904L Stainless Steel Seamless Pipe

Stainless steel 904L pipe manufacturer in India
ISO Certified Manufacturer

904L Stainless Steel Seamless Pipe

904L Stainless Steel Seamless Pipe is a high-alloy austenitic stainless steel pipe designed for applications requiring strong resistance to corrosion, particularly in aggressive environments containing sulfuric acid and other corrosive media. 904L contains high levels of chromium, nickel and molybdenum, along with copper, which contributes to its corrosion-resistant performance.

904L seamless pipe is used in demanding industries such as chemical processing, petrochemical, pharmaceutical, pollution-control equipment, marine applications, heat exchangers and industrial processing systems.

When selecting a 904L pipe, buyers should consider the corrosive medium, concentration, operating temperature, pressure, pipe dimensions, applicable standard, manufacturing method and inspection requirements.

20+
Years of Experience
50+
Grades in Stock
1/8"–2–4"
Size Range
100%
Quality Tested

Specification of 904L stainless steel pipe

Specification of 904L stainless steel pipe

SPECIFICATIONDETAILS
EFW pipes sizesLength : 26 m, Wall Thickness : 12.7 mm to 0.8 mm, OD: 114.3 mm - 6.35 mm
ERW pipe sizesLength: 26 m, OD : 6.35 mm to 114.3 mm, Thickness: 0.8 mm to 12.7 mm
Seamless pipe sizesThk : ½ - 6 Inch NB, Length: 6m to 12m, OD: 6.00 mm - 914.4 mm
Welded pipe sizesLength: 12 m to 0.5 m, OD : 600 mm to 10 mm, Thk : 100 mm to 2.5 mm
ShapesSquare, Rectangular, Round
Manufacturing ProcessCold Rolled, Precision Rolled, Hot Rolled
EndPlain End, Beveled End, Treaded
TestingChemical, Mechanical, PMI, Ultrasonic
Pipe EndBeveled, Plain End
Stainless steel 904L pipe

Stainless steel 904L pipe

SS 904L seamless pipe

SS 904L seamless pipe

ASTM B677 UNS N08904 ERW pipes

ASTM B677 UNS N08904 ERW pipes

904L stainless steel welded pipes

904L stainless steel welded pipes

904L stainless steel round pipe

904L stainless steel round pipe

904L SS hollow pipe

904L SS hollow pipe

SS 904L pipe sizes

SS 904L pipe sizes

Sch in. OD
mm		 Kg/m Pipe WT
mm
80S 1/2 21.34 1.65 3.73
80S 1½ 48.26 5.49 5.08
80S 2½ 73.03 11.59 7.01
160 1¼ 42.16 5.69 6.35
120 6 168.28 54.75 14.27
160 8 219.08 112.97 23.01
80S 1/4 13.72 0.81 3.02
80S 3½ 101.60 18.92 8.08
160 3 88.90 21.67 11.13
80S 3/8 17.15 1.12 3.20
160 2 60.33 11.29 8.74
160 4 114.30 34.05 13.49
80S 3/4 26.67 2.23 3.91
160 5 141.30 49.87 15.88
160 1 33.40 4.30 6.35

ASTM B677 UNS N08904 ERW pipes price list

ASTM B677 UNS N08904 ERW pipes price list

Description Price in USD Price in Kilogram (INR)
Stainless Steel 904LSeamless Pipe, 6 meter $ 6.99 ₹ 599
Round SS Pipes 904L, Thickness: 5 mm, Size: 2 inch $ 9.34 ₹ 800
6 Mm Od To 914 4 Mm Stainless Steel 904L Seamless Pipe, $ 10.51 ₹ 900/ piece

904L Stainless Steel welded pipes hsn code

904L Stainless Steel welded pipes hsn code

Product HS code
SS 904L 73044900

904L Pipe temperature range

904L Pipe temperature range

Btu/(lb °F) Temperature, °F Temperature, °C J/(kg °C)
0.14 800 400 570
0.12 400 200 515
0.15 1200 600 605
0.11 68 20 460
0.13 600 300 545
0.12 200 100 485
0.14 1000 500 590
0.15 1300 700 615

