C50E | 1.1206 Material Datasheet

Material Test Series Values

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Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Predecessor	Remark
1.1206 (SEW 550 : 2024-12)	1.1206	SEW 550 : 2024-12	Supersedes SEW 550 : 1976-08	Valid	Germany	Ck 50	Quenched and tempered steel for larger forgings.

C [%]	Cr [%]	Mn [%]	Mo [%]	Ni [%]	P [%]	S [%]	Si [%]	Source
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Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength [MPa]	Elongation A [%]	Source
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Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Differential Coefficient of Thermal Expansion [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Thermal Diffusivity [10^-6 m²/s]	Specific Electrical Resistance [µΩm]	Mean Specific Heat Capacity [kJ/(kg*K)]	True Specific Heat Capacity [kJ/(kg*K)]	Source
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Material Name	Country	Standard	Source
K1050	Australia	AS/NZS 1448	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
50	China	GB/T 699	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
U20502	China	GB/T 699	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
S50C	Japan	JIS G 4051	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
SM53C	South Korea	KS D 3752	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
50	Russia	GOST 1050	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
A521 Grade 1050	USA	ASTM A521	SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023
1050	USA	SAE	SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023
G10500	USA	UNS	SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023
Ck 50	Germany	SEW 550

Tradename	Supplier	Source
BGH 1206	BGH Edelstahl Siegen GmbH	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
Firmodur 1206	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
C50E	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
C50E	Rosswag GmbH, Pfinztal-Kleinsteinbach	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
C50E	Saarstahl AG, Völklingen	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
C50E	Schmiedewerke Gröditz GmbH, Gröditz	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Condition	Temperature [°C]	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Fatigue Limit under rev. Tension-Compression Stresses [MPa]	Fatigue Strength under pulsating Tensile Stresses [MPa]	Bending Fatigue Strength [MPa]	Shear Fatigue Strength [MPa]	Torsion Fatigue Strength [MPa]	Source	Remark
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