+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.

Alloy 20 Flanges

ASTM B462 UNS N08020 SORF/ Blind Flange and SB 462 WNRF Flange manufacturer in India


Alloy 20 Flanges

Table Of Content:



Why don't you directly contact ASTM B462 Alloy 20 Flanges manufacturer? Get a free sample before dispatch of complete order of SB 462 UNS N08020 Slip On Flange as per EN 1092-1/ ANSI B16.5/ JIS B2220


ASTM B462 Alloy 20 Flanges Specification


Specification Alloy 20 Flanges
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
EN Standard 6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar
UNI Standard 6 Bar/ 10 Bar/ 16 Bar/ 25 Bar/ 40 Bar
JIS Standard 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
Dimensions And Standard EN 1092-1/ EN 1092-2/ API/ ISO/ JIS/ GOST/ PN
Manufacturer Length NPS 1⁄₂" To NPS 48”
Manufacturer Of Forged/ Threaded/ Screwed / Plate
Flanges Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Production Technique Forged/ Heat treated and machined
Manufacturer Pressure Class Class 150 (lb) up to 24"
Class 300 (lb) up to 20"
Class 600 (lb) up to 20"
Class 900 (lb) up to 16"
Class 1500 (lb) up to 10"
Class 2500 (lb) up to 8"
Supporting Material Gasket/ Ring Joint/ Flanges Bolts
Flanges Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Other Standard B16.47 Series A & B/ B16.48, BS4504/ GOST
Forging Methods Casting/ Forging/ Rolling/ Cutting
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
DIN Standard PN6/ PN10/ PN16/ PN25/ PN40/ PN64
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc

Alloy 20 Pipe Flanges Price List


Nominal Diameter Nominal pipe size in mm Pitch Circle Diameter In mm Thread holes Material Pressure Price In INR (India) Per Piece
DN 20 3/4" (26,9) 75 4 x 14 mm Ø Alloy 20 Class 150 410.00
DN 25 1" (33,7) 85 4 x 14 mm Ø - - 554.00
DN 32 1.1/4" (42,4) 100 4 x 18 mm Ø - - 926.00
DN 40 1.1/2" (48,3) 110 4 x 18 mm Ø - - 1190.00
DN 50 2" (60,3) 125 4 x 18 mm Ø - - 1350.00
DN 65 76,1 145 4 x 18 mm Ø - - 2350.00
DN 80 88,9 160 8 x 18 mm Ø - - 2850.00
DN 100 108 180 8 x 18 mm Ø - - 3187.00
DN 100 114,3 180 8 x 18 mm Ø - - 3900.00
DN 125 133 210 8 x 18 mm Ø - - 4390.00
DN 125 139,7 210 8 x 18 mm Ø Alloy 20 Class 150 4400.00

Why don't you directly contact ASTM B462 Alloy 20 Flanges manufacturer? Get a free sample before dispatch of complete order of SB 462 UNS N08020 Slip On Flange as per EN 1092-1/ ANSI B16.5/ JIS B2220


