What are Stainless Steel 321 Flanges?
Stainless Steel 321 flanges are composed of an alloy of chromium, nickel, and molybdenum. These alloys are corrosion-resistant, strong, and austenitic. Shribhairav Metal is one of the leading manufacturers and suppliers of these flanges. It offers a wide variety of sizes, styles, and types. Stainless Steel 321 Flanges are used in various industrial applications. They are resistant to corrosion, as well as carbide precipitation. They are used in the connection of pipes transporting various chemical media. These flanges are available in a variety of states. Moreover, they can be used for different types of installations. Stainless Steel 321 Flanges and SS 321 Flanges are available in different sizes and shapes. They are ideal for applications in harsh environments. They come in various standards and grades. The materials are made from the best quality raw materials. They are also available in customized weights and sizes.
Stockist of Stainless Steel 321 Slip On Flanges, Stainless Steel 321 Flanges, SS UNS S32100 Pipe Flanges, SS F321 Flange, SS 321 Blind Flanges Dealer in India, Global Supplier of SS 321 Weld Neck Flange, ANSI B16.5 SS 321 Orifice Flanges, BS10 Table D, Table E, DIN Standard Flanges.
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One of the primary advantages of the 321 SS Flanges is their ease of maintenance. These flanges are durable and maintain their appearance over time, resisting staining and tarnishing. This attribute, combined with their resistance to various chemicals and acids, makes them an economically sound investment in the long run. SS UNS S32100 Flanges are designed to withstand the test of time, reducing the need for frequent replacements and lowering overall costs.
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At Shribhairav Metal Corporation, we understand that each industry has unique requirements. Therefore, our F321 Stainless Steel Flanges are available in various sizes and specifications to suit various applications. Our range includes Weld Neck Flanges, Slip-On Flanges , Blind Flanges, and Threaded Flanges, among others. Each type is designed to cater to specific functionalities and installation needs, ensuring you find the perfect match for your piping system. Other grades of flanges are also available, such as SS 321 Flanges, SS 321 Flanges, etc.
Standard Specification For Stainless Steel ASTM A182 321 Industrial Flanges
Specifications : ASTM A182 / A240 & ASME SA182 / SA240
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
ASTM A182 F321 Stainless Steel Pipe Flanges
Forged and Plate Flanges
| Products | Size | |
| ASTM A182 ss 321 Slip-On Flanges | ASTM A182 ss 321 Threaded Flanges | Sizes 1/8″ – 36″ Raised Face or Flat Face |
| ASTM A182 ss 321 Weld Neck Flanges | ASTM A182 ss 321 Socket Weld Flanges | |
| ASTM A182 ss 321 Blind Flanges | ASTM A182 ss 321 Reducing Flanges | |
| ASTM A182 ss 321 Lap Joint Flanges | ASTM A182 ss 321 Plate Flanges | |
| ASTM A182 ss 321 Orifice Flanges | ASTM A182 ss 321 Forged Flanges | |
| ASTM A182 ss 321 Ring Type Joint Flanges | ASTM A182 ss 321 Square Flanges | |
ss 321 Flange Standards / Types And Pressure Class :
| ASME/ANSI B 16.5 | Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Welding Neck Flange, Blind Flange [Series A & B] |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Welding Neck Flange, Slip on Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
ASME SA182 321 Stainless Steel Flanges Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 321 | 1.4401 / 1.4436 | S32100 | SUS 321 | 321S31 / 321S33 | - | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
Types Of Grade 321 Stainless Steel Flanges
Chemical Composition of Grade F321 Stainless Steel Pipe Flanges
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 - 18.00 | 2.00 - 3.00 | 11.00 - 14.00 | 67.845 min |
Mechanical Properties of ASTM A182 SS 321 Plate Flanges
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
SS 321 Flanges Weight Chart
15mm (1/2") Stainless Steel 321 Flanges Weight Chart
|
Pipe Normal Diam.
|
O.D. Flange
|
Thk. Of Flange Min
|
Diam.
of Hub |
Diameter of Raised Face
|
Length Hub.Y
|
Thread Length
|
Diam.
