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A105 Carbon Steel Flanges

ASTM A105 / ASME SA105 Forged Carbon Steel Flanges from ½″ to 48″, Class 150 to 2500

A105 Carbon Steel Flanges Manufacturer in India

Flange Product

Ganpat Metal supplies A105 Carbon Steel Flanges in India for industrial piping, pressure systems, process equipment and pipeline applications. We offer ASTM A105 / ASME SA105 flanges in multiple types, pressure classes, face configurations and sizes.

Our A105 flanges are available from ½″ to 48″, with Class 150 to Class 2500 pressure ratings and manufacturing options including forged, machined and heat-treated flanges.

ASTM A105 Technical Data & Specifications Matrix

Specifications of ASTM A105 Flanges

Feature / Parameter Specification Details
Material Specification ASTM A105 & ASME SA105, A105N
Dimensional Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS 4504, BS 10, EN-1092, DIN, etc.
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size Range 1/2″ to 48″
Class / Pressure Rating Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Flange Face Type Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Design Standards (By Region) DIN, JIS, ANSI, BS, PN, EN, ASA, ASME
Flange Machining Equipment Sand-blasting machine, Press machine, Bending machine, Pushing Machine, Electric bevelling machine, etc.
Connection Type Large Male-Female (LMF), Small Male-Female (SMF), Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap Joint Face (LJF)
Production Process Machined, Forged, Heat Treated

Chemical Composition of ASTM A105 Flanges

Element Composition (%)
Carbon (C) 0.35 max
Manganese (Mn) 0.60–1.05
Phosphorus (P) 0.035 max
Sulfur (S) 0.040 max
Silicon (Si) 0.10–0.35
Copper (Cu) 0.40 max (1)
Nickel (Ni) 0.40 max (1)
Chromium (Cr) 0.30 max (1-2)
Molybdenum (Mo) 0.12 max (1-2)
Vanadium (V) 0.08 max

Mechanical Properties of ASTM A105 Flanges

Property / Material Grade ASTM A105 Value
Tensile Strength, min 70,000 psi [485 MPa]
Yield Strength (0.2% Offset), min 36,000 psi [250 MPa]
Elongation (in 2″ / 50mm), min 22%
Reduction of Area, min 30%
Hardness (Brinell), max 187 HBW
Thermal Conductivity 360 BTU·in/(hr·ft²·°F)
Mean Coeff. of Thermal Expansion 6.7 × 10⁻⁶ in/in/°F
Charpy V-Notch Impact Test Temp & Energy N/A (Standard Ambient)

Weight Chart of ASTM A105 Flanges

Standard System Standard / Class Flange Outer Diam (mm) Bolt Circle Diam (mm) No. of Bolts Bolt Size Bolt Hole Diam (mm)
AS 4087 PN14 95 67 4 M12 14
AS 2129 Table C 95 67 4 13 14
AS 2129 Table D 95 67 4 13 14
AS 2129 Table E 95 67 4 13 14
AS 2129 Table F 95 67 4 13 14
AS 2129 Table H 114 83 4 16 17
AS 2129 Table J 114 83 4 16 17
ASME / ASTM B16.5 Class 150 89 60 4 13 16
ASME / ASTM B16.5 Class 300 95 67 4 13 16
ASME / ASTM B16.5 Class 600 95 67 4 13 16
ASME / ASTM B16.5 Class 900 121 83 4 19 22
ASME / ASTM B16.5 Class 1500 121 83 4 19 22
ISO 7005 (DIN) PN6 80 55 4 M10 11
ISO 7005 (DIN) PN10 95 65 4 M12 14
ISO 7005 (DIN) PN16 95 65 4 M12 14
ISO 7005 (DIN) PN20 90 60.5 4 M14 16
ISO 7005 (DIN) PN25 95 65 4 M12 14
ISO 7005 (DIN) PN40 95 65 4 M12 14

