X9Ni9 +QT - ISO 9328-4-2018

Grade	X9Ni9 +QT
Corresponding Standard	ISO 9328-4-2018 Nickel-alloy steels with specified low temperature properties
Classification	Alloy Steel

X9Ni9 +QT Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb
Minimum Value	-	-	-	-	-	-	8.5	-	-	-	-	-
Maximum Value	0.12	0.3	0.9	0.015	0.015	0.3	9.5	0.4	0.12	0.03	0.05	0.02

X9Ni9 +QT Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Quenching and Tempering (+QT)	690~830	≥590	≥18

Approximate Comparison Table Pressure-Bearing Flat Steel

Japan	United States	International Organization for Standardization
JIS	ASTM	ISO
SL9N590	A553-1	X9Ni9 +QT

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