Types Of Alloy 20 Flanges


ASTM B462 Alloy 20 Blind Flanges

ASTM B462 Alloy 20 Blind Flanges

20cb3 Alloy 20 Slip On Flanges

20cb3 Alloy 20 Slip On Flanges

ASTM B462 UNS N08020 Weld Neck Flanges

ASTM B462 UNS N08020 Weld Neck Flanges

B462 UNS N08020 Threaded Flanges

B462 UNS N08020 Threaded Flanges

Alloy 20 Puddle Flanges

Alloy 20 Puddle Flanges

Alloy 20 Stainless Steel RTJ Flanges

Alloy 20 Stainless Steel RTJ Flanges

Nickel Alloy 20 Orifice Flanges

Nickel Alloy 20 Orifice Flanges

Carpenter 20 Spectacle Blind Flanges

Carpenter 20 Spectacle Blind Flanges

N08020 Alloy 20 Plate Flanges

N08020 Alloy 20 Plate Flanges

Alloy 20 Stainless Reducing Flanges

Alloy 20 Stainless Reducing Flanges

20cb3 Alloy 20 Vanstone Flanges

20cb3 Alloy 20 Vanstone Flanges

2.4660 Alloy 20 Raised Face Flanges

2.4660 Alloy 20 Raised Face Flanges

Incoloy Alloy 20 Square Flanges

Incoloy Alloy 20 Square Flanges

N08020 Alloy 20 Flat Face Flanges

N08020 Alloy 20 Flat Face Flanges

UNS N08020 Tapped Blind Flanges

UNS N08020 Tapped Blind Flanges

Alloy 20 Pipe Flanges

Alloy 20 Pipe Flanges

Alloy 20 Forged Flanges

Alloy 20 Forged Flanges

ASTM B462 Flanges

ASTM B462 Flanges

Inconel Alloy 20 Socket Weld Flanges

Inconel Alloy 20 Socket Weld Flanges

Carpenter 20 Flange

Carpenter 20 Flange

Incoloy Alloy 20 Lap Joint Flange

Incoloy Alloy 20 Lap Joint Flange


Alloy 20 Vanstone Flange Manufacturing Process


Alloy 20 Vanstone Flange Manufacturing Process

Raw Material

  • Raw Materia
  • Materia Dimension And Visual
  • Materia Quantity
Alloy 20 Vanstone Flange Manufacturing Process

Inspection

  • Chemical And Mechanical Analysis
  • Analysis Of Preservation Certificate
Alloy 20 Vanstone Flange Manufacturing Process

Cutting

  • Cut Surface
  • Marking
  • Weight Measuring
Alloy 20 Vanstone Flange Manufacturing Process

Forging Flange

  • Grade Of Material
  • Control Flange Temperature
Alloy 20 Vanstone Flange Manufacturing Process

Heat Treatment

  • Flange Solution Treatment
  • Flanges Mechanical Test
  • Normalizing
Alloy 20 Vanstone Flange Manufacturing Process

Forging Rolling Of Flange

  • Check Dimension
  • Check Marking
  • Check Weight
Alloy 20 Vanstone Flange Manufacturing Process

Final Inspection Of Pipe Flange

  • Test Of Visual
  • Test Of Nondestructive
Alloy 20 Vanstone Flange Manufacturing Process

Rust Prevention

  • View Preserve
  • Marking
  • Heat Number
Alloy 20 Vanstone Flange Manufacturing Process

Packaging

  • Specification Of Packing
  • Inspection Of Packing
  • Delivery Time And Day

B462 UNS N08020 Lap Joint Flange Weight


Normal Size Of Steel Pipe In Inches Size In Millimeter Lap Joint Flange
Outer Daimeter (O.D.) In
(MM)
 Alloy 20 Lap Joint Flange
Wall Thickness Of
(D)
In M)		 Alloy 20 Lap Joint Pipe Flange
1/2 15 88.9 11.2 0.4
3/4 20 98.6 12.7 0.6
1 25 108 14.2 0.8
1 1/4 32 117.3 15.7 1
1 1/2 40 127 17.5 1.3
2 50 152.4 19.1 2.1
2 1/2 65 177.8 22.4 3.3
3 80 190.5 23.9 3.9
3 1/2 90 215.9 23.9 4.8
4 100 228.6 23.9 5.3
5 125 254 23.9 6.1
6 150 279.4 25.4 7.5
8 200 342.9 28.4 12.1
10 250 406.4 30.2 16.5
12 300 482.6 31.8 26.2
14 350 533.4 35.1 34.6
16 400 596.9 36.6 44.8
18 450 635 39.6 48.9
20 500 698.5 42.9 61.9

BS4504 PN16 20cb3 Alloy 20 Socket Weld Flange and Carpenter 20 Weld Neck Flange supplier in India offer Hydrostatic (Hydro) Testing with each delivery


Alloy 20 Forged Flanges Dimensions


Alloy 20 Forged Flanges Dimensions

Flanges Size inches Flanges 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

Gaskets For Alloy 20 Stainless Steel Flanges


Gaskets For Alloy 20 Stainless Steel Flanges
(Normal Size Of Steel 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

