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ASTM A269 TP316L Seamless Stainless Steel Coil Tubing Coiled Heat Exchanger Tube

China ASTM A269 TP316L Seamless Stainless Steel Coil Tubing Coiled Heat Exchanger Tube

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ASTM A269 TP316L Seamless Stainless Steel Coil Tubing Coiled Heat Exchanger Tube

MOQ： 500kgs
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Payment Terms	L/C,T/T
Delivery Time	7 DAYS
Packaging Details	Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Product Name	Heat Exchanger Tube
Standard	ASTM A269， ASME SA269
Material	TP316/316L
OD	1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc.
Thickness	BWG10-25
Length	Can Custom
End	Plain End, Beveled End
High Light	ASTM A269 TP316L Stainless Steel Seamless Tube, Coiled Tube, Heat Exchanger Tube
Brand Name	YUHONG
Model Number	ASTM A269 TP316L Stainless Steel Coiled Tube
Certification	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin	CHINA

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Product Specification


Payment Terms	L/C,T/T	Delivery Time	7 DAYS
Packaging Details	Ply-wooden Case /Iron Case/ Bundle with plastic Cap	Product Name	Heat Exchanger Tube
Standard	ASTM A269， ASME SA269	Material	TP316/316L
OD	1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc.	Thickness	BWG10-25
Length	Can Custom	End	Plain End, Beveled End
High Light	ASTM A269 TP316L Stainless Steel Seamless Tube, Coiled Tube, Heat Exchanger Tube	Brand Name	YUHONG
Model Number	ASTM A269 TP316L Stainless Steel Coiled Tube	Certification	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin	CHINA
High Light	ASTM A269 TP316L seamless steel tubing ，stainless steel heat exchanger coil tube ，TP316L coiled heat exchanger tubing

ASTM A269 TP316L Stainless Steel Seamless Tube Coiled Heat Exchanger Tubing

A seamless tube made of 316L stainless steel is wound into a coil. A high-pressure fluid flows through the inside of the coil, while another fluid flows over the outside. The coiled shape creates swirling vortices (Dean Vortices) that break up stagnant fluid layers, enabling extremely efficient heat transfer. The seamless 316L construction provides the mechanical strength to contain high pressures and the chemical resistance to survive corrosive environments, all within a compact, durable, and reliable package.

Chemical Composition % of ASTM A269 TP316L Stainless Steel Heat Exchanger Tube bright Annealed Tubing

Grade	UNS Designation	C	M	P	S	Si	Ch	Ni	Mo
TP316L	S31603	0.035	2	0.045	0.03	1	16.0–18.0	10.0–14.0	2.00–3.00

Mechanical properties of ASTM A269 TP316L Stainless Steel Heat Exchanger Tube bright Annealed Tubing

Grade	Tensile Str (MPa) min	Yield Str 0.2% Proof (MPa) min	Elong (% in 50mm) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
316L	485	170	40	95	217

Physical Properties of ASTM A269 TP316L Stainless Steel Heat Exchanger Tube bright Annealed Tubing

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Elec Resistivity (nΩ.m)
			0-1000C	0-3150C	0-5380C	At 1000C	At 5000C
316/L	8000	193	15.9	16.2	17.5	16.3	21.5	500	740

The Key Advantage: Why a "Coiled" Tube?

The coil shape is not just for saving space. It fundamentally changes how the fluids behave, dramatically improving performance.
Induced Swirl & Turbulence (Dean Vortices): As fluid flows through a curved pipe (the coil), centrifugal force pushes the fluid outward. This creates a twin-vortex circulation pattern known as Dean Vortices. This secondary flow constantly mixes the fluid, forcing it from the center of the tube to the wall and back again. The result is much higher heat transfer efficiency (often 2-4x higher) compared to a straight tube.
Centrifugal Force on the Shell Side: If the shell-side fluid is also flowing, the coil shape directs it into a helical path. This creates its own turbulence, scrubbing the outside of the tube and preventing insulating "boundary layers" of stagnant fluid from forming.
Compact, Long Flow Path: You can fit hundreds of feet of continuous tubing into a small cylindrical volume. This provides a very long residence time for heat transfer within a tiny footprint.
Thermal Stress Management: The coil can expand, contract, and even slightly vibrate with temperature changes. This reduces the massive thermal stresses that would crack a rigid, straight-tube heat exchanger.

Application

The ASTM A269 TP316L seamless coil is submerged inside the tank.
Cold water or a coolant is pumped through the coil at high pressure.
The turbulent flow inside the coil (Dean Vortices) aggressively picks up heat from the tube wall.
The hot reacting chemicals in the tank circulate around the outside of the coil, transferring their heat through the thin, corrosion-resistant 316L wall.
The heated coolant exits the coil, carrying the dangerous reaction heat away with it, keeping the reactor at a safe, stable temperature.
The seamless construction guarantees no coolant leaks into the expensive chemical batch, and the 316L resists corrosion from the reactive chemicals.

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