321 Stainless Steel Flanges
One Of India’s Largest Manufacturer Of ASTM A182 F321 Flanges, Suppliers of A182 Gr F321H Slip On Flange in India
Wide Stockists of 150 psi Stainless Steel 321 Flanges, Check Welded ASTM A182 Gr F321H Flanges Reasonable Price List, Ask free sample from FNPT SA182 Gr F321 Lap Joint Flanges.
ASTM A182 F321 Flanges are specified by the A182 F321 Material composition. It is a forged steel flange. A182 Grade F321 BLRF is used in high pressure systems where similar ASTM standard pipes and fittings are used. A182 Gr F321 SORF is a raised face flange of the titanium alloy. SS 321 Blind Flange and the similar SS 321 Slip On Flange are both made up of austenitic steel which is stabilized by the addition of titanium. As a result Stainless Steel 321 Flanges have great intergranular corrosion resistance. 321 Stainless Steel Flanges can withstand the chromium carbide precipitation temperature ranges.

ASTM A182 F321 Flanges Manufacturers In India

Stainless Steel 321 Flanges

A182 Gr F321H Slip On Flange
Table of contents
- What Is F321 Material?
- Stainless Steel 321H Flanges Price List In India
- ASTM A182 F321 Specification
- Types Of ASTM A182 F321 Flanges
- ASTM A182 Grade F321 Blind Flanges
- ASTM A182 Gr F321H Figure 8 Flanges
- SA182 Gr F321 Threaded Flanges
- ASME SA182 F321 Socket Weld Flanges
- ASTM A182 Gr F321 Welding Neck Flanges
- 321 Stainless Steel Spade Flanges
- Stainless Steel 321 Plate Flanges
- SS 321 Slip On Flanges
- 321 SS Orifice Flanges
- A182 Grade F321 Spacer Flanges
- ASTM A182 F321 Blank Flanges
- ASTM A182 Gr F321 Blank Flanges Rotatable
- ASTM A182 Grade F321 Swivel Flanges
- ASME SA182 F321 3121H ANSI 150 Flanges
- SA182 Gr F321 Long Weld Neck Flanges
- ASTM A182 Gr F321H Exhuast Flanges
Accept all small/ Large Orders Of ASTM A182 Gr F321 Blind Flanges, largest supplier of small-quantity Forged Flange AISI 321, 720 psi ASTM A182 F321 Pipe Flange Fast delivery, Largest independent stockholder Of ASME B16.5 321 SS Flange.
A182 F321H Flange has higher carbon in its composition. Due to this mixture, the ASTM A182 F321 Flanges is much stronger than the other types. A182 F321H Material is used specifically for applications which can get temperatures up to 816 degrees Celsius. A182 Grade F321H BLRF blind flanges can be either screwed or welded easily due to their low carbon content. SS 321H Blind Flange can be replaced where other not so weldable counterparts are used. A182 Gr F321H SORF is also highly oxidation resistant. For this reason, the SS 321H Slip On Flange can be used in systems where highly oxidative solutions are applied.
What is F321 Material?

