+91-22-67521137
Vishal Steel India
Contact Person

Gautam Mehta

+91-22-23898841

Factory Address:

Plot No. 749/77/5, G.I.D.C. Estate, Makarpura, Vadodara -390010.

20Mn5 Steel Flange

20Mn5N Blind Flange and Carbon Steel C22 Forging manufacturer in India


20Mn5 Steel Flange

Table Of Content:



20mncr5 Specification


Specifications 20Mn5 Steel Flange
Manufacturer Length NPS 1⁄₂" Inch To NPS 48” Inch
Flange Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Supporting Material Gasket/ Ring Joint/ Flange Bolts
Flange Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Forging Methods Forging & Casting, Rolling & Cutting
Face Type RTJ/ RF/ FF
Schedule Chart SCH 5S To XXS.
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Packing Plywood Pallet And Plywood Box
Productivity 800 ton per month
Production Technique Forged/ Heat treated and machined
Manufacturer of Forged/ Threaded/ Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Transportation Ocean And Air
Supply Ability 700 Ton Per Month
JIS Standard 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
Brand Vishal Steel
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.

20mncr5 Material Price In India


Type Of Flange Size In Inch SCH Class Grade Price In INR (India) Per Piece
Blind Flange 3/4 40 150 20Mn5 Alloy Steel 120.00
- 1 40 150 - 143.00
- 1-1/2 40 150 - 234.00
- 2 40 150 - 387.00
Blind 4 40 150 - 534.00
Weld Neck Flange 2 STD 150 - 310.00
- 4 STD 300 - 650.00
- 6 80 300 - 987.00
- 8 80 300 - 1342.00
Weld Neck 10 80 300 20Mn5 Alloy Steel 1983.00
Slip On Flange 2 40 150 - 187.00
- 3 40 150 - 347.00
- 4 80 300 - 543.00
- 6 80 300 - 950.00
Slip On 8 80 300 20Mn5 Alloy Steel 1387.00

Raised/ flat faced 20Mn5V Threaded Flange and Carbon Steel 20Mn5 Forged Flange manufacturer in India


Types Of 20Mn5 Steel Flange Material


Werkstoff 20mn5 Flange

Werkstoff 20mn5 Flange

20mn5 Steel Flange

20mn5 Steel Flange

20mn5v Steel Flange

20mn5v Steel Flange

20mn5 Blind Flange

20mn5 Blind Flange

20mn5 Slip On Flange

20mn5 Slip On Flange

20mn5 Weld Neck Flange

20mn5 Weld Neck Flange

Din 17182 Grade Gs-20mn5 Threaded Flange

Din 17182 Grade Gs-20mn5 Threaded Flange

20mn5 Plate Flange

20mn5 Plate Flange

20mn5 En 10250-2 Socket Weld Flange

20mn5 En 10250-2 Socket Weld Flange

20mncr5 Grade Forged Flange

20mncr5 Grade Forged Flange

EN 20Mn5 Steel Grades Flange

EN 20Mn5 Steel Grades Flange

Alloy Cast Gs 20mn5 Steel Flange

Alloy Cast Gs 20mn5 Steel Flange

Custom High Chrome 20mn5 Flange

Custom High Chrome 20mn5 Flange

Gs20mn5 Material

Gs20mn5 Material

Gs-20mn5 Welding Flange

Gs-20mn5 Welding Flange

20mncr5 Din 17210 Flange

20mncr5 Din 17210 Flange

20mncr5 Din En 10084 Flange

20mncr5 Din En 10084 Flange

EN 1.1133 (20Mn5) Non-Alloy Steel Flange

EN 1.1133 (20Mn5) Non-Alloy Steel Flange

20Mn5 Alloy Steel Flange

20Mn5 Alloy Steel Flange

DIN G 20 Mn 5 Low Alloy Flange

DIN G 20 Mn 5 Low Alloy Flange

20mn5 Steel Pipe Flange

20mn5 Steel Pipe Flange

20Mn5 European Casting steel Flange

20Mn5 European Casting steel Flange

EN 20Mn5 -Special Alloy Flange

EN 20Mn5 -Special Alloy Flange

DIN 17182 Grade GS-20Mn5 Flange

DIN 17182 Grade GS-20Mn5 Flange


20mn5 Steel Equivalent


EU EN France AFNOR China GB Russia GOST
20Mn5 Steel Flange 20M5 10Mn2 20G 20GSL

Gs-20mn5 Chemical Composition


Cr(％) Ni(％) Mo(％) C(％) Si(％) Mn(％) P(％) S(％)
0.40 0.40 0.10 0.17-0.23 0.40 1.00- 1.50 0.035 0.035

