+86-189 3466 2770
Description:
Toughening steel
Application :
crankshafts of aircraft engines, driving shafts, large-sized turbine components, gear wheels, rotors and discs of steam turbines.
Chemical composition [%] :
C |
Mn |
Si |
P |
S |
Cr
|
Ni
|
Mo
|
0.32-0.40 |
0.5-0.7 |
0.17-0.37 |
max 0.035 |
max 0.035 |
1.3-1.7 |
1.3-1.7 |
0.15-0.25 |
Processes
welding YES
forging YES
rolling YES
nitriding YES
hardening YES temp. 830 – 860[oC] oil
tempering YES temp. 540 – 680 [oC]
Hardness after softening - 248 HB
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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