Hardenability Curves for Nickel-Chromium-Molybdenum (43xx) Alloy Steels Figure 35. SAE/AISI 4320H UNS H43200. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 925 °C (1700 °F) Austenitize: 925 °C (1700 °F) Figure 36. SAE/AISI 4340H UNS H43400. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Figure 37. SAE/AISI E4340H UNS H43406. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Hardenability Curves for Nickel-Molybdenum (46xx) Alloy Steels Figure 38. SAE/AISI 4620H UNS H46200. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 925 °C (1700 °F) Austenitize: 925 °C (1700 °F) Figure 39. SAE/AISI 4626H UNS H46260. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 925 °C (1700 °F) Austenitize: 925 °C (1700 °F) Hardenability Curves for Nickel-Chromium-Molybdenum (47xx) Alloy Steels Figure 40. SAE/AISI 4718H UNS H47180. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 925 °C (1700 °F) Austenitize: 925 °C (1700 °F) Figure 41. SAE/AISI 4720H UNS H47200. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 925 °C (1700 °F) Austenitize: 925 °C (1700 °F) Hardenability Curves for Nickel-Molybdenum (48xx) Alloy Steels Figure 42. SAE/AISI 4815H UNS H48150. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 925 °C (1700 °F) Austenitize: 845 °C (1550 °F) Figure 43. SAE/AISI 4817H UNS H48170. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 925 °C (1700 °F) Austenitize: 845 °C (1550 °F) Figure 44. SAE/AISI 4820H UNS H48200. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 925 °C (1700 °F) Austenitize: 845 °C (1550 °F) [...]... for Nickel-Chromium-Molybdenum (86xx) Alloy Steels Figure 64 SAE/AISI 8617H UNS H86170 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 92 5 °C (1700 °F) Austenitize: 92 5 °C (1700 °F) Figure 65 SAE/AISI 8620H UNS H86200 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 92 5 °C (1700 °F) Austenitize: 92 5 °C (1700... rolled specimens only): 90 0 °C (1650 °F) Austenitize: 870 °C (1600 °F) Figure 69 SAE/AISI 8630H UNS H86300 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 90 0 °C (1650 °F) Austenitize: 870 °C (1600 °F) Figure 70 SAE/AISI 86B30H UNS H86 301 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 90 0 °C (1650 °F) Austenitize:... SAE/AISI 51B60H UNS H51 601 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Hardenability Curves for Chromium-Vanadium (61xx) Alloy Steels Figure 61 SAE/AISI 6118H UNS H61180 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 92 5 °C (1700 °F) Austenitize: 92 5 °C (1700 °F)... 50B46H UNS H50461 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Figure 49 SAE/AISI 50B50H UNS H50 501 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Figure 50 SAE/AISI 50B60H UNS H50 601 Heat-treating temperatures... SAE/AISI 8622H UNS H86220 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 92 5 °C (1700 °F) Austenitize: 92 5 °C (1700 °F) Figure 67 SAE/AISI 8625H UNS H86250 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 90 0 °C (1650 °F) Austenitize: 870 °C (1600 °F) Figure 68 SAE/AISI 8627H UNS H86270 Heat-treating temperatures... SAE/AISI 5120H UNS H51200 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 92 5 °C (1700 °F) Austenitize: 92 5 °C (1700 °F) Figure 52 SAE/AISI 5130H UNS H51300 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 90 0 °C (1650 °F) Austenitize: 870 °C (1600 °F) Figure 53 SAE/AISI 5132H UNS H51320 Heat-treating temperatures... (1700 °F) Austenitize: 92 5 °C (1700 °F) Figure 62 SAE/AISI 6150H UNS H61500 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 90 0 °C (1650 °F) Austenitize: 870 °C (1600 °F) Hardenability Curves for Nickel-Chromium-Molybdenum (81xx) Alloy Steels Figure 63 SAE/AISI 81B45H UNS H81451 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens... SAE/AISI 5150H UNS H51500 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Figure 58 SAE/AISI 5155H UNS H51550 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Figure 59 SAE/AISI 5160H UNS H51600 Heat-treating temperatures... SAE/AISI 50B40H UNS H50 401 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Figure 46 SAE/AISI 50B44H UNS H50441 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Figure 47 SAE/AISI 5046H UNS H50460 Heat-treating temperatures... SAE/AISI 5135H UNS H51350 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1650 °F) Austenitize: 845 °C (1600 °F) Figure 55 SAE/AISI 5140H UNS H51400 Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 870 °C (1600 °F) Austenitize: 845 °C (1550 °F) Figure 56 SAE/AISI 5147H UNS H51470 Heat-treating temperatures . Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 92 5 °C (1700 °F) Austenitize: 92 5 °C (1700 °F) Figure 39. SAE/AISI 4626H UNS H46260. Heat-treating. only): 92 5 °C (1700 °F) Austenitize: 92 5 °C (1700 °F) Hardenability Curves for Nickel-Chromium-Molybdenum (47xx) Alloy Steels Figure 40. SAE/AISI 4718H UNS H47180. Heat-treating. Nickel-Chromium-Molybdenum (43xx) Alloy Steels Figure 35. SAE/AISI 4320H UNS H43200. Heat-treating temperatures recommended by SAE Normalize (for forged or rolled specimens only): 92 5 °C