1.6228 (15NiMn6)

Classification

Country	Section	Category
Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	Ni-Si, Ni-Mn, Ni-Cu

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Ni, %	V, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Ni, %	V, %	P, %	C, %	S, %
	96.185–97.9	< 0.35	0.8–1.5	1.3–1.7	< 0.05	< 0.025	< 0.18	< 0.01

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	$$\epsilon_L$$, %	$$KV_{L}$$, $$J$$	$$KV_{T}$$, $$J$$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	$$\epsilon_L$$, %	$$KV_{L}$$, $$J$$	$$KV_{T}$$, $$J$$	Treatment
		< 80		normalization	470–640		20–22	65	50
		< 30		normalization		355
		30–50		normalization		345
		50–80		normalization		335

Standards

Standard	Description
Standard	Description
EN 10028-4
EN 10222-3

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Ni	%	Nickel
V	%	Vanadium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

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
$$\epsilon_L$$	%	Elongation at break (longitudinal)
$$KV_{L}$$	$$J$$	Impact energy (longitudinal)
$$KV_{T}$$	$$J$$	Impact energy (transverse)