Piping Material Coefficient of

Thermal Expansion

in / in / oF

Aluminum 0.000098
Brass-red 0.000009
Brass-yellow 0.000001
Copper 0.00001
Cast iron 0.0000056
Carbon Steel 0.000005
Ductile iron 0.0000067
Stainless steel 0.0000115
Borosilicate (glass) 0.0000018
ABS 0.00005
CAB 0.00008
CPVC 0.000035
FRP - Epoxy 0.000012
FRP - Polyester 0.000017
FRP - Vinyl Ester 0.00001
FEP 0.000005
HDPE 0.00011
PAEK 0.000023
PB 0.00015
Polyethylene 0.00008
Polyetheretherketone (PEEK) 0.000026
PEX 0.00093
PFA 0.000066
Polypropylene (PP) 0.000065
PPS 0.00003
Polyvinyl Chloride (PVC) 0.00004
Polystyrene (PS) 0.000031
PTFE 0.000038
PVDF 0.000096
Saran 0.000038
Styrene 0.00006
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