Codes for High-temperature Alloys
| Alloy | ASME | MMPDS | ||||||||||||
| 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 |
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 Cold 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)11
1500ºF (816ºC) |
– | 1650°F (900°C)1 | 6.3.9 |
| HAYNES® 242® alloy N10242 |
– | – | – | – | – | – | 1000°F (538°C)1 | – | – | – | – | – | – | – |
| HAYNES® 282® alloy N07208 |
– | – | – | – | – | – | – | – | – | – | – | – | 6.3.11 | |
| HAYNES® 556® alloy R50556 |
– | – | – | – | – | – | 1650°F (899°C)6 | 800°F (427°C)16 | 650°F (343°C)5 | 1500°F (816°C)17 | 1500°F (816°C)17 | 1200°F (649°C)3 | – | – |
| HAYNES® 617 alloy N06617 |
1650°F (899°C)7 | – | – | – | – | – | 1800°F (982°C)7 Code Case 2776 1650°F (899°C)16 |
– | – | – | – | 1200°F (649°C)7 | – | – |
| HAYNES® 625 alloy N06625 |
Grade 1 1100°F (593°C)1 Cold Case 2632 1200°F (650°C)12 Grade 2 1100°F (593°C)9 Cold Case 1935 1000°F (538°C)9 |
Grade 1 800°F (427°C)9 |
Grade 1 800°F (427°C)9 |
Grade 1 800°F (427°C)4 |
– | – | Grade 1 1200°F (649°C)1 Grade 2 1600°F (871°C)9 1200°F (649°C)16 |
Grade 1 800°F (427°C) (Bolting) Code Case 2468 800°F (427°C)7 |
Grade 1 650°F (343°C)1 Grade 2 650°F (343°C)10 |
1200°F (649°C)18 | 1200°F (649°C)11 | 1200°F (649°C)1 | 1200°F (649°C)7 | 6.3.3 |
| HAYNES® 625SQ® alloy N06626 | – | – | – | – | – | Code Case 2276 800°F (427°C)13 |
– | – | – | – | – | – | – | |
| 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 |
– | – | – | – | – | – | – |
| HAYNES® R-41 alloy N07041 |
– | – | – | – | – | – | – | – | – | – | – | – | – | 6.3.7 |
| HAYNES® Waspaloy alloy N07001 |
– | – | – | – | – | – | – | – | – | – | – | – | – | 6.3.8 |
| HASTELLOY® X alloy N06002 |
– | 800°F (427°C)5 | 800°F (427°C)5 | 800°F (427°C)5 | 800ºF (427ºC)1 | – | 1650°F (899°C)2 | 900ºF (482ºC)15 1650°F (899°C)5 800°F (427°C)16 |
650°F (343°C)2 | 1500°F (816°C)17 | 1500°F (816°C)14 | – | 1500°F (816°C)8 | 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
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
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