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Mild Steel Flanges

Mild Steel Flanges

Mild Steel Flanges Quick Information
Sizes  1/2" to 48" (15NB) to (1200NB)
Thread Types BSPP, NPT, BSPT, MNPT
Class 150 to 2500 Class
ASME Standard ASME B16.5 , ASME B16.47 , MSS SP 44
Coatings Yellow Transparent, Oil Black Paint, Zinc Plated
Types Threaded Flange
Lap Joint Flange
Blind Flange
Reducing Flange
Weld Neck Flange
Slip On Flange
Lap Joint Flange
Socket Weld Flange
MTC: EN 10204 3.1 & 3.2

MS SORF Flange Manufacturer in India

Mild Steel Flanges

Mild Steel Flanges

MS SORF Flange

MS SORF Flange

Mild Steel Blind Flange

Mild Steel Blind Flange


Table of Contents


Mild Steel Flanges Specification

Mild Steel Flanges Sizes

  • 1/2″ to 48″
  • DN10 - 5000
  • 15 NB – 1200 NB



Sizes

MS Socket Weld Flange Standards

  • ASME B16.5
  • ANSI B16.44
  • ASME B16.47 Series A & B
  • MSS SP-44

Standards

Mild Steel SWRF Flange Thread Types

  • BSPP
  • MPT, BSP
  • NPT, FPT
  • FNPT, MNPT
  • BSPT
Thread Types

Mild Steel SWRF Flange Origin

  • Janpanese
  • European
  • Korean
  • American


Origin

Q235 Mild Steel Forged Flange Face Types

  • RF
  • RTJ
  • M&F
  • T&G
  • FF

Face Types

MS Socket Weld Flange Testing Requirements

  • Impact Test
  • Hardness Test
  • Visual Inspection
  • Shell Pressure Test
  • Tensile Test
  • Material Inspection
Testing Requirements

Mild Steel Long Weld Neck Flange Types

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


Types

S275 Mild Steel Threaded Flange Manufacturing Methods

  • Stamping
  • Forged
  • Rolled
  • CNC Machining
  • Drilling
  • Turning
  • Milling
Manufacturing Methods

Grade S275 Mild Steel Plate Flanges EN Standard

  • 6 Bar
  • 10 Bar
  • 16 Bar
  • 25 Bar
  • 40 Bar


EN Standard

MS Spectacle Blind Flange Pressure Class

  • Class 300
  • Class 1500
  • Class 150
  • Class 2500
  • Class 600
  • Class 900
Pressure Class

Mild Steel Turbo Flange Schedule

  • SCH 10/ 20/ 40
  • SCH 60/ 80/ 100
  • SCH 120/ 140
  • SCH 160/ 180


Schedule

ASTM B564 Inconel Reducing Flange Coating Methods

  • Anti-Rust
  • Oil Varnished
  • Electric Zinc
  • Yellow Transparent

Coating Methods

Applications of Mild Steel Long Weld Neck Flange

  • Power Generation Plant
  • Industrial Pressure Vessels
  • Petrochemical Plants
  • Water Treatment
  • Construction & Heat Exchanger


Applications

MS Raised Face SlipOn Flange Certificates

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





Certificates

Value Added Services of MS Blind Flange

  • Metal Stampings
  • Electroplating
  • Forging
  • Minor Fabrication
  • Drilling
  • Threading
  • CNC Machined
  • Casting
Services

