+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.

ASTM A765 Flange

Carbon Steel SA 765 Gr III Slip On Flange and A765 Gr. I Blind Flange manufacturer in India


ASTM A765 Flange

Table Of Content:



ASTM A765 Standard Specification


Specifications ASTM A765 Flange
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
Brand Vishal Steel
Productivity 800 ton per month
Production Technique Forged/ Heat treated and machined
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
Manufacturer Length NPS 1⁄₂" Inch To NPS 48” Inch
Packing Plywood Pallet And Plywood Box
Transportation Ocean And Air
Supply Ability 700 Ton Per Month
JIS Standard 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
Flange Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Manufacturer of Forged/ Threaded/ Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.

Buy Low alloy steel ASTM A765 Grade 4 Spectacle Blind Flange and SA 765 Gr II Weld Neck Flange with mandatory toughness requirements at competitive rate from manufacturers


ASTM A765 Flange Price List


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 ASTM A765 Grade 4 436.00
DN 25 1" (33,7) 85 4 x 14 mm Ø - - 664.00
DN 32 1.1/4" (42,4) 100 4 x 18 mm Ø - - 906.00
DN 40 1.1/2" (48,3) 110 4 x 18 mm Ø - - 1289.00
DN 50 2" (60,3) 125 4 x 18 mm Ø - - 1689.00
DN 65 76,1 145 4 x 18 mm Ø - - 2452.00
DN 80 88,9 160 8 x 18 mm Ø - - 2980.00
DN 100 108 180 8 x 18 mm Ø - - 3573.00
DN 100 114,3 180 8 x 18 mm Ø - - 4292.00
DN 125 133 210 8 x 18 mm Ø - - 4979.00
DN 125 139,7 210 8 x 18 mm Ø - - 5259.00
DN 150 159 240 8 x 22 mm Ø - - 5785.00
DN 150 168,3 240 8 x 22 mm Ø - - 6205.00
DN 200 219,1 295 12 x 22 mm Ø ASTM A765 Grade 4 6988.00

Alloy Steel ASTM A765 Grade 2 Socket Weld Flange and SA 765 Gr IV Threaded Flange supplier in India offer Technical Inspection to ensure quality


Types Of ASTM A765 Material


Sa 765 Gr 2 Flanges

Sa 765 Gr 2 Flanges

Sa 765 Gr Iv Flanges

Sa 765 Gr Iv Flanges

Sa 765-11 Flanges

Sa 765-11 Flanges

ASTM A765 Blind Flange

ASTM A765 Blind Flange

ASTM A765 Slip On Flange

ASTM A765 Slip On Flange

ASTM A765 Weld Neck Flange

ASTM A765 Weld Neck Flange

ASTM A765 Threaded Flanges

ASTM A765 Threaded Flanges

ASTM A765 Plate Flange

ASTM A765 Plate Flange

ASTM A765 Socket Weld Flange

ASTM A765 Socket Weld Flange

ASTM A765 Pipe Flange

ASTM A765 Pipe Flange

ASTM A765 Forging Flange

ASTM A765 Forging Flange

A765 Flange

A765 Flange

Sa 765 Gr.3 Flanges

Sa 765 Gr.3 Flanges

Sa 765 Grade 4 Flanges

Sa 765 Grade 4 Flanges

Astm A765 Grade 4 Flanges

Astm A765 Grade 4 Flanges

Astm A765 Material

Astm A765 Material

Astm A765 Forged Rings

Astm A765 Forged Rings

Astm A76 Steel Pressure-vessel Flanges

Astm A76 Steel Pressure-vessel Flanges

Astm A76 Carbon Steel Flanges

Astm A76 Carbon Steel Flanges

Astm A76 Low-alloy Steel Flanges

Astm A76 Low-alloy Steel Flanges

SA765 Flange

SA765 Flange

ASME SA765 Flange

ASME SA765 Flange

ASTM A765 GRADE V CLASS 2 Flange

ASTM A765 GRADE V CLASS 2 Flange

A765 Gr. I Flange

A765 Gr. I Flange

A765 Gr. II Flange

A765 Gr. II Flange

A765 Gr. III Flange

A765 Gr. III Flange

A765 Gr. IV Flange

A765 Gr. IV Flange


Smooth/ Concentric/ Spiral serrated finish ASTM A765 Gr. IV Orifice Flanges and SA 765 Gr I Plate Flange Material manufacturer in India in Class 300/ 600/ 900

SA 765 Gr 2 Equivalent


SA 765 Gr 2 Equivalent

SA-765 Gr 2 Chemical Composition


Element Minimum Maximum Similar
P - 0.0200 -
Ni 1.0000 2.0000 -
C - 0.3000 -
V - 0.0300 -
Si 0.1500 0.3500 -
S - 0.0200 -
Al - 0.0500 -
Mo - 0.1200 -
Mn 0.6000 1.3500 -
Cu - 0.3500 -
Cr - 0.3000 -

