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CuZn31Si1 | 2.1831 Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	VDA 231-106 classification
2.1831 (DIN ISO 4382-2 : 1992-11)	CuZn31Si1	2.1831	DIN ISO 4382-2 : 1992-11	Supersedes DIN ISO 4382-2 : 1982-10	Valid	Germany	3.2	1)
1) Remark: Bearing alloy for solid bearings for hardened shafts, in any combination of high load, medium to high running speed, impact or shock loads, with sufficient lubrication and good alignment. The hardness should be adapted to operating conditions. A minimum shaft hardness of 55 HRC is recommended.

Chemical Composition

Fe [%]	Ni [%]	Pb [%]	Si [%]	Zn [%]	Remainder
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Material Compliance

REACh	RoHS
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Mechanical Properties

Temperature [°C]	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A [%]	Hardness HB \| HBW
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Physical Properties

Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Mean Coefficient of Thermal Expansion [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]
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Producer/Supplier/Trade names

Tradename	Supplier
CuZn31Si1	CSN Carl Schreiber GmbH, Neunkirchen
CuZn31Si1	Wieland-Werke AG, Ulm
CuZn31Si1	ZOLLERN GmbH & Co. KG, Sigmaringen