GH1140 - YB /T 5245-1993

Grade	GH1140
Corresponding Standard	YB /T 5245-1993 Hot-rolled and forged heat-resisting, superalloy bars for general force-bearing parts
Classification	Special Alloy Steel

GH1140 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	W	Al	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

* B, Ce added according to the calculated amount.

GH1140 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
Test samples (room temperature)*	Heat Treatment	≥617.4	≥40	≥45
Sample (800°C) **	Heat Treatment	≥245	≥40	≥50

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"!