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Home Material JIS G 4403-2022
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Grade SKH 10
Corresponding Standard JIS G 4403-2022
High Speed Tool Steels
Classification Tool Steel
SKH 10 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu W V Co
Minimum Value 1.45 - - - - 3.8 - 11.5 4.2 4.2
Maximum Value 1.6 0.45 0.4 0.03 0.03 4.5 0.25 13.5 5.2 5.2
SKH 10 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Bar, forging Annealing ≤285
sample Quenching + Tempering HV: 800
1 Approximate Comparison Table High-Speed Tool Steels
China Japan South Korea United States International Organization for Standardization Germany United Kingdom
GB JIS KS ASTM/AISI ISO DIN EN/DIN BS EN/BS
W12Cr4v5Co5 SKH10 SKH10 T15 HS6-5-2 S6-5-2 BT15
2 Approximate Comparison Table High-Speed Tool Steels
Japan United States International Organization for Standardization Germany France United Kingdom
JIS ASTM/AISI ISO DIN EN/DIN NF EN/NF BS EN/BS
SKH10 T15 HS12-1-5-5 S12-1-4-5 HS12-1-5-5 BT15
3 Approximate Comparison Table High-Speed Steel 1
China Japan United States International Organization for Standardization Germany France Russia United Kingdom
GB JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
W12Cr4V5Co5 SK H10 T15 HS12-1-5-5 S12-1-4-5 1.3202 Z160WKCV12-05-05-04 Р10К5Ф5 BT15
4 Approximate Comparison Table High-Speed Steel 2
China Taiwan, China Japan South Korea United States Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
W12Cr4V5Co5 T71245 SKH 10 SKH 10 SKH 10 T15 T12015 S 12-1-4-5 1.3202 HS 12-1-5-5 Р10К5Ф5 HS 12-1-5-5
BT15
SKH10 Corresponding Standards(Same grade name, different standards)
1 JIS G 4403-2005
SKH 10
2 JIS G 4403-2022
SKH 10

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