904l Stainless Steel Tubing is a low carbon containing highly alloyed austenitic grade stainless steel. The alloy of 904l Stainless Steel Tube is low with regards to the content of carbon, which in turn eliminates the intergranular corrosion after the welding as well as heat treatment. As an alloy, the 904l Tubes have been designed for the strident corrosion conditions. Seamless 904l Tubes has good resistance to localized attack such as pitting and crevice corrosion.
904L Stainless Steel Tubing
SS 904L Tube
904L Steel Cold Drawn Tube
In fact, this particular alloy grade has a very high capacity to stress related corrosion cracking. In addition, the Stainless Steel 904l Tubes also has great intergranular corrosion resistance property, along with having good processability and good solderability properties as well. The highest temperature that the alloy can withstand heat is up to temperature if about 1180 ℃ when hot forging. Care should be taken that the lower temperature for forging must be not lesser than a temperature of 900℃. This alloy 904l Steel Cold Drawn Tube may additionally hot formed between a temperature range of about 1000 - 1150℃.
Although the SS 904l Tube could use common steel welding techniques for welding, the excellent manner to weld these tubes are manual arc welding and tig welding. when using manual arc welding, to weld the alloy the welding rod diameter needs to be no more than 2.5 mm while welding 6 mm plate. On the other hand, if the diameter of the welding Rod is lesser than 3.2 mm then the thickness of the plate needs to be greater than 6 mm.
Stainless Steel 904L Tubing Standards | ASTM B677 / ASME SB677 |
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Stainless Steel 904L Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
Marking | All Stainless Steel 1.4539 Tubing are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
ASTM B677 UNS N08904 Tubing Length | Single Random, Double Random, Standard & Cut length Tube |
904L SS Tubing Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
Specialize in | Stainless Steel 1.4539 Capillary Tube & Other Odd Size N08904 Stainless Steel Heat Exchanger & Condenser Tube |
Form | ‘U’ bent, Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Etc |
Types of 904L Steel Tubing | Seamless, ERW, EFW, Welded, Fabricated Tube / Tubing |
904L SS Tube wall thickness | 0.020" –0.220", (special wall thicknesses available) |
904L Steel Tube End | Plain End, Beveled End, Treaded Tube |
Stainless Steel 904L Welded Tube Size | 6.35 mm OD To 152 mm OD |
Alloy 904L Tubing Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
Application & uses of 904L Stainless Steel Tubing | Oil Tube, Gas Tube, Fluid Tube, Boiler Tube, Heat exchanger Tube, |
We can also cut, thread, and groove N08904 Stainless Steel Tube to meet your specifications. 904L Stainless Steel Tubing Dimension ANSI/ ASME B36.10, B36.19, B2.1 |
Wall | Sizes ( O.D.) |
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.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 |
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NB Sizes (in stock) | 1/8” ~ 8” | SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 | Upto 6 Meters |
Seamless 904L Seamless Tube (Custom Sizes) | 5.0mm ~ 203.2mm | As per requirement | Upto 6 Meters |
Seamless 904L Welded Tube (in Stock + Custom Sizes) | 5.0mm ~ 1219.2mm | 1.0 ~ 15.0 mm | Upto 6 Meters |
904L SS Electropolished Tubing | 904L Stainless Steel Rectangular Tube |
SS 904L Square Tubing | N08904 Stainless Steel Polished Tube |
904L Steel Tubing | 904L Grade Stainless Steel Fabricated Tube |
904L Stainless Steel Seamless Tube | ASTM B677 UNS N08904 12mm Tube |
Stainless Steel 1.4539 Welded Tube | ASTM B677 UNS N08904 Seamless Tubing |
N08904 Stainless Steel High Pressure Tube | Alloy 904L Thin Wall Tubing |
904L Steel Electropolished Tubes | ASTM B677 UNS N08904 Cold Drawn Seamless Tube |
Stainless Steel 904L Hydraulic Tubing | Alloy 904L Coiled Tube |
904L Grade Stainless Steel ERW Tube | Stainless Steel 1.4539 Electropolished Tube |
904L Stainless Steel Rectangular Tubing | SS 904L CDW Tube |
ASTM B677 UNS N08904 Electropolish Tube | Stainless Steel 904L Capillary Tubing |
Stainless Steel 1.4539 Small Diameter Tubing | 904L SS ERW Tubing |
N08904 Stainless Steel High Pressure Tubing | 904L Steel High Pressure Tube |
Stainless Steel 904L Tubing | SS 904L Instrumentation tube |
904L Stainless Steel Tube | SS 904L Round Tube |
Stainless Steel 1.4539 EFW Tube | Alloy 904L Finned Tube |
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
904L | 8000 | 200 | 15.0 | – | – | 13.0 | – | 500 | 850 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
904L | 490 | 220 | 35 | 70-90 typical | – |
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
BS | En | No | Name | ||||
904L | N08904 | 904S13 | X1NiCrMoCu25-20-5 | 1.4539 | – | – | SUS 890L |
Specific Heat (0-100°C) | 450 | J.kg-1.°K-1 |
Thermal Conductivity | 11.5 | W.m -1.°K-1 |
Thermal Expansion | 15.8 | μm/μm/°C |
Modulus Elasticity | 190 | GPa |
Electrical Resistivity | 9.52 | μohm/cm |
Density | 7.95 | g/cm3 |