F1058 Grade 1 R30003 - ASTM F1058-2016

Grade	F1058 Grade 1
USA UNS	R30003
Corresponding Standard	ASTM F1058-2016 Wrought 40Cobalt-20Chromium-16Iron-15Nickel- 7Molybdenum Alloy Wire, Strip, and Strip Bar for Surgical Implant Applications (UNS R30003 and UNS R30008)
Classification	Cobalt and Cobalt Alloys

F1058 Grade 1 Chemical Element Composition Content (%)

Component	C	Si	Be ^*	Mn	P	S	Cr	Ni	Mo	Co	More
Minimum Value	-	-	-	1.5	-	-	19	14	6	39	Fe:余量
Maximum Value	0.15	1.2	0.001	2.5	0.015	0.015	21	16	8	41	Fe:余量

F1058 Grade 1 Mechanical Properties

diameter/thickness d/t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Wire; 0.02≤d≤0.12	Cold Work	≥1795
Wire; 0.12＜d≤1	Cold Work	≥1655
Wire; 1＜d≤1.5	Cold Work	≥1620
Wire Rod; 1.5<d≤2.5	Cold Work	≥1550
Wire Rod; 2.5<d≤3.5	Cold Work	≥1515
Wire; 0.02≤d≤0.12	Cold Working and Aging	≥2275	-
Wire; 0.12＜d≤1	Cold Working and Aging	≥2000	≥1450
Wire; 1＜d≤1.5	Cold Working and Aging	≥1965	≥1380
Wire; 1.5<d≤2	Cold Working and Aging	≥1895	≥1380
Wire; 2<d≤2.5	Cold Working and Aging	≥1895	≥1345
Wire; 2.5<d≤3	Cold Working and Aging	≥1860	≥1275
Wire; 3<d≤3.5	Cold Working and Aging	≥1860	≥1240
Coil; t≤0.11	Cold Working and Aging	≥2240	≥1725	-
Coil; 0.11＜t≤0.4688	Cold Working and Aging	≥2170	≥1550	-
Coil; 0.4688＜t≤0.62	Cold Working and Aging	≥2070	≥1550	≥1
Coil; 0.62＜t≤1.18	Cold Working and Aging	≥1895	≥1550	≥1
Coil; 1.18＜t≤1.88	Cold Working and Aging	≥1550	≥1105	≥3
Coil; 1.88＜t≤2.5	Cold Working and Aging	≥1170	≥690	≥17
Coil; t≤0.11	Cold Work	≥1795
Coil; 0.11＜t≤0.4688	Cold Work	≥1725
Coil; 0.4688＜t≤0.62	Cold Work	≥1655
Coil; 0.62＜t≤1.18	Cold Work	≥1515
Coil; 1.18＜t≤1.88	Cold Work	≥1240
Coil; 1.88＜t≤2.5	Cold Work	≥895
Wire, strip	Annealing	≥850	≥450	≥65
Bar; 3.5≤d≤15.5	Cold Work	≥1400	-	-
Bar; 3.5≤d≤15.5	Cold Working and Aging	≥1550	≥1200	-

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