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ASTM A182 F304L blind flange manufacturer in India with various pressure class such as 150# to 2500#


Stainless Steel 304L Flanges



Stainless steel 304L flanges specification

Size Face Type International Standards
  • 1/2" to 48"
  • PN 2.5 - PN 400
  • DN15 - DN1200
  • Raised Face (RF)
  • Ring Type Joint (RTJ)
  • Lap Joint (LJ)
  • Flat Face (FF)
  • Tongue and Groove (T&G)
  • Male Female face (M&F)
  • ASME B16.5
  • ASME B16.48
  • API/ DIN/ JIS
  • EN1092/ BS4504/ BS 10
  • ASME B16.47
  • ASME B16.36
Manufacturing Method ASTM Standard ASME Standard
  • Forged
  • Plate
  • Cast
ASTM A182 F304L ASME SA182 F304L
Melting Point Tensile Strength Density
  • 1400 °C
  • 2550 °F
  • PSI – 75000
  • MPa – 515
8.0 g/cm3
Hardness Heat Resistance Maximum Service Temperature (Air)
92 (Rockwell B) maximum 1600°F 870 °C
Markings Method Special Flange Types Machining Process
  • Schedule
  • Face type
  • ASTM material
  • Country origin
  • Grade
  • Heat Number
  • Manufacturer logo
  • Size
  • Pressure rating
  • Nipo Flanges
  • Groove and tongue flanges
  • High hub flanges
  • Expanding flanges
  • Male and female flanges
  • Quality control
  • Forging
  • Heat treatment
  • Forming
  • Material selection
  • Material cutting
  • Shaping
  • Inspection
  • Machining
  • Surface finish
Types of Stainless Steel 304L Flanges Pressure Rating Manufacturing Origin and Standards
  • ASTM A182 F304L blind flange
  • 304L stainless steel slip on flanges
  • SA182 F304L weld neck flanges
  • UNS S30403 socket weld flange
  • Werkstoff No 1.4307 plate flanges
  • AISI 304L threaded flange
  • ASME SA182 F304L lap joint flange
  • ASTM A182 Gr F304L long weld neck flanges
  • SA 182 F304L spectacle blind flanges
  • 150 PSI
  • 300 PSI
  • 600 PSI
  • 900 PSI
  • 1500 PSI
  • 2500 PSI
  • UNI 2276/ 6091 - Italy
  • AWWA - USA
  • ANSI B16.5 - USA
  • DIN- Germany
  • JIS - Japan
  • API-605 - USA
  • BS 10- Australia and UK
  • BS EN 1092-1 - Europe
  • Ghost - Russia
  • MSS SP44 - USA
  • ASME B16.5- USA
  • PN 10 to PN400- Europe
Threads Types Value Added Services Inspection Methods
  • MPT
  • FPT
  • BSP
  • BSPT
  • NPT
  • MTR certification
  • Polishing
  • Beveling end
  • Cutting
  • Coating
  • Marking tagging
  • Tensile test
  • Material inspection
  • PMI test
  • Visual inspection
  • Impact test
  • Hardness test
Jointing Types Connection Defining Factors of ASTM A182 F304L flanges
  • Welded joint
  • Threaded joint
  • Bolted joint
  • Welded
  • Threaded
  • Standards
  • Dimensions
  • Type
  • Material
  • Schedule
  • Face
  • NPS
  • Pressure class
Surface Finish Uses DIN & EN Standards
  • Stock finish
  • Smooth finish
  • Cold water finish
  • Serrated finish
  • Concentric serrated
  • Mirror finish
  • Spiral serrated
  • Gas & Oil applications
  • Industrial piping connection
  • Refinery industry
  • Aerospace constructions
  • Nuclear power
  • Petrochemical plants
  • DIN 2558 Type 12 Threaded flange
  • DIN 2527 Type 5 for blind flange
  • DIN 2578 Type 1 for flat flange
  • DIN 2627 Type 11 for weld neck flange

A182 F304L flanges pressure class

Temperature °F (Fahrenheit) 150 LBS 300 LBS 900 LBS 1500 LBS 2500 LBS 600 LBS
-20 to 100 720 1440 2160 3600 6000 275
200 600 1200 1800 3000 5000 230
300 540 1080 1620 2700 4500 205
400 495 995 1490 2485 4140 190
500 465 930 1395 2330 3880 170
600 435 875 1310 2185 3640 140
700 425 850 1275 2125 3540 110
800 405 805 1210 2015 3360 80
900 390 780 1165 1945 3240 50
1000 320 640 965 1605 2675 20
1050 310 615 925 1545 2570 20
1100 255 515 770 1285 2145 20
1150 200 400 595 995 1655 20
1200 155 310 465 770 1285 20
1250 115 225 340 565 945 20
1300 85 170 255 430 715 20
1350 60 125 185 310 515 20
1400 50 95 145 240 400 20
1450 35 70 105 170 285 15
1500 25 55 80 135 230 10

UNS S30403 socket weld flange price list

Get a reasonable cost from well-known SA182 F304L weld neck flanges supplier in Mumbai, and view the face surface of 304L stainless steel slip on flanges.

