Stainless Steel Flanges

Stainless Steel Flanges

Stainless Steel Blind Flanges

Stainless Steel Blind Flanges

SS Slip On Flanges

SS Slip On Flanges

Stainless Steel Weld Neck Flange

Stainless Steel Weld Neck Flange

 

Table of Content

 

 

Manufacturer Of SS Forged Flange in India, View Specification

ISO 9001:2015 Certified, Ramesh Group one of the most oldest stainless steel flanges manufacturer. The company is also an ADNOC approved steel forging company in India who produce a wide range of SS forged flange as per ASME B16.5 and class 150 to 2500.

 

Stainless Steel Flange Specification

 

 

 

 

 

Stainless Steel Flange Grade

ASTM A182 F304 Flanges

ASTM A182 F304 Flanges

ASTM A182 F304L Flange

ASTM A182 F304L Flange

ASTM A182 F316 Flanges

ASTM A182 F316 Flanges

 

ASTM A182 F316L Flange

ASTM A182 F316L Flange

ASTM A182 F321 Flange

ASTM A182 F321 Flange

ASTM A182 F347 Flange

ASTM A182 F347 Flange

 

ASTM A182 F904L Flange

ASTM A182 F904L Flange

 

Select Your Size and Schedule In The Online Inventory Of Forged Stainless Steel Flanges With RTJ/ RF/ FF Face Types.

 

Ramesh Group is a SS flanges manufacturers since 2004. Forged stainless steel flanges can withstand high temperatures than carbon steel.

 

SS Flange Size Chart

Size Pressure Class International Standard
1/4″ to 24″ 150 lb to 2500 lb ASME B16.5
1/4″ to 24″ 300 lb to 2500 lb ASME B16.36
26″ to 60″ 150 lb to 900 lb ASME B16.47
1/4″ to 24″ 150 lb to 2500 lb ASME B16.48
3/8″ to 80″ PN 2.5 to PN 400 EN 1092-1/2
26″ To 48″ 150 lb to 600 lb BS 3293
22″ To 48″ 150 lb to 900 lb MSS SP 44
4″ To 144″ Class B/D/E/F Awwa C207
2 1/2″ To 24″ – ISO flange
1/2″ To 48″ 150 lb to 2500 lb Australian flange
1/2″ To 80″ 150 lb to 300 lb Korean flange
3/8 to 60″ 150 lb to 2500 lb Japanese standard flange
1/2″ To 48″ PN6 To PN40 DIN flange

 

Stainless Steel Flange Thickness

SCH 10 SCH 20
SCH 30 STD Wall
SCH 40 SCH 60
EXT Hvy SCH 80
SCH 100 SCH 120
SCH 140 SCH 160
XX Hvy –

 

Face Types Of SS Forged Flanges

Diagram Face Types Marking symbol
Raised Face Raised Face RF
Flat Face Flat Face FF
Ring Type Joint Ring Type Joint RTJ
Lap Joint Face Lap Joint Face LJRF
Tongue Groove Face Tongue Groove Face T&G
Male Female Face Male Female Face M&F

 

Suitable Environment For Stainless Flange

Environment Suitable Grades
Organic acids
  • 304L, 316L, 317L, 904L
Corrosion-resistant service
  • 316L
Chlorine, hydrochloric acid and hydrogen chlorine
  • SS 304L, 316L
Sulphuric acid
  • 304/304L, 316/316L, 310, 904L
Caustic Soda
  • SS 304/ 304L, 316/ 316L

 

Looking For SS Flange Supplier In Mumbai? Buy Directly Stainless Steel Pipe Flange From Stockist at Factory Prices in Mumbai, RSC Produce Class 150-2500 Pressure Rating In Forging, Casting, and Plate Methods

Offer SS Flange in popular sizes like 1/2″, 2″ 3″ and 4 inch, Buy all types and pressure class from a most experienced SS flanges manufacturers in India as per ASME B16.5.

