+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.

P355QH1 Steel Flange

DIN 1.0571 Blind Flange and EN 10222-4 P355QH1 Slip On Flange manufacturer in India


P355QH1 Steel Flange

Table Of Content:



P355qh1 Steel Flange Specification


Specification P355QH1 Steel Flange
Forging Methods Casting/ Forging/ Rolling/ Cutting
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Supporting Material Gasket/ Ring Joint/ Flange Bolts
Manufacturer of Forged/ Threaded/ Screwed / Plate
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Flange Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Dimensions And Standard ASME B16.5
Production Technique Forged/ Heat treated and machined
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Flange Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Manufacturer Length NPS 1⁄₂" To NPS 48”
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.

EN 1092-1 P355QH1 Welding Neck Flanges Price


Nominal Diameter Nominal pipe size in mm Pitch Circle Diameter In mm Thread holes Standard Pressure Price In INR (India) Per Piece
DN 20 3/4" (26,9) 75 4 x 14 mm Ø EN 1092-1 P355QH1 416.00
DN 25 1" (33,7) 85 4 x 14 mm Ø - - 644.00
DN 32 1.1/4" (42,4) 100 4 x 18 mm Ø - - 862.00
DN 40 1.1/2" (48,3) 110 4 x 18 mm Ø - - 1150.00
DN 50 2" (60,3) 125 4 x 18 mm Ø - - 1376.00
DN 65 76,1 145 4 x 18 mm Ø - - 1552.00
DN 80 88,9 160 8 x 18 mm Ø - - 1980.00
DN 100 108 180 8 x 18 mm Ø - - 2373.00
DN 100 114,3 180 8 x 18 mm Ø - - 2492.00
DN 125 133 210 8 x 18 mm Ø - - 2979.00
DN 125 139,7 210 8 x 18 mm Ø - - 3259.00

Check p355qh1 en 10222-4 Socket Weld Flange and 1.0571 Steel Orifice Flanges Material Torque Tightening


Types Of P355qh1 Material


P355qh1 Steel Flange

P355qh1 Steel Flange

P355qh1 Flange

P355qh1 Flange

P355qh1 Pipe Flange

P355qh1 Pipe Flange

P355qh1 Forging Flange

P355qh1 Forging Flange

P355qh1 Forged Flange

P355qh1 Forged Flange

En 10222-4 P355qh1 Flange

En 10222-4 P355qh1 Flange

P355qh1 Steel Blind flange

P355qh1 Steel Blind flange

En 1092-1 P355qh1 Weld Neck Flange

En 1092-1 P355qh1 Weld Neck Flange

Steel P355qh1 Slip On Flange

Steel P355qh1 Slip On Flange

Werkstoff P355qh1 Threaded Flange

Werkstoff P355qh1 Threaded Flange

P355qh1 Quenched Steel Socket Weld Flange

P355qh1 Quenched Steel Socket Weld Flange

Quenched Steel P355qh1 Lap joint flange

Quenched Steel P355qh1 Lap joint flange

Weldable Fine Grain Steels Flange

Weldable Fine Grain Steels Flange

En 1092-1 P355qh1 Welding Neck Flange

En 1092-1 P355qh1 Welding Neck Flange

En 10222-4 Grade P355qh1 Flange

En 10222-4 Grade P355qh1 Flange


Weldable fine grain steel P355QH1 Weld Neck Flange and W.Nr. 1.0571 Lap Joint Flange supplier in India offer Final visual inspection & MTR


P355qh1 Equivalent ASTM Material


Grade: P355QH1 Steel Flange
Werkstoff Number: 1.0571
Classification: Non-alloy steel

P355qh1 Chemical Composition


ElementComposition, %
N≤0.015
Cr≤0.30
Cu≤0.30
Mo≤0.25
Nb≤0.05
Ni≤0.50
V≤0.10
Nb+V≤0.12
CE≤0.47
C≤0.18
Si≤0.40
Mn0.90-1.50
P≤0.025
S≤0.010
Al≥0.020

