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Carbon Steel Flanges

Carbon Steel Flanges

Carbon Steel Flanges Quick Information
ASME Standard ASME B16.5 , ASME B16.36 , ASME B16.47
Size Range :  1/2 to 48"
Thread Types BSPP, NPT, BSPT, MNPT
Pressure Class 150 to Class 2500
Density 0.284(lb / cu. in.)
Tensile Strength 485 MPa
Thermal Conductivity 360 W/m-K
MTC: EN 10204 Type 3.1
Production method Heat treated , Forged , Machined

CS Blind Flange Manufacturer in India As Per ASME B16.5 Standard

Carbon Steel Flanges

Carbon Steel Flanges

CS Blind Flange

CS Blind Flange

Low Carbon Steel Slip On Flange

Low Carbon Steel Slip On Flange


Table of Contents


Low Carbon Steel Slip On Flange Supplier in Mumbai, Check CS Flange Specifications

Carbon Steel Flanges Specification

Carbon Steel Flanges Sizes

  • NPS: 1/2″ to 48″
  • Class: 150 to 2500
  • SCH: Sch 10 to XXS



Sizes

CS SWRF Flange Threads

  • NPT
  • BSPT
  • FNPT, MNPT
  • BSPP



Threads

Carbon Steel SORF Flange Standards

  • ASTM A694
  • ASME B16.5
  • ASTM A105N
  • ASME B16.47
  • MSS SP-44
  • ASME B16.36
Standards

High Yield Carbon Steel Pipe Flange Pressure Class

  • 150 Lbs
  • 600 Lbs
  • 2500 Lbs
  • 1500 Lbs
  • 900 Lbs
  • 300 Lbs

Pressure Class

High Yield Carbon Steel Plate Flanges Markings

  • Face type
  • Manufacturers logo
  • Grade
  • Pressure class
  • Origin of material
  • Sizes
  • ASTM standard

Markings

Carbon Steel Spectacle Blind Flange ASME Standards

  • ASME B16.20
  • ASME B16.47
  • ASME B16.36
  • ASME B16.5



Standards

CS Orifice Flange Origin

  • Janpanese
  • European
  • American
  • Korean


Origin

Carbon Steel Reducing Flange Face Types

  • FF
  • RTJ
  • RF
  • T&G

Face Types

Carbon Steel BLRF Flange Testing

  • Tensile
  • Hardness test
  • PMI
  • Pressure

Testing

Low Carbon Steel Slip On Flange Coating Methods

  • Electric Zinc
  • Anti-Rust
  • Electric Galvanised
  • Oil Varnished

Coating Methods

Carbon Steel Lap Joint Flange Certificate

  • 100% Radiography Test
  • Third Party Inspection Report
  • NACE MR0175


Certificate

Applications of Carbon Steel Forged Flange

  • Industrial Vessels
  • Power Plants
  • Piping Connection
  • Oil & Gas Industry

Applications

Carbon Steel Flange Material Types

  • Lap Joint Flange
  • Blind
  • Weld Neck
  • Slip On
  • Plate Flanges
  • Socket Weld

Types

Medium CS Lap Joint Flange Process

  • Forging
  • Rolling
  • Casting
  • Cutting



Process

Carbon Steel Weld Neck Flange Advantages

  • High-Temperature & Pressure Resistance
  • Cost-Effectivenes
  • Corrosion Resistance
  • Versatility
  • High Strength & Durability

Advantages

High Carbon Steel Socket Weld Flange Dimensions And Pressure Ratings

CS Flanges Dimensions

Carbon Steel Flanges Manufacturer In India Offers Wide Range Of Dimensions Of Flanges

