σU
MPa
σY
MPa
ϵL(L0=5.65So√)
KVL
J

1.8988 (S690.QL1)

Classification

Country	Section	Category
Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	High Strength Weldable Steels not Intended for Heat Treatment by User

Chemical composition

Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	V, %	Zr, %	P, %	C, %	S, %	Nb, %	Mo, %	N, %	CEV, %
Standard	Fe, %	Si, %	B, %	Mn, %	Cr, %	Ti, %	Cu, %	Ni, %	V, %	Zr, %	P, %	C, %	S, %	Nb, %	Mo, %	N, %	CEV, %
EN 10137-2	> 91.34	< 0.8	< 0.005	< 1.7	< 1.5	< 0.05	< 0.5	< 2	< 0.12	< 0.15	< 0.02	< 0.2	< 0.01	< 0.06	< 0.7	< 0.015	< 0.83

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$ , %	$KV_{L}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$ , %	$KV_{L}$ , $J$	Treatment
		3–50			770–940	690	14	60
		50–100			760–930	650
		100–150			710–900	630

Standards

Standard	Description
Standard	Description
EN 10137-2

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
B	%	Bor
Mn	%	Manganese
Cr	%	Chrome
Ti	%	Titan
Cu	%	Copper
Ni	%	Nickel
V	%	Vanadium
Zr	%	Zirconium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Nb	%	Niobium
Mo	%	Molybdenum
N	%	Nitrogen
CEV	%	Cerium

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$	%	Elongation at break (longitudinal) (for L₀ = 5.65√So)
$KV_{L}$	$J$	Impact energy (longitudinal)