Stainless Steel 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 Grade. 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.
ASTM
A213 Grade. 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 Grade. 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 Grade. 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.
Stainless Steel 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 A213 Grade. TP 304L 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 Stainless Steel 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 Tube Sizes
OD: 0.5" - 24"
WT:6mm-30mm
304 Stainless Steel Square Tube Dimensional Standard
ASME B36.19
ASME B36.10
Stainless Steel 304 Seamless Tube Surface
180G 320G 400G Satin
400G 500G 800G Mirror finish
Annealed & Pickled finish
AISI 304 Rectangular Tube Schedule
SCH 5
SCH 10
SCH 20
SCH 40
SCH 80
SCH 120
SCH XXS
SUS 304 Round Tube Packaging
Loose
Wooden box-a
Wooden Pallet
Plastic Cloth Wraps
Bundle
INOX 304 Tube Length
Double Random
Cut Length
Single Random
UNS S30400 High Pressure Tube Delivery Conditions
Hot Rolled
Normalizing Rolled
Cold Drawn
Quenched and Tempered
Normalized and Tempered
Normalizing Formed
DIN 1.4301 Polished Tube Supplier
NACE TM0177
SSC TEST
NACE MR0175
H2 SERVICE
HIC TEST
NACE TM0284
ASME SA 213 TP304 ASME SA 213 TP304 Square Tube Value Added Services
Galavanizing
Draw
Sand Blasting
Machining
Shot Blasting
Heat Treatment
INOX AISI 304 Cold Drawn Tube Cutting Techniques
Burrless Cuts
Tapping
Water-Jet
1.4301 Tube Form
Rectangular
Round
Square
UNS S30400 Instrumentation Tube Ends
Beveled
Plain
Treaded
304 SS Tube Manufacturing Type
Seamless
ASTM A213 TP304 Seamless Tube Standards
ASTM A312
ASME SA312
ASTM A213 SS TP304 Seamless Tubes
S30403 SS Square Tube
Stainless Steel 304 Redrawn Tube
SUS 304 Rectangular Tube
Stainless Steel 1.4301 Precision Tube
ASTM A213 Grade. 304 Polish Tube
ASME SA213 Stainless Steel TP304 Hydraulic Tube
Austenitic Stainless Steel 304 Heat Exchanger Tube
SA213 TP304 Cold Drawn Tube
A213 Grade TP304 Capillary Tube
AISI 304 Bright Annealed Tube
SS 304L Instrumentation Tube
Grade |
Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Electrical Resistivity (nΩ.m) | Specific Heat 0-100°C (J/kg.K) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | ||||
| 304/L/H | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 720 | 500 |
| Outer Diameter in inches | Wall Thcickness in inches | Theoretical Yield Point ** (PSI) | Theoretical Burst Pressure * (PSI) | Working Pressure (PSI) 25% of Burst | Tensile Strength (PSI) | Yield Strength (PSI) |
|---|---|---|---|---|---|---|
| 2.000 | 0.035 | 1,088 | 2,720 | 680 | 75,000 | 30,000 |
| 2.000 | 0.049 | 1,546 | 3,864 | 966 | 75,000 | 30,000 |
