ASTM A105 Flanges

ASTM A105 is a widely recognized and frequently used material specification for carbon steel flanges in various industrial applications. This standard, established by the American Society for Testing and Materials (ASTM), defines the requirements for carbon steel forgings for piping applications.

Carbon steel, known for its strength and durability, is an ideal choice for flanges used in high-temperature and high-pressure environments, making ASTM A105 flanges a popular choice in industries like oil and gas, petrochemical, and power generation.

Carbon Steel A105 Flanges, ASTM A105 Flange, ASTM A105 CS Flange, ASTM A105 Flange Manufacturer, ASTM A105 Flange Supplier, A105 Class 300 Flange, Forged ASTM A105 Pipe Flanges, ASTM A105 Carbon Steel Flange Manufacturer in Mumbai, India.

ASME SA105N Blind Flange Manufacturer, CS ASTM A105N Slip On Flanges, ASME SA105N Socket Weld Flanges, ASME SA105 Nippo Flanges, ASTM A105N Screwed Flanges, Carbon Steel A105 Flanges Stockist in India.

Key characteristics of ASTM A105 carbon steel flanges:
Material Composition: ASTM A105 flanges are made from carbon steel with a chemical composition that includes carbon, manganese, silicon, sulfur, and phosphorus. This composition provides the necessary mechanical properties, such as strength and hardness, for reliable performance.

Design and Dimensions: The standard covers a wide range of flange types, including slip-on, socket weld, weld neck, blind, and threaded flanges, with dimensions specified for various pressure classes.

Pressure and Temperature Ratings: ASTM A105 flanges are designed to handle a range of pressure and temperature conditions, depending on the specific class and type of flange. They are suitable for both high and low-pressure applications.

Weldability: Carbon steel is known for its excellent weldability, making ASTM A105 flanges easy to fabricate and install. Proper welding procedures should be followed to ensure the integrity of the joint.

Corrosion Resistance: While carbon steel is susceptible to corrosion, proper maintenance and coatings can help protect ASTM A105 flanges from environmental factors. In corrosive environments, additional measures like corrosion-resistant coatings or alloyed materials may be required.

Versatility: These flanges can be used in a wide range of industries and applications, including pipelines, refineries, chemical plants, and power generation facilities.

Testing and Quality Assurance: ASTM A105 mandates various testing procedures, such as mechanical testing, chemical analysis, and non-destructive examinations, to ensure the quality and integrity of the flanges.

Compliance: Using ASTM A105 flanges ensures compliance with industry standards and regulations, which is crucial for safety and reliability.

Specification For Carbon Steel A105 Flanges

Standards ASTM A105, A105N
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size 1/2″ (15 NB) to 48″ (1200NB)
Class 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Flange Face Types Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
ASTM A105 Flanges
STOCKIST & SUPPILERS FOR CARBON STEEL A105 FLANGES IN INDIA, CUSTOM SIZES ASTM A105 SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT

Various Types of Carbon Steel A105 Flanges

Carbon Steel Slip on Flanges

ASTM A105 Slip On Flanges

  • Carbon Steel A105 Slip On Flanges
  • A105 CS Slip On Flanges
  • CS A105 SOFF Flanges
  • ANSI B16.5 CS Slip On Flanges
  • ASTM A105 CS SORF Flange
  • ASTM A105 Carbon Steel Slip On Flanges
  • Carbon Steel ASTM A105 Slip On Flange
Carbon Steel Weld Neck Flanges

ASTM A105 Weld Neck Flanges

  • Carbon Steel A105 Weld Neck Flanges
  • A105 CS Weld Neck Flanges
  • CS A105 WNFF Flanges
  • ANSI B16.5 CS Weld Neck Flanges
  • ASTM A105 CS WNRF Flange
  • ASTM A105 Carbon Steel Weld Neck Flanges
  • Carbon Steel ASTM A105 Weld Neck Flange
Carbon Steel Blind Flanges

ASTM A105 Blind Flanges

  • Carbon Steel A105 Blind Flanges
  • A105 CS Blind Flanges
  • CS A105 BLFF Flanges
  • ANSI B16.5 CS Blind Flanges
  • ASTM A105 CS BLRF Flange
  • ASTM A105 Carbon Steel Blind Flanges
  • Carbon Steel ASTM A105 Blind Flange
Carbon Steel SocketWeld Flanges