NPS Outer Daimeter of
Flange
(D)		 Flange Thickness
(B)		 Raised Face Daimeter
(G)		 Bolt Holes Daimeter
(L)		 Bolt Circle Daimeter
(K)		 Number of
Bolt
Holes		 Approx
Weight in
(kg)		 Daimeter of
Bolt
(inches)
24 812.8 47.8 692.2 35.1 749.3 20 195 1-1/4
20 698.5 42.9 584.2 31.8 635 20 129 1-1/8
18 635 39.6 533.4 31.8 577.9 16 100 1-1/8
16 596.9 36.6 469.9 28.4 539.8 16 82 1
14 533.4 35.1 412.8 28.4 476.3 12 64 1
12 482.6 31.8 381 25.4 431.8 12 50 7/8
10 406.4 30.2 323.9 25.4 362 12 32 7/8
8 342.9 28.4 269.7 22.4 298.5 8 20 3/4
6 279.4 25.4 215.9 22.4 241.3 8 12 3/4
5 254 23.9 185.7 22.4 215.9 8 9 3/4
4 228.6 23.9 157.2 19.1 190.5 8 8 5/8
3-1/2 215.9 23.9 139.7 19.1 177.8 8 6 5/8
3 190.5 23.9 127 19.1 152.4 4 4 5/8
2-1/2 177.8 22.4 104.6 19.1 139.7 4 3 5/8
2 152.4 19.1 91.9 19.1 120.7 4 2 5/8
1-1/2 127 17.5 73.2 15.7 98.6 4 2 1/2
1 108 14.2 50.8 15.7 79.2 4 1 1/2
1/2 88.9 11.2 35.1 15.7 60.5 4 0.5 1/2

Carbon Steel Flanges Pressure Rating

ASME CS Flanges Pressure Rating in Psig for (A350 LF2/ A350 LF3/ A350 LF6/ & A105)
Temp in (F°) 2500# 1500# 900# 600# 400# 300# 150#
1000 715 430 255 170 115 85 20
950 1145 685 410 275 185 135 35
900 1915 1150 690 460 305 230 50
850 2655 1595 955 640 425 320 65
800 3430 2055 1235 825 550 410 80
750 4230 2535 1520 1015 675 505 95
700 4425 2655 1590 1060 710 530 110
650 4575 2745 1650 1100 730 550 125
600 4730 2840 1705 1135 755 570 140
500 5025 3015 1810 1205 805 605 170
400 5280 3170 1900 1265 845 635 200
300 5450 3270 1965 1310 870 655 230
200 5655 3395 2035 1360 905 680 260
-20 to 100 6170 3705 2220 1480 985 740 285
Class 150 Medium CS Lap Joint Flange Thickness And Temperature Rating

CS Flanges Thickness Chart

Nominal Pipe Size STD Wall Outside Daimeter EXT Hvy SCH 160 SCH 140 SCH 120 SCH 100 SCH 80 SCH 60 SCH 40 SCH 20 SCH 10 XX Hvy
48 0.375 48 0.5 - - - - - - - - - -
42 42 - - - - - - - - - -
40 40 - - - - - - - - - -
30 30 - - - - - - - 0.5 0.312 -
26 26 - - - - - - - - - -
24 24 2.344 2.062 1.812 1.531 1.219 0.969 0.688 0.375 0.25 -
22 22 - - - - - - - - 0.25 -
20 20 1.969 1.75 1.5 1.281 1.031 0.812 0.594 0.375 0.25 -
18 18 1.781 1.562 1.375 1.156 0.938 0.75 0.562 0.312 0.25 -
16 16 1.594 1.438 1.219 1.031 0.844 0.656 0.5 0.312 0.25 -
14 14 1.406 1.25 1.094 0.938 0.75 0.594 0.438 0.312 0.25 -
12 12.75 1.312 1.125 1 0.844 0.688 0.562 0.406 0.25 0.18 1
10 0.365 10.75 1.125 1 0.844 0.719 0.594 0.5 0.365 0.25 0.165 1
8 0.322 8.625 0.906 0.812 0.719 0.594 0.5 0.406 0.322 0.25 0.148 0.875
6 0.28 6.625 0.432 0.719 - 0.562 - 0.432 - 0.28 - 0.134 0.864
5 0.258 5.563 0.375 0.625 - 0.5 - 0.375 - 0.258 - 0.134 0.75
4 0.237 4.5 0.337 0.531 - 0.438 - 0.337 - 0.237 - 0.12 0.674
3 ½ 0.226 4 0.318 - - - - 0.318 - 0.226 - 0.12 0.636
3 0.216 3.5 0.3 0.438 - - - 0.3 - 0.216 - 0.12 0.6
2 ½ 0.203 2.875 0.276 0.375 - - - 0.276 - 0.203 - 0.12 0.552
2 0.154 2.375 0.218 0.344 - - - 0.218 - 0.154 - 0.109 0.436
1 ½ 0.145 1.9 0.2 0.281 - - - 0.2 - 0.145 - 0.109 0.4
1 0.133 1.315 0.179 0.25 - - - 0.179 - 0.133 - 0.109 0.358
½ 0.109 0.84 0.147 0.188 - - - 0.147 - 0.109 - 0.083 0.294