Forging Process Of ASTM B462 UNS N08020 Nickel Alloy 20 Flanges


Forging Process Of ASTM B462 UNS N08020 Nickel Alloy 20 Flanges

Face Types Of ASTM B462 Flanges


Face Types Of ASTM B462 Flanges

  • 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

Carpenter 20 Flange Wall Thicknes


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 -

Check AS/NZ 4087 Incoloy Alloy 20 Lap Joint Flange, Weld-on collar, Spectacle Blind Flange and JIS 10K ASTM B462 N08020 Threaded Flange Material Torque Tightening

Alloy 20 Equivalent Material ASTM


STANDARD BS OR EN WERKSTOFF NR. UNS GOST AFNOR JIS
Alloy 20 Flanges - - NiCr20CuMo 2.4660 N08020 - Z2NCUD31-20AZ -

Alloy 20 Chemical Composition


Grade Mn P S Si Ni Fe Cr Cu Mo Nb C
Alloy 20 Flanges 1 – 2 0.02 maximum 0.005 maximum 0.7 maximum 32 – 38 Bal 19 – 21 3 – 4 2 – 3 0.1 – 0.3 0.02 maximum

Alloy 20 Mechanical Properties


Density Yield Strength (0.2%Offset) Elongation Melting Point Tensile Strength
8.1 g/cm3 Psi – 35000 , MPa – 241 30 % 1443 °C (2430 °F) Psi – 80000 , MPa – 551

Alloy 20 Stainless Flanges Physical Properties


Thermal Conductivity Specific Heat Electrical Resistivity
W/m.°C J/kg.°C µΩ·m
12.3 500 1.08

20cb3 Alloy 20 Slip On Flanges Dimensions


20cb3 Alloy 20 Slip On Flanges Dimensions

2.4660 Alloy 20 Forged Flanges Sizes


2.4660 Alloy 20 Forged Flanges Sizes

Incoloy Alloy 20 Welding Neck Flanges Dimensions


Incoloy Alloy 20 Welding Neck Flanges Dimensions

N08020 Alloy 20 Plate Flanges Pressure Rating


maximum pressure for Alloy 20 Flanges in PSI

ASME/ANSI B16.5 Pressure Rating
Temp (°F) (Class 150) (Class 300) (Class 400) (Class 600) (Class 900) (Class 1500) (Class 2500)
-20 to 100 265 695 925 1390 2085 3470 5785
200 260 680 905 1360 2035 3395 5660
300 230 655 870 1305 1955 3260 5435
400 200 640 855 1280 1920 3200 5330
500 170 620 830 1245 1865 3105 5180
600 140 605 805 1210 1815 3025 5040
650 125 590 785 1175 1765 2940 4905
700 110 570 755 1135 1705 2840 4730
750 95 530 710 1065 1595 2660 4430
800 80 510 675 1015 1525 2540 4230
850 65 485 650 975 1460 2435 4060
900 50 450 600 900 1350 2245 3745
950 35 280 375 560 845 1405 2345
1000 20 165 220 330 495 825 1370

Tolerance Of SB 462 Flanges


Type Of Alloy 20 Flanges DiameterTolerance Chart
(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)

Alloy 20 Flange Bolt Chart


Class 150Class 300Class 600
NPS# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud
1/16 RFRTJ1/16 RFRTJ1/4 RFRTJ
1/240.502-1/4–40.502-1/2340.5033
3/440.502-1/2–40.6333-1/240.633-1/23-1/2
140.502-1/2340.6333-1/240.633-1/23-1/2
1-1/440.502-3/43-1/440.633-1/43-3/440.633-3/43-3/4
1-1/240.502-3/43-1/440.753-1/2440.754-1/44-1/4
240.633-1/43-3/480.633-1/2480.634-1/44-1/4
2-1/240.633-1/2480.7544-1/280.754-3/44-3/4
340.633-1/2480.754-1/44-3/480.7555
3-1/280.633-1/2480.754-1/4580.885-1/25-1/2
480.633-1/2480.754-1/2580.885-3/45-3/4
580.753-3/44-1/480.754-3/45-1/481.006-1/26-1/2
680.7544-1/2120.754-3/45-1/2121.006-3/46-3/4
880.754-1/44-3/4120.885-1/26121.137-1/27-3/4
10120.884-1/25161.006-1/46-3/4161.258-1/28-1/2
12120.884-3/45-1/4161.136-3/47-1/4201.258-3/48-3/4
14121.005-1/45-3/4201.1377-1/2201.389-1/49-1/4
16161.005-1/45-3/4201.257-1/28201.501010
18161.135-3/46-1/4241.257-3/48-1/4201.6310-3/410-3/4
20201.136-1/46-3/4241.2588-3/4241.6311-1/411-1/2
24201.256-3/47-1/4241.50910241.881313-1/4

