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Stainless Steel 321 Flanges

Huge Inventory of SS 321 Blind Flange, view Stainless Steel F321 Forged Flange Dimension

Stainless Steel 321 Flanges are made up of a chromium nickel alloy that is stabilized with titanium. The material comprises of 17% chromium, 9% nickel, carbon, silicon, manganese, phosphorus, sulfur, nitrogen, titanium and iron in the composition.

SS 321 Plate Flange available for order, Buy ANSI B16.5 SS 321 Slip On Flanges, SS GOST 08Х18Н10 Socket Weld Flanges at lowest possible price

Navstar Steel is a leading manufacturer and supplier of the Stainless Steel 321 Flanges in different scales, shapes and standards. The material is strong with 30ksi yield strength and 75ksi minimum tensile strength. The material is hard with the Brinell hardness score of 217. The dimensions of the flanges range with different standards. There are ANSI, B, ASA, and APA standards and the nominal bore sizes range from ½ inches to 48 inches. The SS 321 Blind Flange is one type of special flange that is used to close a pipe.


The blind flanges can come in different modifications as well. The material has high pressure capacities ranging from 150 through 2500 classes. The Stainless Steel F321 Forged Flange is forged in production and is used in high temperature services. The material has higher corrosion resistance than the 304, 316 and 310 grades of steel. The SS UNS S32100 Pipe Flanges are used in petrochemical, food processing, sea water, marine and other structural applications as well. We supply the flanges in various scales and types. Please contact us for more information on the different types of flanges such as the ANSI B16.5 SS 321 Slip On Flanges and the pricing information.

Material Specification Chart of SS 321 Blind Flange

Specifications List ASTM A182 / ASME SA182
Class / Pressure Rating 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Size Chart 1/2″ (15 NB) to 48″ (1200NB)
ASTM Standards
ANSI/ASME B16.5, B16.48, BS4504, B 16.47 Series A & B, BS 10, EN-1092, DIN, etc.
Standard Flange ANSI, ASME, BS, DIN, EN etc.

SS Grade F321 WNRF Flanges, #150 ANSI SS UNS S32100 Pipe Flanges, Check ANSI B16.5 SS F321 Screwed Flanges Pressure Rating

Stainless Steel F321 Forged Flange Sizes In Mm

Nominal Pipe Size Outside Diameter of Flange Thickness of Flange Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter or Bore Diameter of Hub at Bevel Radius of Fillet Depth of Socket
Welding Neck Slip-On Threaded Socket Lap Joint Slip-on Socket Lap Joint
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Composition Chart of SS 321 Plate Flange

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 0.10 max 9.00 - 12.00 5(C+N) – 0.70 max

SS 321 Slip On Flanges Mechanical Properties Chart

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Various Types Of SS UNS S32100 Socket Weld Flanges

SS 321 Flange1

astm a182 300# f321 stainless steel forged ff plate flat flange

SS 321 Flange2

stainless steel ss 321 pipe flange

SS 321 Flange3

ASME B16.47 A182 F321 stainless steel backing ring flange

SS 321 Flange4

321 Forged Stainless Steel Flange

SS 321 Flange5

ANSI B16.5 Standard Stainless Steel 321 Forged Pipe Flanges From Class 150 to 2500

SS 321 Flange6

Threaded Stainless Steel Flange 321

SS 321 Flange7

aisi 321 RL RF Forged Stainless Steel Plate Flanges

SS 321 Flange8

Flanges Stainless Steel ANSI 321

SS 321 Flange9

Stainless Steel 1.4541 Flange

SS 321 Flange10

JIS SUS 321 Reducing Weld Neck Flange

SS 321 Flange11

321 Stainless steel flange, socket weld 150# 3000# 6000# slip on/weld neck/plate flange/blind flange

SS 321 Flange12

321 ss Reducing Weld Neck Flange

SS Grade F321 WNRF Flanges Equivalent Material Grade

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10

Thickness Chart Of SS UNS S32100 Pipe Flanges

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 30.20 304.80 323.90 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
OD 2 1/2'' Class 150 SS DIN 1.4541 Spectacle Blind Flanges, SS UNS S32100 Ring Type Joint Flanges Weight chart, 321 stainless steel Flanges.

