R05252 - ASTM B708-2025

Grade	R05252
Corresponding Standard	ASTM B 708-2025 Tantalum and Tantalum Alloy Plate, Sheet, and Strip
Classification	Other metal materials

R05252 Chemical Element Composition Content (%)

Component	Fe	C	Si	Ni	Mo	N	Ti	W	Nb	H	O	More
Minimum Value	-	-	-	-	-	-	-	2	-	-	-	Ta:Rem.
Maximum Value	0.01	0.01	0.005	0.01	0.02	0.01	0.01	3.5	0.5	0.0015	0.015	Ta:Rem.

R05252 Mechanical Properties

thickness t in.	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
t＜0.125	Annealed	≥276	≥207	≥20
t≥0.125	Annealed	≥276	≥152	≥25

R05252 Corresponding Standards(Same grade name, different standards)

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