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AISI 321/21H Stainless Steel ButtWelded Equal Tee Pipe Fitting

Introducing Rexon, your source for top-quality AISI 321/321H Stainless Steel ButtWelded Equal Tee Pipe Fittings. Crafted for peak performance in demanding industrial settings, these fittings offer exceptional corrosion resistance and high-temperature stability. Available in various sizes and configurations, Rexon delivers precision engineering, competitive pricing, and on-time delivery. Trust us for excellence in every connection, even in challenging conditions.

AISI 321/21H Stainless Steel ButtWelded Equal Tee Pipe Fitting

Types of AISI 321 Stainless Steel ButtWelded Equal Tee Pipe

Rexon Pipe Fittings is a leading brand in manufacturing AISI 321 Stainless Steel ButtWelded Equal Tee pipe fittings. The company manufactures a wide range of butt-welded fittings and flanges that are used for oil and gas pipelines. These fittings are manufactured out of premium stainless steel that has high pressure and temperature endurance. The company also provides custom fittings based on the customer’s requirements.

Standard Equal Tee

Standard Equal Tee

The Standard Equal Tee is a tee fittings used to join three pipes with equal diameters. This method is a very simple and convenient way of joining three pipes together. This tee is widely used for plumbing and heating, in addition to industrial systems. It comes in different sizes as well as different materials, which are stainless steel, carbon steel and alloy steel.

Reducing Equal Tee

Reducing Equal Tee

Reducing Equal Tee is a special type of tee fitting that joins three pipes with different diameters. It is intended to yield a throttling of the flow in one pipe while preserving uniform flows through two other pipelines. This kind of tee is widely used in plumbing as well as heating systems, and also industries. You can find it in different sizes and materials such as stainless steel, carbon steel or alloyed.

Barred Tee

Barred Tee

A Barred Tee is a tee fitting that is based on a normal tee (can be either an equal tee or a reducing tee). At a later stage, bar plates are added inside the branch outlet to restrict the PIG (pipeline PIGGING) from flowing from the header pipe into the branch pipes.

Stainless Steel 321 Butt-Welded Equal Tee 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

AISI 321/321H Butt-welded Stainless Steel Tee Specifications

The availability of stainless steel butt-welded tees makes them an important part of different industries as they are used to change the direction of flows, branching and adjustment in pipe diameters. The corrosion resistance, resilience and sustainability associated with them make the heavy applications such as oil & gas industry, chemical industry, pharmaceutical sector food and beverage processing unit and water treatment very convenient to manage.

Specification Description
Material Grade 321 (UNS S32100) and 321H (UNS S32109) stainless steel
Size Range Specified in nominal pipe sizes (NPS) or millimeters
Wall Thickness Conforms to the appropriate standard (e.g., ASME B16.9) - Specified in schedule numbers or millimeters
Manufacturing Standards Conforms to recognized standards, e.g., ASME B16.9 (for stainless steel fittings)
Pressure Rating Varies with material, wall thickness, and size - Typically designated by class numbers (e.g., Class 150, Class 300)
End Connections Beveled ends for welding - Bevel angle typically 37.5 degrees
Surface Finish Exterior and interior surfaces free from defects - Welds properly formed and inspected
Heat Treatment Post-weld heat treatment (PWHT) may be necessary for certain applications
Testing and Inspection Visual inspection, dimensional checks, non-destructive testing (e.g., radiographic, ultrasonic) - Material testing (e.g., PMI)
Marking Clearly marked with size, material grade, manufacturer's name/logo, and relevant standards
Certification Manufacturer provides material certificates, test reports, and other documentation to confirm compliance with specifications and standards

AISI 321/321H Buttwelded Equal Pipe Fitting Physical Property

Equal Tee Buttweld Pipe Fittings in High-Quality Stainless Steel made are key elements to various industries for example those that use oil and gas, chemicals pharmaceutical foodstuffs beverages as well as water treatment. These end-fitting enhance the corrosion resistant strength and sustainability. These fittings vary according to the physical attributes due to their grade of stainless steel.

Material Rockwell Hardness (HRC) Range
Carbon Steel (ASTM A234) 65-78 HRC
Stainless Steel (ASTM A403) 70-95 HRC (varies by grade)
Alloy Steel (ASTM A234) 70-85 HRC (varies by alloy)
Brass 40-80 HRC (varies by alloy)
Copper 45-99 HRC (varies by alloy)
PVC (Plastic) Not applicable (non-metallic)
Cast Iron 130-235 HRC (varies by grade)
Titanium 70-36 HRC (varies by alloy)
Aluminum 15-120 HRC (varies by alloy)
Inconel 70-47 HRC (varies by alloy)
Monel 70-31 HRC (varies by alloy)


321/321H Stainless Steel Buttweld Tee Pipe Fitting Chemical Property

The principal industries that depend on Buttweld Tee Fittings fabricated from Stainless Steel are oil and gas, chemicals pharmaceuticals food and beverages as well as the field of water treatment. These are corrosion resistant, high strength and long lasting stainless steel fittings.

Element 347 Stainless Steel (%) 347H Stainless Steel (%)
Carbon (C) 0.08 max 0.04 - 0.10
Chromium (Cr) 17.0 - 19.0 17.0 - 19.0
Nickel (Ni) 9.0 - 13.0 9.0 - 13.0
Manganese (Mn) 2.0 max 2.0 max
Silicon (Si) 0.75 max 0.75 max
Phosphorus (P) 0.045 max 0.045 max
Sulfur (S) 0.03 max 0.03 max
Molybdenum (Mo) 0.75 max 0.75 max
Iron (Fe) Balance Balance

Price List Of SS 321 Elbow Tee 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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