 

SS Flange Price List

  • Grade = 304
  • Face = RTJ/RF/FF
  • Standard = ASME B16.5
Size, Class, and Schedule Price In US (Dollar) Per Unit
1” x CL. 150 x US $20.15
1.1/4” x CL. 150 x Sch. 40S US $24.78
1.1/2” x CL. 150 x Sch. 40S US $30.79
2” x CL. 150 x Sch. 40S US $40.66
3” x CL. 150 x Sch. 40S US $84.13
3.1/2” x CL. 150 x Sch. 40S US $79.82
4” x CL. 150 x Sch. 40S US $134.91
5” x CL. 150 x Sch. 40S US $155.36
6” x CL. 150 x Sch. 40S US $177.78
8” x CL. 150 x Sch. 40S US $203.92
10” x CL. 150 x Sch. 40S US $305.77
12” x CL. 150 x Sch. 40S US $459.02
14” x CL. 150 x Sch. 40S US $595.18
16” x CL. 150 x Sch. 40S US $678.46
18” x CL. 150 x Sch. 40S US $884.29
20” x CL. 150 x Sch. 40S US $1149.22

 

Class 150 SS Flange Pressure Rating

Temperature °F Class 150
-20~100 275
200 230
300 205
400 190
500 170
600 140
650 125
700 110
750 95
800 80
850 65
900 50
950 35
1000 20
1050 –

 

Class 300 Stainless Steel Flange Pressure Rating

Temperature °F Class 300
-20~100 720
200 600
300 540
400 495
500 465
600 440
650 430
700 420
750 415
800 405
850 395
900 390
950 380
1000 355
1050 325

 

Class 600 Stainless Steel Flange Pressure Rating

Temperature °F Class 600
-20~100 1,440
200 1,200
300 1,075
400 995
500 930
600 885
650 865
700 845
750 825
800 810
850 790
900 780
950 765
1000 710
1050 650

 

Class 900 SS Flange Pressure Rating

Temperature °F Class 900
-20~100 2,160
200 1,800
300 1,615
400 1,490
500 1,395
600 1,325
650 1,295
700 1,265
750 1,240
800 1,215
850 1,190
900 1,165
950 1,145
1000 1,065
1050 975

 

Class 1500 SS Flange Pressure Rating

Temperature°F Class 1500
-20~100 3,600
200 3,000
300 2,690
400 2,485
500 2,330
600 2,210
650 2,160
700 2,110
750 2,065
800 2,030
850 1,980
900 1,945
950 1,910
1000 1,770
1050 1,630

 

Class 2500 Stainless Steel Flange Pressure Rating

Temperature °F Class 2500
-20~100 6,000
200 5,000
300 4,480
400 4,140
500 3,880
600 3,680
650 3,600
700 3,520
750 3,440
800 3,380
850 3,300
900 3,240
950 3,180
1000 2,950
1050 2,715

 

Know More About Finish Types & Suitable Temperature Of Stainless Steel Forged Flanges As Per ASME B16.5

 

Manufacturing Technique Of Stainless Steel Pipe Flange

Forging Manufacturing Methods Standard
Forged Forged ASME/ANSI B16.5
Plate Plate ASME/ANSI B16.5
Cast Cast ASTM A341 & MSS SP-51

 

Finish Types Of Forged SS Flanges

Diagram Types Of Finish Finish Value
Smooth Finish Smootd Finish 63-125 AA
Concentric Serrated Concentric Serrated 125 and 500 micro inches
Spiral Serrated Spiral Serrated Generated using a 90-deg tool
Serrated Finish Serrated Finish Required 30 to 55 grooves per inches
Stock Finish Stock Finish 125- to 250-μin

 

Suitable Temperature For Stainless Flange

Material & Grade Temperature In °C Temperature In °F
ASTM A182 F304 1399 °C – 1454 °C 2,550 °F – 2,650 °F
ASTM A182 F304L 1,371 °C – 1,399 °C 2,500 °F – 2,550 °F
ASTM A182 F316 1,371 °C – 1,399 °C 2,500 °F – 2,550 °F
ASTM A182 F316L 1040 to 1175° C 1900 to 2150° F

 

Manufacturing Standards Of SS Pipe Flanges

ASME B16.48 ASME B16.36 ASME B16.5 ASME B16.47 Series A ASME B16.47 Series B
  • 300 LB
  • 600 LB
  • 900 LB
  • 1500 LB
  • 2500 LB
  • CL 300
  • CL 400
  • CL 600
  • CL 900
  • CL 1500
  • CL 2500
  • Class 150
  • Class 300
  • Class 600
  • Class 900
  • Class 1500
  • Class 2500
  • 150#
  • 300#
  • 600#
  • 900#
  • 1500#
  • 2500#
  • 75 PSI
  • 150 PSI
  • 300 PSI
  • 400 PSI
  • 600 PSI
  • 900 PSI
  • 1500 PSI
  • 2500 PSI