Carbon Steel Flanges Temperature Ratings

Temperature Ratings of Carbon Steel Flanges in PSIG
Temperature in (°F) Class
2500 1500 900 600 300 150
1000 715 430 255 170 85 20
950 1,145 685 410 275 135 35
900 1,915 1,150 690 460 230 50
850 2,655 1,595 955 640 320 65
800 3,430 2,055 1,235 825 410 80
750 4,230 2,535 1,520 1,015 505 95
700 4,425 2,655 1,590 1,060 530 110
650 4,575 2,745 1,650 1,100 550 125
600 4,730 2,840 1,705 1,135 570 140
500 5,025 3,015 1,810 1,205 605 170
400 5,280 3,170 1,900 1,265 635 200
300 5,450 3,270 1,965 1,310 655 230
200 5,655 3,395 2,035 1,360 680 260
-20 to 100 6,170 3,705 2,220 1,480 740 285
High Yield Carbon Steel Threaded Flange Weight Chart And HS Code

CS Flanges Weight Chart

Standards Diameter Classes No. of Bolts Diameter of Bolt Circle Bolt Hole Diameter Bolt Size
ISO 7005 (DIN) Flanges 95 PN40 4 65 14 M12
PN25
90 PN20 60.5 16 M14
95 PN16 65 14 M12
PN10
80 PN6 55 11 M10
AS4087 95 PN14 67 14 M12
ANSI B16.5 121 ANSI 1500 83 22 19
ANSI 900
95 ANSI 600 67 16 13
ANSI 300
89 ANSI 150 60
AS 2129 Flanges 114 Table J 83 17 16
Table H
95 Table F 67 14 13
Table E
Table D
Table C

Carbon Steel Flanges HSN Code

Grade HSN Code
CS Flanges 73072100

Difference Between of Two Carbon Forged Flanges

Difference Between of Two Carbon Forged Flanges

NPS Outside Daimeter of Flange Rating Bolts No. Thickness of the Flange
4 Inch 225 (MM) 300 lb 8 30.2 (MM)
290 (MM) 900 lb 44.5 (MM)

Standards of Low Carbon Steel Slip On Flange

According to ASME B16.48 and ASME B16.5 Standards, Carbon Steel Flanges Are Manufactured in India

American Standard
Standards Types
ASME B16.47 26 to 60 NPS Flanges
ASME B16.36 Orifice Flanges
ASME B16.20 Ring Joint Gaskets
ASME B16.5 NPS 1/2 to 24″, Forged Flanges

European (EN) Standards
BS EN 1092-3 
BS EN 1092-2
BS EN 1092-1

DIN (German) Standards Types
DIN 2627 to 2638 Weld Neck Flange
DIN 2622, 2641 Lapped Flange
DIN 2578, 2573 Flat Flange
DIN 2558, 2565, 2566, 2568, 2569 Threaded Flange
DIN 2527 Blind flange

Carbon Steel Flanges Sizes

Carbon Steel Flanges Sizes
Sizes in (Millimetre) Size in (Inches)
DN600 24
DN500 20
DN450 18
DN400 16
DN350 14
DN300 12
DN250 10
DN200 8
DN150 6
DN125 5
DN100 4
DN80 3
DN65 2 1/2
DN50 2
DN40 1 1/2
DN32 1 1/4
DN25 1
DN20 3/4
DN15 1/2

Classification Of High Yield Carbon Steel Threaded Flange

Types Classification
Low Carbon Steel 0.005% to 0.3% of C
Medium Carbon Steel 0.3 - 0.8% of C
High Carbon Steel 0.8 - 2.0% of C
Ultra High Carbon Steel 1.25% to 2.0% at C

