Manufacturer of Stainless Steel 321 Buttweld Fitting

BAHUBALI Alloys have extensive variety of Stainless Steel 321 Buttweld Fittings that we give to our profitable customers are accessible in a few sorts, for example, elbow, lessening elbow, reducer, tee, crosses and so on. These are broadly utilized as a part of different sorts of fittings. These are generally refreshing for a few components, for example, SS evaluation of crude material, consumption resistance and superb mechanical properties.

We make a complete line of brilliant quality Stainless Steel 321 Butt weld Fittings a great deal in limited ability to focus time. An evaluation of stainless steel, 321 steel is the most broadly utilized steel on the grounds that it's anything but difficult to weld and work. Bahubali Alloys offers a complete scope of stainless steel 321 funnel fittings, for example, SS 321 reducer, SS 321 elbow, SS 321 tee, SS 321 cross, SS 321 stub closes and SS 321 pipe twists. Stainless Steel 321 Pipe Fittings that are accessible in different sorts and an extensive variety of sizes.


Table 1. Composition ranges for 321 Stainless Steel Buttweld Fitting

Grade C Mn Si P S Cr Mo Ni N Other
321 min.
2.00 0.75 0.045 0.030 17.0
- 9.0
0.10 Ti=5(C+N)

Table 2. Mechanical properties of 321 Stainless Steel Buttweld Fitting

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
321 515 205 40 95 217
321H also has a requirement for a grain size of ASTM No 7 or coarser.

Table 3. Physical properties of 321 Stainless Steel Buttweld Fitting in the annealed condition

Density (kg/m3)
Elastic Modulus (GPa)
Mean Coefficient of Thermal Expansion (μm/m/°C)
Thermal Conductivity (W/m.K)
Specific Heat 0-100°C (J/kg.K)
Electrical Resistivity (nΩ.m)
at 100°C
at 500°C

Table 4. Grade specifications for 321 Stainless Steel Buttweld Fitting

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
321 S32100 321S31 58B, 58C 1.4541 X6CrNiTi18-10 2337 SUS 321
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Table 5. Standard specifications for 321 Stainless Steel Buttweld Fitting

Designation ASTM A403, ASME SA403
Size Seamless 1/2" to 24" , Welded 1/2" to 24", Two Joint / Two Halve Fittings 6" to 48"
Schedules 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS
Wall Thickness Sch. 5S To Sch. XXS
Type Seamless / Welded / Fabricated
Grade ASTM A403 WP 321

Types of 321 Stainless Steel Buttweld Fittings

   SS 321 Short & Long Stub Ends
   SS 321 Seamless Buttweld Pipe Fittings
   SS 321 Piggable Bends
   SS 321 Pipe End Caps
   SS 321 Split Tees
   SS 321 Welded Buttweld Pipe Fittings

   SS 321 90 & 45 Deg Elbows
   SS 321 Equal & Unequal Cross
   SS 321 Long & Short Radius Elbows
   SS 321 Equal & Unequal Tees
   SS 321 Concentric & Eccentric Reducer
   SS 321 Bends

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