of Bolt Circle |
Diam.
of Bolt Holes |
Number
of Bolts |
Diam. of
Bolts (inch) |
KG
|
LB
|
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
inch
|
dn
|
O
|
C
|
X
|
G
|
Y
|
T
|
BC
|
BH
|
BN
|
BD
|
||
|
1/2"
|
15
|
89.00
|
11.20
|
30.20
|
35.10
|
15.70
|
15.70
|
60.50
|
15.80
|
4
|
1/2"
|
0.4
|
0.9
|
|
3/4"
|
20
|
98.50
|
12.70
|
38.10
|
42.90
|
15.70
|
15.70
|
69.90
|
15.80
|
4
|
1/2"
|
0.7
|
1.5
|
|
1"
|
25
|
108.00
|
14.20
|
49.30
|
50.80
|
17.50
|
17.50
|
79.30
|
15.80
|
4
|
1/2"
|
0.8
|
1.8
|
|
1-1/4"
|
32
|
117.50
|
15.70
|
58.70
|
63.50
|
20.60
|
20.60
|
88.90
|
15.80
|
4
|
1/2"
|
1.2
|
2.6
|
|
1-1/2"
|
40
|
127.00
|
17.50
|
65.00
|
73.20
|
22.40
|
22.40
|
98.60
|
15.80
|
4
|
1/2"
|
1.5
|
3.3
|
|
2"
|
50
|
152.50
|
19.10
|
77.70
|
91.90
|
25.40
|
25.40
|
120.70
|
19.10
|
4
|
5/8"
|
2.3
|
5.1
|
|
2-1/2"
|
65
|
178.00
|
22.40
|
90.40
|
104.60
|
28.40
|
28.40
|
139.70
|
19.10
|
4
|
5/8"
|
3.7
|
8.1
|
|
3"
|
80
|
190.50
|
23.90
|
108.00
|
127.00
|
30.20
|
30.20
|
152.40
|
19.10
|
4
|
5/8"
|
4.1
|
9
|
|
3-1/2"
|
90
|
216.00
|
23.90
|
122.20
|
139.70
|
31.80
|
31.80
|
177.80
|
19.10
|
8
|
5/8"
|
5.1
|
11.2
|
|
4"
|
100
|
228.50
|
23.90
|
134.90
|
157.20
|
33.30
|
33.30
|
190.50
|
19.10
|
8
|
5/8"
|
5.9
|
13
|
|
5"
|
125
|
254.00
|
23.90
|
163.60
|
185.70
|
36.60
|
36.60
|
215.90
|
22.40
|
8
|
3/4"
|
7
|
15.4
|
|
6"
|
150
|
279.50
|
25.40
|
192.00
|
215.90
|
39.60
|
39.60
|
241.30
|
22.40
|
8
|
3/4"
|
8.4
|
18.5
|
|
8"
|
200
|
343.00
|
28.40
|
246.10
|
269.70
|
44.50
|
44.50
|
298.50
|
22.40
|
8
|
3/4"
|
13
|
28.6
|
|
10"
|
250
|
406.50
|
30.20
|
321.80
|
323.90
|
49.30
|
49.30
|
362.00
|
25.40
|
12
|
7/8"
|
18
|
39.5
|
|
12"
|
300
|
482.50
|
31.80
|
365.30
|
381.00
|
55.60
|
55.60
|
431.80
|
25.40
|
12
|
7/8"
|
29
|
64
|
|
14"
|
350
|
533.50
|
35.10
|
400.10
|
412.80
|
57.20
|
57.20
|
476.30
|
28.50
|
12
|
1"
|
39
|
86
|
|
16"
|
400
|
597.00
|
36.60
|
457.20
|
469.90
|
63.50
|
63.50
|
539.80
|
28.50
|
16
|
1"
|
47
|
103
|
|
18"
|
450
|
635.00
|
39.60
|
505.00
|
533.40
|
68.30
|
68.30
|
577.90
|
31.80
|
16
|
1 1/8"
|
57
|
126
|
|
20"
|
500
|
698.50
|
42.90
|
558.80
|
584.20
|
73.20
|
73.20
|
635.00
|
31.80
|
20
|
1 1/8"
|
76
|
167
|
|
24"
|
600
|
813.00
|
47.80
|
663.40
|
692.20
|
82.60
|
82.60
|
749.30
|
35.10
|
20
|
1 1/4"
|
97
|
214
|
Stainless Steel 321 Flanges Other Types
|
DIN 1.4401 Stainless Steel SAE Flanges
|
Stainless Steel 321 BLRF Flanges
|
|
SS 321 Screwed Flanges Exporter
|
BS 304S11 Reducing Flanges Wholesaler
|
|
AISI 321 Flanges
|
ASTM A182 Stainless Steel 321 Exhaust Flanges
|
|
Stainless Steel UNS S32100 Puddle Flanges
|
321 Stainless Steel EN 1092-1 Flanges
|
|
A182 F321 SS RTJ Flanges
|
SUS 321 Split Flanges Stockist
|
|
Stainless Steel 321 Flanges Manufacturer
|
ASME SA182 Stainless Steel 321 Tank Flanges
|
|
321 SS SORF Flanges
|
321 Stainless Steel WNRF Flanges Supplier
|
A182 Gr 321 Stainless Steel flange pressure rating