In chemical plants and acidic productions, A182 F321 Flange can perform better than other types. Stainless Steel 321H Flanges have high rupture resistance than ordinary 304 alloy made flanges. SS 321H Flanges Price List would have a slightly higher listing than the SS 321 Flanges Price List because of the higher addition of the titanium content in the 321H Stainless Steel Flanges.Applications of this flange include oil and gas industries, equipment of different sorts, food processing industries, paper and pulp industries, cement industry, chemical processing plants, power industrial components, marine and shipwright industries and in various kinds of pipelines.
Stainless Steel 321H Flanges Price List In India
SR NO | QTY | Description | PRICE (USD$) |
1 | 20 | Stainless Steel ASME/ ASTM 182 F321, Flange 3" 300 RF Blind | $45.52 |
2 | 100 | Stainless Steel ASME/ ASTM 182 F321, Flange 4" 150 RF Blind | $40.62 |
3 | 40 | Stainless Steel ASME/ ASTM 182 F321, Flange 4" 600 RF Blind | $128.38 |
4 | 50 | Stainless Steel ASME/ ASTM 182 F321/, Flange 6" 150 RF Blind | $80.18 |
5 | 50 | Stainless Steel ASME/ ASTM 182 F321, Flange 6" 300 RF Slip on | $120.70 |
6 | 20 | Stainless Steel ASME/ ASTM 182 F321, Flange 10" 150 RF Slip on | $133.06 |
7 | 50 | Stainless Steel ASME/ ASTM 182 F321, Flange 12" 150 RF Slip on | $229 |
8 | 100 | Stainless Steel ASME/ ASTM 182 F321, Flange 2" 600 RF Threaded | $58.57 |
9 | 300 | Stainless Steel ASME/ ASTM 182 F321, Flange 3" 150 RF Threaded | $45.50 |
10 | 100 | Stainless Steel ASME/ ASTM 182 F321, Flange 3" 600 RF Threaded | $120.99 |
11 | 32 | Stainless Steel ASME/ ASTM 182 F321, Flange 2" 300 XH RF Weld neck | $49.40 |
12 | 80 | Stainless Steel ASME/ ASTM 182 F321, Flange 2" 600 XH RF Weld neck | $50.80 |
13 | 200 | Stainless Steel ASME/ ASTM 182 F321, Flange 4" 150 STD RF Weld neck | $51.80 |
Please note this is an approx ASTM A182 F321 Flanges Price List in India. For final 321 Stainless Steel Flanges Price List Please Call on 91 - 22 - 67437342 or drop an Email to info@rajtilakmetal.com.
ASTM A182 F321 Specification
ASTM A182 Grade 321 Stainless Steel Flanges | ||
---|---|---|
Grade | SS 321 | |
Stainless Steel 321 Flanges Standard : | ANSI Flange, ASME Flange, BS Flange, DIN Flange, EN Flange ANSI B16.5 ANSI B16.47 ASME B16.5 ASME B16.36 BS4504-3.1 DIN2503 DIN2527 DIN2627 DIN2629 DIN2630-2638 DIN2573 DIN2576 DIN2501 DIN2566 DIN2656 JIS B2220 JIS 5K, 10K, 16K, 20K UNI 2276. UNI 2277. UNI 2278 .UNI 6089 .UNI 6090 AISI B16.36, MSS SP44, API6A, BS 4504, EN1092, UNI 2277/2278, DIN 4504 |
|
ASTM A182 F321 Specification : | ASTM A182 / A240 & ASME SA182 / SA240 | |
A182 F321 Material Dimension : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN | |
Stainless Steel 321 Flanges Class : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 | |
A182 Grade F321 BLRF Size : | 1/2"-100", SCH5S-SCH160S, XS, XXS, STD | |
A182 Gr F321 SORF Test Certificate | EN 10204-3.1, EN 10204-3.2 Under Third Party Inspection |
|
SS 321 Blind Flange Items | ASTM A182 Grade 321 Forged Flange: SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing | |
Stainless Steel 321 Flange: SORF, BLRF, LAP Joint & Spectacle | ||
