Zircaloy 4

Zr-4 Standard

Our Zr-4 sheet, Zr-4 bar, Zr-4 foil, Zr-4 wire, Zr-4 tube, Zr-4 target and Zr-4 parts all follow ASTM B351, ASTM B352 and ASTM B353.

Zr-4 Alloy Tube Tensile Property
Material State	Tensile Strength/Mpa		Yield Strength/Mpa		Elongation/%
Material State	Room Temperature	380˚C	Room Temperature	380˚C	Room Temperature	380˚C
Recrystallization	≥ 413	≥ 195	≥ 241	≥ 120	≥ 20	≥ 25
As-annealed	425	205	260	135	20	22

Zr-4 Alloy Absorbed Hydrogen Quantity under Irradiation
Alloy	Metallurgical State	Absorbed Hydrogen Weight Increment				Absorbed Hydrogen Quantity
Alloy	Metallurgical State	Distant Flux	Near Flux	1020 Neutron/cm²	1.7X1021 Neutron/cm²	Distant Flux	Near Flux	1020 Neutron/cm²	1.7X1021 Neutron/cm²
Zr-4	Anneal (perfillmimg)	0.5	0.4	-	1.9	22	80	-	17
Zr-4	Anneal (acid wash)	0	0.1	0.2	1.1	-	7	8	13

Zr-4 Alloy strain-fatigue life graph under different condition

Zr-4 Alloy recrystallization annealing-fatigue life graph

Nuclear Reactor Zirconium Alloys Application
Zirconium Alloy	Type of Reactor	Application
Zr-4	PWR, PHWR, low temperature nuclear heating reactor	fuel tube, control rod guide tube, measuring tube, grid spacer, end plug, element box