ASTM A249 Stainless Steel TP304 / 304L / 316 / 316L Welded Tubes

ASTM A249 GR. Stainless Steel TP 304 Welded Tube is a standard specification for welded austenitic steel heat-exchanger tubes and is commonly used in high-temperature and corrosive environments. The TP 304 designation refers to the stainless steel grade with a minimum of 18% chromium and 8% nickel with a maximum of 0.08% carbon. These ASTM A249 GR. Stainless Steel TP 304 Welded Tube are often used in pharmaceuticals, petrochemicals, food processing, and other industries, as they offer outstanding resistance to corrosion, high-temperature, and high-pressure conditions. They are also well-suited for boiler and superheater applications because of their durable construction and long-lasting lifespan.

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ASTM A249 GR. Stainless Steel TP 304L Welded Tube is a popular choice for applications that require excellent toughness and resistance to corrosion. This type of welded tube is frequently used in the chemical, petrochemical, and oil and gas industries, as well as in food processing and pharmaceutical manufacturing. Its low carbon content makes it easier to weld and gives it better resilience to heat-induced sensitization.
ASTM A249 GR. Stainless Steel TP 316 Welded Tube is another widely used variety of welded tube due to its high corrosion resistance, particularly in marine environments. It is commonly used in heat exchangers, condensers, and other high-pressure and high-temperature applications. This type of welded tube is also suitable for use in the food and beverage industry and is often chosen for its ease of cleaning and maintenance.

ASTM A249 GR. Stainless Steel TP 316L Welded Tube is a low-carbon version of TP 316 that improves sensitization and intergranular corrosion resistance. Due to its excellent resistance to high temperatures and harsh chemical environments, it is frequently used in the chemical, petrochemical, and oil and gas industries. It is also preferred for its formability and weldability, making it a highly versatile material for various applications.
ASTM A249 GR. Stainless Steel TP Welded Tubes offer several benefits, making them a preferred material for many industrial applications. Their high resistance to corrosion and oxidation, excellent formability and weldability, and ability to withstand harsh environments and high temperatures make them a reliable and cost-effective choice. Understanding the different types and benefits of ASTM A249 GR. Stainless Steel TP Welded Tubes are essential for anyone looking to use high-quality, durable, and corrosion-resistant material for their industrial applications.


Stainless Steel TP304 Welded Tubes find applications in various industries, including chemical processing, oil and gas, food and beverage, & pharmaceuticals. They are used in heat exchangers, boilers, condensers, process piping, and other equipment where corrosion resistance and durability are required.

Yes, Stainless Steel TP304 Welded Tubes are highly weldable. They can be easily welded using various methods such as TIG (Tungsten Inert Gas) welding, MIG (Metal Inert Gas) welding & resistance welding. Proper welding techniques, filler materials & post-weld treatments should be used to ensure strong & reliable weld joints.

Yes, Stainless Steel 316L Welded Tubes are designed to withstand high-temperature environments. They have good heat resistance & can maintain their mechanical properties at elevated temperatures. This makes them suitable for applications such as heat exchangers, boilers & other high-temperature process equipment.

Specification of Stainless Steel TP304, 304L, 316, 316L Welded 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 : Welded Tubes
Form : Round Tubes, Square Tubes, Rectangular Tube

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

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

ASTM A249 SS Welded Tubes

  • - ASTM A249 SS TP304 Welded Tubes
  • - S30403 Welded Tubing
  • - 1.4301 Welded Tubes
  • - S31600 Welded Tubes
  • - 1.4401 / 1.4436 Welded Tubing
  • - TP304L SS Welded Tube
  • - ASME SA249 SS 316 Welded Tubes
  • - Stainless Steel TP316L Welded Tubes Supplier
  • - SS TP304 Welded Tubing Manufacturer
SS TP304, 304L, 316, 316L Electric Resistance Welded Tubes

ASTM A249 SS ERW Tubes

  • - ASTM A249 SS TP304 ERW Welded Tubes
  • - 1.4306/1.4307 ERW Tubing
  • - S30400 Electric Resistance Welded Tubes
  • - 1.4404 / 1.4435 ERW Welded Tubes
  • - S31603 Electric Resistance Welded Tubing
  • - TP304L SS Electric Resistance Welded Tube
  • - SA249 SS 316 ERW Tubes
  • - Stainless Steel 316L ERW Welded Tubes
  • - SS TP304 ERW Welded Tubing Manufacturer

Equivalent Grades for Stainless Steel TP 304 / 304L / 316 / 316L Welded 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 Welded 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 Welded 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