UNS NO8904, commonly known as 904L stainless steel, is a low carbon austenitic nickel-chromium stainless steel with additions of molybdenum and copper.
Due to the combination of high contents of chromium, nickel, molybdenum and copper, stainless steel 904L pipes and tubes exhibits greater resistance to pitting and crevice corrosion and to general corrosion in reducing acids. These Stainless Steel 904L Tubes are mainly used where the corrosion resistant properties of SS 316L and SS 317L are inadequate, especially in severe corrosive conditions.
When compared to 2205 grade duplex stainless steel, ASTM B677 904L Seamless Pipes has similar corrosion resistant properties but lower mechanical strength. Grade 2205 is also a lower cost option compared to WNR 1.4539 Tubes but is not suitable for temperatures above 300°C. Meanwhile, our Seamless 904L Pipes and Tubings are widely used for manufacturing tanks, vessels, piping, heat exchangers, and other equipment used for handling sulphuric, phosphoric and acetic acids, bleaching operations in the pulp and paper industry.
Stainless Steel 904L UNS N08904, WNR 1.4539 Seamless Pipes, Tubes / Tubing
STANDARD | UNS | WERKSTOFF NR. | BS | AFNOR | JIS | KS | EN |
SS 904L | N08904 | 1.4539 | 904S13 | Z2 NCDU 25-20 | SUS 890L | STS 317J5L | X1NiCrMoCu25-20-5 |
Production, Supply, Stock Range of Stainless Steel 904L Pipes and Stainless Steel 904L Tubes
904L Seamless Pipe and Tubes Specification : ASTM B677, ASME SB677
904L Welded Pipe / Tubes Specification : ASTM B 673 / 674, ASME SB 673 / 674
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
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 | Outside 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
Inspection, Test Reports: Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing: Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials: Sizes and Specifications other than above can be manufactured on request
Stainless Steel 904L UNS N08904, WNR 1.4539 Pipes and Tubes Available Product Forms :
SS 904L Welded and Seamless Tubes, Pipes
SS 904L Coiled Tubing
SS 904L Hydraulic and Instrumentation Tubes
SS 904L Seam Welded and Cold Redrawn Pipe and Tubes
SS 904L Seam Welded, Cold Redrawn and Annealed Pipes and Tubes
SS 904L Capillary Tubes
Stainless Steel 904L Pipe Polishing
Stainless Steel 904L Pipes & Tubes Chemical Composition :
C | Cu | Mn | Si | P | S | Cr | Ni | Fe | Mo |
0.020 max. | 1.0 - 2.0 | 2.00 max. | 1.00 max. | 0.045 max. | 0.035 max. | 19.0 – 23.0 | 23.0 – 28.0 | Balance | 4.0 - 5.0 |
Stainless Steel 904L Pipes & Tubes Mechanical Properties :
Grade | 904L |
Density | 8 |
Melting Range,℃ | 1300 - 1390 ℃ |
Elongation % | 35 min |
Tensile Strength (Mpa) | 490 |
Yield Strength (Mpa) | 220 |
Hardness (Brinell) | 150 |
Stainless Steel 904L UNS N08904, WNR 1.4539 Pipes, Tube Stock and Supply Range
Sr. No. | Product Description | Outside Diamter, OD (in mm) | Wall Thickness, WT (in mm) |
1 | Stainless Steel 904L Round Pipe/Tube | 6mm – 630mm | 0.5mm-30mm |
2 | Stainless Steel 904L Square Pipe/Tube | 12.7mm* 12.7mm to 300mm* 300mm | 0.5mm-30mm |
3 | Stainless Steel 904L Rectangular Pipe/Tube | 10*20mm to 100*200mm | 0.5mm-30mm |
4 | Stainless Steel 904L Colour Coated Pipe/Tube | 6mm to 630mm | 0.5mm-30mm |
5 | Stainless Steel 904L Electropolished Pipes/Tubes | 12.7mm to 250mm | 0.5mm-30mm |
6 | Stainless Steel 904L Triangle Tube | 16mm to 85mm | 0.5mm-3.0mm |
7 | Stainless Steel 904L Hexagonal Tube | 13mm to 85mm | 0.5mm-2.0mm |
8 | Stainless Steel 904L U Shaped Tube | 20mm to 200mm | 0.5mm-2.0mm |
9 | 904L Thin-Wall Stainless Steel Tube | 22mm*0.7mm to 108mm*2.0mm | 0.5mm-2.0mm |
10 | 904L Inner/Outside Polished Stainless Steel Tube, Pipes | 12.5mm to 203.2mm | 1.0mm – 5mm |
11 | Stainless Steel 904L Capillary Tube | 0.28mm to 10mm | 0.08mm – 1.2mm |
12 | Stainless Steel 904L Seamless Tube | 6mm to 430mm | 0.8mm – 30mm |
Origin of material (Make):
V & M France
Mannesmann Brazil
Dalmine Italy
Tubacex Spain
Nippon Steel & Sumitomo Metal, Japan
Sumitomo Japan
ArcelorMittal Romania
JFE Steel Corporation Japan
Ratnamani India
Rajendra Industrial Corporation India
Outokumpu Finland
Welspun India
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