Mild Steel Blind Flange Supplier in Mumbai Provide Class PN6 To PN16

Mild Steel Reducing Flange Pressure Rating

Temp in °F Pressure Rating of Mild Steel Blind Flange
2500# 1500# 900# 600# 400# 300# 150#
1500 230 135 80 55 35 25 10
1450 285 170 105 70 45 35 15
1400 400 240 145 95 65 50 20
1350 515 310 185 125 80 60 20
1300 715 430 255 170 115 85 20
1250 945 565 340 225 150 115 20
1200 1285 770 465 310 205 155 20
1150 1655 995 595 400 265 200 20
1100 2145 1285 770 515 345 255 20
1050 2570 1545 925 615 410 310 20
1000 2675 1605 965 640 430 320 20
950 3180 1910 1145 765 510 380 35
900 3240 1945 1165 780 520 390 50
850 3300 1980 1190 790 530 395 65
800 3360 2015 1210 805 540 405 80
750 3460 2075 1245 830 555 415 95
700 3540 2125 1275 850 565 425 110
650 3580 2150 1290 860 575 430 125
600 3640 2185 1310 875 580 435 140
500 3880 2330 1395 930 620 465 170
400 4140 2485 1490 995 660 495 190
300 4500 2700 1620 1080 720 540 205
200 5000 3000 1800 1200 800 600 230
-20 to 100 6000 3600 2160 1440 960 720 275

Class 150 MS Raised Face Slip On Flange Dimensions in MM And Weight Chart

Mild Steel Flange Dimensions

A Large Variety of Flange Dimensions Are Available From an Indian Manufacturer of Mild Steel Flanges

Ms Flange Dimensionss

DN D C2 C1 d1 A R H2 S H3 B1 N1 f1 N2 H1
350 520 30 35 438 355,6 12 82 8,0 16 359 390 2 400 57
300 460 28 32 378 323,9 12 78 7,1 16 327,5 344 2 350 46
250 405 26 29 320 273 12 70 6,3 16 276,5 292 2 298 46
200 340 24 26 268 219,1 10 62 5,6 16 221,5 235 2 246 44
150 285 22 24 212 168,3 10 55 4,5 12 170,5 192 2 195 44
125 250 22 22 188 139,7 8 55 4,0 12 141,5 156 2 168 44
100 220 20 22 158 114,3 8 52 3,6 12 116 131 2 140 40
80 200 20 20 138 88,9 8 50 3,2 10 90,5 105 2 118 34
65 185 18 20 122 76,1 6 45 2,9 10 77,5 90 2 104 32
50 165 18 19 102 60,3 6 45 2,9 8 61,5 75 2 84 28
40 150 16 18 88 48,3 6 42 2,6 7 49,5 64 2 70 26
32 140 16 18 78 42,4 6 40 2,6 6 43,5 56 2 60 26
25 115 16 16 68 33,7 4 38 2,6 6 34,5 46 2 52 24
20 105 14 14 58 26,9 4 38 2,3 6 27,5 39 2 45 24
15 95 14 14 45 21,3 4 35 2,0 6 22 32 2 35 20
10 90 14 14 40 17,2 4 35 1,8 6 18 28 2 30 20

Mild Steel Flange Weight Chart

Sizes in (Inches) Size of ISO Stud Sizes in (MM) RF Stud Length Flange Thickness Machine Bolt Length Outside Daimeter Number of Bolts UNC Bolt Size RF Daimeter Weight in (kg) PCD Hole Size
B A C E
24 M33 600 170 46.1 150 815 20 1 1/4 692.2 196 749.3 1 3/8
20 M30 500 160 41.3 140 700 20 1 1/8 584.2 130 635 1 1/4
18 M30 450 145 38.1 125 635 16 1 1/8 533.4 100 577.9 1 1/4
16 M27 400 135 35 115 595 16 1 469.9 82 539.8 1 1/8
14 M27 350 135 33.4 115 535 12 1 412.8 64 476.3 1 1/8
12 M24 300 120 30.2 100 485 12 7/8 381 50 431.8 1
10 M24 250 115 28.6 100 405 12 7/8 323.8 32 362 1
8 M20 200 110 27 90 345 8 3/4 269.9 20.5 298.5 7/8
6 M20 150 100 23.9 85 280 8 3/4 215.9 11.8 241.3 7/8
5 M20 125 95 22.3 85 255 8 3/4 185.7 9.1 215.9 7/8
4 M16 100 90 22.3 75 230 8 5/8 157.2 7.7 190.5 3/4
3 1/2 M16 90 90 22.3 75 215 8 5/8 139.7 5.9 177.8 3/4
3 M16 80 90 22.3 75 190 4 5/8 127 4.1 152.4 3/4
2 1/2 M16 65 90 20.7 75 180 4 5/8 104.8 3.2 139.7 3/4
2 M16 50 85 17.5 70 150 4 5/8 92.1 2.3 120.7 3/4
1 1/2 M14 40 70 15.9 65 125 4 1/2 73 1.8 98.4 5/8
1 M14 25 65 12.7 55 110 4 1/2 50.8 0.9 79.4 5/8
1/2 M14 15 55 9.6 50 90 4 1/2 34.9 0.9 60.3 5/8
Mild Steel Ring Flange Thickness Chart And HSN Code