A182 F321 DIN Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 | |
Type | ASTM A182 F321 Plate Flange, ASTM A182 Gr F321 Flat Flange, ASTM A182 Grade F321 Slip on Flange, ASME SA182 F321 Welding Neck Flange, SA182 Gr F321 Long Welding Neck Flange, ASTM A182 Gr F321H Blind Flange, ASTM A182 F321H Socket Welding Flange, ASTM A182 F321 Thread Flange, ASTM A182 Gr F321 Screwed Flange, ASTM A182 Grade F321 Lap Joint Flange, etc |
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ASTM A182 F321H Flange Connection Type | Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove, Small Tongue, Groove,etc | |
Stainless Steel 321H Flange Pressure | ANSI | Class 150, 300, 600, 900, 1500, 2500lbs |
DIN | PN6, PN10, PN16, PN25, PN40, PN64, PN100 | |
GOST | PN6, PN10, PN16, PN25 | |
EN | PN6, PN10, PN16, PN25, PN40, PN64, PN100 | |
JIS | 1K, 2K, 5K, 10K, 16K, 20K, 30K, 40K | |
BS | PN6, PN10, PN16, PN25, PN40, PN64, PN100 | |
Specialize | As per drawing | |
Package: | Standard export package, by wooden box, or as required | |
321H Stainless Steel Flanges Grades | 310S, 310, 309, 309S, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H, 304, 304L, 302, 301, 201, 202, 405, 410, 420, 430, 904L, Duplex, etc | |
Also as per National & International Standard & Specification, Manufacturers of Stainless Steel 321 Flanges |
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Export to: Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Italy, Iran, India, Egypt, Oman, Dubai, Peru, Mexico, South Africa, Russia, Viet Nam, Nigeria, Chile, etc |
Material | Size (MM) | SCH / Class | Type | Specification | Manufacturing Method |
SS / AS / CS / LTCS Flanges | 15NB to 600NB ANSI Standard B16.5 |
150#, 300#, 900#, 1500#, 2500# | WNRF, SORF, BLRF, SWRF, RING JOINT |
A182 / A105 / A350LF | FORGED |
SS / AS / CS / LTCS Flanges | 650NB to 1500NB ASME / ANSI B16.47 SER.A(API 605) |
Class 75 / 150 / 300 | WNRF, BLRF | A182 / A105 / A350LF | FORGED |
SS / AS / CS / LTCS Flanges | 650NB to 1500NB ASME /ANSI B16.47 SER.A (MSS SP 44) |
Class 150 / 300 / 600 | WNRF, BLRF | A182 / A105 / A350LF | FORGED |
Table 1 *Class B (86 PSI ) *Class D (150 - 175PSI) |
SLIP ON FF, BLIND FF | A182 / A105 / A105 / A350LF | FORGED / PLATE | ||
SS /AS / CS /LTC /Flanges | 1000NB to 3000NB AWWWA C207 Flanges | Table 2 *Class B (86 PSI ) *Class D (150 - 175 PSI) |
SLIP ON FF WITH HUB, BLIND FF | A182 / A105 / A350LF | FORGED |
Table 3 *Class E (275 PSI) |
SLIP ON FF WITH HUB BLIND FF | A182 / A105 / A350LF | FORGED | ||
SS /AS / CS /LTC /Flanges | 10NB to 1500NBJIS & KS Flanges | Class , 5K, 10K, 16K, 20K, 30K | SLIP ON, WELD NECK | A182 / A105 / A350LF | FORGED / PLATE |
SS /AS / CS /LTC /Flanges | 10NB To 1000NB DIN FlANGES | Class 6Bar, 10Bar, 16Bar, 25Bar, 40Bar | SLIP ON , BLIND WELD NECK | A182 / A105 / A350LF | FORGED / PLATE |
SS /AS / CS /LTC /Flanges | 650NB To 900NB BS 3293 Flanges | 150 lb / sq.in, 300 lb / sq.in, 600 lb / sq.in | WELD NECK | A182 / A105 / A350LF | FORGED |
Rajtilak Metal ASTM A182 F321 Flanges manufacturer & 321 Stainless Steel Flanges distributor in India
Types Of ASTM A182 F321 Flanges