 

View SS Pipe Flange Weight, and DIN/ JIS/ PN/ EN Manufacturing Standards

 

Stainless Steel Blind Flange Weight

DN Wall Thickness Blind Flange
15 11.2 0.4
20 12.7 0.6
25 14.2 0.9
32 15.7 1.2
40 17.5 1.5
50 19.1 2.4
65 22.4 3.9
80 23.9 4.9
90 23.9 6.2
100 23.9 7.0
125 23.9 8.6
150 25.4 11.3
200 28.4 19.6
250 30.2 28.6
300 31.8 43.2
350 35.1 58.1
400 36.6 76.1
450 39.6 93.7
500 42.9 122.0
600 47.8 185.0

 

SS Slip On Flange Weight

DN Wall Thickness Slip On Flanges
15 11.2 0.4
20 12.7 0.6
25 14.2 0.8
32 15.7 1
40 17.5 1.3
50 19.1 2.1
65 22.4 3.3
80 23.9 3.9
90 23.9 4.8
100 23.9 5.3
125 23.9 6.1
150 25.4 7.5
200 28.4 12.1
250 30.2 16.5
300 31.8 26.2
350 35.1 34.6
400 36.6 44.8
450 39.6 48.9
500 42.9 61.9
600 47.8 86.9

 

Stainless Weld Neck Flange Weight

DN Wall Thickness Weld Neck Flange
15 11.2 0.5
20 12.7 0.7
25 14.2 1
32 15.7 1.3
40 17.5 1.7
50 19.1 2.6
65 22.4 4.1
80 23.9 4.9
90 23.9 6.1
100 23.9 6.8
125 23.9 8.6
150 25.4 10.6
200 28.4 17.6
250 30.2 24
300 31.8 36.5
350 35.1 48.4
400 36.6 60.6
450 39.6 68.3
500 42.9 84.5
600 47.8 115

 

Most Common Types Of Stainless Steel Flange

SS socket weld flange

SS socket weld flange

Forged Stainless lap joint flange

Forged Stainless lap joint flange

Stainless steel plate flanges

Stainless steel plate flanges

SS long neck flanges

SS long neck flanges

Stainless steel threaded flange

Stainless steel threaded flange

Stainless steel orifice flange

Stainless steel orifice flange

SS spectacle blind flanges

SS spectacle blind flanges

Stainless steel reducing flange

Stainless steel reducing flange

SS RTJ flanges

SS RTJ flanges

 

Stainless Steel Flange Bolt Chart

Size No of Bolts
15 4
20 4
25 4
32 4
40 4
50 4
65 4
80 4
90 8
100 8
125 8
150 8
200 8
250 12
300 12
350 12
400 16
450 16
500 20
600 20

 

Gasket For Stainless Steel Flange

  • PTFE Gasket
  • Oval Ring Gasket
  • Spiral Wound Gaskets
  • Metal Jacketed Gasket
  • RTJ Gaskets
  • RF Gaskets
  • FF Gaskets

Our Products

Top 8 Reasons to Choose Ramesh Group for High Pressure Applications

adnoc-approved-manufacturer

  • ADNOC approved manufacturer and supplier of seamless fittings and forged steel flanges
  • Supply industrial steel piping products in Europe as per CBAM requirements
  • Exporter of high performance weld fittings suitable for corrosion resistant environment
  • Distributor of butt welding fittings for Marine application as per MTC EN 10204 3.1/ 3.2
  • All pipe flange comes with NACE MR0175 and pressure class 150 to 2500 as per ASME B16.5.
  • Over 250 Fabricators and traders in Middle East and European countries import prime quality BLRF, SORF and WNRF flanges because our material is accepted in Abu Dhabi National Oil Company
  • Supplying SMLS elbow, tee, reducer and end cap to Stockist and wholesaler of piping materials in Saudi Arabia at Resale price as per ASME B16.9.
  • Keep custom sizes Ex stock of standard sizes with stockholders in USA and Mexico for urgent requirements in replacement situations