Carbon Steel Weld Neck Flange Schedule Chart

Nominal Pipe Size 2500 # 1500 # 900 # 600 # 300 # 150 #
BLD SO WN BLD SO WN BLD SO WN BLD SO WN BLD SO WN BLD SO WN
24" NA 3625 NA 3325 2025 1400 1500 1250 730 830 790 475 580 430 220 260
22" NA 1000 590 720 640 370 465 355 185 225
20" 2225 NA 2050 1075 730 830 810 510 590 505 315 400 285 165 180
18" 1750 1625 850 600 680 630 400 475 395 250 320 220 130 150
16" 1300 1250 600 425 495 495 330 390 295 190 250 180 98 140
14" 975 940 520 400 400 355 230 280 250 165 180 140 90 110
12" 1300 1100 1525 690 580 690 415 325 325 295 200 225 185 115 140 110 64 80
10" 1025 930 1075 510 435 455 290 245 260 230 170 190 124 81 91 70 43 52
8" 530 485 580 300 260 275 200 170 175 140 115 120 81 58 67 45 30 39
6" 345 325 380 160 165 115 110 110 86 80 81 50 39 42 26 19 24
5" 225 210 245 140 130 87 83 86 68 63 68 35 28 32 20 15 19
4" 130 125 145 73 54 53 53 41 37 42 27 22 25 17 13 15
3" 86 83 94 48 48 29 26 31 20 16 23 16 13 15 9 8 10
2 1/2" 56 55 52 35 36 SEE 1500 # WEIGHTS 15 13 18 12 10 12 7 8
2" 39 37 42 25 10 9 12 8 7 9 5 6
1 1/2" 23 22 25 13 12 13 8 7 8 6 7 3 4
1" 11 12 8 9 4 3 4 2 3
1/2" 7 4 5 2 1 2 1 2

Types of Carbon Steel Blank Flange

There Are Several Types of Carbon Steel Flanges Available From Indian Supplier

High Carbon Steel Socket Weld Flange

High Carbon Steel Socket Weld Flange

Medium CS Lap Joint Flange

Medium CS Lap Joint Flange

High Yield Carbon Steel Threaded Flange

High Yield Carbon Steel Threaded Flange

CS SWRF Flange

CS SWRF Flange

Carbon Steel BLRF Flange

Carbon Steel BLRF Flange

CS WNRF Flange

CS WNRF Flange

Carbon Steel SORF Flange

Carbon Steel SORF Flange

High Carbon Steel Weld Flange

High Carbon Steel Weld Flange

Carbon Steel Forged Flange

Carbon Steel Forged Flange

High Yield Carbon Steel Pipe Flange

High Yield Carbon Steel Pipe Flange

Carbon Steel Weld Neck Flange

Carbon Steel Weld Neck Flange

Carbon Steel Reducing Flange

Carbon Steel Reducing Flange

High Yield Carbon Steel Plate Flanges

High Yield Carbon Steel Plate Flanges

CS Orifice Flange

CS Orifice Flange

Carbon Steel Spectacle Blind Flange

Carbon Steel Spectacle Blind Flange

Carbon Steel Flanges Bolt Chart

Sizes Size of ISO Stud No. of Bolts Length of Machine Bolt Length of RF Stud in (Inches) Length of RTJ Stud in (Inches)
DN500 M30 20 140 6.25 6.75
DN600 M33 20 150 6.75 7.25
DN400 M27 16 115 5.25 5.75
DN450 M30 16 125 5.75 6.25
DN350 M27 12 115 5.25 5.75
DN300 M24 12 100 4.75 5.25
DN250 M24 12 100 4.5 5
DN200 M20 8 90 4.25 4.75
DN150 M20 8 85 4 4.5
DN125 M20 8 85 3.75 4.25
DN100 M16 8 75 3.5 4
DN90 M16 8 75 3.5 4
DN80 M16 4 75 3.5 4
DN65 M16 4 75 3.5 4
DN50 M16 4 70 3.25 3.75
DN40 M14 4 65 2.75 3.25
DN32 M14 4 55 2.75 3.25
DN25 M14 4 55 2.5 3
DN20 M14 4 50 2.5 -
DN15 M14 4 50 2.25 -

Gasket of Medium CS Lap Joint Flange

Types of Gaskets
RF Gaskets
Oval Ring Gasket
FF Gaskets
PTFE Gasket
Metal Jacketed Gasket
RTJ Gaskets