ASTM A182 Grade F321 Blind Flanges

ASTM A182 Gr F321H Figure 8 Flanges

SA182 Gr F321 Threaded Flanges

ASME SA182 F321 Socket Weld Flanges

ASTM A182 Gr F321 Welding Neck Flanges

321 Stainless Steel Spade Flanges

Stainless Steel 321 Plate Flanges

SS 321 Slip On Flanges

321 SS Orifice Flanges

A182 Grade F321 Spacer Flanges

ASTM A182 F321 Blank Flanges

ASTM A182 Gr F321 Blank Flanges Rotatable

ASTM A182 Grade F321 Swivel Flanges

ASME SA182 F321 3121H 150 Flanges

SA182 Gr F321 Long Weld Neck Flanges

ASTM A182 Gr F321H Exhuast Flanges
ASTM A182 Grade F321 Dimensions
Nominal Pipe Size | Drilling | Length of Bolts | Approximate Weight in Pounds |
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---|---|---|---|---|---|---|---|---|---|---|---|
Diameter of Bolt Circle |
Number of Bolts | Diameter of Bolts | Diameter of Holes |
Stud Bolts | Machine Bolts 1/16” R.F. | Welding Neck | Slip-on, Threaded | Lap Joint | Blind | ||
1/16” Raised Face | Ring Joint | ||||||||||
1/2 | 2-3/8 | 4 | 1/2 | 5/8 | 2-1/4 | 1-3/4 | 2 | 2 | 2 | 2 | |
3/4 | 2-3/4 | 4 | 1/2 | 5/8 | 2-1/4 | 2 | 2 | 2 | 2 | 2 | |
1 | 3-1/8 | 4 | 1/2 | 5/8 | 2-1/2 | 3 | 2 | 2 | 2 | 2 | 2 |
1-1/4 | 3-1/2 | 4 | 1/2 | 5/8 | 2-1/2 | 3 | 2-1/4 | 4 | 3 | 3 | 3 |
1-1/2 | 3-7/8 | 4 | 1/2 | 5/8 | 2-3/4 | 3-1/4 | 2-1/4 | 5 | 3 | 3 | 4 |
2 | 4-3/4 | 4 | 5/8 | 3/4 | 3 | 3-1/2 | 2-3/4 | 9 | 5 | 5 | 5 |
2-1/2 | 5-1/2 | 4 | 5/8 | 3/4 | 3-1/4 | 3-3/4 | 3 | 11 | 7 | 7 | 7 |
3 | 6 | 4 | 5/8 | 3/4 | 3-1/2 | 4 | 3 | 14 | 8 | 8 | 9 |
3-1/2 | 7 | 8 | 5/8 | 3/4 | 3-1/2 | 4 | 3 | 15 | 11 | 11 | 13 |
4 | 7-1/2 | 8 | 5/8 | 3/4 | 3-1/2 | 4 | 3 | 16 | 13 | 13 | 19 |
5 | 8-1/2 | 8 | 3/4 | 7/8 | 3-3/4 | 4-1/4 | 3-1/4 | 21 | 15 | 15 | 21 |
6 | 9-1/2 | 8 | 3/4 | 7/8 | 3-3/4 | 4-1/4 | 3-1/4 | 25 | 19 | 19 | 28 |
8 | 11-3/4 | 8 | 3/4 | 7/8 | 4 | 4-1/2 | 3-1/2 | 40 | 30 | 30 | 48 |
10 | 14-1/4 | 12 | 7/8 | 1 | 4-1/2 | 5 | 3-3/4 | 56 | 42 | 42 | 70 |
12 | 17 | 12 | 7/8 | 1 | 4-1/2 | 5 | 4 | 86 | 64 | 64 | 105 |
14 | 18-3/4 | 12 | 1 | 1-1/8 | 5 | 5-1/2 | 4-1/4 | 111 | 85 | 99 | 135 |
16 | 21-1/4 | 16 | 1 | 1-1/8 | 5-1/4 | 5-3/4 | 4-1/2 | 141 | 94 | 128 | 176 |
18 | 22-3/4 | 16 | 1-1/8 | 1-1/4 | 5-3/4 | 6-1/4 | 4-3/4 | 153 | 120 | 146 | 214 |
20 | 25 | 20 | 1-1/8 | 1-1/4 | 6 | 6-1/2 | 5-1/4 | 188 | 155 | 185 | 284 |
24 | 29-1/2 | 20 | 1-1/4 | 1-3/8 | 6-3/4 | 7-1/4 | 5-3/4 | 270 | 210 | 260 | 398 |
ASME SA182 F321 Weight Chart
15mm (1/2") F321 Stainless Steel Flange Weight Chart
Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
---|---|---|---|---|---|---|
AS4087 Flange | PN14 Flange | 95 | 67 | 4 | M12 | 14 |
AS 2129 Flange | Table C Flange | 95 | 67 | 4 | 13 | 14 |
Table D Flange | 95 | 67 | 4 | 13 | 14 | |
Table E Flange | 95 | 67 | 4 | 13 | 14 | |
Table F Flange | 95 | 67 | 4 | 13 | 14 | |
Table H Flange | 114 | 83 | 4 | 16 | 17 | |
Table J Flange | 114 | 83 | 4 | 16 | 17 | |
ANSI B16.5 Flange | ANSI 150 Flange | 89 | 60 | 4 | 13 | 16 |
ANSI 300 Flange | 95 | 67 | 4 | 13 | 16 | |
