, auxiliary coolers |
|
|
Overhead condensers, air coolers, reboilers |
||
|
Petrochemical & fertiliser |
Ammonia and urea plant condensers, chillers |
|
|
Seawater desalination (MSF / MED / RO) |
Brine heaters, heat-recovery condensers |
Titanium Gr.2, 70/30 Cu-Ni, S32760 |
|
Main and auxiliary condensers, coolers |
C70600, C71500, Titanium |
|
|
Reflux condensers, vent condensers, evaporators |
||
|
HVAC & commercial refrigeration |
Chiller condensers and evaporators |
TP304L, TP316L, Cu-Ni |
|
Sugar, food, pharma & distillery |
Evaporator and vapour condensers |
TP304L, TP316L BA finish |
|
Pulp, paper & desalinated utilities |
Digester and blow-heat condensers |
S32205, TP316L |
Advantages of Metinox Condenser Tubes
- Higher plant efficiency — clean, low-roughness bores keep the fouling factor low and the heat-transfer coefficient high, protecting condenser vacuum and turbine heat rate.
- Fewer unplanned outages — 100% eddy-current inspection removes the pinhole defects that cause condensate contamination and forced shutdowns.
- Correct alloy the first time — our metallurgists match tube material to your water analysis, velocity and chloride level rather than defaulting to the cheapest grade.
- Long-length supply — tubes up to 20 m reduce intermediate joints, cutting installation hours and leak paths in large bundles.
- Audit-ready documentation — heat-wise traceability and EN 10204 3.1/3.2 certification clear third-party inspection without back-and-forth.
- Custom fabrication — U-bends, cut lengths, low-fin surfaces, coiled tubing, tube-to-tubesheet trial fits and pre-insertion cleaning.
- Reliable global logistics — export-grade sea-worthy packing and consolidated shipments to the Gulf, Europe, Africa, South-East Asia and the Americas.
- Retubing support — we supply against legacy drawings and obsolete grades, matching original OD/BWG so existing tube sheets need no modification.
Condenser Tube Failure: What We Help You Design Out
| Failure Mode | Root Cause | Metinox Countermeasure |
|---|---|---|
|
Erosion–corrosion at inlet ends |
Water velocity above alloy limit, entrained solids |
Correct alloy selection, inlet ferrules, heavier inlet-end wall |
|
Chloride stress corrosion cracking |
Austenitic grade in high-chloride water |
Move to duplex, super duplex or titanium |
|
Ammonia grooving |
NH₃ carryover attacking copper alloys |
Switch to stainless or titanium in the air-removal zone |
|
Under-deposit / crevice corrosion |
Biofouling, low-flow periods |
Smooth BA bore, higher PREN alloy, cleaning regime advice |
|
Sensitisation and weld decay |
Poor annealing after welding |
Full solution anneal + IGC testing on every heat |
|
Tube-end cracking after expansion |
Excess hardness, over-rolling |
Hardness capped at 80 HRB, controlled tube-end anneal |
Certifications, Standards & Approvals
- ISO 9001:2015 quality management system — view our certificates and quality policy
- Material to ASTM, ASME Section II Part A/B (SA/SB), EN, DIN, JIS, BS and GOST equivalents
- EN 10204 Type 3.1 mill test certificates as standard; Type 3.2 with third-party endorsement on request
- PED 2014/68/EU and AD 2000-W0 documentation available for European projects
- NACE MR0175 / ISO 15156 compliance for sour service applications
- Supply experience against ADNOC, SABIC, KNPC and KOC approved specifications, plus Saudi Aramco, NTPC, BHEL and EIL requirements
- Third-party inspection welcomed — Lloyd's Register, Bureau Veritas, SGS, DNV, TÜV, Intertek, IRS
Global Supply & Delivery
Metinox Overseas ships condenser tubes from Mumbai, India to more than 40 countries. Regularly served markets include the United Arab Emirates, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Iraq, Egypt, South Africa, Nigeria, Kenya, Singapore, Malaysia, Indonesia, Vietnam, South Korea, Japan, Australia, the United Kingdom, Italy, Germany, Netherlands, Spain, Turkey, the United States, Canada, Mexico, Brazil and Argentina.
