PT520ML1 - ISO 9328-5-2018

Grade	PT520ML1
Corresponding Standard	ISO 9328-5-2018 Steel flat products for pressure purposes - Weldable fine grain steels, thermomechanically rolled
Classification	Alloy Steel

PT520ML1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	B	Al ^①
Minimum Value	-	-	0.7	-	-	-	-	-	-	-	-	-	-	0.02
Maximum Value	0.16	0.55	1.6	0.015	0.01	0.3	0.5	0.4	0.2	0.05	0.1	0.05	0.001	-

PT520ML1 Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6 ≤ t ≤ 50	520~640	≥385	≥17
50 ≤ t ≤ 100	520~640	≥365	≥17

Approximate Comparison Table

Japan	International Organization for Standardization
JIS	ISO
SPV355	PT520M PT520ML1

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