P355qh1 Mechanical Properties


P355qh1 Mechanical Properties

P355qh1 Temperature


Temperature
°C		Rp0.2
minimum MPa
70＜T≤100		Rp0.2
minimum MPa
100＜T≤250		Rp0.2
minimum MPa
250＜T≤400
50305285266
100287268250
150265249232
200244228213
250224209195
300206192179
350190178166
400179167156

Heat Treatment Conditions Of P355qh1 Forging Flange


Heat Treatment Conditions Of P355qh1 Forging Flange

Werkstoff P355qh1 Physical Properties


Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)
0.24 -   11 - -    
  -   897 276 - 13.3 324
434 142 468 - 23 23.2  

P355qh1 EN 10222-4 Tensile Requirements


Tensile Tests Requirements
ReH(70＜T≤100)≥315
ReH(100＜T≤250)≥295
ReH(250＜T≤400)≥275
Rm470~630
A(longitudinal)≥21
A(transverse)≥19

P355qh1 EN 10222-4 Yield Strength


Property Temperature Value
Yield strength 20.0 °C 275 - 355 MPa

Flange P355qh1 Thermal Expansion


Property Temperature Value
Coefficient of thermal expansion -100.0 °C 1.08E-5 1/K
- 20.0 °C 1.19E-5 1/K
- 100.0 °C 1.25E-5 1/K
- 200.0 °C 1.3E-5 1/K
- 300.0 °C 1.36E-5 1/K
- 400.0 °C 1.41E-5 1/K
- 500.0 °C 1.45E-5 1/K

Steel P355qh1 Flange Electrical Resistivity


Property Temperature Value
Electrical resistivity -100.0 °C 1.82E-7 Ω·m
- 20.0 °C 2.47E-7 Ω·m
- 100.0 °C 2.96E-7 Ω·m
- 200.0 °C 3.68E-7 Ω·m
- 300.0 °C 4.55E-7 Ω·m
- 400.0 °C 5.56E-7 Ω·m

15 NB - 200 NB EN 1.0571 Threaded Flange WNRF, BLRF, SORF Flange manufacturer in Mumbai, Maharashtra

En 10222-4 P355qh1 Flange Dimensions


En 10222-4 P355qh1 Flange Dimensions

Flange Size inches Flange Size millimeter Outer Diameter (O.D.) inches Outer Diameter (O.D.) millimeter Inner Diameter (I.D.) inches Inner Diameter (I.D.) millimeter Ø B.H.C. In inches Ø B.H.C. In millimeter Ø B.H. inches Ø B.H. millimeter # B.H. Thickness inches Thickness millimeter Weight lbs Weight Kilogram
8.0 200 13.39 340 8.72 221.50 11.61 295 0.870 22 12 1.020 26 21.0 9.5
10.0 250 15.94 405 10.88 276.40 13.97 355 1.020 26 12 1.140 29 31.0 14.1
12.0 300 18.11 460 12.88 327.20 16.14 410 1.020 26 12 1.260 32 42.7 19.4
14.0 350 20.47 520 14.19 360.40 18.50 470 1.020 26 16 1.380 35 62.3 28.3
15.0 400 22.83 580 16.19 411.20 20.67 525 1.180 30 16 1.500 38 80.5 36.5
17.0 450 25.20 640 18.19 462.00 23.03 585 1.180 30 20 1.650 42 110.3 50.1
19.0 500 28.15 715 20.19 512.80 25.59 650 1.300 33 20 1.810 46 141.5 64.2
24.0 600 33.07 840 24.19 614.40 30.32 770 1.420 36 20 2.050 52 213.5 96.9

Weldable Fine Grain Steels Flange Weight Chart


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

Torque Values For En 1092-1 P355qh1 Welding Neck Flanges


CS Pipe Flange Size Inch CS Pipe Flange Size MM (Maximum) Radial Projection
No Deeper Than the Bottom In Millimeter Deeper Than the Bottom In Millimeter
1/2 15 3.0 1.5
3/4 20 3.0 1.5
1 25 3.0 1.5
1 1/4 32 3.0 1.5
1 1/2 40 3.0 1.5
2 50 3.0 1.5
2 1/2 65 3.0 1.5
3 80 4.5 1.5
3 1/2 90 6.0 3.0
4 100 6.0 3.0
5 125 6.0 3.0
6 150 6.0 3.0
8 200 8.0 4.5
10 250 8.0 4.5
12 300 8.0 4.5
14 350 8.0 4.5
16 400 10.0 4.5
18 450 12.0 6.0

