Hardness

Form	Aging Temperature		Aging Time	Hardness
Form	°F	°C	h	HRA
Sheet	Solution-annealed		-	52
	1000	538	1000	64
			4000	66
			8000	65
			16000	67
	1200	649	1000	56
			4000	55
			8000	56
			16000	55
	1400	760	1000	54
			4000	54
			8000	53
			16000	54
Plate	Solution-annealed		-	57
	800	427	1000	57
			4000	52
			8000	52
			16000	56
	1000	538	1000	64
			4000	63
			8000	65
			16000	67
	1200	649	1000	57
			4000	55
			8000	56
			16000	57
	1400	760	1000	57
			4000	57
			8000	56
			16000	57
	1600	871	1000	56
			4000	56
			8000	54
			16000	54
All Weld Metal**	As-Welded		-	56
	1000	538	1300	64
	1000	538	4000	66
	1200	649	1000	55
			4000	59
			8000	57
			16000	58

*Single tests from a single hear for each form **Gas tungsten arc welded
HRA = Hardness Rockwell “A"

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HASTELLOY® S alloy