Thickness Chart of MS SORF Flange

Sizes Outside Daimeter of Flange Diameter of Bolt Thickness Numbet of Holes Diameter of Bore
(NB) (MM) (MM) (MM)   (MM)
400 596.9 25.4 36.5 16 410.50
350 533.4 25.4 34.9 12 349.20
300 482.6 22.2 31.8 12 327.20
250 406.4 22.2 30.2 12 276.40
200 342.9 19.1 28.6 8 221.50
150 279.4 19.1 25.4 8 170.70
125 254.0 19.1 23.8 8 143.80
100 228.6 15.9 23.8 8 116.10
80 190.5 15.9 23.8 4 90.70
65 177.8 15.9 22.2 4 74.70
50 152.4 15.9 19.1 4 62
40 127.0 12.7 17.5 4 49.50
32 117.5 12.7 15.9 4 43.20
25 108.0 12.7 14.3 4 34.50
20 98.4 12.7 12.7 4 27.70
15 88.9 12.7 11.1 4 22.40

Mild Steel Flanges HSN Code

HS Code Country
Belgium 73072100
United States 730721
Netherland 7307 9100
India 73072100
Canada 730721
Call Now For MS Lap Joint Flange Custom Sizes For Petrochemical Industries

Applications of Mild Steel Flanges

Applications of Mild Steel Flanges

Standards of MS Raised Face Slip On Flange

  • ASME B16.5
  • ASME B16.47
  • ANSI B16.38
  • ANSI B16.44
  • MSS SP 44

Q235 Mild Steel Orifice Flange Corrosion Behaviour

Heat-treated samples IcorrCorrosion (mmpy) Corrosion (μΑ) Potential Ecorr(mV)
Annealed 0.00002 1.8350 -300.9130
Hardened 0.13340 11.4900 -520.2330
Control 1.88080 162.0830 -430.2290
Normalized 0.19680 16.9620 -461.8100
Tempered 0.00044 38.4630 -407.6290

Bolting Chart of MS Lap Joint Flange

DN Sizes K L No
(Millimetre) (Millimetre) (Millimetre) (Millimetre) -
800 M36 950 39 24
700 M33 840 36 24
600 M33 770 36 20
500 M30 650 33 20
450 M27 585 30 20
400 M27 525 30 16
350 M24 470 26 16
300 M24 410 26 12
250 M24 355 26 12
200 M20 295 22 12
150 M20 240 22 8
125 M16 210 18 8
100 M16 180 18 8
80 M16 160 18 8
65 M16 145 18 8
50 M16 125 18 4
40 M16 110 18 4
32 M16 100 18 4
25 M12 85 14 4
20 M12 75 14 4
15 M12 65 14 4
10 M12 60 14 4

Types of Mild Steel Ring Flange

A Variety of Mild Steel Flanges Are Available From an Indian Supplier to Meet the Needs of Customers

