|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Table 2-1.1C Pressure-Temperature Ratings for Group
  1.1 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | C–Si |  | A 105 (1) |  | A 216 Gr. WCB (1) | A 515 Gr. 70 (1) |  |  | 
                    
						|  |  | C–Mn–Si |  | A 350 Gr. LF2 (1) |  | … |  | A 516 Gr. 70 (1), (2) |  | 
                    
						|  |  | C–Mn–Si–V |  | A 350 Gr. LF6 Cl. 1 (3) | … |  | A 537 Cl. 1 (4) |  |  | 
                    
						|  |  | 3-1⁄2Ni |  | A 350 Gr. LF 3 |  | … |  | … |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Upon prolonged exposure to temperatures
  above 800°F, the carbide phase of steel may be con verted 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 500°F. |  | 
                    
						|  |  | (4)  Not to be used over 700°F. |  | 
                    
						|  |  | Table 2-1.2C Pressure-Temperature Ratings for Group
  1.2 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | C–Mn–Si |  | … |  | A 216 Gr. WCC (1) | … |  |  | 
                    
						|  |  |  |  | … |  | A 352 Gr. LCC (2) |  | … |  |  | 
                    
						|  |  | C–Mn–Si–V |  | A 350 Gr. LF6 CL 2 (3) | … |  | … |  |  | 
                    
						|  |  | 2-1⁄2Ni |  | … |  | A 352 Gr. LC2 |  | A 203 Gr. B (1) |  |  | 
                    
						|  |  | 3-1⁄2Ni |  | … |  | A 352 Gr. LC3 (2) |  | A 203 Gr. E (1) |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Upon prolonged exposure to temperatures
  above 800°F, the carbide phase of steel may be con verted to graphite.
  Permissible but not recommended for prolonged use above 800°F. |  | 
                    
						|  |  | (2)  Not to be used over 650°F |  | 
                    
						|  |  | (3)  Not to be used over 500°F |  | 
                    
						|  |  | Table 2-1.3C Pressure-Temperature Ratings for Group
  1.3 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | C–Si |  | … |  | A 352 Gr. LCB (1) |  | A 515 Gr. 65 (2) |  |  | 
                    
						|  |  | C–Mn–Si |  | … |  | … |  | A 516 Gr. 65 (2), (3) |  | 
                    
						|  |  | C–1⁄2Mo |  | … |  | A 217 Gr. WC1  (4)-(6) | … |  |  | 
                    
						|  |  |  |  | … |  | A 352 Gr. LC1 (1) |  | … |  |  | 
                    
						|  |  | 2-1⁄2Ni |  | … |  | … |  | A 203 Gr. A (2) |  |  | 
                    
						|  |  | 3-1⁄2Ni |  | … |  | … |  | A 203 Gr. D (2) |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Not to be used over 650°F. |  | 
                    
						|  |  | (2)  Upon prolonged exposure to temperatures
  above 800°F, the carbide phase of steel may be con verted to graphite.
  Permissible but not recommended for prolonged use above 800°F. |  | 
                    
						|  |  | (3)  Not to be used over 850°F |  | 
                    
						|  |  | (4)  Upon prolonged exposure to temperatures
  above 875°F, the carbide phase of steel may be con verted to graphite.
  Permissible but not recommended for prolonged use above 875°F. |  | 
                    
						|  |  | (5)  Use normalized and tempered material only. |  | 
                    
						|  |  | (6)  The deliberate addition of any element not
  listed in ASTM A217, Table 1 is prohibited, except that calcium (Ca) and
  manganese (Mn) may be added for deoxidation. |  | 
                    
						|  |  | Table 2-1.4C Pressure-Temperature Ratings for Group
  1.4 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | C–Si |  | … |  | … |  | A 515 Gr. 60 (1) |  |  | 
                    
						|  |  | C–Mn–S |  | A 350 Gr. LF1, Cl.1 (1) | … |  | A 515 Gr. 60 (1), (2) |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Upon prolonged exposure to temperatures
  above 800°F, the carbide phase of steel may be con verted to graphite.
  Permissible but not recommended for prolonged use above 800°F. |  | 
                    
						|  |  | (2)  Not to be used over 850°F. |  | 
                    
						|  |  | Table 2-1.5C Pressure-Temperature Ratings for Group
  1.5 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | C–1⁄2Mo |  | A 182 Gr. F1 (1) |  | … |  | A 204 Gr. A (1) |  |  | 
                    
						|  |  |  |  | … |  | … |  | A 204 Gr. B (1) |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Note: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)   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. |  | 
                    
						|  |  | Table 2-1.7C Pressure-Temperature Ratings for Group
  1.7 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | 1⁄2Cr–1⁄2Mo |  | A 182 Gr. F2 (1) |  | … |  | … |  |  | 
                    
