1.1100 (P275SL)

Classification

Country	Section	Category
Country	Section	Category
Germany	Non-alloy Special Steels	Structural Pressure Vessel and Engineering Steels with C < 0,5%

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Al, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Al, %	P, %	C, %	S, %
EN 10207	97.875–99.5	< 0.4	0.5–1.5	< 0.02	< 0.025	< 0.16	< 0.02

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	$$\epsilon_L$$, %	$$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$, %	$$KV_{L}$$, $$J$$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	$$\epsilon_L$$, %	$$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$, %	$$KV_{L}$$, $$J$$	Treatment
				normalization	390–510				28
		< 16		normalization		275
		16–40		normalization		265
		40–60		normalization		255		24
		2–2.5		normalization			19
		2.5–3		normalization			20
		3–40		normalization				24

Standards

Standard	Description
Standard	Description
EN 10207

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Al	%	Aluminium
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)
$$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$	%	Elongation at break (longitudinal) (for L₀ = 5.65√So)
$$KV_{L}$$	$$J$$	Impact energy (longitudinal)