Steel for glass lining with yield strength of 345 mpa or more and manufacturing method therefor
AssigneeBaoshan Iron & Steel Co., Ltd.
InventorsQuanshe Sun, Shuangcheng Wang, Jiao Wei, Xiaoyong Tao
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Abstract
The present disclosure provides a steel for glass lining with a yield strength of 345 MPa or more, comprising the following chemical elements in percentage by mass: C: 0.08~0.14%; Si: 0.16~0.30%, Mn: 0.80~1.20%, S: 0.001~0.015%, P≤0.02%, Al: 0.005~0.035%, RE: 0.0005~0.006%, Ti: 0.05~0.09%, V: 0.01~0.03%, 0<N≤0.004%, O: 0.001~0.005%, and at least one of Cu, Cr, Ni and Mo elements, wherein: 0<Cu≤0.08%, 0<Cr≤0.08%, 0<Ni≤0.04%, 0<Mo≤0.04%.
Claims20
A steel for glass lining with a yield strength of 345 MPa or more, comprising, in addition to Fe and inevitable impurities, the following chemical elements in mass %:
- C
- :
- 0.08
- ~
- 0.14
-
- %
- ,
- Si
- :
- 0.16
- ~
- 0.3
-
- %
- ,
- Mn
- :
- 0.8
- ~
- 1.2
-
- %
- ,
- S
- :
- 0.001
- ~
- 0.015
-
- %
- ,
- Al
- :
- 0.005
- ~
- 0.035
-
- %
- ,
- RE
- :
- 0.0005
- ~
- 0.006
-
- %
- ,
- Ti
- :
- 0.05
- ~
- 0.09
-
- %
- ,
- V
- :
- 0.01
- ~
- 0.03
-
- %
- ,
- 0
- <
- N
- ≤
- 0.004
- %
- ,
- O
- :
- 0.001
- ~
- 0.005
-
- %
- .
Dependencies are inferred from the claim text.