DIMENSIONAL STABILITY OF IRON AT HIGH TEMPERATURE

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DIMENSIONAL STABILITY OF IRON AT HIGH TEMPERATURE

Gray iron

Ductile iron

Low carbon steel castinhg

Low Alloy steel casting

Shape stability

Excellent

Average

Bad

Average

Creep, (%/hr at 800°F, 25 Ksi)

Excelent .001 - .01

Average .02 - .20

Bad / Average .05 - .5

Bad / Average .005 - .05

Resistance to swelling

Bad

Good

Good / Very Good

Very Good