Grade S 6-5-2
Germany W-Nr. 1.3343
Corresponding Standard DIN 17350-1980
Tool steels; technical terms of delivery
Classification Alloy Steel
S 6-5-2 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo W V
Minimum Value 0.86 - - - - 3.8 4.7 6 1.7
Maximum Value 0.94 0.45 0.4 0.03 0.03 4.5 5.2 6.7 2
S 6-5-2 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Steel Softening Annealing 240~300
Steel Quenching and Tempering ≥64HRC;≥850HV
1 Approximate Comparison Table High-Speed Tool Steels
Germany European Standard Russia
DIN EN/DIN EN Numerical Grade GOST
S6-5-2 HS6-5-2C 1.3343 R6M5
2 Approximate Comparison Table High-Speed Tool Steels
China Japan South Korea United States International Organization for Standardization Germany United Kingdom
GB JIS KS ASTM ISO DIN EN/DIN BS EN/BS
W6Mo5Cr4V2 SKH9
(SKH51)
SKH9 M2 HS6-5-2 S6-5-2 BM2
3 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
4 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
W6Mo5Cr4V2 SK H51 M2(一般含碳量) HS6-5-2 S6-5-2 1.3343 Z85WDCV06-05-04-02 Р6М3 BM2
5 Approximate Comparison Table High-Speed Steel 2
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS14 BS EN/BS
W6Mo5Cr4V2 T66541 SKH 51 SKH 51 SKH 51 M2(正常C) T11302 HS 6-5-2 S 6-5-2 1.3339 HS 6-5-2 Р6М5 2722 HS 6-5-2
BM2
6 Approximate Comparison Table High-Speed Steel 4
China Japan South Korea United States Germany France European Standard Russia Sweden United Kingdom
GB JIS KS ASTM UNS DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
W6Mo5Cr4V2 SKH51 SKH51 M2 T11302 HS6-5-2
S6-5-2
S6-5-2S
SC6-5-2
X82WMoCrV6-5-4
HS6-5-2
HS6-5-2HC
X85WMoCrV6-5-4
Z85WDCV
HS6-5-2
HS6-5-2C
1.3339
1.3343
Р6М5
R6M5
2722 3343
BM2
S6-5-2 Corresponding Standards(Same grade name, different standards)

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