20mn5 Mechanical Properties


As-Heat-Treated Condition Brinell hardness (HBW) Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)
Solution and Aging, Annealing, Ausaging, Q+T,etc 133 352 (≥) 362 (≥) 21 11 22

20mn5 Hardness


Brinell Hardness 170 to 180

20mncr5 Heat Treatment Process


Treatment Condition Temperature cycle Cooling/quenching
Stress relieve annealing

650 - 680

In air

 -
+FP

630 - 650

Keeping about 3 hours, after that: in air

 -
Normalizing

860 - 890

In air

 -
Carburizing

860 - 900

In air

 -
Tempering

150 - 200

In air

 -
+FP

950 - 1 000

Quickly to following stage

 -
Hardening

830 - 870

Quenching in oil or water

 -
Hot forging

850 - 1 200

Slowly or in air

 -
Annealing +A

670 - 710

Slowly (15°C/h) until 600°C

Difference Between 20mncr5 And 16mncr5


Difference Between 20mncr5 And 16mncr5

Difference Between 20mncr5 And En 353


Difference Between 20mncr5 And En 353

Check Sealing face DIN 17182 Grade GS-20Mn5 Plate Flange and 20Mn5N Steel Slip On Flange Material Pressure Class & Dimensions


20mncr5 Standard


20mncr5 Standard
  • BS 4504
  • ASME B16.5
  • ANSI B16.5
  • MSS SP-44
  • EN 1092-2 PN16
  • DIN
  • EN 1092-1
  • AWWA C207
  • JIS
  • ISO

20mncr5 Density


Density
7.8 g/cm3 490 lb/ft3

20Mn5 Steel Flange Tensile Strength


Quantity Value Unit
Tensile strength 650 - 880 MPa

20Mn5N Flanges Yield Strength


Quantity Value Unit
Yield strength 350 - 550 MPa

20Mn5V Flanges Physical Properties


Quantity Value Unit
Resistivity 0.55 - 0.55 Ohm.mm2/m
Density 7700 - 7700 kg/m3
Melting temperature 1450 - 1510 °C
Specific heat 460 - 460 J/kg.K

Carbon Steel C22 Flanges Thermal Properties


Quantity Value Unit
Thermal expansion 10 - 10 e-6/K
Thermal conductivity 25 - 25 W/m.K

Hydro-tested 20Mn5N Alloy Steel Weld Neck Flange and EN 10250-2 Orifice Flanges supplier in India

Steel 20Mn5 Specifications And Size


Steel grade Specification Processing range(mm)
20Mn5 Round bar Φ1 to Φ2000
20Mn5 Square-shape steel/Flate bar 10 to 1000
20Mn5 Steel Plate/Sheet 0.08 to 800(T)*10 to 1500(W)*Long
20Mn5 Forging donuts/cubes/Pipe/tube/slugs shapes

Primary Elements Of 20mn5 Steel


Primary Elements
Elements Min Maximum
Fe (Iron ) Bal -
C (Carbon ) 0.17 0.23
Si (Silicon ) 0 0.6
Ni (Nickel ) 0 0.8
Mn (Manganese ) 1
Mo (Molybdenum ) 0 0.12

Other Elements Of Werkstoff 20mn5


Other Elements
Elements Minimum Maximum
Cr (Chromium ) 0 0.3
Cu (Copper ) 0 0.3
P (Phosphorus ) 0 0.02
S (Sulphur ) 0 0.03
V (Vanadium ) 0 0.03

Contact directly 20Mn5V Steel Socket Weld Flange and EN 1.1133 Lap Joint Flange manufacturer in India for factory price and custom sizes

20mn5 Blind Flange Dimensions


20mn5 Blind Flange Dimensions
(Normal Size Of Steel Pipe) In Inch Outer Daimeter Of
(A)		 WT Of (B)
 RF Daimeter Of
(C)		 (D)
(B.C.D.)		 # BLRF Flanges Bolts
Holes		 Daimeter Of BLRF Bolt Holes
 Weight In Kilogram (KG)
1/2 3-1/2 7/16 1-3/8 2-3/8 4 5/8 2
3/4 3-7/8 1/2 1-11/16 2-3/4 4 5/8 2
1 4-1/4 9/16 2 3-1/8 4 5/8 2
1-1/4 4-5/8 5/8 2-1/2 3-1/2 4 5/8 3
1-1/2 5 11/16 2-7/8 3-7/8 4 5/8 3
2 6 3/4 3-5/8 4-3/4 4 3/4 4
2-1/2 7 7/8 4-1/8 5-1/2 4 3/4 7
3 7-1/2 15/16 5 6 4 3/4 9
3-1/2 8-1/2 15/16 5-1/2 7 8 3/4 13
4 9 15/16 6-3/16 7-1/2 8 3/4 17
5 10 15/16 7-5/16 8-1/2 8 7/8 20
6 11 1 8-1/2 9-1/2 8 7/8 27
8 13-1/2 1-1/8 10-5/8 11-3/4 8 7/8 47
10 16 1-3/16 12-3/4 14-1/4 12 1 67
12 19 1-1/4 15 17 12 1 123
14 21 1-3/8 16-1/4 18-3/4 12 1-1/8 139
16 23-1/2 1-7/16 18-1/2 21-1/4 16 1-1/8 187
18 25 1-9/16 21 22-3/4 16 1-1/4 217
20 27-1/2 1-11/16 23 25 20 1-1/4 283
24 32 1-7/8 27-1/4 29-1/2 20 1-3/8 415

