PT550QH - ISO 9328-6-2018

Grade	PT550QH
Corresponding Standard	ISO 9328-6-2018 Steel Flat Products for Pressure Purposes - Weldable Fine Grain Steels, Quenched and Tempered
Classification	Alloy Steel

PT550QH Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	B	Al ^①
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	0.02
Maximum Value	0.18	0.75	1.6	0.02	0.02	0.3	0.5	0.4	0.5	0.03	0.08	0.05	0.005	-

PT550QH Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6 ≤ t ≤ 50	550~670	≥410	≥16
50 ≤ t ≤ 100	550~670	≥390	≥16
100 ≤ t ≤ 150	550~670	≥370	≥16

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