A105 Socket Weld Flanges

  • Carbon Steel A105 SocketWeld Flanges
  • A105 CS Socket Weld Flanges
  • CS A105 SWFF Flanges
  • ANSI B16.5 CS Socket Weld Flanges
  • ASTM A105 CS SWRF Flange
  • ASTM A105 Carbon Steel Socket Weld Flanges
  • Carbon Steel ASTM A105 SocketWeld Flange
Carbon Steel A105 Threaded Flanges

ASTM A105 Threaded Flanges

  • Carbon Steel A105 Threaded Flanges
  • A105 CS Threaded Flanges
  • CS A105 Screwed Flanges
  • ANSI B16.5 CS Threaded Flanges
  • ASTM A105 CS Screwed Flange
  • ASTM A105 Carbon Steel Threaded Flanges
  • Carbon Steel ASTM A105 Threaded Flange
Carbon Steel Lap Joint Flanges

ASTM A105 Lap Joint Flanges

  • Carbon Steel A105 Lap Joint Flanges
  • A105 CS Lap Joint Flanges
  • CS A105 LJ Flanges
  • ANSI B16.5 CS Lap Joint Flanges
  • ASTM A105 CS Lap Joint Flange
  • ASTM A105 Carbon Steel Lap Joint Flanges
  • Carbon Steel ASTM A105 Lap Joint Flange

Ready Stock Of Carbon Steel A105 Flanges

  • ASTM A105 CS Raised Face Flanges
  • CS A105 Flanges
  • A105 CS Slip On Flat Face Flanges
  • ANSI B16.5 Class 300 Flanges Dimensions
  • ASTM A105 CS Long Weld Neck Flanges
  • ASTM A105 Carbon Steel Lap Joint Flanges
  • ASTM A105 CS Square Flanges
  • CS ASTM A105 DIN Flanges
  • A105 Carbon Steel Pipe Flange
  • Carbon Steel A105 Flat Face Flange
  • CS A105 Tongue & Groove Flanges
  • Carbon Steel A105 Long Weld Neck Flanges
  • ASTM A105 CS Reducing Flanges
  • CS ASTM A105 Orifice Flange
  • ASTM A105 CS Spectacle Blind Flanges
  • ASME B16.5 Class 150 Carbon Steel Flanges
  • ASTM A105 CS Ring Type Joint Flanges
  • A105 Carbon Steel Spacer Ring Flanges
  • Carbon Steel ASTM A105 Flanges
  • ASTM A105 CS Male & Female Flanges
  • Carbon Steel A105 Screwed Flanges
  • A105 Carbon Steel Blind Flange
  • CS A105 SORF Flanges
  • Carbon Steel A105 NPT Threaded Flanges
  • ASTM A105M Carbon Steel Flange
  • Carbon Steel A105 Industrial Flange
  • A105 Carbon Steel Custom Flanges
  • ASTM A105 CS Large Diameter Flange
  • A105 Carbon Steel Flange Pressure Rating
  • ASTM A105 CS Paddle Blank and Spacer
  • Carbon Steel A105 Forged Flanges
  • CS A105 Nipoflange
  • Carbon Steel ASTM A105 Plate Flange
  • CS ASTM A105 Flangeolet
  • ASTM A105 CS Exhaust Flanges
  • Carbon Steel A105 Tongue and Groove Flanges

ASTM A105 Carbon Steel Flange Dimensions

NPS
(in.)
Carbon Steel A105 Flange Dimensions
Dia. of
Flange
(in.)
No.
of
Bolts
Dia. of
Bolts
(in.)
Dia. of
Bolt Holes
(in.)
Bolt
Circle
(in.)
1/4 3-3/8 4 1/2 0.62 2-1/4
1/2 3-1/2 4 1/2 0.62 2-3/8
3/4 3-7/8 4 1/2 0.62 2-3/4
1 4-1/4 4 1/2 0.62 3-1/8
1-1/4 4-5/8 4 1/2 0.62 3-1/2
1-1/2 5 4 1/2 0.62 3-7/8
2 6 4 5/8 0.75 4-3/4
2-1/2 7 4 5/8 0.75 5-1/2
3 7-1/2 4 5/8 0.75 6
3-1/2 8-1/2 8 5/8 0.75 7
4 9 8 5/8 0.75 7-1/2
5 10 8 3/4 0.88 8-1/2
6 11 8 3/4 0.88 9-1/2
8 13-1/2 8 3/4 0.88 11-3/4
10 16 12 7/8 1 14-1/4
12 19 12 7/8 1 17
14 21 12 1 1.12 18-3/4
16 23-1/2 16 1 1.12 21-1/4
18 25 16 1-1/8 1.25 22-3/4
20 27-1/2 20 1-1/8 1.25 25
24 32 20 1-1/4 1.38 29-1/2

