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Check online inventory of Stainless Steel 904L Flanges, Grade F904L Blind Flanges Dimension, SS DIN 1.4539 Forged Flanges, ASTM A182 Gr 904L Lap Joint Flanges, SS UNS N08904 Spectacle Blind Flange Exporter in India.

Stainless Steel 904l flange Specification


Specification: ASTM A182 / ASME SA182

Size: 1/2" (15 NB) to 48" (1200NB)

Schedule: SCH10, SCH 40, SCH 80, SCH 160 To SCH XXS

Dimension Standard: ANSI/ASME B16.5, B 16.47 Series A & B,

B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Type: Ring Joint Flange (RTJ), Flat Face Flange (FF),

Raised Face Flange (RF), Male and Female Flange (M & F),

Lap Joint Flange, Large and Small Tongue-and-Groove Flange (T & G)

Pressure rating: 150#, 300#, 600#, 900#, 1500#, 2500#,

PN6, PN10, PN16, PN25, PN40, PN64 etc.


904L stainless steel is a form of austenitic steel acclaimed for its incredible corrosion protection and fantastic mechanical characteristics. A combination of chromium, nickel, molybdenum, copper, and manganese are included in this stainless steel to create increased protection from varying acidic, chloride, and saline conditions.


One of the major characteristics of 904L stainless steel is its remarkable corrosion protection. It resists pitting and crevice corrosion, even when exposed to extreme conditions. This renders it perfect for use in chemical processing, oil and gas, pharmaceuticals, and marine activities.


Aside from its resistance to rust, 904L stainless steel flanges offer strength and toughness. Compared to standard austenitic stainless steels, it has higher breaking and yield strength, making it fitting for projects that call for powerful mechanical parts. 904L stainless steel also demonstrates good formability and weldability. It can be easily fabricated into various shapes and sizes, allowing for the production of complex flange designs. Its weldability enables the construction of robust and leak-free connections.


Furthermore, 904L stainless steel exhibits low carbon content, which improves its resistance to intergranular corrosion. This property makes it ideal for applications that involve exposure to elevated temperatures, such as heat exchangers and furnace components.


ASTM A105 Carbon Steel Flanges Specifications


Specifications ASTM A182 / ASME SA182
Size 1/2″ to 48″
Standards ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Pressure Ratings Class 400, Class 150, Class 1500, Class 300, Class 900, Class 2500, Class 600
Flange Face Type Flate Face, Raised Face, Ring Type Joint
Coating/Surface Treatment Yellow Transparent, Oil Black Paint, Anti-rust Paint, Cold and Hot Dip Galvanized, Zinc Plated.

Another notable aspect of 904L stainless steel is its low maintenance requirement. It offers long-term durability and does not require frequent maintenance or replacement, reducing overall costs.


At our company, we take utmost care in packaging 904L stainless steel flanges. Each flange is carefully wrapped in protective material to prevent scratches and damage during transportation. We use sturdy and secure packaging boxes to ensure the flanges reach their destination in perfect condition. Your satisfaction and the integrity of our products are our top priorities.


SS 904L Plate Flange Size In Inch


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

Chemical Properties of ASME SA182 SS 904L WNRF Flanges


Grade C Mn Si P S Cr Mo Ni N
SS 904L 0.08 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 8 – 11

Physical Properties of SS DIN 1.4539 Nippo Flanges


Yield Strength
0.2% Offset
Ultimate Tensile
Strength
Elongation
in 2 in.
Hardness
psi (min.) (MPa) psi (min.) (MPa) % (min.) (max.)
31,000 220 71,000 490 36 70-90 Rockwell B

Equivalent Of 904L stainless steel Forged Flanges


STANDARD WERKSTOFF NR. UNS JIS BS KS AFNOR EN
SS 904L 1.4539 N08904 SUS 904L 904S13 STS 317J5 Z2 NCDU 25-20 X1NiCrMoCu25-20-5

DIN 1.4539 Ring Type Joint Flanges Thermal Composition

Properties Metric Imperial
Thermal expansion co-efficient (@0-100°C/32-212°F) 10.4 µm/m°C 5.78 µin/in°F
Thermal conductivity 21.6 W/mK 150 BTU in/hr.ft².°F

904L SS Flanges Physical Properties


Density

0.287 lbs/in3
7.95 g/cm3

Specific Heat

0.11 BTU/lb-°F (32 – 212°F)
450 J/kg-°K (0 – 100°C)

Modulus of Elasticity

28.0 x 106 psi
190 GPa

Thermal Conductivity 212°F (100°C)

6.8 BTU/Ft-hr°F
12.9 W/m-°K

Melting Range

2372 – 2534°F
1300 – 1390°C

Electrical Resistivity

33.5 Microhm-in at 68°C
95.2 Microhm-cm at 20°C

Weight Chart Of ASTM A182 SS F904L Long Weld Neck Flange


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

ANSI B16.5 SS F904L RTJ Flange Dimensions Chart


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

Stainless Steel F904L Weld Neck Flange Pressure Gauge


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

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