ASTM A269 TP316L Stainless Steel BA Coil Tube

ASTM A269 Tp316 stainless steel coil tubing is a seamless, welded austenitic steel with a nominal wall thickness of 316 austenitic stainless steel. ASTM A269 Tp316 tubing is composed of 16% chromium, 10% nickel, and 2% molybdenum. SA269 Gr 316 tubing is widely used in various pressure vessel grades. It is exceptionally strong and protects piping from pitting and crevice corrosion caused by stress-inducing devices. It is commonly used in gas/petroleum/oil, aerospace, food and beverage, industrial, cryogenic, construction, and marine applications.

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ASTM A269 TP316L Stainless Steel BA Coil Tube

ASTM A269 TP316L Stainless Steel Coil Tube

ASTM A269 TP316L Coil Tube

Application

316 stainless steel coil is highly suitable for unit heaters, boiler air preheating, condensing and cooling, as well as high-pressure, air tempering, dryers, and similar applications. The characteristics of coil heat exchangers include flexibility, low pressure drop, and high efficiency.

Specification

ASTM A269 TP316L Stainless Steel BA Coil Tube Specification

Standard	ASTM A269
Grade	TP316L (Stainless Steel)
Manufacturing	Seamless / Welded
Surface Finish	BA (Bright Annealed)
Outer Diameter	1/8" – 1" (3.18 mm – 25.4 mm) or customized
Wall Thickness	0.5 mm – 3.0 mm
Coil Length	Up to 1,500 m (depending on size)
Tolerance	OD ±0.1 mm, WT ±10%
Delivery Condition	Bright Annealed, Pickled, Cleaned
Application	Heat exchangers, condensers, instrumentation, sea water systems

316/L (UNS S31600/UNS S31603) Chemical Composition % (Max.)

Cr Chromium	Ni Nickel	C Carbon	Mo Molybdenum	Mn Manganese	Si Silicon	Ph Phosphorus	S Sulfur
16.0-18.0	10.0-14.0	0.030	2.0-3.0	2.00	1.00	0.045	0.30*

316 / 316L Mechanical Property

Grade	Tensile Strength(Mpa)	Yield Point(Mpa)	Elongation(%)	Elongation(%)
316L	485	170	35	25

GNEE Stainless Steel provides professional stainless steel solutions to customers in over 60 countries, exporting more than 1,000 tons of stainless steel tubes annually. We can customize coil length, outer diameter, wall thickness, and surface finish according to your project requirements. Our products are ISO, SGS, and BV certified and undergo 100% dimensional inspection. Delivery is within 7–15 days, ensuring safe transportation.

We offer ASTM A269 TP316L Stainless Steel Seamless Dry Coil Tubes with inner diameters ranging from 300 to 500 mm and a maximum coil weight of 3,000 kg. The surface finish is bright annealed with Ra ≤ 0.5 μm, the outer diameter tolerance is ±0.05 mm, and wall thickness tolerance is ±5%, fully compliant with ASTM A269 / ASME SA269 standards. These tubes provide reliable performance for high-purity fluid transport, heat exchangers, and instrumentation applications.

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