UNS S30403 socket weld flange price list

(SWRF flanges, Grade : F304L, Face : RF, SCH 40) Price per piece in US Dollar

  • 1/2", 150# PSI
  • 1", 150# PSI
  • 1 1/4", 150# PSI
  • 1 1/2", 150# PSI
  • 2", 150# PSI
  • 2 1/2", 150# PSI
  • 3", 150# PSI
  • 3 1/2", 150# PSI
  • 4", 150# PSI
  • US $1.62
  • US $2.53
  • US $3.87
  • US $5.11
  • US $6.77
  • US $8.10
  • US $8.78
  • US $10.31
  • US $11.28


ASTM A182 F304L blind flange face surface

ASTM A182 F304L blind flange face surface

We provide Werkstoff No 1.4307 plate flanges and UNS S30403 socket weld flange in all sizes with RF/ FF/ RTJ face types as per ASME B16.5



Various types Of SS 304L flanges

ASTM A182 F304L blind flange

ASTM A182 F304L blind flange

304L stainless steel slip on flanges

304L stainless steel slip on flanges

SA182 F304L weld neck flanges

SA182 F304L weld neck flanges

UNS S30403 socket weld flange

UNS S30403 socket weld flange

Werkstoff No 1.4307 plate flanges

Werkstoff No 1.4307 plate flanges

AISI 304L threaded flange

AISI 304L threaded flange

ASME SA182 F304L lap joint flange

ASME SA182 F304L lap joint flange

ASTM A182 Gr F304L long weld neck flanges

ASTM A182 Gr F304L long weld neck flanges

SS 304L spectacle blind flanges

SS 304L spectacle blind flanges

F304L ring type joint flange

F304L ring type joint flange

304L stainless steel raised face flange

304L stainless steel raised face flange

SA 182 F304L tongue and groove flange

SA 182 F304L tongue and groove flange

DIN 1.4307 male and female flange

DIN 1.4307 male and female flange

Class 150 SS 304L flat face flange

Class 150 SS 304L flat face flange

304L reducing flange

304L reducing flange

A182 F304L square flange

A182 F304L square flange

AISI 304L SS orifice flanges

AISI 304L SS orifice flanges

304L SS puddle flange

304L SS puddle flange

1.4307 stainless steel high hub blind flange

1.4307 stainless steel high hub blind flange

ASME SA182 Grade F304 anchor flange

ASME SA182 Grade F304 anchor flange

A182 F304 hydraulic sae flanges

A182 F304 hydraulic sae flanges



Discover the AISI 304L threaded flange gasket material and testing of SS 304L flanges, which are suitable for petrochemical applications.


Gasket for 304L stainless steel slip on flanges

NPS O.D. (Outer Diameter) Inner Diameter
DN 150# 300# I.D.
15 48 54 21
20 57 67 27
25 67 73 33
32 76 83 42
40 86 95 48
50 105 111 60
65 124 130 73
80 137 149 89
90 162 165 102
100 175 181 114
125 197 216 141
150 222 251 168
200 279 308 219
250 340 362 273
300 410 422 324
350 451 486 356
400 514 540 406
450 549 597 457
500 606 654 508
600 718 775 610

SA182 F304L weld neck flanges testing

SA182 F304L weld neck flanges testing


ASME SA182 Gr F304L forged flanges weight chart

Normal Pipe Size SORF flanges (LBS) SWRF flanges (LBS) BLRF flange (LBS) WNRF flange (LBS)

1/2 1.10 1.98 1.98 1.98
3/4 1.98 1.98 1.98 1.98
1 1.98 1.98 1.98 3.08
3.08 3.08 3.08 3.08
3.08 3.08 3.96 3.96
2 5.07 5.07 5.07 5.95
7.9 7.93 7.05 9.92
3 9.03 9.03 9.03 11.46
8.81 8.81 13.00 11.90
4 13.00 13.00 16.97 16.31
5 14.99 14.99 19.84 20.94
6 18.95 18.95 26.89 25.79
8 29.76 29.76 46.73 41.66
10 42.76 42.76 69.44 53.57
12 63.49 63.49 122.13 87.30
14 89.28 89.28 138.8 113.09
16 105.16 97.22 178.57 138.89
18 128.97 128.97 218.25 163.80
20 163.80 163.80 282.85 195.55
22 183.64 183.64 352.29 223.32
24 218.25 218.25 426.59 265.87

Don't forget to check ASME SA182 F304L lap joint flange chemical composition and ASTM A182 Gr F304L long weld neck flanges mechanical properties.


A182 F304L equivalent

Standard Stainless Steel 304L Flanges
AFNOR Z3CN18‐10
UNS S30403
JIS SUS 304L
BS 304S11
WERKSTOFF NR. 1.4306
GOST 03Х18Н11

SA 182 F304L chemical composition

Chemical Element % Present
S (Sulphur) 0.0 - 0.03
Ni (Nickel) 8.00 - 10.50
C (Carbon ) 0.0 - 0.03
Fe (Iron ) Balance
Mn (Manganese ) 0.0 - 2.00
P (Phosphorous) 0.0 - 0.05
Cr (Chromium) 17.50 - 19.50
Si (Silicon ) 0.0 - 1.00
N (Nitrogen) 0.0 - 0.11

ASTM A182 F304L mechanical properties

Mechanical Property Value
Elongation A50 mm 45 Min %
Hardness, Rockwell B82
Proof Stress 175 Min MPa
Yield Strength, ksi(Mpa) 42 (290)
Tensile Strength ksi(Mpa), (minimum) 90 (621)

304L SS flanges physical properties

Physical Property Value
Thermal Conductivity 16.2 W/m.K
Thermal Expansion 17.2 x10^-6 /K
Electrical Resistivity 0.72 x10^-6 Ω .m
Modulus of Elasticity 193 GPa