Codes for High-temperature Alloys
| ASME | MMPDS | |||||||||||||
| Alloy | Section I | Section III | Section IV | Section VIII | Section XII | B16.5 | B16.34 | B31.1 | B31.3 | |||||
| Class 1 | Class 2 | Class 3 | Classes TC and SC | HF-300.2 | Div. 1 | Div. 2 | ||||||||
| HAYNES® 25 alloy R30605 | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.4.1 |
| HAYNES® 188 alloy R30188 | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.4.2 |
|
HAYNES® 230® alloy N06230 HAYNES® 230-W® alloy N06231 |
1650°F (899°C)1 Code Case 2063 1000°F (538°C) Code Case 2756 1000°F (538°C) to 1250°F (677°C) Water Wetted Code Case 2665 1300°F (704°C) Molten Salt |
– | – | – | – |
500°F (132°C)1 |
1800°F (982°C)1 Code Case 2671 External Pressure 1800°F (982°C)Code Case 2775 1650°F (899°C)16 |
– |
650°F (343°C)1 |
1500°F (816°C)18 |
1500°F (816°C)1 1500ºF (816ºC) Code Case 6 Valves, Temp Pressure Rating Increase, Forgings |
– |
1650°F (900°C)1 |
6.3.9 |
| HAYNES® 242® alloy N10242 | – | – | – | – | – | – |
1000°F (538°C)19 |
– | – | – | – | – | – | – |
| HAYNES® 282® alloy N07208 | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.3.11 |
| HAYNES® 556® alloy R30556 | – | – | – | – | – | – |
1650°F (900°C)14 |
800°F (427°C)19 |
650°F (343°C)5 |
1500°F (816°C)20 |
1500°F (816°C)20 |
1200°F (649°C)2 |
– | – |
| HAYNES® 617 alloy N06617 (W86117) |
1650°F (899°C)4 |
– | – | – | – | – |
1800°F (982°C)4 Code Case 2776 1650°F (899°C)19 |
– | – | – | – |
1200°F (649°C)4 |
– | – |
| HAYNES® 625 alloy N06625 (W86112) |
Grade 1 1100°F (593°C)1 Code Case 2632 1200°F (650°C)14 Grade 2 1100°F (593°C)7 Code Case 1935 1000°F (538°C)7 |
Grade 1800°F (427°C)7 |
Grade 1800°F (427°C)7 |
Grade 1800°F (427°C)2 |
– | – |
Grade 1 1200°F (649°C)1 Grade 2 1600°F (871°C)7 1200°F (649°C)19 |
Grade 1 800°F (427°C) (Bolting) Code Case 2468 800°F (427°C)4 |
Grade 1 650°F (343°C)1Grade 2 650°F (343°C)19 |
1200°F (649°C)11 |
1200°F (649°C)6 |
1200°F (649°C)1 |
1200°F (649°C)6 |
6.3.3 |
| HAYNES® 625SQ® alloy N06626 | – | – | – | – | – |
Code Case 2276 800°F (427°C)12 |
– | – | – | – | – | – | – | |
| HAYNES® 718 alloy N07718 | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.3.5 |
| HAYNES® HR-120® alloy N08120 | – | – | – | – | – | – |
1800°F (982°C)2 |
– | – | – | – | – | – | 6.3.10 |
| HAYNES® HR-160® alloy N12160 | – | – | – | – | – | – |
1800°F (982°C)1 |
– | – | – | – | – | – | – |
| MULTIMET® R30155 (W73155) | – | – | – | – | – | – |
Code Case 3058 1600°F (870°C)3 |
– | – | – | – | – | – | – |
| HAYNES® R-41 alloy N07041 | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.3.7 |
| HAYNES® Waspaloy alloy N07001 | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.3.8 |
| HASTELLOY® X alloy N06002 (W86002) | – |
800°F (427°C)5 |
800°F (427°C)5 |
800°F (427°C)5 |
800°F (427°C)1 |
– |
1650°F (899°C)16 |
900ºF (482ºC)18 1650°F (899°C)5 800°F (427°C)19 |
650°F (343°C)18 |
1500°F (816°C)20 |
1500°F (816°C)10 |
– |
1500°F (816°C)17 |
6.3.1 |
| HAYNES® X-750 alloy N07750 | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.3.6 |
1Approved material forms: Plate, Sheet, Bar, Forgings, fittings, welded pipe/tube, seamless pipe/tube
2Approved material forms: Plate, Sheet, Bar, fittings, welded pipe/tube, seamless pipe/tube, Bolting
3Approved material forms: Plate, Sheet, Bar, fittings, welded pipe/tube, seamless pipe/tube
4Approved material forms: Plate, Sheet, Bar, Forgings, welded pipe/tube, seamless pipe/tube
5Approved material forms: Welded pipe/tube, seamless pipe/tube
6Approved material forms: Plate, Sheet, Bar, welded pipe/tube, seamless pipe/tube, Bolting
7Approved material forms: Plate, Sheet, Bar, Forgings, seamless pipe/tube
8Approved material forms: Plate, Sheet, fittings, welded pipe/tube, seamless pipe/tube
9Approved material forms: Plate, Sheet, Bar, seamless pipe/tube
10Approved material forms: Plate, Sheet, Bar, seamless pipe/tube, Bolting
11Approved material forms: Plate, Bar, Forgings, seamless pipe/tube
12Approved material forms: Plate, Sheet, welded pipe/tube
13Approved material forms: Sheet, fittings, welded pipe/tube
14Approved material forms: Plate, Bar, seamless pipe/tube
15Approved material forms: Plate, Sheet, and Rod
16Approved material forms: Bolting only
17Approved material forms: Plate, Bar
18Approved material forms: Plate, Forgings
19Approved material forms: Bolting only
20Approved material forms: Plate, Bar