| ASA / ANSI /ASME B16.34 | ANSI PRESSURE RATING CHART | ||||||
|---|---|---|---|---|---|---|---|
| °F Temperature | 150 LBS | 300 LBS | 400 LBS | 600 LBS | 900 LBS | 1500 LBS | 2500 LBS |
| -20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
| 200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
| 300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
| 400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
| 500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
| 600 | 140 | 435 | 580 | 875 | 1321 | 2185 | 3640 |
| 650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
| 700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
| 750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
| 800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
| 850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
| 900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
| 950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
| 1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
| 1050 | 20 | 321 | 410 | 615 | 925 | 1545 | 2570 |
| 1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
| 1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
| 1200 | 20 | 155 | 205 | 321 | 465 | 770 | 1285 |
| 1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
| 1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
| 1350 | 20 | 60 | 80 | 125 | 185 | 321 | 515 |
| 1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
| 1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
| 1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
ASTM A182 F321 Stainless Steel Flanges Available Types
| Stainless Steel 321 Flanges | Stainless Steel 321 EN 1092-1 Flanges |
| Stainless Steel 321 BS 4504 Flanges | Stainless Steel 321 Forged Flanges |
| Stainless Steel UNS S32100 Flanges | Stainless Steel 321 Slip on Flanges |
| ss 321 Flat Flange Suppliers | ANSI 321 Stainless Steel Blind Flange |
| ss 321 Weld Neck Flanges Dealer | ss 321 Socket weld Flanges Exporter |
| ss 321 Long Weld Neck Flanges Stockholder | Steel 321 Threaded Flanges Distributors |
| Stainless Steel SUS 321 Reducing Flanges | ss 321 Ring Type Joint Flanges Manufacturer |
| Stainless Steel DIN 1.4301 Orifice Flange | Stainless Steel BS 321S31 Spectacle Blind Flanges |
| Stainless Steel 321 WNRF Flange | Stainless 321 SORF Flanges |
| ANSI B16.5 ss 321 RTJ Flanges | ss 321 Screwed Flanges Stockist |
| ASTM A182 ss 321 Lap Joint Flanges | ASME SA182 ss 321 BLRF Flange |
| Stainless Steel 321 Raised Face Flanges | 321 SS Nipoflange |
| A182 ss 321 Square Flanges | ASME SA182M ss 321 SWRF Flange |
| Steel 321 Tongue & Groove Flanges | ss 321 Male & Female Flanges |
| Stainless Steel 321 DIN Flanges | ss 321 ASME B16.5 Flanges |
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Stainless Steel 321 AISI, ASME, DIN, BS, EN Flanges Application
Refineries
Oil and Gas Industry
Power Generation
Pharmaceutical Equipment
Pulp & Paper Industry
