中文版
Home Material GB /T 9943-2008
简体 | 繁體
Grade W2Mo9Cr4V2
China ISC T62942
Corresponding Standard GB /T 9943-2008
High-Speed Tool Steels
Classification Tool Steel
W2Mo9Cr4V2 Chemical Element Composition Content (%)
Component C Si ① Mn P S ② Cr Ni ③ Cu ③ Mo W V
Minimum Value 0.95 - 0.15 - - 3.5 - - 8.2 1.5 1.75
Maximum Value 1.05 0.7 0.4 0.03 0.03 4.5 0.3 0.25 9.2 2.1 2.2
① The lower limit of silicon content in electro-slag steel is not specified.
② Upon the request of the buyer, to improve the machinability of the steel, the sulfur content may be specified as 0.06% to 0.15%.
③ Cu and Ni are residual contents.
W2Mo9Cr4V2 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing ≤255
sample Quenching and Tempering HRC
≥64
Notes:
① When the tempering temperature is 550 to 570°C, temper twice, each time for 1 hour; when the tempering temperature is 540 to 560°C, temper twice, each time for 2 hours; when the tempering temperature is 530 to 550°C, temper three times, each time for 2 hours.
② For annealed and cold-drawn condition, the hardness may be allowed to increase by 50 HBW over the annealed condition.
1 Approximate Comparison Table High-Speed Steel 1
China Japan United States International Organization for Standardization Germany France United Kingdom
GB JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
W2Mo9Cr4V2 SK H58 M7 HS2-9-2 S2-9-2 1.3348 Z100DCWV09-04-02-02 BM7
2 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
W2Mo9Cr4V2 T62942 SKH58 SKH58 SKH58 M7 T11307 HS 2-9-2 S 2-9-2 1.3348 HS 2-9-2 2782 HS 2-9-2
W2Mo9Cr4V2 Corresponding Standards(Same grade name, different standards)
1 GB /T 9943-2008
W2Mo9Cr4V2 T62942
2 GB 9943-1988
W2Mo9Cr4V2

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!