ANSI 600 Flange | 95 | 67 | 4 | 13 | 16 | |
ANSI 900 Flange | 121 | 83 | 4 | 19 | 22 | |
ANSI 1500 Flange | 121 | 83 | 4 | 19 | 22 | |
ISO 7005 (DIN) Flange | PN6 Flange | 80 | 55 | 4 | M10 | 11 |
PN10 Flange | 95 | 65 | 4 | M12 | 14 | |
PN16 Flange | 95 | 65 | 4 | M12 | 14 | |
PN20 Flange | 90 | 60.5 | 4 | M14 | 16 | |
PN25 Flange | 95 | 65 | 4 | M12 | 14 | |
PN40 Flange | 95 | 65 | 4 | M12 | 14 |
SA182 Gr F321 Pressure Ratings
For F321 Stainless Steel Pipe Flanges American National Standard ANSI B16.5
Class | 150 lb. | 300 lb. | 400 lb. | 600 lb. | 900 lb. | 1500 lb. | 2500 lb. |
Pres psig |
450 | 1125 | 1500 | 2225 | 3350 | 5575 | 9275 |
Temp oF | Maximum Allowable Pres psig | ||||||
-20 to 100 | 285 | 740 | 990 | 1480 | 2220 | 3705 | 6170 |
200 | 260 | 675 | 900 | 1350 | 2025 | 3375 | 5625 |
300 | 230 | 655 | 875 | 1315 | 1970 | 3280 | 5470 |
400 | 200 | 635 | 845 | 1270 | 1900 | 3170 | 5280 |
500 | 170 | 600 | 800 | 1200 | 1795 | 2995 | 4990 |
600 | 140 | 550 | 730 | 1095 | 1640 | 2735 | 4560 |
650 | 125 | 535 | 715 | 1075 | 1610 | 2685 | 4475 |
700 | 110 | 535 | 710 | 1065 | 1600 | 2665 | 4440 |
750 | 95 | 505 | 670 | 1010 | 1510 | 2520 | 4200 |
800 | 80 | 410 | 550 | 825 | 1235 | 2060 | 3430 |
850 | 65 | 270 | 355 | 535 | 805 | 1340 | 2230 |
900 | 50 | 170 | 230 | 345 | 515 | 860 | 1430 |
950 | 35 | 105 | 140 | 205 | 310 | 515 | 860 |
1000 | 20 | 50 | 70 | 105 | 155 | 260 | 430 |
NOTES:
- For service temperatures above 850 F it is recommended that killed steels containing not less than 0.10% residual silicon be used.
- The material shall not be used in thickness above 2-1/2 in.
- Upon prolonged exposure to temperatures above 800 F, the carbide phase of carbon steel may be converted to graphite.
A182 F321 Chemical Composition
SS 321 |
|
---|---|
Ni | 9 – 12 |
Cr | 17 – 19 |
C | 0.08 max |
N | 0.10 max |
Fe | Balance |
Mn | 2 max |
Si | 0.75 max |
S | 0.03 max |
P | 0.045 max |
Ti | 5xC min 0.60% max |
ASTM A182 F321 Mechanical Properties
The mechanical properties of grade ASTM A182 F321 Flange are displayed in the following table.
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 | 515 | 205 | 40 | 95 | 217 |
321H also has a requirement for a grain size of ASTM No 7 or coarser. |
ASTM A182 F321 Flange Physical Properties
Physical properties of ASTM A182 F321 grade stainless steel in the annealed condition
Grade | 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) | |||
0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
A182 F321 Equivalent
Stainless Steel SS 321 | |
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AISI | 321 |
UNS | S32100 |
Werkstoff Nr. | 1.4541 |
A182 F321 Hardness
Rajtilak Metal is manufacturer of ASTM A182 F321 Flanges, forged, ASTM A182 Grade F321 (certified and dual marked), ASME B16.5, fully machined and annealed, smooth finish, raised face (125-250 RMS / 3.2-6.3µM) to MSS-SP6, 321 Stainless Steel Flanges hardness as per NACE MR0175 and tested to ASTM A262 E and PMI.