GH1140 GH140 - GB /T 14996-2010

Grade	GH1140
Old Grade
Corresponding Standard	GB /T 14996-2010 Cold-rolled heat-resisting superalloy sheets
Classification	Special Alloy Steel

GH1140 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti ^①	W	Al ^①	Ce	More
Minimum Value	0.06	-	-	-	-	20	35	-	2	0.7	1.4	0.2	-	Fe:Remainder
Maximum Value	0.12	0.8	0.7	0.025	0.015	23	40	0.25	2.5	1.2	1.8	0.6	0.05	Fe:Remainder

① Al+Ti should not be greater than 1.75% when arc furnace + electroslag remelting or non-vacuum induction furnace + electroslag remelting.

GH1140 Mechanical Properties

test temperature °C	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Room Temperature	Delivery Condition	≥635	≥40
800	Delivery Condition	≥225	≥40

Approximate Comparison Table

GH1140 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"!