Temperature		Creep, Percent	Average Initial Stress, Ksi (MPa) to Produce Specified Creep and Rupture
°F	°C	Creep, Percent	10 Hours		100 Hours		1,000 Hours		10,000 Hours*

1400	760	0.5	37.2	(255)	27.5	(190)	20.4	(140)	15.1	(105)
		1.0	39.8	(275)	29.5	(205)	21.9	(150)	16.2	(110)
		Rupture	47.9	(330)	33.9	(235)	24.0	(165)	17.0	(115)

1500	815	0.5	23.4	(160)	17.4	(120)	12.9	(89)	9.6	(66)
		1.0	26.3	(180)	18.6	(130)	13.5	(93)	9.8	(68)
		Rupture	30.2	(210)	20.9	(145)	14.5	(100)	10.0	(69)

1600	870	0.5	13.8	(95)	9.6	(66)	6.5	(45)	4.3	(30)
		1.0	15.9	(110)	10.5	(72)	6.8	(47)	4.4	(30)
		Rupture	22.4	(155)	13.2	(91)	7.8	(54)	4.5	(31)

1700	925	0.5	7.6	(52)	4.7	(32)	2.9	(20)	1.8	(12)
		1.0	8.3	(57)	5.1	(35)	3.1	(21)	1.9	(13)
		Rupture	11.0	(76)	6.5	(45)	3.9	(27)	2.3	(16)

1800	980	0.5	2.1	(14)	1.3	(9.0)	0.87	(6.0)	0.57	(3.9)
		1.0	2.3	(16)	1.5	(10)	0.96	(6.6)	0.63	(4.3)
		Rupture	3.7	(26)	2.5	(17)	1.7	(12)	1.2	(8.3)

1900	1040	0.5	1.2	(8.3)	0.69	(4.8)	0.41	(2.8)	0.24	(1.7)
		1.0	1.4	(9.7)	0.84	(5.8)	0.50	(3.4)	0.30	(2.1)
		Rupture	3.2	(22)	2.0	(14)	1.2	(8.3)	0.76	(5.2)

2000	1095	0.5	0.72	(5.0)	0.41	(2.8)	0.24	(1.7)	0.14	(1.0)
		1.0	0.90	(6.2)	0.53	(3.7)	0.31	(2.1)	0.18	(1.2)
		Rupture	2.2	(15)	1.4	(9.7)	0.92	(6.3)	0.59	(4.1)

*Significant extrapolation for 0.5% and 1.0% creep values.

Comparative Stress-Rupture Strengths, 1800F (980C) / 10,000 Hours

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