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Material Pressure –Temperature Ratings

 

Material
Group

Material

See
Notes

Forgings

Plate

1.1

A 105

A 515-70

1

A 350 LF2

 

1

A 350 LF6 CL1

 

4

 

A 516-70

1,2

 

A 537 CL 1

3

1.2

A 350 LF6 CL 2

 

4

A 350 LF3

 

 

 

A203B

1

 

A203E

1

1.4

A350LF1 CL1

A 515-60

1

 

A 516-60

1,2

1.5

A 182 F1

 

5

 

A 203 A

5

 

A203B

5

1.7

A 182 F2

 

6

 

A204C

5

1.9

A182F11 CL2

 

7,8

A 182 F12CL2

 

7,8

 

A 387-11 CL2

8

1.10

A182F22CL3

A 387-22 CL 2

8

1.13

A 182 F5

 

 

A 182 F5a

 

 

1.14

A182F9

 

 

1.15

A182F91

A 387-91 CL2

 

2.1

A182F304

A 240-304

9

A 182 F304H

A 240-304H

 

2.2

A 182 F316

A 240-316

9

A182F316H

A 240-316H

 

 

A 240-317

9

2.3

A182F304L

A 240-304L

10

A182F316L

A 240-316L

 

2.4

A 182 F321

A 240-321

6

A182F321H

A 240-321H

11

2.5

A182F347

A 240-347

6

A182F347H

A 240-347H

11

A182F348

A 240-348

6

A182F348H

A 240-348H

11

2.6

 

A 240-309S

9,12,13

 

A 240-309H

 

2.7

A182F310

 

9,12

 

A 240-31 OS

9,12,13

 

A 240-31 OH

 

 


Click for Data Sheet

GENERAL NOTE

Plate materials are listed for reference where they are to be used for blind flanges.
For additional details see latest edition of ASME B16.5a-1998 and ASME B16.47-1996.

NOTE

  1. Upon prolonged exposure to temperatures above 800 °F, the carbide phase of steel may be converted to graphite. Permissible, but not recommended for prolonged use above 800 °F.
  2. Not to be used over 850°F.
  3. Not to be used over 700°F.
  4. Not to be used over 500°F.
  5. Upon prolonged exposure to temperatures above 875 °F, the carbide phase of carbon-molybdenum steel may be converted to graphite. Permissible, but not recommended for prolonged use above 875°F.
  6. Not to be used over 1000°F.
  7. Use normalized and tempered material only.
  8. Permissible, but not recommended for prolonged use above 1100°F.
  9. At temperatures over 1000°F, use only when the carbon content is 0.04% or higher.
  10. Not to be used over 800 °F.
  11. At temperatures over 1000°F, use only if the material is heat treated by heating to a minimum temperature of 2000°F.
  12. For temperatures above 1000°F, use only if the material is heat treated to the minimum temperature specified in the specification but not lower than 1900°F, and quenching in water or rapidly cooling by other means.
  13. This material can be used for service temperatures 1050°F and above only when assurance is provided that grain size is not finer than ASTM 6.

NOTE:
Technical data contained in this section governed by ASME or other Codes/Specifications are subject to change and are therefore provided for information purposes only and are not to be used for design purposes. Refer to latest edition of applicable Code/Specification and addendums thereto for required design data.

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Contact us at (281) 441-4088 for more information on our manufacturing of forged pressure vessel connections.