20Mn5 Carbon Steel Forging Weight In KG


Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 150 Flange ½  1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
1¼ 3 3 3 3 3 3
1½  3 3 3 3 4 4
2 5 5 5 5 5 6
2½  8 8 8 8 7 10
3  9 9 9 9 9 11.5
3½  11 12 11 11 13 12
4  13 13 13 13 17 16.5
5  15 15 15 15 20 21
6  19 19 19 19 27 26
8  30 30 30 30 47 42
10  43 43 43 43 70 54
12  64 64 64 64 123 88
14  90 90 90 105 140 114
16  106 98 98 140 180 140
18  130 130 130 160 220 165
20  165 165 165 195 285 197
22  185 185 185 245 355 225
24  220 220 220 275 430 268
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 300 Flange ½ 2 2 3 2 2 2
¾ 3 3 3 3 3 3
1  3 3 3 3 4 4
1¼ 4.5 4.5 4 4.5 6 5
1½  6.5 6.5 6 6.5 7 7
2  7 7 7 7 8 9
2½  10 10 10 10 12 12
3  13 14 13 14.5 16 18
3½  17 17 17 17 21 20
4  23.5 24 22 24 28 26.5
5  29 31 28 28 37 36
6  39 39 39 39 50 45
8 58 58 58 58 81 69
10 81 81 81 91 124 100
12 115 115 115 140 185 142
14 165 165 165 190 250 206
16 210 220 190 234 315 250
18 253 280 250 305 414 320
20 315 325 315 375 515 400
22 370 370 370 435 640 465
24 490 490 475 550 800 580
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 400 Flange ½  2 2 2 2 2 3
¾ 3 3 3 3 3 3.5
1 3.5 3.5 3.5 3.5 4 4
1¼ 4.5 4.5 4.5 4.5 6 4.5
1½  6.5 6.5 6.5 6.5 8 8
2  8 8 8 8 10 10
2½  12 12 12 11 15 14
3  15 15 15 14 20 18
3½  21 21 21 20 29 26
4  26 26 26 25 33 35
5  31 31 31 29 44 43
6  44 44 44 42 61 57
8  67 67 67 64 100 89
10  91 91 91 110 155 125
12  130 130 130 152 226 175
14  191 191 191 210 310 233
16  253 253 253 280 398 295
18   nbsp; 310 310 310 345 502 360
20  378 378 378 420 621 445
22  405 405 405 455 720 505
24  539 539 539 615 936 640
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 600 Flange ½ 2 2 2 2 3 3
¾ 3 3 3 3 4 4
1  4 4 4 4 4 4
1¼ 5 5 5 5 6 6
1½  7 7 7 7 8 8
2  9 9 9 9 10 12
2½  13 13 13 12 15 18
3  16 16 16 15 20 23
3½  21 21 21 20 29 26
4  37 37 37 36 41 42
5  63 63 63 63 68 68
6  80 80 80 78 86 81
8 115 15 15 112 140 120
10 177 177 177 195 231 190
12 215 215 215 240 295 226
14 259 259 259 290 378 347
16 366 366 366 400 527 481
18 476 476 476 469 665 555
20 612 612 612 604 855 690
22 590 590 590 670 1000 720
24 876 876 876 866 1250 977
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 900 Flange ½  6 6 6 6 4 7
¾ 6 6 6 6 6 7
1 7.5 7.5 7.5 7.5 9 8.5
1¼ 10 10 10 10 10 10
1½  14 14 14 14 14 14
2  22 22 22 21 25 24
2½  31 31 31 25 32 31
3  36 36 36 29 35 36
4  53 53 53 51 54 53
5  83 83 83 81 87 86
6  110 110 110 105 115 110
8  172 172 172 190 200 187
10  245 245 245 277 290 268
12  326 326 326 371 415 372
14  400 400 400 415 520 562
16  459 459 459 488 619 685
18  647 647 647 670 880 924
20  792 792 792 868 1107 1164
24  1480 1480 1480 1659 2099 2107
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 1500 Flange ½ 6 6 6 6 4 7
¾ 6 6 6 6 6 7
1  8 8 8 8 9 9
1¼ 10 10 10 10 10 10
1½  14 14 14 14 14 14
2  25 25 25 25 25 25
2½  36 36 36 35 35 36
3  48 48 48 47 48 48
4  73 73 73 75 73 73
5  132 132 132 140 140 132
6  165 165 165 170 160 165
8  260 260 260 286 302 275
10 436 436 436 485 510 455
12 667 667 667 749 775 690
14 940 940 940 890 975 940
16 1250 1250 1250 1250 1300 1250
18 1625 1625 1625 1475 1750 1625
20 2050 2050 2050 1775 2225 2050
24 2825 2825 2825 2825 3625 3325
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 2500 Flange ½  …. 7 …. 7 7 8
¾ …. 9 …. 8 10 9
1 …. 12 …. 12 12 13
1¼ …. 18 …. 17 18 20
1½  …. 25 …. 24 25 28
2  …. 38 …. 37 39 42
2½  …. 55 …. 53 56 52
3  …. 83 …. 80 86 94
4  …. 127 …. 122 133 146
5  …. 210 …. 204 223 244
6  …. 323 …. 314 345 378
8  …. 485 …. 471 533 576
10  …. 925 …. 897 1025 1068
12  …. 1300 …. 1262 1464 1608

