ASTM A213 Stainless Steel TP304 / 304L / 316 / 316L Seamless Tubes

ASTM A213 GR. TP 304 seamless Tube is a widely renowned and commonly used material due to its exceptional corrosion resistance, durability, and high strength. Nonetheless, this material comes in different variants, such as 304L, 316, and 316L seamless tubes. ASTM A213 GR. TP 304 Seamless Tubes is a standard specification for seamless ferritic and austenitic alloy steel boilers, superheaters, and heat-exchanger tubes. TP 304 is the stainless steel grade designation, composed of a minimum of 18% chromium and 8% nickel, with a maximum of 0.08% carbon. These tubes are extensively used in various industrial applications such as chemical processing, power generation, oil and gas, food processing, pharmaceuticals, and more. These seamless tubes offer high durability, corrosion resistance, and strength in high-temperature and high-pressure conditions.

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ASTM A213 GR. 304L Seamless Tubes are a low-carbon variant of the standard 304 material. The absence of carbon imparts excellent resistance to intergranular corrosion, making it suitable for applications in various industries, including petrochemical, gas, and oil refineries. Moreover, the material exhibits high formability, making it an ideal option for fabrication purposes. These seamless tubes also possess robust mechanical and thermal properties, making them suitable for high-pressure environments.
ASTM A213 GR. 316 Seamless Tubes are one of the most widely used variants due to their exceptional resistance to corrosion, particularly in aggressive and chloride-loaded environments. This variant also demonstrates excellent strength and high-temperature resistance, making it a perfect option for use in diverse industries such as marine, chemical, food processing, and pharmaceutical.

ASTM A213 GR. 316L Seamless Tubes are a low-carbon variant of the 316 material. This variant is ideal for use in applications where post-welding annealing might not be possible. The absence of carbon in the material also reduces the formation of carbide precipitation, which can result in corrosion. The material exhibits optimal corrosion resistance, particularly in harsh environments and oxidizing chemicals. Moreover, the material also boasts good mechanical and thermal properties, making it a suitable choice for various applications.
ASTM A213 GR. TP 304 seamless Tube is known for its exceptional formability and weldability properties. This stainless steel material is corrosion-resistant and maintains strength even in high-temperature environments. Moreover, the material is readily available and cost-effective, making it an ideal option for many industries, including food processing, chemical, oil, and gas refineries.

As the demand for corrosion-resistant materials continues to soar, the use of ASTM A213 GR. TP 304 seamless Tube and its variants are expected to increase in various applications. The continued R&D in the industry also promises to unveil more advanced and superior materials with even more exceptional properties. Moreover, the material is expected to have more applications in emerging sectors such as renewable energy, biotechnology, and aerospace.
The ASTM A213 GR. TP 304 seamless tube and its variants, including 304L, 316, and 316L, are widely used materials across various industries. These materials exhibit excellent properties such as corrosion resistance, robust mechanical and thermal properties, high-temperature resistance, and formability. Their continued use in diverse industries reflects their reliability and effectiveness.


Stainless Steel 304 Seamless Tubes are tubes made from grade 304 stainless steel, which is a versatile and widely used SS alloy. These tubes are produced using a seamless manufacturing process, ensuring a smooth & uniform structure without any welded seams.

Stainless Steel 304L Seamless Tubes are available in various sizes, typically ranging from 1/8 inch to 20 inches or even larger. The specific size availability may vary depending on the manufacturer & supplier.

Yes, Stainless Steel 316 Seamless Tubes are highly corrosion-resistant & can be used in various corrosive environments, including acidic & chloride-containing environments.

Specification of Stainless Steel TP304, 304L, 316, 316L Seamless Tubes

Spec bag
Seamless Pipe
Specifications : ASTM A249 / ASME SA249
Dimension Standard : ANSI B36.19M, ANSI B36.10
Outer Diameter : 6.35 mm O.D to 114.3 mm O.D
Wall Thickness : 0.8 mm to12.7 mm
Type : Seamless Tubes
Form : Round Tubes, Square Tubes, Rectangular Tube

Types of Stainless Steel TP 304, 304L, 316, 316L Seamless Tubes

Stainless Steel TP304, 304L, 316, 316L Seamless Tubes

Seamless Tubes

  • - ASTM A213 SS TP304 Seamless Tubes
  • - S30403 Seamless Tubing
  • - 1.4301 Seamless Tubes
  • - S31600 Seamless Tubes
  • - 1.4401 / 1.4436 Seamless Tubing
  • - TP304L SS Seamless Tube
  • - ASME SA213 SS 316 Seamless Tubes
  • - Stainless Steel TP316L Seamless Tubes Supplier
  • - SS TP304 Seamless Tubing Manufacturer
SS TP304, 304L, 316, 316L Round Tubes

Round Tubes

  • - ASTM A213 SS TP304 Round Tubes
  • - 1.4306/1.4307 Round Tubing
  • - S30400 Round Tubes
  • - 1.4404 / 1.4435 Round Tubes
  • - S31603 Round Tubing
  • - TP304L SS Round Tube
  • - SA213 SS 316 Round Tubes
  • - Stainless Steel 316L Round Tubes Supplier
  • - SS TP304 Round Tubing Manufacturer

Equivalent Grades for Stainless Steel TP 304 / 304L / 316 / 316L Seamless Tubing

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18-09 X5CrNi18-10
SS 304L 1.4306 / 1.4307 S30403 SUS 304L 3304S11 03Х18Н11 Z3CN18-10 X2CrNi18-9 / X2CrNi19-11
SS 316 1.4401 / 1.4436 S31600 SUS 316 316S31 / 316S33 - Z7CND17-11-02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 Z3CND17-11-02 / Z3CND18-14-03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3

Stainless Steel 304, 304L, 316, 316L Seamless Tubes Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 304 0.08 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 - 8 – 11 -
SS 304L 0.035 max 2.0 max 1.0 max 0.045 max 0.03 max 18 – 20 - 8 – 13 -
SS 316 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 16.00 - 18.00 2.00 - 3.00 11.00 - 14.00 67.845 min
SS 316L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 16.00 - 18.00 2.00 - 3.00 10.00 - 14.00 68.89 min

Mechanical Properties of Stainless Steel TP304 / 304L / 316 / 316L Seamless Tubing

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
8.0 g/cm3 1399 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Application Industries

  • Refineries
  • Petrochemicals Industry
  • Oil & Gas Industry
  • Mining
  • Construction
  • Pharmaceuticals
  • Automobile