MS Raised Face Slip On Flange

MS Raised Face Slip On Flange

MS Lap Joint Flange

MS Lap Joint Flange

Q235 Mild Steel Orifice Flange

Q235 Mild Steel Orifice Flange

MS Spectacle Blind Flange

MS Spectacle Blind Flange

Mild Steel Long Weld Neck Flange

Mild Steel Long Weld Neck Flange

MS Pipe Flange

MS Pipe Flange

MS Socket Weld Flange

MS Socket Weld Flange

S275 Mild Steel Threaded Flange

S275 Mild Steel Threaded Flange

Mild Steel BLRF Flange

Mild Steel BLRF Flange

Grade S275 Mild Steel Plate Flanges

Grade S275 Mild Steel Plate Flanges

Mild Steel SWRF Flange

Mild Steel SWRF Flange

MS Weld Flange

MS Weld Flange

Q235 Mild Steel Forged Flange

Q235 Mild Steel Forged Flange

MS Weld Neck Flange

MS Weld Neck Flange

Mild Steel Reducing Flange

Mild Steel Reducing Flange

MS Spectacle Blind Flange Temperature Range

Property Values
Service Temperature 0 – 500 °C
Melting Temperature 1370 – 1400 °C

Manufacturing Process of Mild Steel Flanges

  • Surface Finishes Are Applied
  • Material is Cut
  • Checked for Surface Crack
  • Then Forged
  • Heat Treatment is Given

Coating Method For Mild Steel Slip on Flange

Coating Method For Mild Steel Slip on Flange

Mild Steel Reducing Flange Manufacturing Equipment

  • Pushing Machine
  • Sand-blasting Machine
  • Electric Bevelling Machine
  • Bending Machine
  • Press Machine

Heat Treatment of S275 Mild Steel Threaded Flange

Methods Temperature
Annealing 870°C – 910°C
Tempering 150°C – 200°C
Normalizing 890°C – 940°C
Stress Relieving 500°C – 700°C
Forging 1150°C – 1280°C

MS Raised Face Slip On Flange Face Types

MS Raised Face Slip On Flange Face Types

Testing of MS Socket Weld Flange

  • Hydrostatic Testing Machine
  • Magnetic Particle Detector
  • UI Trasonic Flaw Detector
  • X-ray Detector
  • Direct-reading Spectrograph

S275 Mild Steel Threaded Flange Electrical Resistivity

Electrical Properties Metric in Ω-cm
@ 200 °C/392 °F 0.0000293 Ω-cm
@100 °C/ 212 °F 0.0000219 Ω-cm
Electrical resistivity @0°C (32°F) 0.0000159 Ω-cm

Key Features of Mild Steel Flanges

  • Versatility
  • Durability
  • Ease of Installation
  • Material Properties

Mild Steel Blind Flange Chemical Composition

Elements C, (Carbon) P, (Phosphorous) S, (Sulfur) Mn, (Manganese) Fe, (Iron)
Values 0.14 – 0.20 % ≤ 0.040 % ≤ 0.050 % 0.60 – 0.90 % 98.81 – 99.26 %

Mechanical Properties of Mild Steel Long Weld Neck Flange

An Indian Supplier of Mild Steel Flanges Provides Flanges With Exceptional Mechanical Qualities

Properties Metric Imperial
Machinability 70 % 70 %
Modulus of Elasticity 205 GPa 29700 ksi
Hardness, Vickers 131 131
Reduction of Area 40.0 % 40.0 %
Hardness, Brinell 126 126
Tensile Strength, Ultimate 440 MPa 63800 psi
Shear Modulus 80.0 GPa 11600 ksi
Elongation 15.0 % 15.0 %
Rockwell B Hardness 71 71
Bulk Modulus 140 GPa 20300 ksi
Tensile Strength Yield 370 MPa 53700 psi
Poissons Ratio 0.290 0.290
Hardness Knoop 145 145

Which Mild Steel Flanges Are Best ?

  • Inner Diameter
  • Outside Diameter
  • Nominal Bore Size
  • Bolt Circle Diameter
  • Thickness
  • Pipe Size

Physical Properties of MS Spectacle Blind Flange

Properties Metric Imperial
Density 7.87 g/cc 0.284 lb/in3

Benefits of Using Mild Steel Flanges

Benefits of Using Mild Steel Flanges

Documentaion Provided for Mild Steel Blind Flange

  • Commercial Invoice
  • Heat Treatment Charts
  • Raw Material Test Reports
  • NABL Approved Laboratory Test Reports
  • Fumigation Certificates
  • Guarantee Letter
  • Material Test Certificates

Mild Steel Flanges Were Supplied to the Countries Below

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