SS 904L Pipes & Tubes

904l Stainless Steel Pipe Manufacturers, SS 904L Pipes Supplier, SS 904l Seamless Pipe And Tubes, 904l Stainless Steel Tube Manufacturing, SS 904L Pipes, Stainless Steel 904L Tubes & Pipes, SS 904L Welded Pipes Suppliers, SS Pipe & Tube, Stainless Steel Rectangular Pipe Exporter & Supplier in Mumbai India.

Alpha Overseas(AOS) is one of the eminent manufacturers that offer 904L stainless steel Pipes, which is a non-stabilized austenitic stainless steel with low carbon content. Stainless Steel 904L Tubes is a low carbon high alloy austenitic stainless steel which is widely used in applications where the corrosion properties of SS 316L and SS 317L are not adequate. 904L Tubes and Pipe is a super-austenitic stainless steel designed for corrosion and pitting resistance in a wide range of process environments. 904L Seamless Pipes is a fully austenitic low-carbon variety of stainless steel with additives of molybdenum and copper. 904L Welded Pipe is an austenitic stainless steel designed for moderate to high corrosion resistance. 904L EFW Pipes has greater amounts of chromium and nickel than the 316L grade. This Pipes is intended for use under severe corrosion conditions within the process industry. Alloy 904L Seamless Tubes is an austenitic stainless steel intended for use under severe corrosion conditions, with a very good resistance to attacks in acidic environment, as phosphoric, acetic and sulphuric acid.

SS 904L Seamless Pipes
SS 904L Seamless Pipes
SS 904L Welded Tubes
SS 904L Welded Tubes

ASTM B677 SS Seamless Tube, SS 904L Pipes Manufacturer, Stainless Steel DIN 1.4539 Square Pipes & Tubes Suppliers, SS 904l Seamless Pipe And Tubes, ASTM B674 SS Welded Pipe Manufacturer, ASTM B677, B673, B674 TP 904L Pipes & Tubes Manufacturing, Stainless Steel 904L Seamless Pipes & Tubes Manufacturer & Stockist in Mumbai, India.

904L Welded Tubes is often used in Petrochemical industry, Oil and gas industry, Bleaching equipment in the pulp and paper industry. Known as high alloy stainless steel, AISI EFW Tubes is added with copper to improve its resistance to strong reducing acids, such as sulphuric acid. 904L Pipes and Tubes is actually a high alloy austenitic stainless steel that is known for its corrosion properties.


ASTM B677, B673, B674 TP 904L Tubes & Pipes Specification :

Specifications : ASTM B/ASME SB677 / B673 / B674

Dimensions : ASTM, ASME and API

Standard : GB/T 14975-2002, GB/T 14976-2002, GB 13296-91, API, JIS G3459, JIS G3463, JIS G3448, DIN17458

Outer Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB

Thickness : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Form : Round, Square, Rectangular, Hydraulic Etc.

Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes

Length : Single Random, Double Random & Cut Length.

End : Plain End, Beveled End, Treaded


SS 904L Welded Pipes and Tubes Equivalent Grades

SS 904L 1.4539 N08904 Z2 NCDU 25-20 X1NiCrMoCu25-20-5 904S13 STS 317J5L


Stainless Steel 904L Seamless Pipe and Tube Chemical Composition

Element Ni C Mn P S Si Cr N Mo Cu
SS 904L 28.00 - 23.00 0.20 2.00 0.045 0.035 1.00 23.0 - 19.0 0.25 - 0.10 5.00 - 4.00 2.00 - 1.00


SS 904L Pipes & Tubes Mechanical & Physical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 904L 8 1300 - 1390 ℃ 490 220 35% min

Testings (Destructive, Non Destructive):
  • Positive Material Identification - PMI Testing
  • Chemical Analysis - Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation
  • Micro Test
  • Macro Test
  • Hardness Test
  • Pitting Resistance Test
  • Intergranular Corrosion (IGC) Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Radiography Test
  • Dye Penetrant Test (DP Test)
  • Ultra Sonic Test (UT)
  • Eddy Current Testing
  • Impact Test
  • Bend Test


  • We understand the importance of packaging specially in case of international shipments as the consignment has to go through a number of channels to reach the final destination, thus we take proper care of packing.
  • We pack our goods in a various ways depending on the products. The different ways in which our products are packed are:
    • Shrink-wrapped
    • Wooden Boxes
    • Wooden Pallets
    • Wooden Crates
    • Carton boxes


  • All our products will have complete marking details which are co-related to the test certificates we supply.
  • In case of orders for cut piece of Pipes, Sheets or Round Bars, the marking is transferred from the product from which it is cut. In such cases we provide Letter confirming the marking transfer and picture of the product from which it is cut.


