GH2302 GH302 - GB /T 14993-1994

Grade	GH2302
Old Grade
Corresponding Standard	GB /T 14993-1994 Hot-rolled heat-resisting superalloy bars for rotating parts
Classification	Special Alloy Steel

GH2302 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	W	Zr ^①	B ^①	Al	Ce ^①	More
Minimum Value	-	-	-	-	-	12	38	-	1.5	2.3	3.5	-	-	1.8	-	Fe:余量
Maximum Value	0.08	0.6	0.6	0.02	0.01	16	42	0.25	2.5	2.8	4.5	0.05	0.01	2.3	0.02	Fe:余量

GH2302 Mechanical Properties

condition	Test Temperature	Mark	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Rod	Room Temperature					Indentation diameter (mm) 3.3~3.7
Rod		High temperature instantaneous tensile properties	≥666.4	≥4.5	≥8
Rod		High-Temperature Endurance Performance	Stress 196MPa; Time ≥50h
Rod		High-Temperature Endurance Performance	Stress (245MPa); Time ≥ (100h)

Approximate Comparison Table Deformed High-Temperature Alloy

GH2302 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!