ASTM A516 Grade 70 Flange

ASTM A516 Grade 70 is a high-quality carbon steel grade primarily used in the construction of pressure vessels and boilers. Carbon steel flanges made from A516 Grade 70 are an essential component in a wide range of industrial applications. Here are some key details about ASTM A516 Grade 70 carbon steel flanges:

1. Material Composition: A516 Grade 70 is a carbon steel alloy that contains iron, carbon, manganese, and small amounts of other elements like phosphorus, sulfur, and silicon. The carbon content is relatively high, which gives it excellent strength and toughness.

2. Pressure Vessel Quality: This grade of steel is specifically designed for use in pressure vessels and boilers. It is known for its exceptional performance under high-pressure and high-temperature conditions, making it an ideal choice for flanges in these applications.

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3. High Strength: A516 Grade 70 steel has high tensile strength, making it suitable for handling intense mechanical loads. This is particularly important in applications where safety is a priority, as the flanges are critical components in maintaining the integrity of pressure vessels.

4. Corrosion Resistance: While not a corrosion-resistant alloy, A516 Grade 70 can withstand moderate levels of corrosion. However, proper protection measures like coating or painting may be necessary in environments with aggressive corrosion potential.

5. Weldability: A516 Grade 70 is known for its excellent weldability, which is crucial for fabricating flanges and joining them to pipes or other components. Welded joints maintain the material’s integrity and strength, ensuring a reliable connection.

6. Temperature Resistance: These carbon steel flanges can handle a wide range of temperatures, making them suitable for both high and low-temperature applications. They are often used in industries where temperature variations are common.

7. Versatility: A516 Grade 70 carbon steel flanges find application in various industries, including petrochemical, power generation, and the oil and gas sector. They are used in piping systems to connect pipes, valves, and other equipment.

8. Standard Compliance: ASTM A516 Grade 70 flanges are manufactured in accordance with the specifications outlined by the American Society for Testing and Materials (ASTM), ensuring quality and consistency in production.

9. Testing and Quality Control: Manufacturers subject these flanges to rigorous testing procedures to guarantee their quality and safety. Common tests include tensile testing, impact testing, and non-destructive testing to identify any defects.

10. Availability: A516 Grade 70 carbon steel flanges are widely available from reputable manufacturers and suppliers, offering various sizes, pressure ratings, and flange types to meet specific project requirements.

Specification For Carbon Steel A516 Grade 70 Flanges

StandardsASTM A516, A516M
DimensionsANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size1/2″ (15 NB) to 48″ (1200NB)
Class150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
StandardANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Flange Face TypesFlate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
ASTM A516 Grade 70 Flange
STOCKIST & SUPPILERS FOR Carbon Steel A516 Gr.70 Flanges IN INDIA, CUSTOM SIZES ASTM A516 Grade 70 SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT

Various Types of Carbon Steel A516 Grade 70 Flanges

Carbon Steel Slip on Flanges

ASTM A516 Grade 70 Slip On Flanges

  • ASTM A516 Carbon Steel Gr 70 SORF Flange
  • Carbon A516 Gr.70 Slip On Flanges
  • ASTM A516 Grade 70 Carbon Steel Slip On Flanges
  • Carbon Steel A516 Gr 70 SOFF Flanges
  • A516 CS Gr.70 Slip On Flanges
  • ANSI B16.5 CS Grade 70 Slip On Flanges
  • Carbon Steel ASTM A516 Gr 70 Slip On Flange
Carbon Steel Weld Neck Flanges

ASTM A516 Grade 70 Socket Weld Flanges

  • ANSI B16.5 CS Gr 70 Socket Weld Flanges
  • ASTM A516 Carbon Gr.70 SWRF Flange
  • ASTM A516 Grade 70 Carbon Steel Socket Weld Flanges
  • Carbon Steel ASTM A516 Gr 70 SocketWeld Flange
  • Carbon Steel A516 Gr.70 SocketWeld Flanges
  • A516 CS Grade 70 Socket Weld Flanges
  • Carbon Steel A516 Gr 70 SWFF Flanges
Carbon Steel Blind Flanges

ASTM A516 Grade 70 Blind Flanges

  • ASTM A516 Carbon Grade 70 BLRF Flange
  • ANSI B16.5 CS Gr 70 Blind Flanges
  • Carbon Steel A516 Gr.70 Blind Flanges
  • Carbon Steel A516 Grade 70 BLFF Flanges
  • ASTM A516 Gr 70 Carbon Steel Blind Flanges
  • Carbon Steel ASTM A516 Gr.70 Blind Flange
  • A516 CS Grade 70 Blind Flanges
Carbon Steel SocketWeld Flanges

ASTM A516 Grade 70 Weld Neck Flanges

  • Carbon Steel ASTM A516 Gr 70 Weld Neck Flange
  • Carbon Steel A516 Gr.70 Weld Neck Flanges
  • A516 CS Grade 70 Weld Neck Flanges
  • ANSI B16.5 CS Gr 70 Weld Neck Flanges
  • ASTM A516 Gr.70 Carbon Steel Weld Neck Flanges
  • Carbon Steel A516 Grade 70 WNFF Flanges
  • ASTM A516 Carbon Gr 70 WNRF Flange
Carbon Steel A105 Threaded Flanges

ASTM A516 Grade 70 Threaded Flanges

  • ASTM A516 Carbon Gr 70 Screwed Flange
  • Carbon Steel A516 Gr.70 Threaded Flanges
  • A516 CS Grade 70 Threaded Flanges
  • Carbon Steel A516 Gr 70 Screwed Flanges
  • ANSI B16.5 CS Gr.70 Threaded Flanges
  • ASTM A516 Grade 70 Carbon Steel Threaded Flanges
  • Carbon Steel ASTM A516 Gr 70 Threaded Flange
Carbon Steel Lap Joint Flanges