20Mn5 Alloy Steel Flange Temperature Ratings


- Temperature °C
MS 385
AC1 731
AC3 831

Sizes Of DIN G 20 Mn 5 Low Alloy Flange


Normal Pipe Size

DN

1/2

15

3/4

20

1

25

1 1/4

32

 1 1/2

40

2

50

2 1/2

65

3

80

4

100

Thickness Of Gs20mn5 Material


Normal Size Of Pipe Outer Diameter (O.D.) 10 Schedule 20 Schedule 30 Schedule STD Wall 40 Schedule 60 Schedule EXT Hvy 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Schedule XX Hvy
½ 0.84 0.083 ... ... 0.109 0.109 ... 0.147 0.147 ... ... ... 0.188 0.294
¾ 1.05 0.083 ... ... 0.113 0.113 ... 0.154 0.154 ... ... ... 0.219 0.308
1 1.315 0.109 ... ... 0.133 0.133 ... 0.179 0.179 ... ... ... 0.25 0.358
1 ¼ 1.66 0.109 ... ... 0.14 0.14 ... 0.191 0.191 ... ... ... 0.25 0.382
1 ½ 1.9 0.109 ... ... 0.145 0.145 ... 0.2 0.2 ... ... ... 0.281 0.4
2 2.375 0.109 ... ... 0.154 0.154 ... 0.218 0.218 ... ... ... 0.344 0.436
2 ½ 2.875 0.12 ... ... 0.203 0.203 ... 0.276 0.276 ... ... ... 0.375 0.552
3 3.5 0.12 - - 0.216 0.216 - 0.3 0.3 - - - 0.438 0.6
3 ½ 4 0.12 - - 0.226 0.226 - 0.318 0.318 - - - - 0.636
4 4.5 0.12 - - 0.237 0.237 - 0.337 0.337 - 0.438 - 0.531 0.674
5 5.563 0.134 - - 0.258 0.258 - 0.375 0.375 - 0.5 - 0.625 0.75
6 6.625 0.134 - - 0.28 0.28 - 0.432 0.432 - 0.562 - 0.719 0.864
8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875
10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1
12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1
14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406 -
16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594 -
18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781 -
20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969 -
22 22 0.25 - - 0.375 - - 0.5 - - - - - -
24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 -
26 26 - - - 0.375 - - 0.5 - - - - - -
30 30 0.312 0.5 0.625 0.375 - - 0.5 - - - - - -

Custom High Chrome 20mn5 Flange Bolt Chart


Custom High Chrome 20mn5 Flange Bolt Chart
Custom High Chrome 20mn5 Flange Bolt Chart

Forging Process Of 20Mn5 Alloy Steel Flange


Forging Process Of 20Mn5 Alloy Steel Flange

EN 20Mn5 Steel Grades Flanges Face Types


EN 20Mn5 Steel Grades Flanges Face Types

  • Type A: Flat Face (FF)
  • Type B: Raised Face (RF)
  • Type C: Tongue Face (TF)
  • Type D: Grooved Face (GF)
  • 1Type E: Spigo
  • Type F: Recess
  • Type G: Ring Recess
  • Type H: O-Ring Groove

Vishal Steel India
Types Of Piping Materials

Vishal Steel India