Carbon Steel Flange Torque Values

NPS in Flange Number of Bolts Bolt Size RBS in (MPa) Chesterton Nickle of (mu = 0.225) Copperslip of (mu = 0.09)
24" 24 1" 310 1329 1988
20" 24 1" 310 752 1116
18" 24 1" 276 668 992
16" 20 1" 276 668 992
14" 20 1" 276 479 708
12" 16 1" 276 479 708
10" 16 1" 276 330 485
8" 12 1" 276 249 366
6" 12 1" 276 156 229
5" 8 1" 276 156 229
4" 8 1" 276 139 203
3" 8 1" 276 139 203
2 1/2" 8 1" 276 139 203
2" 8 1" 276 79 116
1 1/2" 4 1" 276 139 203
1" 4 1" 276 79 116
1/2" 4 1/2" 276 40 59

Relevant Standards and Codes for Carbon Steel SORF Flange

  • ASME B16.5 : 1/2″ to 24″ NPS
  • ASME B16.47 : above 24″ NPS to 60″ NPS
  • AWWA C207 : Utilized in General Services From 4″ to 144″ NPS

Benefits of Purchasing Carbon Steel Pipe Flanges

Benefits of Purchasing Carbon Steel Pipe Flanges

Factors Needed to Determine of CS WNRF Flange

Inputs Required Values
Code  ASME B16.5 (According to the Application)
Design Pressure 110 bar
Flange Material  ASTM A105 (Carbon Steel Flange)
Design Temperature 260°C

Carbon Steel Flanges Types

  • Slip On Flange
  • Reducing Flanges
  • Weld Neck Flange
  • Threaded Flange
  • Socket Weld Flange
  • Blind Flange

Coating Types of Carbon Steel Flange Material

  • Oil Varnished
  • Alloy Material Coated (Lined or Clad)
  • Anti-rust Painting
  • Electric Zinc Coated (White or Yellow Zinc)

Test Requirements For Carbon Steel Blind Flange

Test Requirements For Carbon Steel Blind Flange

Carbon Steel Reducing Flange Chemical Composition

A Carbon Steel Flange Supplier in India Guarantees That the Flanges Chemical Compositions Are Accurate

Elements Composition, in %
Sulfur, [S] ≤0.40
Chromium, [Cr] ≤0.30
Silicon, [Si] 0.10-0.35
Vanadium, [V] ≤0.08
Phosphorus, [P] ≤0.35
Carbon, [C] ≤0.35
Molybdenum, [Mo] ≤0.12
Nickel, [Ni] ≤0.40
Manganese, [Mn] 0.60-1.05
Copper, [Cu] ≤0.40

Physical Properties of Carbon Steel Flanges

Propertise Values
Melting Point 2740(°F)
Specific Heat 0.107 (Btu/lb/Deg F - [32-212 Deg F])
Density 0.284(lb / cu. in.)
Modulus of Elasticity Torsion 11
Thermal Conductivity 360 W/m-K
Mean Coeff Thermal Expansion 6.7
Specific Gravity 7.9
Modulus of Elasticity Tension 30

Carbon Steel Slip on Flanges Face Types

Carbon Steel Slip on Flanges Face Types

What is the Carbon Steel Forged Blind Flange Testing Process ?

  • Dimensional Inspection
  • Hydrostatic Testing
  • Visual Inspection
  • Radiographic Testing
  • Ultrasonic Testing

Mechanical Properties of Carbon Steel Forged Flanges

Tensile Strength in min. Yield Strength in min. Elongation in min. Reduction of Area, in min. Hardness
ksi MPa ksi MPa % % HBW
70 ksi 485 MPa 36 ksi 250 MPa 22 % 30 % 137-187 HBW

Applications of Carbon Steel Flanges

Applications of Carbon Steel Flanges

Carbon Steel BLRF Flange Equivalent Grades

ASTM ASME UNS EN Normalized
ASTM A105 ASME SA 105 K03504 EN 10460 A105n/ SA 105n

How CS Flanges Should Be Used ?

  • Regular Inspection
  • Ensure Normal Used
  • Proper Cleaning
  • Thickness of the Gasket
  • Securing Loose Bolts
  • Measurement Accuracy
  • Lubricating the Flange Joints

Carbon Steel Flanges Were Supplied to the Countries Below

Country Name Flag Country Name Flag
Nigeria Nigeria Algeria Algeria
South Africa South Africa Tunisia Tunisia
Ghana Ghana Zambia Zambia
Tanzania Tanzania UAE UAE
Angola Angola Kenya Kenya
Ethiopia Ethiopia Egypt Egypt
Dubai Dubai Morocco Morocco