Grade HS 6-5-3C
ISO Numeric Designation 1.3345
Corresponding Standard ISO 4957-2018
Tool steels
Classification Alloy Steel
Density 8.2 g/cm3
HS 6-5-3C Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo W V
Minimum Value 1.25 - - - - 3.8 4.7 5.9 2.7
Maximum Value 1.32 0.7 0.4 0.03 0.03 4.5 5.2 6.7 3.2
HS 6-5-3C Mechanical Properties
Hardness
HBW
Annealed (+A) ≤269
Quenching and Tempering HRC
≥64
1 Approximate Comparison Table High-Speed Tool Steels
International Organization for Standardization Germany European Standard
ISO DIN EN/DIN W-Nr. EN Numerical Grade
HS6-5-3C HS6-5-3C 1.3345 HS6-5-3C 1.3345
2 Approximate Comparison Table High-Speed Steel 3
China Japan United States International Organization for Standardization European Standard Russia
GB ISC JIS ASTM UNS ISO EN GOST
CW6Mo5Cr4V3 T66545 SKH53 M3(高碳) T11323 HS 6-5-3C HS 6-5-3C Р6М5Ф3
HS6-5-3C Corresponding Standards(Same grade name, different standards)

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