P355qh1 Quenched Steel Blind Flanges Sizes Chart


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

NDT test done for Low Carbon Steel EN 10222-4 Grade P355QH1 Forged Flange and EN 1.0571 Plate Flange to ensure leak free connection

P355qh1 Carbon Steel Flange Thickness Chart


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 - - - - - -

  • CS Pipe Flanges Dimensions in inches And Weight in pounds.
  • Wall thicknesses are identical to steel (CS) Sche 10S in size through 12″ Inch, and to Sch 10 sizes 14 Inch″, Or larger.
  • Standard Wall thick. are identical to steels flange Sch 40S in size though 10″ inch.
  • Extra Heavy Wall thick. (WT) are identical to flange Sch 80S in sizes through 8″ inch.
  • Other sizes or thick. types of steels flange can be provided to meet applications.
  • CS Flange manufacturer and Stocked in and carbon steels, or variety of other metals and alloy steels.

Bolt Size Of Grade P355qh1 Flange


Bolt Size Of Grade P355qh1 Flange

Gaskets For En 10222-4 Grade P355qh1 Flanges


(Normal Size Of Pipes) In Inch (I.D.) Inner Daimeter Gasket
 (O.D.) Outer Daimeter Gasket
Class 150#/ LB Class 300#/ LB Class 400#/ LB Class 600#/ LB Class 900#/ LB
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

Facing Type Of Carbon Steel P355qh1 Flange


  • 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

P355qh1 Slip On Flanges Tolerance


Type Of P355QH1 Steel Flange DiameterTolerance
(A) (Outer Diameter)
  • When Outer Diameter is 24 Inch or less: ±1/16" (1.6 mm)
  • When Outer Diameter is over 24": ±1/8" (3.2 mm)
(D) (Inner Diameter)
  • 10 Inches and smaller: ±1/32" (0.8 in mm)
  • 12 Inches thru 18": +1/8" (3.2 in mm)
  • 20 Inches and larger: -1/16" (1.6 in mm)
(B) Contact Face
  • 1/16" (RF): ±1/32" (0.8 mm)
  • 1/4" (RF), Tongue And Groove (male And female): ±1/64" (0.4 mm)
(J) Hub At Base Dai.
  • When hub base is 24 inches or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
(H) Diameter of hub at point of welding
  • 5 inch or smaller: +3/32" (2.4 mm), -1/32" (0.8 millimeter)
  • 6 inch or larger: +5/32" (4.0 millimeter), -1/32 (0.8 mm)
(P) Drilling
  • (B.C.): ±1/16" (1.6 mm)
  • (B.H.) spacing: ±1/32" (0.8 mm)
  Eccentricity of (bc) with respect to facing
  • 2 1/2" or smaller ±1/32" (0.8 mm) max.
  • 3" or larger ±1/16" (1.6 mm) max.
(C) (W.T.)
  • 18 inch or smaller: ±1/8" (3.2 mm), -0"
  • 20 inch or larger: ±3/16" (4.8 mm), -0"
(K) hub Length
  • 10 Inch or smaller: ±1/16" (1.6 millimeter)
  • 12 Inch or larger: ±1/8" (3.2 millimeter)

Quenched CS P355qh1 Flanges Applications


  • Specialty Chemicals
  • Power Generation
  • Condensers
  • Chemical Equipment
  • Gas Processing
  • Pulp and Paper Industry
  • Sea Water Equipment
  • Pharmaceutical Equipment
  • Off-Shore Oil Drilling Companies
  • Petrochemicals
  • Heat Exchangers
  • Pharmaceuticals

Vishal Steel India
Types Of Piping Materials

Vishal Steel India