standard and customised sizes in such a way that one can select accordingly. We also design and manufacture these Stainless Steel 321 pipe fittings in different specifications and designs as per needs of our customers. Our range of Stainless Steel 321H pipe fittings has gained immense appreciation for its easy installation, corrosion resistance and enhanced durability.
SS 321 pipe fittings & SS 321H pipe fittings find extensive application high temperature steam service in chemical, oil & gas industry, refinery industry. Our products range of Stainless Steel 321/321h pipe fittings is known for its excellent performance. Stainless Steel 321 pipe fittings & SS 321H pipe fittings are perfect in deigning & tested on quality parameters.
Size | : | 1/8” NB TO 48” NB. |
Standards | : | ASTM A182 / A403 & ASME SA182 / SA403 |
Dimension | : | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
Thickness | : | SCH: 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS, Custom Thickness. |
Type | : | Seamless, Welded & Fabricated |
Grade | : | Stainless Steel 321/321H Butt weld Pipe Fittings |
STANDARD | UNS | WERKSTOFF NR. |
SS 321 | S32100 | 1.4541 |
SS 321H | S32109 | 1.4878 |
% | Cr | Ni | C | Si | Mn | P | S | N | Ti | Fe |
321 | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
max:0.08 | max:0.75 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
321H | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
min:0.04 max:0.10 |
min:18.0 max:20.0 |
max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
Grade | Tensile Strength ksi (min.) |
Yield Strength 0.2% Offset ksi (min.) |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
321 | 75 | 30 | 40 | 217 |
SS 321 Long Stubend / Short Stubend | Stainless Steel 321H Seamless Elbow |
Stainless Steel 321 Pipe Cap / End Cap | SS 321H 180° Returns Elbows |
Stainless Steel 321 Collar / Reducing Outlet Tee | Stainless Steel 321H Reducing Cross / Equal Cross |
SS 321 Pipe Nipple / Barrel Nipple | Stainless Steel 321H Welded Elbow |
SS 321 1D, 1.5D, 3D, 5D, Elbow | SS 321H Pipe Fittings |
Stainless Steel 321 Equal Tee / Unequal Tee | Stainless Steel 321H Lap Joint Stub End |
SS 321 Piggable Bend / Pipe Bends | Steel 321 Seamless Fittings |
Stainless 321H Butt weld Pipe Fittings | SS 321 Welded Fittings |
SS 321 45°, 90°, 180° Long Radius Elbow | Stainless 321H Crosses, Tees |
SS 321 45°, 90°, 180° Short Radius Elbow | SS Seamless 321 Elbow |
Steel 321 Eccentric Reducer | Steel Welded 321 Tees |
Steel 321 Lateral Tee / Straight Tee | SS 321 Seamless & Welded Reducers |
SS 321 Long Radius Bend | SS 321 Reducing Nipple / Swedge Nipple |
SS 321 Concentric Reducer | SS 321 Welded Elbow |