| 2.000 | 0.065 | 2,086 | 5,214 | 1,303 | 75,000 | 30,000 |
| 2.000 | 0.083 | 2,715 | 6,788 | 1,697 | 75,000 | 30,000 |
| 2.000 | 0.095 | 3,149 | 7,873 | 1,968 | 75,000 | 30,000 |
| 2.000 | 0.109 | 3,670 | 9,175 | 2,294 | 75,000 | 30,000 |
| 2.000 | 0.120 | 4,091 | 10,227 | 2,557 | 75,000 | 30,000 |
| 2.000 | 0.134 | 4,642 | 11,605 | 2,901 | 75,000 | 30,000 |
| 2.000 | 0.148 | 5,211 | 13,028 | 3,257 | 75,000 | 30,000 |
| 2.000 | 0.165 | 5,928 | 14,820 | 3,705 | 75,000 | 30,000 |
| 0.250 | 0.020 | 5,714 | 14,286 | 3,571 | 75,000 | 30,000 |
| 0.250 | 0.028 | 8,660 | 21,649 | 5,412 | 75,000 | 30,000 |
| 0.250 | 0.035 | 11,667 | 29,167 | 7,292 | 75,000 | 30,000 |
| 0.250 | 0.049 | 19,342 | 48,355 | 12,089 | 75,000 | 30,000 |
| 0.250 | 0.065 | 32,500 | 81,250 | 20,313 | 75,000 | 30,000 |
| 0.375 | 0.020 | 3,582 | 8,955 | 2,239 | 75,000 | 30,000 |
| 0.375 | 0.028 | 5,266 | 13,166 | 3,292 | 75,000 | 30,000 |
| 0.375 | 0.035 | 6,885 | 17,213 | 4,303 | 75,000 | 30,000 |
| 0.375 | 0.049 | 10,614 | 26,534 | 6,634 | 75,000 | 30,000 |
| 0.375 | 0.065 | 15,918 | 39,796 | 9,949 | 75,000 | 30,000 |
| 0.625 | 0.020 | 2,051 | 5,128 | 1,282 | 75,000 | 30,000 |
| 0.625 | 0.028 | 2,953 | 7,381 | 1,845 | 75,000 | 30,000 |
| 0.625 | 0.035 | 3,784 | 9,459 | 2,365 | 75,000 | 30,000 |
| 0.625 | 0.049 | 5,579 | 13,947 | 3,487 | 75,000 | 30,000 |
| 0.625 | 0.065 | 7,879 | 19,697 | 4,924 | 75,000 | 30,000 |
| 0.625 | 0.083 | 10,850 | 27,124 | 6,781 | 75,000 | 30,000 |
| 0.625 | 0.095 | 13,103 | 32,759 | 8,190 | 75,000 | 30,000 |
| 0.500 | 0.020 | 2,609 | 6,522 | 1,630 | 75,000 | 30,000 |
| 0.500 | 0.028 | 3,784 | 9,459 | 2,365 | 75,000 | 30,000 |
| 0.500 | 0.035 | 4,884 | 12,209 | 3,052 | 75,000 | 30,000 |
| 0.500 | 0.049 | 7,313 | 18,284 | 4,571 | 75,000 | 30,000 |
| 0.500 | 0.065 | 10,541 | 26,351 | 6,588 | 75,000 | 30,000 |
| 0.500 | 0.083 | 14,910 | 37,275 | 9,319 | 75,000 | 30,000 |
| 0.625 | 0.109 | 16,069 | 40,172 | 10,043 | 75,000 | 30,000 |
| 0.750 | 0.028 | 2,421 | 6,052 | 1,513 | 75,000 | 30,000 |
| 0.750 | 0.035 | 3,088 | 7,721 | 1,930 | 75,000 | 30,000 |
| 0.750 | 0.049 | 4,509 | 11,273 | 2,818 | 75,000 | 30,000 |
| 0.750 | 0.065 | 6,290 | 15,726 | 3,931 | 75,000 | 30,000 |
| 0.750 | 0.083 | 8,527 | 21,318 | 5,330 | 75,000 | 30,000 |
| 0.750 | 0.095 | 10,179 | 25,446 | 6,362 | 75,000 | 30,000 |
| 0.750 | 0.109 | 12,293 | 30,733 | 7,683 | 75,000 | 30,000 |
| 0.750 | 0.120 | 14,118 | 35,294 | 8,824 | 75,000 | 30,000 |
| 0.875 | 0.020 | 1,437 | 3,593 | 898 | 75,000 | 30,000 |
| 0.875 | 0.028 | 2,051 | 5,128 | 1,282 | 75,000 | 30,000 |
| 0.875 | 0.035 | 2,609 | 6,522 | 1,630 | 75,000 | 30,000 |
| 0.875 | 0.049 | 3,784 | 9,459 | 2,365 | 75,000 | 30,000 |
