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AISI 321 Stainless Steel ButtWelded Outlets Pipe Fitting

Rexon Pipe Fitting is one of the leading manufacturers and suppliers of quality pipe fittings, providing AISI 321 Stainless Steel ButtWelded Outlets Pipe Fitting for different uses. AISI 321 is an austenitic stainless steel with titanium stabilization that is characterized by high resistance to intergranular corrosion, high temperature, and oxidation. It is also well suited for welding and forming processes. The AISI 321 Stainless Steel ButtWelded Outlets Pipe Fitting that we manufacture ensures a tight and leak-free seal between pipes, valves, and other devices. They come in several types, including elbows, tee, reducer, cross, and cap, in various sizes, schedules, and standards. We rely on advanced technology and high-quality raw materials to guarantee the strength and function of our products. We also provide tailor-made services to address the unique requirements of our clients.

AISI 321 Stainless Steel ButtWelded Outlets Pipe Fitting

Types of SS ButtWelded Outlets Pipe Fitting

Industries that use our AISI 321 Stainless Steel ButtWelded Outlets Pipe Fitting include chemical, petrochemical, oil and gas, power generation, and pharmaceutical. They are also well suited for connection of instruments, because they offer better flow conditions and lower pressure loss. We strive to offer the best quality, service, and value to our customers.



Rexon Pipe Fitting’s Stainless Steel Butt-Welded Weldolet Outlet Pipe Fittings are made of high-quality stainless steel alloy, which has excellent resistance to corrosion, oxidation, and intergranular cracking.



The configuration of the Stainless Steel Butt-Welded Sockolet Outlet Pipe Fitting is such that stress concentration is reduced and that fluid flows smoothly.



The Stainless Steel Butt-Welded Threadolet Outlet Pipe Fitting is a branch connection fitting that is welded onto the run pipe (header pipe) to provide an outlet from the main pipe.

Stainless Steel 321 Butt-Welded Outlet Pipe Fittings Specifications

  • Material: Metallic
  • Color: Varies
  • Joining: Welding
  • Types: Elbows, Tees, Reducers, Caps, Stub Ends
  • Sizes: Varied
  • Standards: ASME B16.9, MSS-SP 75, DIN
  • Pressure Ratings: Application-specific
  • Corrosion Resistance: Yes
  • Installation: Welding
  • Maintenance: Regular

Stainless Steel 321/321h Outlet Pipe Fittings Specifications

Our Stainless Steel Buttwelded Outlet Pipe Fittings are also tested for tensile, hardness, flaring, flattening and hydrostatic to ensure quality and reliability.

Specifications ASTM A182 / ASME SA182
Dimension Standard ANSI/ASME 16.11, MSS SP- 97, BS 3799
Standard Size Range 1/2” to 24”
Manufacturing Type Fabricated / Seamless / Welded / ERW
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D, or Custom
Wall Thickness / Schedule SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS / 3mm – 40mm
End Connection Threaded, Welded, SW, BW
Melting Point 1400-1450°C for (WP321/321h)
Outside Diameter (OD) Seamless / Outlet Fittings ( 1/2” to 24” ), ERW / Welded / Fabricated Outlet Fitting (1/2” to 24”)
Value Added Services Hot Dipped Galvanizing, Electro Polish, Sand Blasting, Epoxy & FBE Coating, Threading, Soldering
Other Standards MSS SP-97, ISO, SNSI, JIS, DIN, GB, DIN2617, JISB2311, JISB2312, JISB2313 / T12459GB / T13401, SH3408, SH3409HG / T21635HG / T21631SY / T05010
Material Test Certificates (MTC) As per EN 10204 3.2 and EN 10204 3.1, Certifying NACE MR0175, NACE MR0103
Manufacturing Specification ASME: ANSI B16.11, DIN: DIN2605, DIN2615, DIN2616, DIN2617, DIN28011, EN: EN10253-1, EN10253-2, MSS SP-97, BS 3799

Buttweld Stainless Steel Outlet Pipe Fitting Physical Property

Our Buttweld Stainless Steel Outlet Pipe Fittings are developed to ensure a strong and lasting connection between pipes.

Property Value
Density (g/cm³) Varies with temperature and alloy composition
Tensile Strength (MPa) Varies with temperature and alloy composition
Yield Strength (MPa) Varies with temperature and alloy composition
Elongation (%) Varies with temperature and alloy composition
Modulus of Elasticity (GPa) Typically 193 - 200 GPa for stainless steel
Poisson's Ratio 0.27 - 0.30 (approximate)
Thermal Conductivity (W/m·K) Typically 16 - 24 W/m·K (varies with grade and temperature)
Specific Heat Capacity (J/g·K) Varies with temperature and alloy composition
Coefficient of Thermal Expansion (CTE) (1/K) Typically 16 - 17 x 10^-6 for stainless steel
Corrosion Resistance Excellent resistance to corrosion
Magnetic Properties Varies by stainless steel grade (some are non-magnetic)
Surface Finish Typically comes with a mill finish or specified surface treatment


321 Buttweld Stainless Steel Outlet Pipe Fitting Chemical Property

Among the chemical properties of our Buttweld Stainless Steel Outlet Pipe Fittings are a high corrosion, oxidation, and intergranular cracking resistance.

Grade C Mn Si P S Cr Mo Ni N
304H min. 0.04 18.0 8.0
max. 0.10 2.0 0.75 0.045 0.030 20.0 10.5

Price List Of SS 321 Outlet pipe Fittings In India

Description Price In INR (Per Piece)
2" X SCH 40 325.00
3" X SCH 40 400.00
4" X SCH 40 600.00
6" X SCH 40 1350.00
8" X SCH 40 2400.00
10" X SCH 40 4500.00

Frequently Asked Questions

What is the difference between long radius and short radius elbow fittings?
It is the long radius elbow fittings that have a longer curvature, thus giving smoother fl ow and minimized pressure drop. Short radius elbow fittings provide a smaller curvature radius and hence compactness but can lead to higher pressure drops.
What is the maximum pressure rating for stainless steel butt-welded elbow pipe fittings?
However, the maximum pressure rating relies on material grade, fitting size and design. It is always necessary to follow the manufacturer’s specifications and standards of industry for these particular pressure ratings.
Can stainless steel butt-welded elbow pipe fittings be used in high-temperature applications?
The answer is yes because stainless steel butt-welded elbow pipe fittings can resist high temperatures. The temperature specifications, however, may be dependent on the material grade and its use. It is therefore important to take into account the temperature restrictions from the manufacturer and refer back to industry standards.
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