HIGH-TEMPERATURE ALLOY PROPERTIES

In the material selection process, many factors need to be considered including the temperature and environment. High temperature properties, although very useful in design, can also be key to selecting the most cost effective alloy.

Nominal Chemistry

AlloyUNSCrNiMoSiMnNCCeFeOther
410S4100012.2--0.30.4-0.14-87-
446S4460025--0.50.70.10.05-73-
304LS3040318.39-0.51.70.080.02-70-
316LS3160316.410.22.10.51.60.050.02-69-
321S3210017.39.3-0.71.8-0.04-700.4 Ti
321HS3210917.39.3-0.71.8-0.05-700.4 Ti
347, 347HS34700179.5-0.71.5-0.04-700.5 Cb
RA 253 MA®S308152111-1.70.60.170.080.0465-
309S309082313-0.81.6-0.05-62-
RA 602 CA®N060252563----0.2-90.1 Y, 0.08 Zr, 2.2 Al
310S310082520-0.51.6-0.05-52-
800H/ATN088112131-0.40.9-0.06-450.6 Ti, 0.4 Al
RA330®N083301935-1.21.5-0.05-43-
RA333®N063332545311.5-0.05-183 W, 3 Co
625N0662521.56190.10.1-0.05-43.6 Cb
601N0660122.561.5-0.20.3-0.05-141.4 Al
718N07718195230.10.1-0.04-185 Cb, 0.9 Ti, 0.5 Al
600N0660015.576-0.2----80.2 Ti, 0.2 Al
Alloy XN0600222479-----180.15 Ti, 0.5 Al, 0.6 W, 1.7 Co

Tensile Strength

Average Short-Time Ultimate Tensile Strength, ksi

AlloyTemperature, °F
RT200400600800100012001400160018001900200021002200
4466870.769.3807752.7155------
304L79.268.165.458.657.752.34228.5------
316L78.969.463.963.162.356.846.532.3------
3218472.862626259.545.527.5------
321H75.56762.562625945.527------
347, 347H8775.765.262.661.860.953.937.4------
RA 253 MA®1049083.582797463452211.59.59.47.53.7
30990-----52-188.5----
RA 602 CA®105---95.493.48454.432.817.113.61310.25.8
31082.678.172.572.271.867.854.135.119.110.4----
RA330®86.679.275.374.474.27156.735.921.110.4---3.2
RA333®107100.296.192.589.985.473.653.927.515.7-7.46.64.0
625144-134132131.5130119784017----
601100----90603418-----
718210204198195191185168110------
60093----846527.5157.5----
Alloy X111----89836745- ---

Yield Strength

Average Short-Time 0.2% Offset Yield Strength, ksi

AlloyTemperature, °F
RT200400600800100012001400160018001900200021002200
44649.74540.739.74542.3124.0------
304L33.828.723.62119.617.915.2-------
316L33.728.623.620.618.516.814.1-------
32138-20.5181716.51614------
347, 347H38.235.130.627.52625.624.820.6------
RA 253 MA®50.839.5322928252422147.05.54.03.02.0
30942-35-3024222018.08.5----
RA 602 CA®50.5---39.238.337.736.528.715.212.211.69.05.0
31035.132.528.326.324.320.820.719.312.26.4----
RA330®37.235.631.629.627.8252220.715.48.5----
RA333®4741.63732.531.530.830.728.923.912.1---2
62584-66636160.56058.539.017.0-6.55.03.5
60154----48412615-----
718175170163159156155149110------
60037----28.526.5179.04.0----
Alloy X55----36353428-----

Creep Strength

Average Stress, ksi, for 1% Total Creep in 10,000 Hours

AlloyTemperature, °F
1100120013001400150016001700180019002000
RA 253 MA®18106.44.22.71.71.00.450.25(0.18)
RA330®-6.6-3.8-1.8-0.22--
RA 602 CA®-26.8-9.4-2.381.520.960.590.33
RA333®19.5--5.3-2.45-0.77--

( ) Extrapolated

1% total creep includes the primary stage creep when the specimen is first loaded, as well as secondary stage creep.
Minimum creep rate data is based entirely on second stage creep.

