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Aug 25, 2025

Learn about stainless steel 904L seamless pipe

 
stainless steel 904L seamless pipe
Learn about stainless steel 904L seamless pipe
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Learn about stainless steel 904L seamless pipe

904L seamless stainless steel pipe is a high-alloy, austenitic pipe renowned for its exceptional corrosion resistance, particularly in acidic, chloride-rich, and high-temperature environments. This makes it ideal for demanding chemical, marine, and oil and gas applications. Its high alloy content (chromium, nickel, molybdenum, and copper) provides exceptional strength, formability, and durability without the risk of weld corrosion. Its seamless construction, constructed from a single piece of hot-rolled steel, offers higher pressure resistance and load-bearing capacity than welded pipe.

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What's so special about 904L steel?

904L is more corrosion-resistant than other types of stainless steel. This metal offers exceptional resistance to pitting and crevice corrosion, making it ideal for use in harsh environments. While 904L is more expensive than other types of stainless steel, its superior corrosion resistance is well worth the price.

904L Steel
 
 

Specification Of Stainless Steel 904L Seamless Pipes

Specifications : ASTM A312 / ASME SA312

Outside Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size available Ex-stock

Thickness : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

Size : 1/2″ NB – 24″ NB

Type : Seamless

Form: Round Pipes, Square Pipes, Rectangular Pipes.

Length : Single Random, Double Random & Required Length

End : Plain End, Beveled End, Treaded

Chemical Composition Of Stainless Steel 904L Seamless Pipes

Grade C Mn Si P S Cr Mo Ni Cu
SS 904L 0.020 max 2.00 max 1.00 max 0.040 max 0.030 max 19.00 – 23.00 4.00 – 5.00 max 23.00 – 28.00 1.00 – 2.00

SS 904L Seamless Pipe Mechanical Properties

Grade Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 904L Psi – 71000, MPa – 490 Psi – 32000, MPa – 220 35 %

Tolerance Chart of 904L Stainless Steel Tube

Stainless Steel 904L Pipe OD astm b677 tp 904l Pipe Tolerance
4 to 35 milimeter +/- 0.08 milimeter
35 to 38 milimeter +/- 0.15 milimeter
38 to 60 milimeter +/- 0.20 milimeter
60 and above +/- 0.25 milimeter

Size Chart of 904L Stainless Steel Tubes

Wall Thickness 904L Stainless Steel Pipe 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″
Gnee Steel

 

About Gnee Steel

Gnee Steel specializes in the production and sale of a wide range of stainless steel products, including 304, 316, 321, 904, 904L, 2205 Duplex, 2205 Duplex, and 316L stainless steel. Gnee Steel's products are widely used in the kitchen, aerospace, chemical, power, automotive, and nuclear energy sectors. We also provide custom stainless steel solutions tailored to customer needs. For stainless steel pricing or custom alloy solutions, please email ru@gneesteelgroup.com for a quote.

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