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28Mn6 | 1.1170 Material Datasheet

Material Test Series Values
Material Standard Values

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Material Description

Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country
1.1170 (SEW 550 : 2024-12)	1.1170	SEW 550 : 2024-12	Supersedes SEW 550 : 1976-08	Valid	Germany	1)
1) Remark: Quenched and tempered steel for larger forgings.

Chemical Composition

C [%]	Cr [%]	Mn [%]	Mo [%]	Ni [%]	P [%]	S [%]	Si [%]
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength [MPa]	Elongation A [%]
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1) Source: blur

Physical Properties

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)]
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
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blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
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1) Source: blur

Toughness Data (Impact)

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]
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1) Source: blur

Cross Reference

Material Name	Country	Standard
XK1330	Australia	AS 1448	1)
30Mn2	China	GB/T 3077	1)
A00302	China	GB/T 3077	1)
28Mn6	Europe	EN 10250-2
30G2	Russia	GOST 4543	1)
30Г2	Russia	ГОСТ 4543	1)
A521 Grade 1330	USA	ASTM A521	2)
Grade 1330	USA	SAE	2)
G13300	USA	UNS	2)
A521 Grade 1527	USA	ASTM A521	2)
Grade 1527	USA	SAE	2)
G15270	USA	UNS	2)
20Mn5	Europe	EN 10250-2
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023

Producer/Supplier/Trade names

Tradename	Supplier
BGH 1170	BGH Edelstahl Siegen GmbH	1)
28Mn6	Buderus Edelstahl GmbH, Wetzlar	1)
28Mn6	DIROSTAHL, Remscheid	1)
28Mn6	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff	1)
28Mn6	Schmiedewerke Gröditz GmbH, Gröditz	1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

FKM Guideline Fatigue Strength

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]
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1) Source: blur
2) Remark: blur