GH4090 H40900 GH90 - GB /T 14994-2008

Grade	GH4090
China ISC	H40900
Old Grade
Corresponding Standard	GB /T 14994-2008 Superalloy Cold Drawn Bars
Classification	Alloy Steel
Properties	Corrosion Resistance High-Temperature Resistance
Density	8.2 g/cm³

GH4090 Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Cu	Ti	Zr	B	Co	Pb	Al	Bi	Ag	More
Minimum Value	-	-	-	-	-	-	18	-	2	-	-	15	-	1	-	-	Ni：余量
Maximum Value	1.5	0.13	0.8	0.4	0.02	0.015	21	0.2	3	0.15	0.02	21	0.002	2	0.0001	0.0005	Ni：余量

GH4090 Mechanical Properties

test temperature °C	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
650	Solution Treatment + Aging Treatment	≥820	≥590	≥8
	Solution treatment (delivery state)				≤320
	Cold drawn (delivery condition)				≤351

Approximate Comparison Table Deformed High-Temperature Alloy

GH4090 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"!