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Abstract

The paper presents data on the short-time high-temperature tensile properties and creep properties of four steels which are in common use in the chemical industry, these data having been recently obtained from tests done at the Imperial Chemical Industries (I.C.I.) Creep Test Station. The steels tested were:

(1)

low-carbon 1 per cent chromium-molybdenum (Cr-Mo) steel;

(2)

medium-carbon 1 per cent Cr-Mo steel;

(3)

low-carbon 3 per cent Cr-Mo steel;

(4)

18/10/Mo/Ti chromium-nickel (Cr-Ni) austenitic steel.

Information is also given on the effect of long-term heating under stress on the micro-structure of the steels, and in the case of the austenitic steel the effect on the room-temperature mechanical properties is discussed. The application of the data to design, and their relation to existing specifications is also discussed.

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References

Amer. Soc. Test. Mat. (A. S. T. M.) 1953 Special Technical Publication No. 151, ‘Report on the Elevated-temperature Properties of Chromium-Molybdenum Steels’.

B. S. I. 1956 ‘Data on the Mechanical Properties of Steels at Elevated Temperatures, No. 2, Wrought 1 per cent Chromium 1/2 per cent Molybdenum Low-carbon Steel, P. D.2648’.

Colbeck

E. W.

Rait

J. R.

Ward

J. O.

1953 Engineering, Lond., vol. 176, p. 537.

Glen

1948 J. Iron St. Inst., vol. 158, p. 37, ‘The Creep Properties of Molybdenum, Chromium-Molybdenum, and Molybdenum-Vanadium Steels’.

1955 J. Iron St. Inst., vol. 179, p. 320, ‘Some Additional Creep and Rupture Data on Molybdenum, Chromium-Molybdenum, and Molybdenum-Vanadium Steels’.

Larke

E. C.

Inglis

N. P.

1958 Proc. Instn mech. Engrs, Lond., vol. 172, No. 36, ‘Strength at Elevated Temperatures of Aluminium and Certain Aluminium Alloys’.

The High Temperature Properties of Four Wrought Steels Used in the Chemical Industry

Abstract

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References