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steel pipe expands at .0000067 per deg. per foot example a steel pipe 100 ft.long at 30F when heated to 80F will be EL=expansion length L1=original length t2-t1=temp change CE=coefficient of expansion L2=final length EL=100(80-30)x.0000067 100x50x.0000067=.0335 or 3/8" (approx.) L2=100ft. 3/8in.

Pipeline thermal expansion elongation of the formula:

Where: linear expansion coefficient of carbon steel 12X10-6 / ℃

△ L = (t1-t2) L

△ L- pipe thermal expansion elongation (m) - medium temperature (℃) linear expansion coefficient of carbon steel 12X10-6 / ℃ t1- pipeline running temperature (℃) t2- during pipeline installation, L- computing length (m) pipe section

△ L = a (t1-t2) L a-- linear expansion coefficient of carbon steel 12X10-6 / ℃

East Pipe Industry Co., Ltd., is a steel pipe suppliers eaststeelpipe.com/ set in 1979 in china weifang , East Pipe Co., Ltd., furnishs manufacture , Development , export , import of pipe couplings , East Pipe Co., Ltd., is one of the biggest distributor of anti-corrosion pipes and steel fire sprinkler pipe in China . The factory has more than 30 years technical research experience of pipe couplings rely on annual manufacturing capacity of 500,000 tons .

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