Size Chart of ASTM A105 Carbon Steel Flanges

Nominal Pipe Size Outside Diameter of Flanges Thickness of Flanges Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter or Bore Diameter of Hub at Bevel Radius of Fillet Depth of Socket
Welding Neck Slip-On Threaded Socket Lap Joint Slip-on Socket Lap Joint
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Weight Chart of ASTM A105 CS Flanges

Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam.
of
Hub
Diameter of Raised Face Length Hub.Y Thread Length Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C X G Y T BC BH BN BD
1/2″ 15 89.00 11.20 30.20 35.10 15.70 15.70 60.50 15.80 4 1/2″ 0.4 0.9
3/4″ 20 98.50 12.70 38.10 42.90 15.70 15.70 69.90 15.80 4 1/2″ 0.7 1.5
1″ 25 108.00 14.20 49.30 50.80 17.50 17.50 79.30 15.80 4 1/2″ 0.8 1.8
1-1/4″ 32 117.50 15.70 58.70 63.50 20.60 20.60 88.90 15.80 4 1/2″ 1.2 2.6
1-1/2″ 40 127.00 17.50 65.00 73.20 22.40 22.40 98.60 15.80 4 1/2″ 1.5 3.3
2″ 50 152.50 19.10 77.70 91.90 25.40 25.40 120.70 19.10 4 5/8″ 2.3 5.1
2-1/2″ 65 178.00 22.40 90.40 104.60 28.40 28.40 139.70 19.10 4 5/8″ 3.7 8.1
3″ 80 190.50 23.90 108.00 127.00 30.20 30.20 152.40 19.10 4 5/8″ 4.1 9
3-1/2″ 90 216.00 23.90 122.20 139.70 31.80 31.80 177.80 19.10 8 5/8″ 5.1 11.2
4″ 100 228.50 23.90 134.90 157.20 33.30 33.30 190.50 19.10 8 5/8″ 5.9 13
5″ 125 254.00 23.90 163.60 185.70 36.60 36.60 215.90 22.40 8 3/4″ 7 15.4
6″ 150 279.50 25.40 192.00 215.90 39.60 39.60 241.30 22.40 8 3/4″ 8.4 18.5
8″ 200 343.00 28.40 246.10 269.70 44.50 44.50 298.50 22.40 8 3/4″ 13 28.6
10″ 250 406.50 30.20 304.80 323.90 49.30 49.30 362.00 25.40 12 7/8″ 18 39.5
12″ 300 482.50 31.80 365.30 381.00 55.60 55.60 431.80 25.40 12 7/8″ 29 64
14″ 350 533.50 35.10 400.10 412.80 57.20 57.20 476.30 28.50 12 1″ 39 86
16″ 400 597.00 36.60 457.20 469.90 63.50 63.50 539.80 28.50 16 1″ 47 103
18″ 450 635.00 39.60 505.00 533.40 68.30 68.30 577.90 31.80 16 1 1/8″ 57 126
20″ 500 698.50 42.90 558.80 584.20 73.20 73.20 635.00 31.80 20 1 1/8″ 76 167
24″ 600 813.00 47.80 663.40 692.20 82.60 82.60 749.30 35.10 20 1 1/4″ 97 214

ASTM A105 CS Flanges Chemical Composition

Element C Mn P S Si Cu Ni Cr Mo V
Composition,% 0.35 max 0.60–1.05 0.035max 0.040max 0.10–0.35 0.40max 0.40max 0.30max 0.12max 0.12max

ASTM A105 Flanges Mechanical Properties

Mechanical Properties Tensile strength,min,psi [MPa] Yield strength,min,psi [MPa] Elongation, min, % Reductionofarea,min,% Hardness,HB,max
Requirements 70000 [485] 36000 [250] 30 30 187

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