Manufacturer of Stainless Steel 321H Flanges

BAHUBALI Alloys Alloys are Manufacturers, Supplier and Exporters of Stainless Steel 321H Flanges that is Fabricated From High Quality Raw Materials. Stainless Steel 321H Flanges are essentially utilized for changing the course of fluid material. We give extensive variety of SS 321H flanges that are outlined according to the global benchmarks of ASTM, ASME, API, AISI, BS, ANSI, DIN, JIS, MSSP and NACE. SS 321 Flanges are Available in various evaluations and sizes, shapes.

These stainless steel flanges are balanced out against carbide precipitation and intended for operation inside of the harming temperature range where carbide precipitation creates. In this kind of steel, the carbon joins specially with titanium to frame a safe titanium carbide, departing the chromium in arrangement or keep up full consumption resistance. Sort 321h is fundamental sort 304 changed by including titanium in a sum no less than 5 times the carbon in addition to nitrogen substance.


Table 1. Composition ranges for 321H Stainless Steel Flanges

Grade C Mn Si P S Cr Mo Ni N Other
321H min.
2.00 0.75 0.045 0.030 17.0
- 9.0
- Ti=4(C+N)

Table 2. Mechanical properties of 321H Stainless Steel Flanges

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
321H 515 205 40 95 217

Table 3. Physical properties of 321H Stainless Steel Flanges

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 321H Stainless Steel Flanges

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
321H S32109 321S51 - 1.4878 X10CrNiTi18-10 - SUS 321H
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 321H Stainless Steel Flanges

Designation A 182 / A 240, SA 182 / SA 240
Class 150#, 300#, 400#, 625#, 900#, 1500# & 2500#
Size 1/2" NB TO 48" NB
Standards ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings, ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc.
Grade A 182 321H

Types of 321H Stainless Steel Flanges

   SS 321H Expander Flanges
   Stainless Steel 321H Weldo / Nipo Flanges
   SS 321H WNRF Flanges
   Stainless Steel 321H Ring Type Joint Flanges
   SS 321H Weld Neck Flanges Series A or B
   Stainless Steel 321H Spades Ring Spacers Flanges
   SS 321H Threaded Flanges
   Stainless Steel 321H Long Neck Weld Flanges
   Stainless Steel 321H Groove & Tongue Flanges
   SS 321H SWRF Flanges
   Stainless Steel 321H SORF Flanges
   SS 321H Flat Flanges

   Stainless Steel 321H Forged Flanges
   SS 321H High Hub Blinds Flanges
   Stainless Steel 321H Blind Flanges
   SS 321H Spectacle Blinds Flanges
   Stainless Steel 321H Reducing Flanges
   SS 321H Loose Flanges
   SS 321H Orifice Flanges
   Stainless Steel 321H RTJ Flanges
   SS 321H Socket Weld Flanges
   Stainless Steel 321H Screwed Flanges
   SS 321H Slip On Flanges
   Stainless Steel 321H Weld Neck Flanges
   Stainless Steel 321H Flange Facing Type & Finish
   SS 321H Lapped Joint Flanges
   SS 321H Square Flanges

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