ASTM A554 TP316L welded Square Rectangular Tube
Leave a message
ASTM A554 TP316L welded square/rectangular tubing is a specialized type of stainless steel tubing produced using a welding process. It is shaped into square or rectangular tubes and is made from low-carbon stainless steel (316L), which offers enhanced corrosion resistance due to its higher molybdenum content. It is suitable for applications requiring a combination of strength, appearance, or corrosion resistance, such as structural components, railings, and exhaust systems.
ASTM A554 is the standard specification for stainless steel mechanical tubing. ASTM A554 TP316L welded mechanical tubing is produced by flattening the steel and employing automated welding processes without the use of filler materials. Among this grade, the ASTM A554 TP316L stainless steel round tube is the most common shape. The A554 TP316L SS square tube is manufactured with a square cross-sectional area.
These tubes are designed with sizes up to 16 inches in diameter and wall thicknesses exceeding 0.51 mm. The TP316L tubes in this series can be cut, beveled, and threaded as needed. Before leaving the factory, ASME SA554 TP316L stainless steel welded tubes undergo various chemical requirements and testing procedures, ensuring their suitability for high-temperature and high-pressure applications.For more information or pricing regarding TP316L A554 tubes, please feel free to contact us. Email: info@gneestainless.com


ASTM A554 TP316 steel pipe specifications
| Specification | : | ASTM A554 TP316/ ASME SA554 TP316 |
| Grades | : | ASTM A554 ( MT304/316, MT316/316L ), JIS G3446 ( SUS316TK, SUS316TK ), CNS 5802 ( 316TK, 316TK ), (YC1) |
| Size | : | 6 NB to 1200 NB IN |
| Wall Thickness | : | 0.6 ~ 3.05 mm |
| Outer Diameter Size | : | 9.5 mm ~ 139.7 mm |
| Schedule | : | SCH. 5, 10, 60, 20, 30, 40, 80, 100, 120, 140, 160, XXS. |
| Finish | : | 2B Mill Finish , No.4 finish, BA Finish, 400 Grit Finish, 550 Grit Finish, 600 Grit Finish |
| Method | : | TIG or TIG + Plasma or Laser |
| Length | : | Single Random, Double Random & Cut Length |
| Types | : | Square, Rectangle, Round, Coil, "U" Shape, Hydraulic & Honed Tubes |
ASTM A554 316L welded square tubing Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| ASTM A554 316L | min. | – | – | – | – | – | 16 | 2.0-3.0 | 10 | – |
| max. | 0.035 | 2 | 0.75 | 0.045 | 0.03 | 18 | 14 | – | ||
ASTM A554 316L welded rectangular tubing Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| ASTM A554 316L | 485 | 170 | 40 | 95 | 217 |
ASTM A554 316L welded tubing Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| ASTM A554 316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
SS316L Equivalent Grade
| TANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316LS11 / 316LS13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 |
X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Application :
Paper & Pulp Companies
High Pressure Applications
Oil and Gas Industry
Chemical Refinery
Pipeline
High Temperature Application
Water Pipe Line
Nuclear Power Plants
Food Processing and Dairy Industries
Boiler & Heat Exchangers
Stainless steel tube for Chemical and petrochemical
If you have project requirements for ASTM A554 TP316 Steel Pipe, please feel free to place an order. GNEE has a large inventory of popular products for you to choose from. Available in both seamless and welded configurations, contact our factory for detailed chemical composition and free samples. We offer competitive pricing and excellent service.
Packaged in waterproof paper and steel strapping, these products meet standard export seaworthy packaging requirements and can be customized to suit various shipping methods.









