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C80U | 1.1525 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor Application temperature [°C]
1.1525 (DIN EN ISO 4957 : 2018-11) 1.1525 DIN EN ISO 4957 : 2018-11 Supersedes DIN EN ISO 4957 : 2001-02 Valid Germany C80U ≤ 200 1)
1) Remark: C80U is a water hardening (chill hardening) tool steel. It achieves in hardened condition at least 58 HRC at an effective hardening depth of approx. 3 mm. Application: swages with flat gravure, simple coining dies, low-temperature impact cavities, small shearing blades, slugging seams, cold cuts and cold stamps, cutter.

Chemical Composition

C [%] Mn [%] P [%] S [%] Si [%]
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Mechanical Properties

Condition Temperature [°C] Hardness HB | HBW Hardness HRC
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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)]
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Heat Treatment

Heat Treatment Step Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
T8A China GB/T 1298 1)
T00083 China GB/T 1298 1)
C80U Europe EN ISO 4957
80T3 India IS 1570 : Part 6 1)
TC10 India IS 1570 : Part 6 1)
80T3 India IS 3748 1)
C80U International ISO 4957
SK75 Japan JIS G 4401 2)
SK85 Japan JIS G 4401 1)
U8A Russia GOST 1435 1)
У8A Russia ГОСТ 1435 1)
U9 Russia GOST 1435 1)
У9 Russia ГОСТ 1435 1)
STC75 South Korea KS D 3751 1)
STC85 South Korea KS D 3751 1)
A686 Type W1 USA ASTM A686 1)
W1 USA AISI 1)
W108 USA SAE J 438 1)
T72301 USA UNS 1)
C 80 W1 Germany 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: EN ISO 4957 : 2018-07

Producer/Supplier/Trade names

Tradename Supplier
BGH 1525 BGH Edelstahl Siegen GmbH 1)
K980 voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf 1)
Best 3K Hagenkötter GmbH & Co., Solingen 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Material Compliance

REACh RoHS
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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Specific heat

Temperature [°C] Specific heat [kJ/(kg*K)]
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Density

Temperature [°C] Density [g/cm³]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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