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ASTM A269 TP316L, SUS316L, 1.4404 BA Stainless Steel Seamless Tube Heat Exchanger Tube

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Assessment

ASTM A269 TP316L, SUS316L, 1.4404 BA Stainless Steel Seamless Tube Heat Exchanger Tube

Country/Region	china
City & Province	ningbo zhejiang
Categories	Refrigeration & Heat Exchange

Product Details

ASTM A269 TP316L, SUS316L, 1.4404 BA Stainless Steel Seamless Tube Heat Exchanger Tube

The ASTM A269 specification covers nominal-wall-thickness, seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. Upon completion, all material shall:

shall be furnished in the heat-treated condition.
conform to the chemical composition requirements.
different mechanical test requirements that includes, flaring test, flange test, hardness test, and reverse flattening test are presented.
shall be subjected to the non-destructive electric test or the hydrostatic test

Mechanical Properties:

Grade	Tensile Str (MPa) min	Yield Str 0.2% Proof (MPa) min	Elong (% in 50mm) min	Hardness
Grade	Tensile Str (MPa) min	Yield Str 0.2% Proof (MPa) min	Elong (% in 50mm) min	Rockwell B (HR B) max	Brinell (HB) max
316	515	205	40	95	217
316L	485	170	40	95	217

Physical Properties:

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
TP316L	8000	193	15.9	16.2	17.5	16.3	21.5	500	740

Corrosion Resistance:

Excellent in a range of atmospheric environments and many corrosive media - generally more resistant than 304. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 600C. Considered resistant to potable water with up to about 1000mg/L chlorides at ambient temperatures, reducing to about 500mg/L at 600C.

TP316L is usually regarded as the standard Ã¢‚¬Å“marine grade stainless steel", but it is not resistant to warm sea water. In many marine environments TP316L does exhibit surface corrosion, usually visible as brown staining. This is particularly associated with crevices and rough surface finish.

Heat Treatment: Solution Treatment (Annealing) - Heat to 1010-11200C and cool rapidly. These grades cannot be hardened by thermal treatment.

Types of Packaging:
Bundles (hexagonal)
Wooden Boxes
Crates (steel/wooden)
Special crates for U-Bend tubes with each radius separated
Packaging for SS 316L ASTM A269 Seamless Pipe as per customer's requirements

Special Features:
•- Each bundle covered with plastic for protection against extreme weather.
•- End of SS 316L ASTM A269 Seamless Pipe protected by plastic caps.
•- Bundles strapped with plastic strips.
•- Each radius of U-Bend tube separated by a separator.
•- Packaging list (laminated) placed with box/crate.