SA 765 Grade 3 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 412 441 (≥) 617 (≥) 12 32 32

ASTM A76 Carbon Steel Flanges Features


ASTM A76 Carbon Steel Flanges Features

ASTM A765 Grade 4 Physical Properties


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)		 Specific electrical resistivity
(Ω mm²/m)
-   33 - -     0.21
-   367 815 - 24.3 342  
124 224 638 - 41 14.2  

Steel Castings For ASTM A765 Flange


Steel Castings For ASTM A765 Flange

Forgings For ASME SA765 Flange


Forgings For ASME SA765 Flange

Sa 765 Gr.3 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

Heat Treated For ASTM A76 Low-Alloy Steel Flanges


Heat treated: 1891°C - 1781°C.


ASTM A765 Pipe Flange Temperature


Property Temperature Value
Charpy impact energy 20.0 °C 35 J
Elastic modulus 20.0 °C 200 - 215 GPa
Elongation A50 20.0 °C 22 %
Poisson's ratio 20.0 °C 0.29 [-]
Reduction of area 20.0 °C 30 %

A765 Flange Manufacturing Process


A765 Flange Manufacturing Process

ASTM A765 Forging Flange Tensile Strength


Property Temperature Value
Tensile strength 20.0 °C 550 - 725 MPa

Thermal Properties Of SA765 Flange


Property Temperature Value
Coefficient of thermal expansion 20.0 °C 1.32E-5 - 1.38E-5 1/K
Max service temperature - 500 °C
Melting point - 1480 - 1526 °C

Electrical Of ASME SA765 Flange


Property Temperature Value Comment
Electrical resistivity 20.0 °C 1.43E-7 - 1.74E-7 Ω·m Typical for Carbon Steel

Magnetic Of ASTM A765 Grade V Class 2 Flange


Property Temperature Value Comment
Curie temperature 20.0 °C 770 °C Typical for Low Carbon Steel

Check which specific roughness required for ASTM A765 Gr. II Lap Joint Flange and ASME SA 765 Grade 3 Forged Flange strong grip and tight seal

A765 Gr. I Flange Dimensions In MM


A765 Gr. I Flange Dimensions In MM

SA765 Gr. II Flange Weight In KG


SA765 Gr. II Flange Weight In KG

ASTM A765 Gr. III Flange 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

ASME A765 Gr. IV Flange Face Types


ASME A765 Gr. IV Flange Face Types

Wall Thicknes Of ASTM A76 Steel Pressure-Vessel Flanges


Normal Size Of Steel 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 - - - - - -

ASTM A765 Material Bolt Size


ASTM A765 Material Bolt Size
Size in (Inches) Size in (Millimeter) Number of Bolts Bolt Size Of UNC Length Of RF Stud Size Of ISO Stud Length Of Machine Bolts
Class 150 Flange
1/2 15 4 1/2 55 M14 50
3/4 20 4 1/2 65 M14 50
1 25 4 1/2 65 M14 55
1 1/4 32 4 1/2 70 M14 55
1 1/2 40 4 1/2 70 M14 65
2 50 4 5/8 85 M16 70
2 1/2 65 4 5/8 90 M16 75
3 80 4 5/8 90 M16 75
3 1/2 90 8 5/8 90 M16 75
4 100 8 5/8 90 M16 75
5 125 8 3/4 95 M20 85
6 150 8 3/4 100 M20 85
8 200 8 3/4 110 M20 90
10 250 12 7/8 115 M24 100
12 300 12 7/8 120 M24 100
14 350 12 1 135 M27 115
16 400 16 1 135 M27 115
18 450 16 1 1/8 145 M30 125
20 500 20 1 1/8 160 M30 140
24 600 20 1 1/4 170 M33 150

Size in (Inches) Size in (Millimeter) Number of Bolts Bolt Size Of UNC Length Of RF Stud Size Of ISO Stud Length Of Machine Bolts
Class 300 Flange
1/2 15 4 1/2 65 M14 55
3/4 20 4 5/8 75 M16 65
1 25 4 5/8 75 M16 65
1 1/4 32 4 5/8 85 M16 70
1 1/2 40 4 3/4 90 M20 75
2 50 8 5/8 90 M16 75
2 1/2 65 8 3/4 100 M20 85
3 80 8 3/4 110 M20 90
3 1/2 90 8 3/4 110 M20 95
4 100 8 3/4 115 M20 95
5 125 8 3/4 120 M20 110
6 150 12 3/4 120 M20 110
8 200 12 7/8 140 M24 120
10 250 16 1 160 M27 140
12 300 16 1 1/8 170 M30 145
14 350 20 1 1/8 180 M30 160
16 400 20 1 1/4 190 M33 165
18 450 24 1 1/4 195 M33 170
20 500 24 1 1/4 205 M33 185
24 600 24 1 1/2 230 M39 205

Vishal Steel India
Types Of Piping Materials

Vishal Steel India