ASTM A213 TP304L TP316L TP321 Pickled Annealed Heat Exchanger Tube
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Are you looking for heat exchanger tubes that meet ASTM A213 standards, are pickled and annealed, offer consistent quality, and have reliable delivery? We supply TP304L, TP316L, and TP321 stainless steel heat exchanger tubes, specifically designed for high-temperature, high-pressure, and corrosive conditions in equipment such as heat exchangers, condensers, and boilers.
As a professional heat exchanger tube supplier, GNEE provides TP304L / TP316L / TP321 tubes that comply with ASTM A213 standards. All tubes are manufactured using a seamless process to ensure uniform structure and strength, and undergo pickling and annealing surface treatment to improve cleanliness and corrosion resistance. Complete inspection and testing documentation is provided. Our tubes are specifically manufactured to meet the stringent requirements of power plants, petrochemical facilities, refineries, and industrial heat transfer systems.
Click to obtain the ASTM A213 material list
ASTM A213 Stainless Steel Tube Specification
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Specification |
ASTM A-213 & Its equivalent ASME, DIN & EN Standard. |
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Grades |
304, 304L, 304H, 304LN, 309S, 310S, 316, 316L, 316H, 316Ti, 317, 317L, 321, 321H, 347, 347H, 410,446 |
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Type |
Seamless Ferritic and Austenitic Boiler, Superheater, and Heat-Exchanger Tubes |
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Outer Diameter Size |
1/4" OD, NB to 3" OD, NB sizes |
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Thickness |
1mm to 12mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10 |
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Length |
Up to 6 meters, custom cut lengths |
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Ends |
No.1 Pickled Finish, No.4 finish, BA Finish, Electropolished Seamless Tubes |
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Delivery Conditions |
As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw |
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Coating |
Electropolish, Mechanical Polish, Satin Finish, Passivated |
Chemical Composition:
| Grade | UNS
Design |
Composition % | ||||||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mb | Ti | Nb | N | Cu | Ce | B | Al | ||
| TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–13 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP304H | S30409 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP316H | S31609 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–12 | . . . | Ti 5 × (C+N) min, 0.70 max | . . . | 0.1 | . . . | . . . | ||
| TP321H | S33228 | 0.04 – 0.08 | 1 | 0.02 | 0.015 | 0.3 | 26.0–28 | 31.0–33 | . . . | . . . | 0.60- 1 | . . . | . . . | 0.05 – 0.1 | 0.025 | |
Heat Treatment Requirements
| Grade | UNS
Designation |
Heat Treat Type | Austenitizing / Solutioning Temperature, min or range °F [°C] | Cooling Media | ASTM Grain Size No. B |
| TP304L | S30403 | Solution treatment | 1900 °F [1040 °C] | water or another rapid cool | . . . |
| TP304H | S30409 | Solution treatment | 1900 °F [1040 °C] | water or another rapid cool | 7 |
| TP316L | S31603 | Solution treatment | 1900 °F [1040 °C] | water or another rapid cool | . . . |
| TP316H | S31609 | Solution treatment | 1900 °F [1040 °C] | water or another rapid cool | 7 |
| TP321 | S32100 | Solution treatment | 1900 °F [1040 °C] | water or another rapid cool | . . . |
| TP321H | S32109 | Solution treatment | cold worked:2000
[1090] hot rolled: 1925 [1050]H |
water or another rapid cool | 7 |
Tensile Requirements
| Grade | UNS | Tensile Strength, Min. Ksi [MPa] | Yield Strength, min. Ksi [MPa] | Elongation in 2 in. or
50 mm, min, % A, B |
Hardness, Max | |
| Designation | Brinell / Vickers | Rockwell | ||||
| TP304 | S30400 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
| TP304L | S30403 | 70 [485] | 25 [170] | 35 | 192HBW/200Hv | 90HB |
| TP304H | S30409 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
| TP316L | S31603 | 70 [485] | 25 [170] | 35 | 192HBW/200Hv | 90HB |
| TP316H | S31609 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
| TP316Ti | S31635 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
| TP321 | S32100 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
| TP321H | S32109 | 75 [515] | 30 [205] | 35 | 192HBW/200Hv | 90HB |
Note:
Mill test certificates will be issued according to EN10204.3.
All tubes shall be supplied as per applicable ASTM A213 /A213M Specification.
Pickled Annealed Heat Exchanger Tube Inspection:
PMI Test
Hydraulic Test
Eddy Current Test
Non-Destructive Test
Etc.
Packaging and Marking:
The products shall be packaged in bundles or plywood crates, wrapped in plastic, and protected with appropriate measures to ensure seaworthy transportation or as required.
Markings shall conform to the requirements of specification A1016/A1016M, and shall include whether the tubing is hot-worked or cold-worked, including but not limited to: standard, grade, size, heat number, and lot number.
