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HS6-5-2-5 | 1.3243 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor Successor
1.3243 (DIN EN ISO 4957 : 2001-02) 1.3243 DIN EN ISO 4957 : 2001-02 DIN EN ISO 4957 : 2001-02 replaced by DIN EN ISO 4957 : 2018-11 Replaced Germany S 6-5-2-5 HS6-5-2-5 1)
1) Remark: Very ductile wear resistant tungsten-molybdenum-cobalt-based high-speed steel with high red hardness and tempering resistance. Application: all kinds of cutters esp. tunnel cutters, roll tools. High-loaded twist drills and screw taps, shape rollers, broaches.

Chemical Composition

C [%] Co [%] Cr [%] Mn [%] Mo [%] P [%] S [%] Si [%] V [%] W [%]
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Mechanical Properties

Semi-finished Product 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)] Specific Electrical Resistance [µΩm]
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Heat Treatment

Heat Treatment Step Temperature [°C] Holding Time [h] Medium
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Cross Reference

Material Name Country Standard
W6Mo5Cr4V2Co5 China GB/T 9943 1)
T76545 China GB/T 9943 1)
HS6-5-2-5 Europe EN ISO 4957
XT90W6Co5Mo5Cr4V2 India IS 1570 : Part 6 1)
THS8 India IS 1570 : Part 6 1)
HS 6-5-2-5 International ISO 4957
SKH55 Japan JIS G 4403 1)
SKH55 South Korea KS D 3522 1)
R6M5K5 Russia GOST 19265 1)
Р6M5К5 Russia ГОСТ 19265 1)
A600 Type M36 USA ASTM A600 2)
M36 USA AISI 2)
T11336 USA UNS 2)
S 6-5-2-5 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

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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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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