The thermal expansion coefficients for Hastelloy C-276(UNS N10276) are provided in below tables. All tabulated values are abstracted from ASME BPVC Section II Part D (Properties).

1. Instantaneous Coefficient of Thermal Expansion for Hastelloy C-276

*Temp.	70	100	150	200	250	300	350	400	450	500
*Coefficient A	6.0	6.1	6.4	6.6	6.8	7.0	7.2	7.3	7.5	7.7
*Temp.	550	600	650	700	750	800	850	900	950	1000
*Coefficient A	7.8	7.9	8.0	8.1	8.2	8.3	8.4	8.5	8.6	8.7
*Temp.	1050	1100	1150	1200	1250	1300	1350	1400	1450	1500
*Coefficient A	8.8	8.9	8.9	9.0	9.1	9.2	9.2	9.3	9.2	9.2

*Temp.: temperature, unit: °F. *Coefficient A: instantaneous coefficient of thermal expansion, unit: 10^-6inch/inch/°F.

2. Mean Coefficient of Thermal Expansion for Hastelloy C276

*Temp.	70	100	150	200	250	300	350	400	450	500
*Coefficient B	6.0	6.1	6.2	6.3	6.4	6.5	6.6	6.7	6.8	6.9
*Temp.	550	600	650	700	750	800	850	900	950	1000
*Coefficient B	7.0	7.1	7.1	7.2	7.3	7.4	7.4	7.5	7.5	7.6
*Temp.	1050	1100	1150	1200	1250	1300	1350	1400	1450	1500
*Coefficient B	7.7	7.7	7.8	7.8	7.9	7.9	8.0	8.0	8.1	8.1

*Temp.: temperature, unit: °F.
*Coefficient B: mean coefficient of thermal expansion in going from 70°F to indicated temperature, unit: 10^-6inch/inch/°F.

3. Linear Thermal Expansion for Hastelloy C-276

*Temp.	70	100	150	200	250	300	350	400	450	500
*Coefficient C	0	0.2	0.6	1.0	1.4	1.8	2.2	2.7	3.1	3.6
*Temp.	550	600	650	700	750	800	850	900	950	1000
*Coefficient C	4.0	4.5	5.0	5.5	5.9	6.4	6.9	7.5	8.0	8.5
*Temp.	1050	1100	1150	1200	1250	1300	1350	1400	1450	1500
*Coefficient C	9.0	9.5	10.1	10.6	11.2	11.7	12.3	12.8	13.4	13.9

*Temp.: temperature, unit: °F.
*Coefficient C: linear thermal expansion in going from 70°F to indicated temperature, unit: inch/100 ft.