Stainless steel 904L pipe weight chart

Stainless steel 904L pipe weight chart

Nominal size [inches] Wall thickness [mm] Wall thickness [inches] Weight [kg/m] Outside diameter (OD) [mm] Outside diameter (OD) [inches] Weight [lb/ft]
12 inch NPS 300 10.31 0.406 79.73 323.8 12.75 53.52
2 1/2 inch NPS 65 5.16 0.203 8.63 73.0 2.875 5.79
16 inch NPS 400 12.7 0.5 123.3 406.4 16.0 82.77
3 inch NPS 80 5.49 0.216 11.29 88.9 3.5 7.58
18 inch NPS 450 14.27 0.562 155.8 457.0 18.0 104.67
5 inch NPS 125 6.55 0.258 21.77 141.3 5.563 14.62
14 inch NPS 350 11.13 0.437 94.55 355.6 14.0 54.57
6 inch NPS 150 7.11 0.28 28.26 168.3 6.625 18.97
24 inch NPS 600 17.48 0.688 255.41 610.0 24.0 171.29
1 1/2 inch NPS 40 3.68 0.145 4.05 48.3 1.9 2.72
1/8 inch NPS 6 1.73 0.068 0.37 10.3 0.41 0.24
1 inch NPS 25 3.38 0.133 2.5 33.4 1.32 1.68
1/4 inch NPS 8 2.24 0.088 0.63 13.7 0.54 0.42
4 inch NPS 100 6.02 0.237 16.07 114.3 4.5 10.79
3/8 inch NPS 10 2.31 0.091 0.84 17.1 0.68 0.57
1 1/4 inch NPS 32 3.56 0.14 3.39 42.2 1.66 2.27
2 inch NPS 50 3.91 0.154 5.44 60.3 2.375 3.65
1/2 inch NPS 15 2.77 0.109 1.27 21.3 0.84 0.85
3 1/2 inch NPS 90 5.74 0.226 13.57 101.6 4.0 9.11
10 inch NPS 250 9.27 0.365 60.31 273.0 10.75 40.48
3/4 inch NPS 20 2.87 0.113 1.69 26.7 1.05 1.13
8 inch NPS 200 8.18 0.322 42.55 219.1 8.625 28.55
32 inch NPS 800 17.48 0.688 342.91 813.0 32.0 230.08
20 inch NPS 500 15.09 0.594 183.42 508.0 20.0 123.11

SS 904L pipe chemical composition

SS 904L pipe chemical composition

Grade Mn Cr C Si Ni P S
904L 2 18 – 20 0.08 0.75 8 – 11 0.045 0.030

ASTM B677 TP 904L pipes mechanical properties

ASTM B677 TP 904L pipes mechanical properties

Temper Annealed
Tensile Rm 490 MPa (min)
R.p. 0.2 percent Yield 220 MPa (min)
Tensile Rm 71 ksi (min)
R.p. 0.2 percent Yield 32 ksi (min)
Elongation 35 % (min)

904L Stainless Steel round Pipe physical properties

904L Stainless Steel round Pipe physical properties

Specific Heat (0-100°C) 450 J.kg-1.°K-1
Thermal Conductivity 11.5 W.m -1.°K-1
Thermal Expansion 15.8 mm/m/°C
Density 7.95 g/cm3
Electrical Resistivity 9.52 μohm/cm
Modulus Elasticity 190 GPa

904L SS Hollow Pipe equivalent grade

904L SS Hollow Pipe equivalent grade

Grade Old British UNS No Swedish SS Euronorm Japanese JIS
BS En No Name
904L 904S13 X1NiCrMoCu25-20-5 N08904 – 1.4539 – SUS 890L

Application of 904L stainless steel pipe

  • Oil and gas industry
  • Automotive industry
  • Water supply and plumbing
  • Marine and shipbuilding
  • Fire protection systems
  • Power generation and energy
  • Pharmaceutical industry
  • chemical and petrochemical industry
  • Food and beverage industry
  • Construction and infrastructure
  • mining and mineral processing

Pressure rating of 904L SS Pipe

Pressure rating of 904L SS Pipe

Temperature Comparison to other High Temperature Pipe
°C °F Alloy 254 UNS C69100 Temper TF00 Type 904L Alloy 825
149 300 0.79 1.00 0.74 0.95
371 700 0.64 0.56 0.81
204 400 0.73 0.96 0.68 0.90
93 200 0.88 1.00 0.82 1.00
260 500 0.69 0.63 0.87
315 600 0.66 0.58 0.84
426 800 0.79

SS 904L EFW pipe surface finish

  • Bead Blasted
  • Hot Finished
  • Pickled and Passivated
  • Cold Drawn
  • Brushed
  • Polished

Grade 904L SS seamless pipe schedule chart

Grade 904L SS seamless pipe schedule chart

NPS OD in inch 40 80 10 10s 160
3 3.500 .216 .300 .120 .120 .437
4 4.500 .237 .337 .120 .120 .531
5 5.563 .258 .375 .134 .134 .625
6 6.625 .280 .432 .134 .134 .718
1/8 .405 .068 .095 .049 .049
3/8 .675 .091 .126 .065 .065
3/4 1.050 .113 .154 .083 .083 .218
1 1/4 1.660 .140 .191 .109 .109 .250
2 2.375 .154 .218 .109 .109 .343
8 8.625 .322 .500 .148 .148 .906
10 10.750 .365 .593 .165 .165 1.125
12 12.750 .406 .687 .180 .180 1.312
16 16 .500 .843 .250 .188 1.593
18 18 .562 .937 .250 .188 1.781

Alloy 904L pipe test certificate

Alloy 904L pipe test certificate

  • Raw materials report
  • MTC report
  • 100% radiography test certificate
  • GSP
  • Destructive and NDT test report
  • PMI test certificate
  • Chemical and mechanical test certificate

What Is 904L Stainless Steel Seamless Pipe?

