+86-189 3466 2770
Description:
Tool steel for hot working, used for production of press matrices, die inserts, moulds for casting non-ferrous metals, tools and stamps for pressing and stamping. It is characterized by high hardenability, excellent thermal conductivity, resistance to temperature differences during water cooling, and tempering resistance. It achieves hardness levels of 52 HRC.
Mechanical properties
· Hardness in +A delivery condition: <229 HB
· Hardness in +A+C delivery condition: <249 HB
· Hardness after hardening: 52 HRC
· Hardness after hardening and tempering at temperature:
· 300℃ = 47.2 HRC
· 350℃ = 47.6 HRC
· 400℃ = 48.5 HRC
· 450℃ = 50.0 HRC
· 500℃ = 51.7 HRC
· 550℃ = 51.9 HRC
· 600℃ = 49.0 HRC
· Thermal conductivity, λ: 36 W * m-1 * K-1
· Linear expansion coefficient, α: 12.4 * 10-6 K-1
Heat treatment
· Softening annealing at 740 - 770℃
· Relief annealing at 600 - 700℃
· Hardening at 1030 - 1050℃
· Tempering at 450 - 550℃
· Nitriding at 470 - 550℃
Huangshi Young Sea Industry & Trade Co.,Ltd.
No.129, Yanhu Road,Xisaishan District, Huangshi, Hubei, China.
Tel/Fax: +86-714-6330300
Tel/Fax: +86-714-6330300
Email: info@youngseaindustry.com
Contact Person: Celia Wu
Skype: Celia.wyf
Cellphone:+86-189 3466 2770
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