P690Q 1.8879 - EN 10028-6-2017

Grade	P690Q
European Standard Steel Grade	1.8879
Corresponding Standard	EN 10028-6-2017 Flat Products Made of Steels for Pressure Purposes - Part 6: Weldable Fine Grain Steels Quenched and Tempered
Classification	Alloy Steel

P690Q Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti ^*	V ^*	Nb ^*	Zr ^*	B
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.2	0.8	1.7	0.025	0.01	1.5	2.5	0.3	0.7	0.015	0.05	0.12	0.06	0.15	0.005

P690Q Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t ≤ 50	770~940	≥690	≥14
50＜t ≤ 100	770~940	≥670	≥14
100＜t ≤ 200	720~900	≥630	≥14

Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
P690Q	P690Q	1.8879

P690Q 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"!