Stainless Steel 904L Pipe Fittings Manufacturer

Stainless Steel 904L Buttweld Fittings, Stainless Steel 904L Pipe Fittings, ASTM A403 WP904L SS Pipe Fittings, SS 1.4539 Pipe Fittings, Stainless Steel UNS N08904 Pipe Fittings, SS 904L Butt weld Reducer, SS 904L Buttweld Fittings Suppliers in Mumbai, India.

Astec Tubes has been the prominent manufacturer and supplier of SS 904L Pipe Fittings. We supply prime quality products all around the country. Grade 904L is the non- stabilized austenitic stainless steel with high resistance to acidic environments. It can even resist sulphuric acids and crevice corrosion. It has very low contents of carbon that helps in giving splendid malleability and weldability. Some amount of copper is summed up with this alloy to improve the stress corrosion cracking. It has a non- magnetic nature with excellent oxidation and heat resistance properties. SS 904L Pipe Fittings have the elongation range to 35%. It has a melting point till 1350° C or 2460°F. It is composed of 0.02% carbon, 2% manganese, 1% silicon, 0.04% phosphorus, 0.03% of sulfur, 19% to 23% chromium, 4% -5% of molybdenum, 23% - 28% nickel, and 1 to 2% copper. The specifications of the grade are governed by the ASTM B649 and ASME SB649. This particular product is being widely used for the gas scrubbers, seawater coolers, and in the electrostatic precipitators. Other than this it is also used in the Research, science, and industry for sterile and aseptic engineering. It’s easy availability and pocket-friendliness causes wide commercial demands too.

Grade 904L mainly comes in two types as Socketweld and Threaded fittings. Socketweld is like an attachment fitting to create a joint between two or more pipes or valves. It has the ability of high pressure and the most preferred by the industrial sectors. They are used in the permanent pipework because of its strength that does not allow any leakage. Likewise, the Threaded fittings are the joining pipes that are generally used for the low cost and non-critical works. Hence, it is widespread in the domestic water pipelines, fire protection, cooling water systems.

SUS 904L Pipe Bend, Stainless Steel 904L Eccentric Reducer, 904L SS Concentric Reducer, SS 904L Stub End, ANSI B16.9 SS 904L Welded Pipe Fittings, SS 904L Pipe Fittings, ASME SA 403 WP904L Pipe Cap, 904L Stainless Steel Buttweld 90 Deg. Elbow, 904L Stainless Steel Equal Tee, SS N08904 Seamless Butt weld Fittings, SS 1.4539 Pipe Elbow, SS 904L Industrial Pipe Fittings Manufacturer in India.

SS 904L Pipe Fittings have some markings on its packing to make it identifiable. They are inclusive of Nominal Forged Fittings Size, Schedule (Wall Thickness), Specification, Grade of Alloy. It also includes some of the value additive services like polish, heat treating, pickling, rolling, bending, forging, annealing. Sometimes minor fabrications are also done as per the client’s requirements.

Standard : ASTM A403 / ASME SA403

Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43

Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)

Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS

Type : Seamless / Welded / Fabricated

Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom

Stainless Steel 904L Butt weld Elbow

Stainless Steel 904L Butt weld Elbow

Stainless Steel 904L Butt weld Tee

Stainless Steel 904L Butt weld Tee

Stainless Steel 904L Butt weld Cross

Stainless Steel 904L Butt weld Cross

Stainless Steel 904L Butt weld Reducer

Stainless Steel 904L Butt weld Reducer

Stainless Steel 904L Butt weld Stub End

Stainless Steel 904L Butt weld Stub End

Stainless Steel 904L Butt weld Pipe Bend

Stainless Steel 904L Butt weld Pipe Bend

Stainless Steel 904L Butt weld Fittings Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 904L 1.4539 N08904 SUS 904L 320S31 08Ch17N13M2T Z6CNDT17‐123 X6CrNiMoTi17-12-2
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General Queries While Buying 904L SS Pipe Fittings

ASTM A403 WP904L Butt weld Pipe Fittings Chemical Composition

Grade C Mn Si P S Cr Mo Ni Fe
SS 904L 0.08 max 2.0 max 0.75 max 0.045 max 0.030 max 16.00 - 18.00 2.00 - 3.00 10.00 - 14.00 68.395 min

ANSI B16.9 SS 904L Buttweld Fittigns Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1399 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Types of Stainless Steel 904L Buttweld Fittings

Manufacturing Standards of Stainless Steel 904L Pipe Fittings Manufacturers in India & Globally

ASME B16.9 Factory-Made Wrought Buttwelding Fittings 904L SS Long Radius Elbows, Long Radius Reducing Elbows, 904L Stainless Long Radius Returns, 904L Steel Short Radius Elbows, SS 904L Short Radius 180-deg Rerurns, Stainless Steel 904L 3D elbows, Straight Tees, Straight Crosses, Reducing Outlet Tees, Reducing Outlet Crosses, SS 904L Lap Joint Stub Ends, Stainless Steel 904L Caps, Reducers
ASME B16.28 904L SS Short Radius Elbows, SS 904L Short Radius 180-deg Returns
MSS SP43 Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications SS 904L Long Radius Elbows, Straight and Reducing-on-the-Outlet Tees, Lap Joint Stub ends, 904L Stainless Steel caps, long radius 180 Degree returns, concentric reducers, eccentric reducers
Mss SP75 Stainless Steel 904L Long Radius Elbows, 3R elbows, straight tees, reducing outlet tees, caps, 904L SS reducers


Stainless Steel 904L Buttweld Fittings Applications

  • Petrochemicals
  • Gas Processing
  • Chemical Equipment
  • Off-Shore Oil Drilling Companies
  • Pharmaceutical Equipment
  • Pulp & Paper Industry
  • Sea Water Equipment
  • Power Generation