Average Stress, ksi, for 0.00001% Per Hour Minimum Creep Rate – Extrapolated

AlloyTemperature, °F
900100011001200130014001500160017001800
446134.520.90.330.12----
304L-7.85.13.252.11.340.88---
304, 304H-17.911.17.24.52.91.8---
316L-22.5126.43.51.851---
321--9.23.91.70.740.32---
321H--12.4742.251.28---
347, 347H-30.516.28.74.72.51.3---
RA 253 MA®--128.25.73.82.251.751.150.55
RA330®-14.57.45.83.92.61.91.50.520.29
RA333®---6.85.44.62.91.91.10.56
601----5.22.91.91.4-0.48

*NOTE: In our opinion it is not good engineering practice to extrapolate data to 100,000 hours at temperatures above 1800°F.
This data is for general interest only.

Average Stress, ksi, for 0.0001% Per Hour Minimum Creep Rate

AlloyTemperature, °F
90010001100120013001400150016001700180019002000
446166.03.01.50.680.260.13-----
304L--7.74.953.22.051.3-----
304, 304H-25.516.510.87.04.62.95-----
316L-23.5148.34.92.91.75-----
321--208.83.851.70.75-----
321H--20.3127.14.22.5-----
347, 347H-5327.514.87.84.12.15-----
RA 253 MA®--1811.67.75.03.352.31.50.890.49(0.25)
309---168.83.42.41.40.60.22--
310---14.95.93.32.11.10.570.28--
RA330®-2110.57.65.33.62.72.11.00.5--
800 H/AT---179.16.0-3.61.51.05--
RA333®--229.87.76.44.22.71.650.88--
601-4127187.24.12.72.0-0.76--
718--1007443-------
600-----3.6-0.75-0.56-0.27
Alloy X------14.77.22.70.7--

Rupture Strength

Average Extrapolated 100,000 Hour Rupture Strength, ksi – Extrapolated

AlloyTemperature, °F
100011001200130014001500160017001800
446-2.31.8-0.74-0.27-0.14
304L19.511.66.94.12.41.45---
304, 304H25.815.89.86.03.72.3---
316L34.518.510.15.53.01.6---
321-16.58.74.62.451.27---
321H2917.410.36.13.62.1---
347, 347H37.520.811.56.43.551.95---
RA 253 MA®-158.74.62.92.11.450.970.7
RA 602 CA®--20.3-5.8-1.751.10.74
RA330®20127.84.82.71.651.00.580.33
800 H/AT--138.05.33.72.51.20.8
RA333®--11.58.46.53.71.91.050.58
601---6.84.0---0.7

*NOTE: In our opinion it is not good engineering practice to extrapolate data to 100,000 hours at temperatures above 1800°F.
This data is for general interest only.

Average 10,000 Hour Rupture Strength, ksi

AlloyTemperature, °F
1000110012001300140015001600170018001900200021002200
446-3.52.7-1.1-0.45-0.23----
304L2515.69.763.72.31.4------
304, 304H3622.213.88.55.33.25-------
316L3923.514.28.55.13.05-------
32134.523.512.97.242.28-------
321H-24.815.29.25.63.4-------
347, 347H4827.515.695.12.9-------
RA 253 MA®-22148.55.23.752.51.651.150.860.68--
309--1784.82.71.61.00.56----
RA 602 CA®--31.2-11.3-3.22.181.490.990.670.44-
310--14.47.44.52.81.50.940.66----
RA330®2917117.24.32.71.71.050.630.4(0.28)--
800 H/AT--17.5117.35.23.51.91.2----
RA333®-2516.5129.25.73.11.81.050.630.36-0.14
625--42.522.512(10)(7)(4)(1)----
601422921106.242.6-1.2-0.620.48-
7181289870----------
600-21.513.596.23.72.351.651.15----
Alloy X----7.6-2.3------

