20Mn5 | 1.1133 Material Datasheet

Material Test Series Values

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Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Remark
1.1133 (SEW 550 : 2024-12)	1.1133	SEW 550 : 2024-12	Supersedes SEW 550 : 1976-08	Valid	Germany	Quenched and tempered steel for larger forgings.

Al [%]	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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Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]	Source
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Material Name	Country	Standard	Source
K1022	Australia	AS 1448	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20 Mn 5	Germany	SEW 550
20Mn5	Europe	EN 10250-2
2	India	IS 9683	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
15Mn5	India	IS 9683	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
A521 Grade 1022	USA	ASTM A521	SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023
1022	USA	SAE	SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023
G10220	USA	UNS	SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023

Tradename	Supplier	Source
BGH 1133	BGH Edelstahl Siegen GmbH	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
Firmodur 1133	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20Mn5	DIROSTAHL, Remscheid	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20Mn5	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
1.1133	IMBACH & CIE AG, Nebikon	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
1.1133	Rosswag GmbH, Pfinztal-Kleinsteinbach	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20Mn5	Schmiedewerke Gröditz GmbH, Gröditz	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Condition	Temperature [°C]	Tensile Strength [MPa]	Yield Strength [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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