Class 900Class 1500Class 2500
NPS# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud
1/4 RFRTJ1/4 RFRTJ1/4 RFRTJ
1/240.754-1/44-1/440.754-1/44-1/440.754-3/44-3/4
3/440.754-1/24-1/240.754-1/24-1/240.7555
140.885540.885540.885-1/25-1/2
1-1/440.885540.885541.0066
1-1/241.005-1/25-1/241.005-1/25-1/241.136-3/46-3/4
280.885-3/45-3/480.885-3/45-3/481.0077
2-1/281.006-1/46-1/481.006-1/46-1/481.137-3/48
380.885-3/45-3/481.137781.258-3/49
481.136-3/46-3/481.257-3/47-3/481.501010-1/4
581.257-1/27-1/281.509-3/49-3/481.7511-3/412-1/4
6121.137-1/27-3/4121.3810-1/410-1/282.0013-1/214
8121.388-3/48-3/4121.6311-1/211-3/4122.001515-1/2
10161.389-1/49-1/4121.8813-1/413-1/2122.5019-1/420
12201.381010162.0014-3/415-1/4122.7521-1/422
14201.5010-3/411162.251616-3/4––––
16201.6311-1/411-1/2162.5017-1/218-1/2––––
18201.8812-3/413-1/4162.7519-1/220-3/4––––
20202.0013-3/414-1/4163.0021-1/422-1/4––––
24202.5017-1/418163.5024-1/425-1/2––––

ASTM B462 Alloy 20 Blind Flanges Dimensions


ASTM B462 Alloy 20 Blind Flanges Dimensions

Manufacturer of MSS SP-44 ASTM B462 Alloy 20 Orifice Flanges and Carpenter 20 Long Weld Neck Flange in Flat Face, ready stock of ASME B16.47 Series B Class 150 DIN 2.4660 Forged or Plate Flange in India

UNS N08020 Flanges Application


  • 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

SB 462 Material Testing And Inspection Plan


Inspection and Plan Vendor TPI Inspection Client
Mill test reports(incl.heat treatment records,etc) Hold Point Review Review
Final visual inspection including packaging and quantity control Hold Point Hold Point Review
Non-destructive testing (UT, MT or PT), if applicable Hold Point Witness/R Review
Heat treatment execution, if specified Hold Point Witness point Review
Visual and dimensional and thickness control Hold Point Hold Point Review
Stamping, marking and color coding check Hold Point Witness point Review
Metallographic examination, if applicable Hold Point Witness point Review
Documentation review prior to release(Final activity of Technical Inspection) Hold Point Hold Point Review
Pre-shipment Inspection Hold Point Hold Point Hold Point

Different Types Of Incoloy 20 Orifice Plates Flanges


Different Types Of Incoloy 20 Orifice Plates Flanges

Connection Of Cn7m Nickel Alloy Threaded Flange


Connection Of Cn7m Nickel Alloy Threaded Flange

Alloy 20 Steel Yield Strength


Yield Strength, (minimum)
Mpa 300
ksi 45

Alloy 20 Stainless RTJ Flanges Tensile Strength


Tensile Strength, (minimum)
Mpa 620
ksi 90

Inconel Alloy 20 Socket Weld Flanges Welding


Welding Alloy 20 Flanges is commonly performed via, TIG, MIG as well as submerged arc welding (SAW) using either the matching filler metal, ER320LR for TIG and MIG and E320LR for SAW.


Vishal Steel India
Types Of Piping Materials

Vishal Steel India