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Home Material JIS G 4403-2022
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Grade SKH 53
Corresponding Standard JIS G 4403-2022
High Speed Tool Steels
Classification Tool Steel
SKH 53 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu Mo W V
Minimum Value 1.15 - - - - 3.8 - 4.7 5.9 2.7
Maximum Value 1.25 0.45 0.4 0.03 0.03 4.5 0.25 5.2 6.7 3.2
SKH 53 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Bar, forging Annealing ≤269
sample Quenching + Tempering HV: 800
1 Approximate Comparison Table High-Speed Tool Steels
Japan International Organization for Standardization Germany European Standard
JIS ISO DIN EN/DIN W-Nr. EN Numerical Grade
SKH53 HS6-5-3 HS6-5-3 1.3344 HS6-5-3 1.3344
2 Approximate Comparison Table High-Speed Tool Steels
China Japan South Korea United States International Organization for Standardization Germany
GB JIS KS ASTM/AISI ISO DIN EN/DIN
CW6Mo5Cr4V3 SKH53 SKH53 M3 HS6-5-3 HS6-5-3
3 Approximate Comparison Table High-Speed Tool Steels
Japan United States International Organization for Standardization Germany France
JIS ASTM/AISI ISO DIN EN/DIN NF EN/NF
SKH53 M3-2 HS6-5-3 S6-5-3 HS6-5-3
4 Approximate Comparison Table High-Speed Steel 1
China Japan United States Germany
GB JIS ASTM DIN EN/DIN W-Nr.
CW6Mo5Cr4V3 SK H53 M3-2 S6-5-3 1.3344
5 Approximate Comparison Table High-Speed Steel 2
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF SS14 BS EN/BS
CW6Mo5Cr4V3 T66545 SKH53 SKH53 SKH53 M3 Class 2 T11323 HS 6-5-3 S 6-5-3 1.3344 HS 6-5-3 2725 HS 6-5-3
6 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
SKH53 Corresponding Standards(Same grade name, different standards)
1 JIS G 4403-2005
SKH 53
2 JIS G 4403-2022
SKH 53

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