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Grade HS 6-5-2
Germany W-Nr. 1.3339
Corresponding Standard DIN EN ISO 4957-2018
Tool steels
Classification Alloy Steel
Density 8.2 g/cm3
HS 6-5-2 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo W V
Minimum Value 0.8 - - - - 3.8 4.7 5.9 1.7
Maximum Value 0.88 0.45 0.4 0.03 0.03 4.5 5.2 6.7 2.1
• Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat . All reasonable precautions shall be taken to prevent the addition from scrap or other material used in the manufacture, of such elements which affect the hardenability, mechanical properties and applicability.
HS 6-5-2 Mechanical Properties
Hardness
HBW
Soft annealing (+A) ≤262
Quenching and Tempering HRC
≥64
New and Old Grade Replacement List
Corresponding Standard Grade
DIN 17350-1980
Grade
Germany W-Nr.
DIN EN ISO 4957-2018
Grade
Germany W-Nr.
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
SKH51 HS6-5-2 HS6-5-2
(S 6-5-2S) 		1.3339
(1.3341) 		HS6-5-2 1.3339
2 Approximate Comparison Table High-Speed Tool Steels
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
W6Mo5Cr4V2 SKH51 M2 HS6-5-2 HS6-5-2 Z85WDCV06-05-04-02 HS6-5-2 1.3339 R6M5
Р6М5 		2722 BM2
3 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
4 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
HS6-5-2 Corresponding Standards(Same grade name, different standards)
1 DIN EN ISO 4957-2018
HS 6-5-2 1.3339
2 ISO 4957-2018
HS 6-5-2 1.3339

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