What Is ASTM A516 Grade 70 Flange?

A flange connects valves, tubes, pumps, and other piping equipment to produce a good piping structure. The A516 Gr 70 Flange is efficient in connecting the pipes that allow it to inspect and easily modify the system. These flanges are designed with chromium, nickel, and molybdenum content. SA 516 Gr 70 Flange is a pressurized grade that work well in elevated temperature conditions. These flange are preferred in the oil and gas industry as they possess excellent corrosion resistance properties.

The ASTM A516 Grade 70 Flange possesses superior strength and good notch toughness. These flanges are very durable and are easy to install and maintain for long periods. A516 Grade 70 Steel Flange provides stability and strength to the piping equipment as there is the movement of fluids and gases at extreme speeds. These flange are available in standard face types and schedules.

ASTM A516 Grade 70 Flange

find Coating Types Of SA 516 GR 70 Spectacle Blind Flanges in Ex-Stock


The Spectacle Blind A516 Gr 70 are safety devices that are installed between two piping flange. During normal operation, the open end of the spacer is inserted, ensuring a smooth flow, while to stop the flow the blind is inserted in the system. A516 Gr70n Spectacle Blind Flange is supplied in nominal conditions. These flange are permanent grade in applications where repair and maintenance of the system are necessary. The SA 516 Gr 70 Spade Flange can weigh different for different applications as per the size of the pipe. The flange are produced with the best technology and are available at reasonable prices across all our outlets. 

Top 5 Coating Types Of ASTM A516 Grade 70 Flange

  • Cold and Hot Dip Galvanized

  • Oil Black Paint

  • Yellow Transparent

  • Zinc Plated

  • Longevity

Check ASME SA 516 GR 70 Figure-8 Blank Flange Specification Suitable for Corrosion Resistance Environment

SA 516 GR 70 Spectacle Blind Flanges Specification

Common Size :

Common Size :

  • NPS:1/2" to 48"
  • DN15 To DN1500
  • 15NB - 1500NB
  • Contact ASTM A516 Grade 70 Flange manufacturer in India for above 48 Inch
Pressure Types :

Pressure Types :

  • 600# & 900#
  • 1500# & 2500#
  • 150# & 300#
International standard :

International standard :

Maximum Size :

Maximum Size :

  • 26" To 60"
Types :

Types :

  • Plate
  • Forged
  • Cast
 Number Of Bolts Hole :

Number Of Bolts Hole :

  • 4 To 48
Surface Finish :

Surface Finish :

  • Spiral Serrated
  • Cold Water Finish
  • Mirror Finish
  • Concentric Serrated
  • Stock & Smooth
Face Types :

Face Types :

  • Male & Female
  • FF Face
  • RF Face
  • RTJ Face
  • Tongue & Groove
 Types Of Threads :

Types Of Threads :

  • BSPT
  • NPT
  • BSP
  • FPT
  • MPT & MNPT
Wall Thickness :

Wall Thickness :

  • SCH 120/ 140/ 180
  • SCH 60/ 80/ 100
  • SCH 10/ 20/ 40
Applications :

Applications :

  • Petrochemicals
  • Power Generation
  • Nuclear Energy
  • Oil & gas plants
Inspection plan :

Inspection plan :

  • PMI test
  • Material inspection
  • Impact test
  • Tensile test
  • Hardness test
Advantages :

Advantages :

  • Non-magnetic
  • Excellent weldability
End Connection :

End Connection :

  • Threaded
  • Welding
Marking details :

Marking details :

  • Grade & Material
  • Size & Schedule
  • Manufacturers Name
  • Standard & Heat No.
Life :

Life :

  • Stainless Steel = 30 To 35
Germany Standards (DIN) :

Germany Standards (DIN) :

Japanese Standard (JIS) :

Japanese Standard (JIS) :

AWWA Standard :

AWWA Standard :

BS Standard :

BS Standard :

Value Added Services :

Value Added Services :

  • Beveling end
  • Casting
  • Threading
  • Polishing
  • Minor Fabrication
Types Of Logistics :

Types Of Logistics :

  • By Sea
  • By Air
  • Kenya = 19 days
  • Spain = 30 day
  • Uk = 30 day
  • Thailand = 7 days
  • Russia = 20 day
  • Denmark = 35 day
  • Australia = 21 days
Packaging Method :

Packaging Method :

  • Wooden Cases
  • Wooden Pallet
  • Carton Box
Documentation :

Documentation :

  • Material traceability records
  • Fumigation certificates
  • Raw material test reports
Applicable Fluids :

Applicable Fluids :