Delivery Time:
  • If the items are available in stock, we take 2 days from the date of receipt of advance payment to clear the shipment and send it to port.
  • And in-case the items are not availabe in stock, the time taken for manufacturing depends on the size, quantity and grade.
  • However we can claim the fact that we can compete with anyone in India on Delivery time and most of the time our production time is the least.
  • We have tied up with strong logistic partners in India which can undertake any type of shipping activites and make sure that there is no delay in shipment.


  • We welcome stage wise inspection, final stage inspection from any of your representative or third party inspection agencies.
  • We regularly have inspections ongoing at our premises from internationally acclaimed Inspection Agencies such as TUV, Llyods, BVIS, SGS, DNV etc.


  • Furnaces (piping, doors, burners, fans and recuperators)
  • Components (Cryogenic)
  • Industries processing food
  • Bed Furnaces (Fluidized) suc as grids, wind boxes, piping, coal combustors
  • SS 904L is used in smelter and steel melting equipment, continuous casting equipment in Steel Plants and Ore Processing Plants
  • Petroleum and Petrochemical refineries for catalytic recovery systems, flares, recuperators, tube hangers
  • SS 904L is used in Power Generation for coal gasifier internals, pulverized coal burners, tube hangers
  • Sintering/Cement Plants – burner shields, burners, wind boxes feeding and discharging systems
  • Thermal Process Plants for annealing covers and boxes, burner grids, doors, fans, muffles and retorts, recuperators, walking beams

Other Types Of SS 904L Pipes and Tubes
  • ASTM B677 SS Welded Pipes
  • SS 904L Seamless Piping
  • Stainless Steel 904L Welded Pipe Suppliers at UAE
  • SS UNS N08904 Hydraulic Tubes
  • ASME SB674 SS Rectangular Pipes Suppliers
  • SS 904L Square Tube
  • Stainless Steel 904L Welded Tube
  • SS 904L Pipes & Tubes
  • SS 904L Pipes Exporter
  • SS 904L Tubes Manufacturer
  • SS 904L Seamless Tubes
  • Stainless Steel 904L EFW Tube Stockist
  • SS 904L Round Tubes
  • Stainless Steel 904L ERW Tubes
  • SS DIN 1.4539 Tubes & Pipes Exporter
  • ASTM B673 SS Welded Pipes
  • SS 904L Seamless Pipes and Tubes Suppliers
  • Stainless Steel 904L Welded Pipes and Tubes Suppliers at France
  • SS 904L Tubes Supplier
  • SS 904L Tubes Exporter

Approved manufacturer of
Sabic approved SS 904L Seamless Pipes
KNPC approved Stainless Steel 904L Seamless Tubes
Williamson approved SS 904L Instrumentation Tubes
MARAFIQ approved ASTM B677 SS Welded Tubes
Magnetrol approved SS 904L Seamless Tubing
QATARGAS approved Stainless Steel 904L Welded Tubing
ONGC approved SS 904L Rectangular Pipes & Tubes
FW approved ASTM B673 SS 904L Seamless Tube
IBR approved SS 904L DIN 1.4539 Welded Tube Pipe
Alba approved ASTM B677 SS 904L Welded Pipe
Kuwait Oil Company approved ASTM B677, B673, B674 TP 904L Pipes & Tubes
Egyptian General Petroleum Corporation approved SS 904L Square Pipe & Tubes
Industry We Serve
Stainless Steel 904L Seamless Pipes and Tubes in Petrochemical Industry
SS UNS N08904 Tubes in Oil & Gas Industry
Stainless Steel 904L Pipes in Power Plant
Stainless Steel 904L Tube & Pipe in Pharmaceuticals Industry at Slovakia
Stainless Steel 904L Welded Pipes in Chemicals Industry
SS Pipe & Tube in Defence Industry
SS 904L Welded Tubes in Food and Beverages Industry
ASTM B674 SS 904L Welded Tubes in Sugar Industry
SS 904L Seamless Pipes in Paper Industry
SS 904L Tubes and Pipes in Cement Industry
SS DIN 1.4539 Hydraulic Tubes Industry at Czechia
SS 904L Pipes & Tubes in Mining Industry

We Supply Our SS 904L Pipe & Tubes in Countries like


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