SS TP316L Condenser Tube

The pitting resistance equivalent number (PREN) of TP316L stainless steel condenser tubes is 28–32, offering 2.5 times better chloride corrosion resistance in seawater environments compared to 304 stainless steel. Using thin-wall construction and internal helical groove technology, the heat transfer coefficient is improved by 20% over plain tubes. After electropolishing, the internal surface roughness reaches Ra ≤ 0.4 μm, reducing scale adhesion by 30% and lowering cleaning frequency.

For power plant condensers, TP316L tubes feature a tensile strength ≥ 515 MPa, capable of withstanding pressures up to 10 MPa, and resist steam vibration fatigue. In chemical distillation columns and seawater desalination units, they offer a service life of 15–20 years. The total lifecycle cost is approximately 30% lower than 304 stainless steel and provides up to 60% material cost savings compared to copper-nickel alloys.

Specification	ASTM A213, A249, A269
Size Range	6 mm OD to 219.1 mm OD
Outside Diameter	6 mm – 2500 mm
Length	1 meter up to 32 meters
Thickness	0.7 mm thick to 12.7 mm thick
Shapes	Straight tube, Coil tubing
Form	Seamless, Welded

SS 316L Solution Anneal Condenser Tube Chemical Composition

Grades	UNS	Si	Mn	S	P	C	Cr	Ni	Mo
TP316	S3160	1	2	0.03	0.045	0.08	16.0-18.0	11.0-14.0	2.0-3.0
TP316L	S31603	1	2	0.03	0.045	0.035	16.0-18.0	10.0-14.0	2.0-3.0

SS 316L Evaporator Tubes Mechanical Properties

Material	Heat	Temperure	Tensile Strength	Yield Strength	Elongation %, Min
	Treatment	Min.º F(º C)	Ksi (MPa), Min.	Ksi (MPa), Min.
TP316	Solution	1900(1040)	75(515)	30(205)	35
TP316L	Solution	1900(1040)	70(485)	25(170)	35

Why Choose GNEE 

Certified Quality: ASTM, ASME, PED, EN10204 3.1
Global Export Experience: Delivered to 60+ countries
Precision Manufacturing: Tight tolerances, smooth ID/OD, hydrostatic tested
Custom Services: U-bending, cut-to-length, polishing, export packaging
Corrosion Guarantee: Salt spray test and PMI reports available

1. Polishing of stainless steel tubes
2. Beveling of stainless steel tubes
3. Honing and turning of stainless steel tubes
4. Heat treatment and annealing
5. Positive Material Identification (PMI)

What standards apply to TP316L condenser tubes?
Common standards include ASTM A213, ASTM A249, ASTM A269, and ASME SA versions; DIN EN 10216-5 and JIS G3463 may also apply for international specs.
What are the key benefits of 316L over 304 in condensers?
316L offers superior corrosion resistance in saltwater or chemical processing environments due to its higher molybdenum content (2–2.5%).
Is SS TP316L tube resistant to seawater?
It resists general corrosion and pitting in brackish and coastal environments, but for highly aggressive seawater, duplex or super duplex grades may perform better.