  • Water & Air
  • Oil and Gas
  • Steam
Forging Temperature :

Forging Temperature :

  • 850°F
  • 455°C

ASME SA 516 GR 70 Figure-8 Blank Flange Price List

Size In Inch Price In INR (India) Price In US$ (Doller)
4 ₹ 388.00 $ 4.50
6 ₹ 698.00 $ 8.09
8 ₹ 1267.00 $ 14.69
10 ₹ 1689.00 $ 19.58
12 ₹ 2195.00 $ 25.45

Face Types Of SA 516 GR 70N Spacer Flanges

  • FF Face

  • RF Face

  • RTJ Face

  • Tongue & Groove

  • Male & Female

Providing Best Quality SA 516 GR 70N Spacer Flanges for for Moderate and Lower Temperature Service

What Is Purpose of A516 Gr 70 Paddle Blanks?

  • To isolate a section of a pipe or device for maintenance

Jointing Method Of SA 516 Gr 70 Carbon Steel Spectacle Blank

  • Gasket placement

  • Rotation mechanism

  • Bolt torque

  • Gasket material selection

  • Inspection

ASME 516 GR 70 Paddle Spacer Manufacturing Process

ASME 516 GR 70 Paddle Spacer Manufacturing Process

Since 22 Years, Experts in Manufacturing A516 Gr 70 Paddle Blanks in India, Check Gasket & Pressure Class

Gasket for SA 516 Gr 70 Black Spade Flange

Gasket for SA 516 Gr 70 Black Spade Flange

ASTM A516 Gr 60 Spade Flange Pressure Class

  • Class 300 (lb) up to 24"

  • Class 900 (lb) up to 16"

  • Class 600 (lb) up to 20"

  • Class 1500 (lb) up to 10"

  • Class 2500 (lb) up to 8"

ASTM A516 Grade 70 Chemical Composition

Carbon [C] :

Carbon [C] :

  • 0.10-0.22% (Maximum)
Manganese [Mn] :

Manganese [Mn] :

  • 1.0 - 1.7% (Maximum)
Sulfur [S] :

Sulfur [S] :

  • 0.03% (Maximum)
Silicon [Si] :

Silicon [Si] :

  • 0.6% (Maximum)
Molybdenum  [mo] :

Molybdenum [Mo] :

  • 0.08% (Minimum)
Nickel  [Ni] :

Nickel [Ni] :

  • 0.3% (Minimum)
Chromium [Cr] :

Chromium [Cr] :

  • 2.50 (Maximum)
Niobium [Nb] :

Niobium [Nb] :

  • 0.1% (Maximum)
Copper [Cu] :

Copper [Cu] :

  • 0.3% (Maximum)

ASTM A516 GR70 Spectacle Blind Mechanical Properties

Density :

  • 7.80 g/cm3

Melting Point :

  • 1,400°C

Tensile Strength :

  • 510 - 650 MPa

Yield Strength :

  • 335 MPa

Elongation :

  • 21%
Supply and Stock SA 516 Gr 70 Carbon Steel Spectacle Blank in Mumbai, Also View Temperature Ratings and Maximum Allowable Stress

Temperature Ratings Of ASME SA 516 GR 70 paddle blanks

  • 900 - 950 ºC

ASTM A516 Grade 70 Paddle Spacer Maximum Allowable Stress

Temperature MAS Temperature MAS
-20~100 20 650 18.8
150 20 700 18.1
200 20 750 14.8
250 20 800 12
300 20 850 9.3
400 20 900 6.7
500 20 950 4
600 19.4 1000 2.5

Types Of ASTM A516 Grade 70 Flange

SA 516 GR 70 Spectacle Blind

SA 516 GR 70 Spectacle Blind

ASME SA 516 GR 70 Spacer Rings

ASME SA 516 GR 70 Spacer Rings

SA 516 GR 70N Spectacle Blind Flange

SA 516 GR 70N Spectacle Blind Flange

A516 Gr 70 Spade Blinds

A516 Gr 70 Spade Blinds

SA 516 Gr 70 Paddle Blind Flange

SA 516 Gr 70 Paddle Blind Flange

Carbon Steel Figure 8 Blind Flange

Carbon Steel Figure 8 Blind Flange

SA 516 GR 70 Slip Blind Plate

SA 516 GR 70 Slip Blind Plate

ASME SA 516 GR 70 Pipe Skillet Blind

ASME SA 516 GR 70 Pipe Skillet Blind

SA 516 GR 70N Spacer Spectacle Blind

SA 516 GR 70N Spacer Spectacle Blind

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