EN 10088-3 Grade X3CrNiMo13-4 / 1.4313

• Introduction
• Chemical Composition
• Mechanical Properties

X3CrNiMo13-4 / 1.4313

Chemical Composition

Steel designation		Chemical composition, % by mass
Steel Name	Steel Number	C	Si max.	Mn	P max.	S	Cr	Cu	Mo	Nb	Ni	Others
X3CrNiMo13-4	1.4313	≤ 0,05	0,70	≤ 1,50	0,040	≤ 0,015	12,0 to 14,0	-	0,30 to 0,70	-	3,5 to 4,5	N: ≥ 0,020

Mechanical Properties

Steel designation		Thickness t or diameter a d	Heat treatment conditionb	Hardness	0,2 %-proof strength	Tensile Strength	Elongation after fracture		Impact energy (ISO-V)
Steel Name	Steel Number	mm		HBc max.	Rp0,2d MPa*) min.	R m d MPa*)	Ad % min.		KV J min
							(long.)	(tr.)	(long.)	(tr.)
Standard grades
X3CrNiMo13-4	1.4313	-	+A	320	-	max. 1100	-	-	-	-
		≤ 160	+QT700	-	520	700 to 800	15	-	70	-
		160 < t ≤ 250					-	12	-	50
		≤ 160	+QT780	-	620	80 to 980	15	-	70	-
		160 < t ≤ 250					-	12	-	50
		≤ 160	+QT900	-	800	900 to 1100	12	-	50	-
		160 < t ≤ 250					-	10	-	40
a  Width across flats for hexagons.
b  +A = annealed, +QT = quenched and tempered.
c  Only for guidance.
d  For rods, only the tensile strength values apply.
*)  1MPa = 1 N/mm².