ASTM A105 Flanges Thickness Chart

Nom. Size (in.) OD Bore (B) Bolt Holes Bolt Hole Diam BC Thickness (T) Hub Length (L) Hub Diam (H) Lap Radius (R) Approx Weight (lbs)
1 4.25 1.38 4 0.625 3.13 0.563 0.688 1.938 0.13 2
1 ¼ 4.68 1.72 4 0.625 3.50 0.625 0.813 2.312 0.19 3
1 ½ 5.00 1.97 4 0.625 3.88 0.688 0.875 2.563 0.25 3
2 6.00 2.46 4 0.750 4.75 0.750 1.000 3.063 0.31 5
2 ½ 7.00 2.97 4 0.750 5.50 0.875 1.125 3.563 0.31 7
3 7.50 3.60 4 0.750 6.00 0.938 1.188 4.250 0.38 8
3 ½ 8.50 4.10 8 0.750 7.00 0.938 1.250 4.812 0.38 11
4 9.00 4.60 8 0.750 7.50 0.938 1.312 5.312 0.44 13
5 10.00 5.69 8 0.875 8.50 0.938 1.438 6.438 0.44 15
6 11.00 6.75 8 0.875 9.50 1.000 1.562 7.562 0.50 18
8 13.50 8.75 8 0.875 11.75 1.125 1.750 9.688 0.50 30
10 16.00 10.92 12 1.000 14.25 1.188 1.938 12.000 0.50 42
12 19.00 12.92 12 1.000 17.00 1.250 2.188 14.375 0.50 64
14 21.00 14.19 12 1.125 18.75 1.375 2.250 15.750 0.50 90
16 23.50 16.19 16 1.125 21.25 1.438 2.500 18.000 0.50 98
18 25.00 18.20 16 1.250 22.75 1.562 2.688 19.875 0.50 125
20 27.50 20.25 20 1.250 25.00 1.688 2.875 22.000 0.50 160
24 32.00 24.25 20 1.375 29.50 1.875 3.250 26.125 0.50 212
30** 38.75 30.25 28 1.375 36.00 2.125 3.500 32.750 0.50 305
36** 46.00 36.25 32 1.625 42.75 2.375 3.750 39.250 0.50 440

Physical Properties of ASTM A105 Flanges

Property Value
Density 0.284 lb/cu. in.
Specific Gravity 7.9
Specific Heat 0.107 Btu/lb/°F [32–212 °F]
Melting Point 2740 °F
Thermal Conductivity 360
Mean Coeff. Thermal Expansion 6.7
Modulus of Elasticity (Tension) 30
Modulus of Elasticity (Torsion) 11

Pressure-Temperature Ratings for ASTM A105 Flanges

Temperature (°C) Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-29 to 38 19.6 51.1 68.1 102.1 153.2 255.3 425.5
50 19.2 50.1 66.8 100.2 150.4 250.6 417.7
100 17.7 46.6 62.1 93.2 139.8 233.0 388.3
150 15.8 45.1 60.1 90.2 135.2 225.4 375.6
200 13.8 43.8 58.4 87.6 131.4 219.0 365.0
250 12.1 41.9 55.9 83.9 125.8 209.7 349.5
300 10.2 39.8 53.1 79.6 119.5 199.1 331.8
325 9.3 38.7 51.6 77.4 116.1 193.6 322.6
350 8.4 37.6 50.1 75.1 112.7 187.8 313.0
375 7.4 36.4 48.5 72.7 109.1 181.8 303.1
400 6.5 34.7 46.3 69.4 104.2 173.6 289.3
425 5.5 28.8 38.4 57.5 86.3 143.8 239.7
450 4.6 23.0 30.7 46.0 69.0 115.0 191.7
475 3.7 17.4 23.2 34.9 52.3 87.2 145.3
500 2.8 11.8 15.7 23.5 35.3 58.8 97.9
538 1.4 5.9 7.9 11.8 17.7 29.5 49.2

ASTM A105 Carbon Steel Flange Weight Calculator

Select Flange options below and click the "Calculate Weight" button to reveal exact weight.