Domestic dispatch covers Mumbai, Navi Mumbai, Pune, Ahmedabad, Vadodara, Surat, Jamnagar, Chennai, Coimbatore, Bengaluru, Hyderabad, Visakhapatnam, Kolkata, Bhubaneswar, Delhi NCR, Ghaziabad, Kanpur, Nagpur, Indore, Bhopal, Raipur, Ranchi, Jamshedpur, Rourkela, Ludhiana, Chandigarh, Kochi, Trichy and Haldia.
Packing: Full details on our packing and dispatch page. Tubes are bundled in polythene sleeves, strapped, end-capped and loaded into fumigated wooden crates or steel-framed cradles with VCI protection for long sea transits.
Frequently Asked Questions
A condenser tube carries cooling fluid through a shell-and-tube condenser or heat exchanger so that vapour on the shell side gives up its latent heat and condenses back into liquid. It is the physical heat-transfer surface of the unit, used in power plant surface condensers, refinery overhead condensers, chillers, desalination trains and marine coolers.
It depends on cooling-water chemistry. Clean fresh water suits SS 304L or 316L; brackish water suits duplex 2205; clean seawater suits 90/10 cupro-nickel; polluted or warm seawater suits titanium Grade 2; and chemically aggressive or acidic condensate suits Alloy 625 or Hastelloy C-276. Chloride content, velocity and biofouling risk are the three deciding factors.
19.05 mm (3/4 inch) OD × 18 BWG and 25.40 mm (1 inch) OD × 18 BWG are the two most widely used sizes globally. Metinox supplies 12.70 mm to 38.10 mm OD in walls from 22 BWG to 7 BWG, in lengths up to 20 metres.
They are made to the same standards and often the same dimensions. A heat exchanger tube is the general term for any tube transferring heat between two fluids; a condenser tube is a heat exchanger tube in the specific duty where vapour condenses to liquid on one side, which usually means thinner walls and higher emphasis on fouling resistance and vacuum-side integrity.
We supply both. Seamless tubes to ASTM A213 / B111 / B338 suit high-pressure and critical duty; welded tubes to ASTM A249 / A688 offer longer continuous lengths and lower cost for large bundles. Both are 100% eddy-current tested.
Every tube undergoes 100% eddy-current examination plus hydrostatic or pneumatic-underwater testing. We also carry out chemical analysis, tensile and hardness testing, flattening and flaring tests, intergranular corrosion testing and full dimensional inspection, all reported on an EN 10204 3.1 certificate.
Yes. We form U-bends to your bend radii and leg lengths, stress-relieve the bend zone where the specification requires it, and re-test after forming so the tubes arrive ready for insertion.
Price depends on grade, OD, wall, length, quantity and current nickel, molybdenum and copper LME levels. Stainless grades are the most economical, with duplex, cupro-nickel, titanium and nickel alloys stepping up from there. See our indicative stainless steel pipe price list, then share your size, grade and quantity and we will send a firm quotation the same working day.
18 BWG (1.24 mm) and 20 BWG (0.89 mm) are the most common for stainless and cupro-nickel condensers, while titanium condensers frequently run 22 BWG (0.71 mm) because of titanium's corrosion immunity. Wall is set by design pressure, vacuum collapse and expected erosion allowance — cross-check against our pipe schedule chart and weight charts.
Yes. Our tubes are routinely dual-certified to the ASME SA equivalents (SA-213, SA-249, SB-111, SB-338), which allows direct use in ASME Section VIII Division 1 and Section I pressure equipment.
With the correct alloy for the water chemistry, controlled velocity and a disciplined cleaning regime, condenser tubes routinely give 20 to 30 years of service. Premature failures are almost always traceable to alloy under-specification, excessive water velocity or neglected fouling.
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Contact our sales desk with your tube schedule — grade, OD, wall/BWG, length and quantity — and our technical team will confirm availability, cross-check the alloy against your cooling-water data and return a firm offer with test certificates and delivery schedule.
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