Average Stress

Maximum Allowable Design Stresses for ASME Boiler and Pressure Vessel Code (Section II, Part D, table 1A)

Temperature °FSA-387*SA-387**410
[S41000]
410S
[S41008]
17-4 H1150
[S17400]
304L
[S30403]
304H
[S30409]
316L
[S31603]
316H
[S31609]
347
[S34700]
Min. Tensile
Strength, ksi
606065601357075707575
Min. Yield
Strength, ksi
3530303010525

30

253030
-20 to 10017.117.118.617.138.616.72016.720.020.0
20017.117.118.417.138.614.32016.720.020.0
30017.116.617.816.838.612.818.916.720.018.8
40017.116.617.416.537.511.718.315.719.317.8
50017.116.617.216.336.810.917.514.818.017.2
60017.116.616.815.936.210.416.614.017.016.9
65017.116.616.615.635.910.216.213.716.616.8
70017.116.616.215.2-10.015.813.516.316.8
75017.116.615.714.7-9.815.513.216.116.8
80016.816.615.114.1-9.715.212.915.916.8
85016.416.614.413.4-9.514.912.715.716.8
90013.713.612.312.3-9.314.6-15.616.7
9509.310.88.88.8-9.114.3-15.416.6
10006.38.06.46.4-7.814-15.316.0
10504.25.74.44.4-6.312.4-15.112.1
11002.83.82.92.9-5.19.8-12.49.1
11501.92.41.81.8-4.07.7-9.86.1
12001.21.41.01.0-3.26.1-7.44.4
1250------4.7-5.53.3
1300------3.7-4.12.2
1350------2.9-3.11.5
1400------2.3-2.31.2
1450------1.8-1.70.9
1500------1.4-1.30.8
NOTES:S4, T4S4, T4,
W7, W9
T4T4G-32, W1G-36, T6G5, T7G5, G34G5, T8G5, G12,
T6

* Grade 11 Condition 1, ** Grade 22 Condition 1

Maximum Allowable Design Stresses for ASME Boiler and Pressure Vessel Code (Section II, Part D, table 1A)

Temperature °F321
[S32100]
309H
[S30909]
310H
[S31009]
RA 253 MA®
[S30815]
RA330®
[N08330]
600
[N06600]
601
[N06601]
800 H/AT
[N08811]
RA 602 CA®
[N06025]
Min. Tensile
Strength, ksi
757575877080806598
Min. Yield
Strength, ksi
303030453035302539
-20 to 10020.020.020.024.92022.920.016.726.0
20020.020.020.024.72022.917.816.725.5
30019.120.020.023.32022.916.616.724.7
40018.720.019.922.419.622.915.516.723.7
50018.719.419.321.819.422.914.716.722.7
60018.318.818.521.418.922.914.216.521.7
65017.918.518.221.218.522.914.016.121.2
70017.518.217.921.018.122.913.915.720.8
75017.218.017.720.817.722.913.815.320.5
80016.917.717.420.617.422.913.815.020.2
85016.717.517.220.31722.413.814.720.0
90016.517.216.920.016.716.013.814.519.8
95016.416.916.719.116.110.613.714.219.6
100014.913.813.814.912.77.013.714.016.3
10509.610.310.311.6104.513.613.812.3
11006.97.67.69.07.83.010.412.99.2
11505.05.55.56.962.28.010.46.9
12003.64.04.05.24.72.06.18.34.1
12502.63.03.04.03.8-4.66.72.8
13001.72.22.23.13.1-3.65.42.0
13501.11.71.72.42.4-2.84.31.5
14000.81.31.31.91.8-2.13.41.2
14500.51.00.971.61.5-1.72.70.97
15000.30.750.751.31.1-1.32.20.80
1550---1.00.9-1.11.60.68
1600---0.860.68-0.871.20.58
1650---0.710.48-0.710.910.51
NOTES:G5, G12,
T6
G5, H1, T6G5, T6G5, G6, T5G4, G5, H1,
T12
G5,T11G4, T14G4, G5, T15Case 2359-2