ASTM A516 Grade 70 Lap Joint Flanges

  • ASTM A516 Carbon Gr 70 Lap Joint Flange
  • ANSI B16.5 CS Gr.70 Lap Joint Flanges
  • ASTM A516 Grade 70 Carbon Steel Lap Joint Flanges
  • Carbon Steel A516 Gr 70 Lap Joint Flanges
  • Carbon Steel A516 Gr.70 LJ Flanges
  • A516 CS Grade 70 Lap Joint Flanges
  • Carbon Steel ASTM A516 Gr 70 Lap Joint Flange

Ready Stock Of Carbon Steel A516 Grade 70 Flanges

  • ASTM A516 Grade 70 CS Raised Face Flanges
  • Carbon Steel A516 Gr 70 Long Weld Neck Flanges
  • CS ASTM A516 Gr.70 Orifice Flange
  • A516 Grade 70 Carbon Pipe Flange
  • ASME B16.5 Class 150 Carbon Steel Gr 70 Flanges
  • ANSI B16.5 CS Gr.70 Class 300 Flanges Dimensions
  • ASTM A516 Grade 70 CS Spectacle Blind Flanges
  • CS A516 Gr 70 Flanges
  • ASTM A516 Gr.70 CS Ring Type Joint Flanges
  • Carbon A516 Grade 70 Flat Face Flange
  • ASTM A516 Gr 70 CS Reducing Flanges
  • CS ASTM A516 Gr.70 DIN Flanges
  • ASTM A516 Carbon Steel Grade 70 Lap Joint Flanges
  • ASTM A516 CS Gr 70 Long Weld Neck Flanges
  • A516 CS Gr.70 Slip On Flat Face Flanges
  • CS A516 Grade 70 Tongue & Groove Flanges
  • A516 Gr 70 Carbon Steel Spacer Ring Flanges
  • ASTM A516 Gr.70 CS Square Flanges
  • Carbon A516 Grade 70 Tongue and Groove Flanges
  • Carbon Steel A516 Gr 70 Large Tongue Flange
  • ASTM A516 Gr.70 CS Exhaust Flanges
  • ASTM A516 Grade 70 CS Male & Female Flanges
  • A516 Gr 70 Carbon Steel Custom Flanges
  • Carbon Steel ASTM A516 Gr.70 Flanges
  • A516 Grade 70 Carbon Steel SORTJ Flange
  • Carbon A516 Gr 70 NPT Threaded Flanges
  • CS A516 Gr.70 Nipoflange
  • CS A516 Grade 70 SWRTJ Flanges
  • CS A516 Gr 70 BLRTJ Flanges
  • ASTM A516 CS Gr.70 Paddle Blank and Spacer
  • Carbon Steel ASTM A516 Gr 70 Large Tongue Flange
  • A516 Grade 70 Carbon Flange Pressure Rating
  • CS ASTM A516 Gr 70 Flangeolet
  • Carbon Steel A516 Gr.70 Forged Flanges
  • ASTM A516 Grade 70 CS Large Diameter Flange
  • Carbon Steel A516 Gr 70 Screwed Flanges
  • ASTM A516M Carbon Steel Gr.70 Flange

ASTM A516 Grade 70 Carbon Steel Flange Dimensions

NPS
(in.)
Carbon Steel A516 Flange Dimensions
Dia. of
Flange
(in.)
No.
of
Bolts
Dia. of
Bolts
(in.)
Dia. of
Bolt Holes
(in.)
Bolt
Circle
(in.)
1/43-3/841/20.622-1/4
1/23-1/241/20.622-3/8
3/43-7/841/20.622-3/4
14-1/441/20.623-1/8
1-1/44-5/841/20.623-1/2
1-1/2541/20.623-7/8
2645/80.754-3/4
2-1/2745/80.755-1/2
37-1/245/80.756
3-1/28-1/285/80.757
4985/80.757-1/2
51083/40.888-1/2
61183/40.889-1/2
813-1/283/40.8811-3/4
1016127/8114-1/4
1219127/8117
14211211.1218-3/4
1623-1/21611.1221-1/4
1825161-1/81.2522-3/4
2027-1/2201-1/81.2525
2432201-1/41.3829-1/2

Size Chart of ASTM A516 Grade 70 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 A516 Gr.70 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 A516 Grade 70 CS Flanges Chemical Composition

Carbon (C) %
12.5mm or less
12.5 – 50mm
50 – 100mm
100 – 200mm
> 200mm
00.27
00.28
00.30
00.31
00.31
Manganese (Mn)
%
12.5mm or less
• Heat Analysis :
• Product Analysis :

Over 12.5mm
• Heat Analysis :
• Product Analysis :

00.85-1.20
00.79-1.30


00.85-1.20
00.79-1.30
Phosphorus (P)
%
(maximum) 00.035
Sulphur (S)
%
(maximum) 00.035
Silicon (Si)
%
• Heat Analysis :
• Product Analysis :
00.15-0.40
00.13-0.45

ASTM A516 Gr 70 Flanges Mechanical Properties

DESCRIPTION Tensile stress (ksi) Tensile stress (MPa) Yield stress (ksi) Yield stress (MPa) Elongation in 200mm (minimum)(%) Elongation in 50mm (minimum) (%) Thickness (maximum)(mm)
SA 516 Gr 70 70-90 485-620 38 260 17 21 205

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