FabDigit

Refractory Metal

Refractory Metal Nuclear Grade Hafnium (R1)

Refractory Metal Nuclear Grade Hafnium (R1) is a refractory metal.

Properties

Datasheet

Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.

Against other refractory metal grades

Yield strength
199 MPa29 ksifamily median 290 MPa42 ksi546 MPa79 ksi
Tensile strength
324 MPa47 ksifamily median 615 MPa89 ksi946 MPa137 ksi
Density
8.77 g/cm³0.317 lb/in³family median 10.21 g/cm³0.369 lb/in³18.05 g/cm³0.652 lb/in³
Hardness (HB equiv.)
98 HBfamily median 195 HB244 HB
Max service temp
1,900 °C3,452 °Ffamily median 2,000 °C3,632 °F2,520 °C4,568 °F
Electrical conductivity
11 % IACSfamily median 13 % IACS32 % IACS
Machinability
34 / 100family median 40 / 10040 / 100
Relative cost
150family median 150150

Strength versus weight in the refractory metal family

Yield strength against density for every refractory metal grade FabDigit runs. Nuclear Grade Hafnium (R1) is highlighted; hover a dot for its name, or open the interactive family chart.

200300500101520Density (g/cm³)Yield strength (MPa) — log scale

Equivalent designations

Standards and trade names that resolve to Refractory Metal Nuclear Grade Hafnium (R1) in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.

UNS
R01001
ASTM
B737
Also called
Grade R1哈铟金属控制棒用哈铟反应堆级铪铪R1级核纯铪

Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.