| 0.875 | 0.065 | 5,235 | 13,087 | 3,272 | 75,000 | 30,000 |
| 0.875 | 0.083 | 7,024 | 17,560 | 4,390 | 75,000 | 30,000 |
| 0.875 | 0.095 | 8,321 | 20,803 | 5,201 | 75,000 | 30,000 |
| 0.875 | 0.109 | 9,954 | 24,886 | 6,221 | 75,000 | 30,000 |
| 0.875 | 0.120 | 11,339 | 28,346 | 7,087 | 75,000 | 30,000 |
| 1.000 | 0.109 | 8,363 | 20,908 | 5,227 | 75,000 | 30,000 |
| 1.000 | 0.120 | 9,474 | 23,684 | 5,921 | 75,000 | 30,000 |
| 1.000 | 0.134 | 10,984 | 27,459 | 6,865 | 75,000 | 30,000 |
| 1.250 | 0.035 | 1,780 | 4,449 | 1,112 | 75,000 | 30,000 |
| 1.250 | 0.049 | 2,552 | 6,380 | 1,595 | 75,000 | 30,000 |
| 1.250 | 0.065 | 3,482 | 8,705 | 2,176 | 75,000 | 30,000 |
| 1.250 | 0.083 | 4,594 | 11,485 | 2,871 | 75,000 | 30,000 |
| 1.250 | 0.095 | 5,377 | 13,443 | 3,361 | 75,000 | 30,000 |
| 1.250 | 0.109 | 6,337 | 15,843 | 3,961 | 75,000 | 30,000 |
| 1.250 | 0.120 | 7,129 | 17,822 | 4,455 | 75,000 | 30,000 |
| 1.250 | 0.134 | 8,187 | 20,468 | 5,117 | 75,000 | 30,000 |
| 1.500 | 0.035 | 1,469 | 3,671 | 918 | 75,000 | 30,000 |
| 1.500 | 0.049 | 2,097 | 5,243 | 1,311 | 75,000 | 30,000 |
| 1.500 | 0.065 | 2,847 | 7,117 | 1,779 | 75,000 | 30,000 |
| 1.500 | 0.083 | 3,733 | 9,333 | 2,333 | 75,000 | 30,000 |
| 1.500 | 0.095 | 4,351 | 10,878 | 2,719 | 75,000 | 30,000 |
| 1.500 | 0.109 | 5,101 | 12,754 | 3,188 | 75,000 | 30,000 |
| 1.500 | 0.120 | 5,714 | 14,286 | 3,571 | 75,000 | 30,000 |
| 1.500 | 0.134 | 6,526 | 16,315 | 4,079 | 75,000 | 30,000 |
| 1.500 | 0.148 | 7,375 | 18,439 | 4,610 | 75,000 | 30,000 |
| 1.750 | 0.035 | 1,250 | 3,125 | 781 | 75,000 | 30,000 |
| 1.000 | 0.028 | 1,780 | 4,449 | 1,112 | 75,000 | 30,000 |
| 1.000 | 0.035 | 2,258 | 5,645 | 1,411 | 75,000 | 30,000 |
| 1.000 | 0.049 | 3,259 | 8,149 | 2,037 | 75,000 | 30,000 |
| 1.000 | 0.065 | 4,483 | 11,207 | 2,802 | 75,000 | 30,000 |
| 1.000 | 0.083 | 5,971 | 14,928 | 3,732 | 75,000 | 30,000 |
| 1.000 | 0.095 | 7,037 | 17,593 | 4,398 | 75,000 | 30,000 |
| 1.750 | 0.049 | 1,546 | 3,864 | 966 | 75,000 | 30,000 |
| 1.750 | 0.065 | 2,407 | 6,019 | 1,505 | 75,000 | 30,000 |
| 1.750 | 0.083 | 3,144 | 7,860 | 1,965 | 75,000 | 30,000 |
| 1.750 | 0.095 | 3,654 | 9,135 | 2,284 | 75,000 | 30,000 |
| 1.750 | 0.109 | 4,269 | 10,672 | 2,668 | 75,000 | 30,000 |
| 1.750 | 0.120 | 4,768 | 11,921 | 2,980 | 75,000 | 30,000 |
| 1.750 | 0.134 | 5,425 | 13,563 | 3,391 | 75,000 | 30,000 |
| 1.750 | 0.148 | 6,107 | 15,268 | 3,817 | 75,000 | 30,000 |
| 1.750 | 0.165 | 6,972 | 17,430 | 4,357 | 75,000 | 30,000 |
| 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 |
| 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 |
| 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 % |
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.