Different Types of ASTM A105 Flanges

ASTM A105 Weld Neck Flange
ASTM A105 Weld Neck Flange
ASTM A105 Threaded Flanges
ASTM A105 Threaded Flanges
ASTM A105 Socket Weld Flanges
ASTM A105 Socket Weld Flanges
ASTM A105 Slip On Flanges
ASTM A105 Slip On Flanges
ASTM A105 Plate Flanges
ASTM A105 Plate Flanges
ASTM A105 Long Weld Neck Flanges
ASTM A105 Long Weld Neck Flanges
ASTM A105 Lap Joint Flanges
ASTM A105 Lap Joint Flanges
ASTM A105 Forged Flanges
ASTM A105 Forged Flanges
ASTM A105 Blind Flanges
ASTM A105 Blind Flanges

ASTM A105 Flanges Standards

ASTM A105 ASME SA105 ANSI/ASME B16.5 ASME B16.47 Series A & B ASME B16.48 BS 4504 BS 10 EN-1092 DIN JIS PN ASA ASME

ASTM A105 Flange Pressure Classes

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

ASTM A105 Flange Face Types

  • Flat Face (FF)
  • Raised Face (RF)
  • Ring Type Joint (RTJ)
  • Large Male-Female (LMF)
  • Small Male-Female (SMF)
  • Lap Joint Face (LJF)

ASTM A105 Flange Manufacturing and Heat Treatment

Ganpat Metal supplies ASTM A105 flanges produced through forging, machining and heat treatment according to the specified material and purchase requirements.

Manufacturing includes flange forming, machining, face finishing, bore machining, bolt-hole drilling and final dimensional checks.

ASTM A105 Flange Inspection and Testing

  • Chemical composition verification
  • Tensile strength testing
  • Yield strength testing
  • Elongation testing
  • Reduction of area testing
  • Hardness testing
  • Visual inspection
  • Dimensional inspection
  • Surface inspection
  • Positive Material Identification (PMI) where specified
  • Ultrasonic Testing (UT) where specified
  • Magnetic Particle Testing (MT) where specified
  • Material Test Certificate (MTC EN 10204 3.1 & 3.2)
  • Third-party inspection (TPI) support

ASTM A105 Flanges Sizes

½″ to 48″ size range with ASME B16.5 sizes as applicable, ASME B16.47 Series A & B for large-diameter requirements, Class 150 to Class 2500, and multiple flange face configurations (FF, RF, RTJ, LMF, SMF, LJF).

ASTM A105 Flanges Applications

  • Oil & Gas Pipelines
  • Petroleum Refineries
  • Petrochemical Plants
  • Chemical Processing
  • Power Generation Plants
  • Industrial Process Piping
  • Pressure Vessel Systems
  • Water Treatment Facilities

A105 Carbon Steel Flanges Export Countries

India flag India Brazil flag Brazil New Zealand flag New Zealand Australia flag Australia Bangladesh flag Bangladesh Malaysia flag Malaysia UAE flag UAE Saudi Arabia flag Saudi Arabia Oman flag Oman Egypt flag Egypt Spain flag Spain Russia flag Russia Kazakhstan flag Kazakhstan

Why Choose Ganpat Metal for A105 Carbon Steel Flanges?

  • ASTM A105 / ASME SA105 flange supply
  • A105N normalized condition option
  • Full ½″ to 48″ size availability
  • Class 150 to Class 2500 ratings
  • Forged and precision machined options
  • Weld Neck, Slip-On, Blind, Threaded & Socket Weld types
  • FF, RF, RTJ, LMF, SMF & LJF configurations
  • 100% Inspection & Mill Test Certification (MTC)
  • ISO certified & MSME registered supplier

Request a Quote for A105 Carbon Steel Flanges

Send your A105 Carbon Steel Flanges requirement to Ganpat Metal with the size, flange type, pressure class, face, applicable standard, quantity and delivery location.

Related Carbon Steel Flanges

For other carbon steel flange grades and configurations, visit our Carbon Steel Flanges category page to view the broader product range.