* Grade 11 Condition 1, ** Grade 22 Condition 1

Maximum Allowable Design Stresses for ASME Boiler and Pressure Vessel Code (Section VIII, Div 1, 1B)

Temperature °F718
[N07718]
LDX 2101®
[S32101]*
2205
[S31803]
ZERON® 100
[S32760]
AL-6XN®
[N08367]
625
[N06625]
Alloy 20
[N08020]
Alloy X
[N06002]
686
[N06686]
Min. Tensile
Strength, ksi
-101*90-951208095100
Min. Yield
Strength, ksi
-77*65-4560353545
-20 to 10037.028.925.731.127.134.322.923.328.6
20036.028.925.73126.234.320.623.328.6
30035.227.524.829.423.834.319.723.328.2
40034.626.523.92921.933.618.923.327.2
50034.226.523.32920.532.918.222.326.5
60033.826.523.12919.432.417.721.225.9
650----19.032.117.520.725.7
70033.6---18.631.817.420.325.4
75033.5---18.331.517.220.125.2
80033.3---18.031.216.819.924.9
85033.1----30.9-19.7-
90032.9----30.6-19.6-
95032.6----30.3-19.5-
100032.3----29.9-19.4-
105032.0----29.5-19.3-
110030.7----29-17.5-
115029.5----21-14.1-
1200-----13.2-11.3-
1250-------9.3-
1300-------7.7-
1350-------6.1-
1400-------4.8-
1450-------3.8-
1500-------3.0-
1550-------2.3-
1600-------1.7-
1650-------1.2-
NOTES:Case 1993-6
See T Bolting
Case 2418-1G32 PlateCase 2245-1-G22, G23,
T16
-G4, G5, T15G5

* Cold finished and heat treated (t < 0.0187 inch)

Thermal Expansion

in/in °F x 10-6

Alloy200400600800100012001400160018002000
3049.6-9.9-10.210.4----
3168.9-9-9.710.3----
22057.27.5--------
3219.39.49.51010.310.610.911.111.4-
3098.899.3-9.7--10.1--
3108.48.88.959.29.59.810.0510.1510.510.6
SA-3876.77.17.4-7.8-----
RA 253 MA®9.069.349.599.819.9710.1410.310.510.8-
4105.5----6.5----
RA 602 CA®6.67.57.88.18.28.599.59.79.8
RA330®8.38.68.9-9.39.6-9.810-
HR-120®7.958.298.568.88.989.249.529.729.87-
800AT7.98.899.29.49.69.910.2--
4465.65.7-66.16.36.46.77.3-
6007.47.77.98.18.48.68.99.19.3-
6017.68.018.118.38.58.879.199.519.8210.18
RA333®7---8.699.39.49.7-
Cast HH----9.59.79.910.210.510.7
Cast HK----9.49.69.81010.210.4
Cast HT7.98.148.378.618.859.099.339.569.810.04
Cast HP----9.29.59.81010.310.6
8257.88.38.58.78.89.19.59.7--
Alloy 208.28.48.65-8.959.159.39.5--
AL-6XN®7.98.378.68.88.969.3----
TiGr 24.8-5.1-5.45.6----
Alloy X7.77.87.98.28.48.68.899.2-
6257.17.37.47.67.88.28.58.8--
X-7507.67.77.98.08.28.48.99.39.8-
C2636.16.777.17.67.98.49.19.9-
7187.37.57.788.18.48.99.59.810
René 416.66.97.17.37.77.98.38.89.39.9
WASPALOY6.877.37.67.88.18.48.99.710.4
A-2869.29.359.59.659.89.910.3---
1886.677.47.88.28.699.49.910.3
L-6056.87.27.67.888.28.69.19.49.8
MULTIMET® N-1557.98.48.58.79.19.59.79.910.110.3
Haynes® 5568.18.28.48.68.899.29.49.59.6
Haynes® 23077.27.47.67.98.18.38.68.9-
6176.477.47.67.78.08.48.799.2
W---7.37.47.47.88.28.4-
Haynes® 214-7.4-7.98.28.699.610.211.1
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.