There are different grades within the stainless tubes. But the Stainless Steel 304 Seamless Tube is one of the most widely used tubes because of the low cost. Since these tubes are pocket friendly they are usually used a wide range of applications. These tubes have chromium and nickel components in their composition. These tubes have high strength because of their duplex microstructure. The size of these tubes can vary from have an inch to as thick as 60 inches. These tubes are widely used in industries to control nitrogen content. These tubes are also used in petroleum, pharmaceutical, oil and gas and marine industries. These tubes can also be used in corrosive environments. SS 304 Tubes offers the highest putrefaction deviation to chemical corrosion.
Stainless Steel 304l SEAMLESS TUBES are a lower carbon version of the welded 304 stainless steel tubes. Carbon, nickel, chromium, phosphorous, molybdenum, manganese, and sulphur make up the Stainless Steel 304L Seamless Tube. These alloys have a minimum tensile strength of 485 Mpa and a yield strength of 170 Mpa. These tubes and tubes are used to transport gases, fluids, food, and chemical systems, among other things. The 304L Stainless Steel Seamless Tube is manufactured without the need for fillets or welding. Because of the materials used in their construction, these tubes are extremely strong and a bit expensive. In extremely corrosive environments, SS 304L Seamless Tube can be used. They are available in a variety of schedules and wall thicknesses according to the application.
Stainless Steel 304H Seamless Tubes are a high carbon version of Stainless Steel 304 Seamless Tubes Stainless Steel 304H Seamless Tubes has a higher melting point than the most commonly used stainless steel grades, 304 and 316. The high carbon in these tubes enables the tubes to perform well in high temperatures.
Table of Content
Specification | ASTM A312 / ASME SA312 |
Size | 5.0 mm – 1219.2 mm |
Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Thickness Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Type | Seamless / ERW / Welded / Fabricated / CDW |
Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
Length | Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded |
End Protection | Plastic Caps |
Surface Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
Pipe End | Plain End, Beveled End, Treaded. |
UNS Designation & International Equialent for SS 304 Pipes | |||||||||
Type | UNS | WNR. | JIS | EN/DIN | EN/BS | EN/NF | ISO | GB | GOST |
304 | S30400 | 1.4301 | SUS304 | X5CrNi18-10 | 304S15 / 304S31 | Z5CN18-09 / Z6CN18-09 / Z7CN18-09 | 11 | 0Cr18Ni9 | 08KH18N10 |
304L | S30403 | 1.4306/1.4307 | SUS304L | X2CrNi19-11 / X2CrNi18-9 | 304S11 / 304C12 | Z2CN18 / Z3CN18-10 / Z3CN19-09 | 10 | 00Cr19Ni11 | 04KH18N10 |
304H | S30409 | 1.4948 | SUS 304H | X6CrNi18-10 | – | – | – | – | 08KH18N10 |
Grade | C | Mn | Si | P | S | Cr | Ni |
SS 304 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.03 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 304H | 0.04-0.1 | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | 8 – 11 |
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
304 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Check ASME B36.19 Stainless Steel 304 Seamless Tubes, A312 SS 304 Sch 40 Seamless Tubes dimensions and thickness chart, SA 312 TP 304 Seamless Tubes and TP 304 Stainless Steel DIN 1.4301 Square Seamless Tubes price per meter in India
Stainless Steel 304 Seamless Tubes
304 SS Seamless Tubes
UNS S30400 Seamless Tubes
1.4301 Seamless Tubes
AISI 304 Seamless Tubes
SS 304 Round Seamless Tubes
304 SS Square Seamless Tubes
Stainless Steel 304 Rectangular Seamless Tubes
ASTM A312 TP304 Stainless Steel Seamless Tubes
ASME SA 312 TP 304 Stainless Steel Seamless Tubes
Stainless Steel 304L Seamless Tubes
304L SS Seamless Tubes
UNS S30403 Seamless Tubes
1.4307 Seamless Tubes
AISI 304L Seamless Tubes
SS 304L Round Seamless Tubes
304L SS Square Seamless Tubes
Stainless Steel 304L Rectangular Seamless Tubes
ASTM A312 TP304L Stainless Steel Seamless Tubes
ASME SA 312 TP 304L Stainless Steel Seamless Tubes
Stainless Steel 304H Seamless Tube
304H SS Seamless Tube
UNS S30403 Seamless Tubes
1.4948 Seamless Tubes
AISI 304H Seamless Tubes
SS 304H Round Seamless Tube
304H SS Square Seamless Tube
Stainless Steel 304H Rectangular Seamless Tubes
ASTM A312 TP304H Stainless Steel Seamless Tubes
ASME SA 312 TP 304H Stainless Steel Seamless Tubes
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