GH2901 - GB /T 40313-2021

Grade	GH2901
Corresponding Standard	GB /T 40313-2021 Specification for Wrought Superalloy Forging Disks
Classification	Special Alloy Steel

GH2901 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo	Ti	B	Co	Pb	Al	Bi	Ag	More
Minimum Value	0.02	-	-	-	-	11	-	5	2.8	0.01	-	-	-	-	-	Fe:余量；Ni+Co≥40~45
Maximum Value	0.05	0.4	0.5	0.02	0.008	14	0.2	6.5	3.1	0.02	1	0.001	0.3	0.0001	0.0005	Fe:余量；Ni+Co≥40~45

GH2901 Mechanical Properties

form	Test Temperature	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
sample	Room Temperature	* ≥1130	≥810	≥9	≥12	≥341	-
sample		≥960	≥690	≥8	-	-	-
sample		High-temperature durability performance: Stress 620MPa, Creep rupture time tu≥23h Notched sample creep rupture time tue＞tu℗		Creep elongation after fracture Au: ≥4%

1 Approximate Comparison Table Deformed High-Temperature Alloy

2 Approximate Comparison Table Deformed High-Temperature Alloy

GH2901 Corresponding Standards(Same grade name, different standards)

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