						|  |  | Ni–1⁄2Cr–1⁄2M |  | … |  | A 217 Gr. WC4 (1)-(3) | … |  |  | 
                    
						|  |  | 3⁄4Ni–3⁄4Cr–1Mo |  | … |  | A 217 Gr. WC5 (2), (3) | … |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Not to be used over 1,000°F. |  | 
                    
						|  |  | (2)  Use normalized and tempered material only. |  | 
                    
						|  |  | (3)  The deliberate addition of any element not
  listed in ASTM A217, Table 1 is prohibited, except that calcium (Ca) and
  manganese (Mn) may be added for deoxidation. |  | 
                    
						|  |  | Table 2-1.9C Pressure-Temperature Ratings for Group
  1.9 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | 1-1⁄4Cr–1⁄2Mo |  | … |  | A217 Gr. WC6 (1)-(3) | … |  |  | 
                    
						|  |  | 1-1⁄4Cr–1⁄2Mo–Si |  | A182 Gr. F11 Cl. 2 (1),
  (4) | … |  | A387 Gr. 11 (4) |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Use normalized and tempered material only. |  | 
                    
						|  |  | (2)  Not to be used over 1,100°F. |  | 
                    
						|  |  | (3)  The deliberate addition of any element not
  listed in ASTM A217, Table 1 is prohibited, except that calcium (Ca) and
  manganese (Mn) may be added for deoxidation. |  | 
                    
						|  |  | (4)  Permissible but not recommended for
  prolonged use above 1,100°F. |  | 
                    
						|  |  | Table 2-1.10C Pressure-Temperature Ratings for
  Group 1.10 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | 2-1⁄4Cr–1Mo |  | A182 Gr. F22 Cl. 3 (1) | A217 Gr. WC9 (2)-(4) | A387 Gr. 22 Cl. 2 (1) |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Permissible but not recommended for
  prolonged use above 1,100°F. |  | 
                    
						|  |  | (2)  Use normalized and tempered material only. |  | 
                    
						|  |  | (3)  Not to be used over 1,100°F. |  | 
                    
						|  |  | (4)  The deliberate addition of any element not
  listed in ASTM A217, Table 1 is prohibited, except that calcium (Ca) and
  manganese (Mn) may be added for deoxidation. |  | 
                    
						|  |  | Table 2-1.11C Pressure-Temperature Ratings for
  Group 1.11 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | C–1⁄2Mo |  | … |  | … |  | A204, Gr. C (1) |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Note: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1) 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. |  | 
                    
						|  |  | Table 2-1.13C Pressure-Temperature Ratings for
  Group 1.13 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | 5Cr–1⁄2Mo |  | A182 Gr. F5a |  | A217 Gr. C5 (1), (2) | … |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Use normalized and tempered material only. |  | 
                    
						|  |  | (2)  The deliberate addition of any element not
  listed in ASTM A217, Table 1 is prohibited, except that calcium (Ca) and
  manganese (Mn) may be added for deoxidation. |  | 
                    
						|  |  | Table 2-1.14C Pressure-Temperature Ratings for
  Group 1.14 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | 9Cr-lMo |  | A182 Gr. F9 |  | A217 Gr. C12  (1), (2) | … |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Use normalized and tempered material only. |  | 
                    
						|  |  | (2)  The deliberate addition of any element not
  listed in ASTM A217, Table 1 is prohibited, except that calcium (Ca) and
  manganese (Mn) may be added for deoxidation. |  | 
                    
						|  |  | Table 2-1.15C Pressure-Temperature Ratings for
  Group 1.15 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | 9Cr-lMo-V |  | A182 Gr. F91 |  | A217 Gr. C12 A (1) | A387 Gr. 91 CL 2 |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Note: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1) The deliberate
  addition of any element not listed in ASTM A217, Table 1 is prohibited,
  except that calcium (Ca) and manganese (Mn) may be added for deoxidation. |  | 
                    
						|  |  | Table 2-1.17C Pressure-Temperature Ratings for
  Group 1.17 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | 1Cr-1/2Mo |  | A182 Gr. F12 Cl. 2 (1),
  (2) | … |  | … |  |  | 
                    
						|  |  | 5Cr-1/2Mo |  | A182 Gr. F5 |  | … |  | … |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Notes: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1)  Use normalized and tempered material only. |  | 
                    
						|  |  | (2)  Permissible but not recommended for
  prolonged use above 1,100°F |  | 
                    
						|  |  | Table 2-1.18C Pressure-Temperature Ratings for
  Group 1.18 Materials |  | 
                    
						|  |  | Nominal |  |  |  |  |  |  |  |  | 
                    
						|  |  | Designation |  | Forgings |  | Castings |  | Plates |  |  | 
                    
						|  |  | 9Cr-2W-V |  | A182 Gr. F92 (1) |  | … |  | … |  |  | 
                    
						|  |  |  |  |  |  |  |  |  |  |  | 
                    
						|  |  | Note: |  |  |  |  |  |  |  |  | 
                    
						|  |  | (1) Application above
  1,150°F is limited to tubing of maximum outside diameter of 3 1/2 in |  |