Stainless Steel Tubes Products
Stainless Steel 904L Tubes | ASTM B677 UNS N08904 Seamless, Welded & Bright Annealed Tubes
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Specification
Chemical Composition
Stainless Steel 904L Tubes are high-alloy austenitic stainless steel tubes known for exceptional resistance to corrosion, chlorides, sulfuric acid, phosphoric acid, and seawater environments. Manufactured to standards such as ASTM B677 UNS N08904 seamless tube, ASTM B674 UNS N08904 welded tube, ASME SB677 TP 904L tube, and ASTM A269 TP 904L tubes, these tubes are widely used in chemical processing, oil & gas, marine, pharmaceutical, desalination, and heat exchanger applications due to their high strength, excellent weldability, and long service life.
Detailed Information
Stainless Steel 904L Tubes Supplier in India
As a trusted stainless steel 904L tube supplier, we supply premium-quality tubing for industries requiring outstanding corrosion resistance and reliable long-term performance. Our product range includes seamless, welded, ERW, coil tubing, and bright annealed tubes manufactured according to international ASTM, ASME, and EN standards.
Being an experienced 904L stainless steel tubing manufacturer in India, we understand the demanding requirements of industries operating in aggressive chemical and marine environments. Every tube is sourced from approved mills and undergoes strict dimensional, mechanical, and quality inspections before dispatch.
Our inventory includes ss 904l tubing ready stock, enabling us to deliver urgent project requirements with shorter lead times. We also serve as a dependable UNS N08904 tube exporter, supplying products to customers across Asia, Europe, the Middle East, Africa, and North America.
Whether your application requires ASTM B677 UNS N08904 seamless tube, ASTM B674 UNS N08904 welded tube, ASTM A269 TP 904L tubes, or customized lengths and finishes, we provide complete material traceability and inspection documentation.
What are Stainless Steel 904L Tubes?
Stainless Steel 904L Tubes are low-carbon, high-alloy austenitic stainless steel tubes containing high levels of nickel, chromium, molybdenum, and copper. This unique composition provides outstanding resistance to reducing acids, chloride stress corrosion cracking, pitting corrosion, and crevice corrosion.
Compared to conventional 304L and 316L stainless steel, SS 904L performs significantly better in highly corrosive process environments. It is therefore commonly selected for heat exchangers, condensers, chemical reactors, offshore installations, pollution control equipment, and pharmaceutical processing systems.
Available in seamless and welded forms, these tubes offer excellent fabrication characteristics, superior weldability, and long operational life.
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SS 904L Seamless Pipes Specification
|
Specification |
Details |
|
Material Grade |
Stainless Steel 904L |
|
UNS Number |
UNS N08904 |
|
Werkstoff No. |
W.Nr. 1.4539 |
|
EN Standard |
EN 10216-5 1.4539 Tube |
|
Seamless Standard |
ASTM B677 UNS N08904 Seamless Tube |
|
Welded Standard |
ASTM B674 UNS N08904 Welded Tube |
|
ASME Standard |
ASME SB677 TP 904L Tube |
|
General Tubing Standard |
ASTM A269 TP 904L Tubes |
|
Forms |
Seamless, Welded, ERW, Bright Annealed, Coil Tubing |
|
Surface Finish |
Annealed, Pickled, BA, Polished |
|
Length |
Single Random, Double Random, Custom Cut |
Stainless Steel 904l Pipes Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 904L | 0.20max | 2.00 max | 1.00 max | 0.045 max | 0.035 max | 19.0 – 23.0 | 4.0 – 5.0 | 23.0 – 28.0 | 0.25 |
Stainless Steel 904l Pipes Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Hardness (Brinell) |
| SS 904L | 8 | 1300 – 1390 ℃ | 490 | 220 | 35% min | – |
Physical properties of UNS N08904Stainless Steel 904L Pipe
| Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
| 0-100°C | 0-315°C | 0-538°C | At 20°C | At 500°C | |||||
| 904L | 8000 | 200 | 15 | – | – | 13 | – | 500 | 850 |
Equivalent Grades For Stainless Steel SMLS 904l Tube
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Types Of Stainless Steel TP 904L Seamless Tubing
- Stainless Steel 904L Seamless Tubes
- SS TP 904L Seamless Tubes
- Stainless Steel 904L Tubes
- SS 904L Tubes
- Stainless Steel 904L Cold Drawn Tubes
- ASTM B 677 Stainless Steel 904L Seamless Tubes
- SS TP 904L Cold Drawn Tubes
- AISI SS TP 904L Tubing
- Stainless Steel 904L Tubing
- SS UNS N08904 Seamless Tubing
- Stainless Steel 904L Seamless Tubing
- DIN 1.4539 Stainless Steel 904L Seamless Tubes
- ASTM B677 UNS N08904 seamless tube
- ASME SB677 TP 904L tube
- ASTM B674 UNS N08904 welded tube
- ASTM A269 TP 904L tubes
- SS 904L ERW tube
- SS 904L bright annealed tube
- SS 904L coil tubing
- W.Nr. 1.4539 seamless tube
- EN 10216-5 1.4539 tube
Stainless Steel Seamless 904l Tube Sizes
| Wall | Sizes ( O.D.) |
| .010 | 1/16″ , 1/8″ , 3/16″ |
| .020 | 1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ |
| .012 | 1/8″ |
| .016 | 1/8″ , 3/16″ |
| .028 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″ |
| .035 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .049 | 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .065 | 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″ |
| .083 | 1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″ |
| .095 | 1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .109 | 1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .120 | 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″ |
| .125 | 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″ |
| .134 | 1″ |
| .250 | 3″ |
| .375 | 3 1/2″ |
|
Types of Seamless 904l Tube |
Out diameter (OD) |
Wall thickness |
Length |
|
NB Sizes (in stock) |
1/8” ~ 8” |
SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 |
Up to 6 Meters |
|
Seamless 904l Seamless Tube (Custom Sizes) |
5.0mm ~ 203.2mm |
As per requirement |
Up to 6 Meters |
|
Seamless 904l Welded Tube (in Stock + Custom Sizes) |
5.0mm ~ 1219.2mm |
1.0 ~ 15.0 mm |
Upto 6 Meters |
Ready Stock of SS 904L Tubes
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