1.4406

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Chemical composition %   of   steel    (1.4406):   EN 10088-2-2005

Particular ranges of sulphur content may provide improvement of particular properties. For machinability a controlled sulphur content of 0.015 % to 0.030% is recommended and permitted. For weldability, a controlled sulphur content of 0.008 % to 0.030 % is recommended and permitted. For polishability, a controlled sulphur content of 0.015 % max is recommended. Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast.

C	Si	Mn	Ni	P	S	Cr	Mo	N
max   0.03	max   1	max   2	10 - 12.5	max   0.045	max   0.015	16.5 - 18.5	2 - 2.5	0.12 - 0.22

Mechanical properties of   steel   (1.4406)

Rm - Tensile strength (MPa) (+A)	580-800

Rp0.2 0.2% proof strength (MPa) (+A)	280-315

KV - Impact energy (J) transverse, (+A)	+20° 60	-196° 60

KV - Impact energy (J) longitud., (+A)	+20° 100

A - Min. elongation at fracture (%) (+A)	30-40

A - Min. elongation at fracture (%) longitud., (+AT)	45

Brinell hardness   (HB):   (+A)

250

Properties of   steel   X2CrNiMoN17-11-2 (1.4406)

Resistance to intergranular corrosion: in the delivery condition - yes; in the sensitized condition - yes  Steel shal not be applied at a metal temperature lower than -270 ° C