904L stainless steel seamless pipe is manufactured from 904L austenitic stainless steel and produced without a longitudinal welded seam. 904L is a high-alloy stainless steel developed for applications where conventional stainless steel grades may not provide sufficient corrosion resistance. It is commonly identified by:

  • Grade: 904L
  • UNS: N08904
  • Material: Austenitic stainless steel
  • High chromium content
  • High nickel content
  • Molybdenum addition
  • Copper addition
  • Low carbon content

The exact product standard should be confirmed according to the buyer's application and project specification.

Why Choose 904L Stainless Steel Pipe?

904L is selected primarily when corrosion resistance is a major material-selection requirement. Important characteristics include:

  • Excellent resistance to many corrosive environments
  • Strong resistance to sulfuric acid in suitable conditions
  • Good resistance to pitting and crevice corrosion
  • Good resistance to chloride-containing environments
  • High resistance to intergranular corrosion
  • Good resistance to stress corrosion cracking in appropriate environments
  • Austenitic structure
  • Good weldability when appropriate procedures are followed

Corrosion performance always depends on the specific chemical environment, concentration, temperature and exposure conditions.

904L Stainless Steel Seamless Pipe Applications

904L is particularly useful in industries where corrosion resistance is a critical consideration.

Chemical Processing

Used in selected chemical-processing systems handling aggressive chemicals.

Sulfuric Acid Applications

904L is well known for its resistance to sulfuric acid in appropriate concentration and temperature ranges.

Petrochemical Industry

Used in selected process equipment and piping systems where higher corrosion resistance is required.

Pharmaceutical Industry

Can be used in suitable process applications where material compatibility and corrosion resistance are important.

Marine Applications

Its high alloy content can make 904L suitable for selected marine and chloride-containing environments.

Pollution-Control Equipment

Used in selected scrubber and pollution-control systems exposed to corrosive conditions.

Heat Exchangers

904L may be selected for heat-transfer equipment where the process fluid creates a demanding corrosion environment.

Quality Checks for 904L Stainless Steel Seamless Pipe

A professional procurement process should verify:

  • Correct 904L grade and UNS designation where applicable
  • Applicable product specification
  • Dimensions and wall thickness
  • Heat-treatment requirements
  • Surface condition
  • Chemical composition and mechanical properties
  • Testing requirements
  • Heat / lot traceability
  • Material Test Certificate
  • Inspection documentation

For critical applications, documentation should be reviewed against the purchase order and applicable specification.

904L Stainless Steel Pipe Corrosion Resistance

One of the primary reasons for selecting 904L is its resistance to aggressive corrosion environments. Its alloying system provides enhanced resistance to:

  • General corrosion
  • Pitting corrosion
  • Crevice corrosion
  • Intergranular corrosion
  • Certain acid environments
  • Stress corrosion cracking under suitable conditions

Request a Quote for 904L Stainless Steel Seamless Pipe

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Frequently Asked Questions About 904L Stainless Steel Seamless Pipe

904L stainless steel seamless pipe is a high-alloy austenitic stainless steel pipe manufactured without a longitudinal welded seam. It is primarily selected for demanding corrosion-resistant applications.

904L is used in selected chemical-processing, petrochemical, pharmaceutical, marine, pollution-control and other applications requiring high corrosion resistance.

Neither grade is universally better. 904L has a higher alloy content and may be preferred for certain highly corrosive environments, while 316L can be more economical and appropriate for many general chemical and marine applications.

904L is known for good resistance to sulfuric acid under appropriate conditions. Actual suitability depends on concentration, temperature and other process variables.

Yes. 904L is specifically valued for its high corrosion resistance, including resistance to several forms of localized corrosion such as pitting, crevice corrosion and intergranular corrosion.

904L can be considered for selected marine and chloride-containing environments, but the actual service conditions should be evaluated before material selection.

Yes. 904L can be welded using suitable procedures and compatible welding consumables. The welding procedure should be selected according to the application and applicable fabrication requirements.

Available sizes depend on the applicable specification and supplier's manufacturing range. Spark Steel supplies 904L seamless pipe in a range of sizes — contact us with your specific size and schedule requirements for availability and pricing.

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