ASTM A182 SS F321 Industrial Flanges Dimensions Standar

Dimensions: ANSI/ASME B16.5, B16.28, MSS-SP-43.

Standard Class Diameter Bolt Circle Diameter Number of Bolts Bolt Size Diameter of Bolt Hole
AS4087 PN14 95 67 4 M12 14
AS 2129 Flange Table C 95 67 4 13 14
Table D 95 67 4 13 14
Table E 95 67 4 13 14
Table F 95 67 4 13 14
Table H 114 83 4 16 17
Table J 114 83 4 16 17
ANSI B16.5 ANSI 150 89 60 4 13 16
ANSI 300 95 67 4 13 16
ANSI 600 95 67 4 13 16
ANSI 900 121 83 4 19 22
ANSI 1500 121 83 4 19 22
ISO 7005 (DIN) Flange PN6 80 55 4 M10 11
PN10 95 65 4 M12 14
PN16 95 65 4 M12 14
PN20 90 60.5 4 M14 16
PN25 95 65 4 M12 14
PN40 95 65 4 M12 14
Cheap Price Wholesale 321 Stainless Steel Weld Neck Flange, Stainless steel 321 Lap Joint Flange, Din pn16 Stainless Steel DIN 1.4878 Threaded Flanges

ANSI B16.5 SS F321 Screwed Flanges Prices

ASTM A182 Grade F321 Pipe Flange Price Per Piece in India ASTM A182 Gr F321 Flange Price in INR ASTM A182 Gr F321 Flange Price in UAE Dirham
Stainless Steel ASTM A182 F321 Blind Flanges Price List Rs. 1272.15 UAE Dirham 66.11
321 Stainless Steel Flanges Prices Rs. 1766.88 UAE Dirham 91.82
ASTM A182 Gr F321 Flanges Price in India Rs. 1554.85 UAE Dirham 80.80
ASTM A182 Gr F321H Flanges Cost in Mumbai Rs. 989.45 UAE Dirham 51.42
Cost of ASTM A182 321 SS Flanges in Mumbai Rs. 1342.83 UAE Dirham 69.78

Huge Stock of 321 Stainless Steel Flanges

ASTM A182 Grade F321 Pipe Flange ASTM A182 F321 Flange
ASTM A182 Gr F321 Plate Flange Stainless Steel F321H Slip On Flanges
SA182 F321 Screwed Flanges ASTM A182 Grade F321 Lap Joint Flanges
A182 F321 Expander Flanges ASTM A182 321 Stainless Steel High Hub Blind Flanges
ASTM A182 Grade F321 Weld Neck Flanges A / B Stainless Steel ASTM A182 F321 Forged Flanges
ASTM A182 F321 Forging Facing Flanges Stainless Steel ASTM A182 F321 BLRF Flange
SA182 F321 SORF Flange ASTM A182 F321 Stainless Steel RTJ Flange
Stainless Steel 321H WNRF Flange ASTM A182 Gr F321 SWRF Flange
ASTM A182 F321 Plate Flange Stainless Steel ASTM A182 F321 Slip On Flanges
SS F321H Long Weld Neck Flanges Stainless Steel ASTM A182 F321 Spectacle Blind Flanges
SS 321H Expander Flange ASTM A182 Gr F321H Ring Type Joint Flange
ASTM A182 F321 Tongue & Groove Flanges SA182 F321 Reducing Flanges
Stainless Steel 321H Orifice Flanges ASTM A182 Gr F321H Flat Flanges

SS DIN 1.4541 Spectacle Blind Flanges Pressure Rating Table

ANSI/ASME B16.34 PRESSURE RATING CHART
Temperature °F 150# 300# 400# 600# 900# 1500# 2500#
-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 1310 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 20 310 410 615 925 1545 2570
1100 20 255 345 515 770 1285 2145
1150 20 200 265 400 595 995 1655
1200 20 155 205 310 465 770 1285
1250 20 115 150 225 340 565 945
1300 20 85 115 170 255 430 715
1350 20 60 80 125 185 310 515
1400 20 50 65 95 145 240 400
1450 15 35 45 70 105 170 285
1500 10 25 35 55 80 135 230