Q275FT钢板通常以热轧、控轧、正火轧制、正火、TMCP、TMCP+回火状况交货,钢板应切边交货
4、Q275FTC钢板的规范,外形,分量及容许过失
商标
|
C
|
Mn
|
P
|
S
|
Si
|
Nb
|
V
|
Ti
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Mo
|
Cr
|
Ni
|
Cu
|
Al
|
N
|
Q275FTC
|
≤0.18
|
0.50-1.50
|
≤0.025
|
≤0.020
|
≤0.50
|
≤0.050
|
≤0.060
|
≤0.050
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≤0.10
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≤0.30
|
≤0.30
|
≤0.30
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≥0.015
|
≤0.012
|
Q275FTD
|
≤0.18
|
0.50-1.50
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≤0.025
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≤0.015
|
≤0.50
|
≤0.050
|
≤0.060
|
≤0.050
|
≤0.10
|
≤0.30
|
≤0.30
|
≤0.30
|
≥0.015
|
≤0.012
|
Q275FTE
|
≤0.18
|
0.50-1.50
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≤0.025
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≤0.015
|
≤0.50
|
≤0.050
|
≤0.060
|
≤0.050
|
≤0.10
|
≤0.30
|
≤0.30
|
≤0.30
|
≥0.015
|
≤0.010
|
Q275FTF
|
≤0.18
|
0.50-1.50
|
≤0.025
|
≤0.015
|
≤0.50
|
≤0.050
|
≤0.060
|
≤0.050
|
≤0.10
|
≤0.30
|
≤0.30
|
≤0.30
|
≥0.015
|
≤0.010
|
商标
|
横向下屈从强度MPa≥
|
抗拉强度Mpa
|
断后伸长率A%
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冲击吸收能量J ≥
|
180°曲折实验 d-弯心直径,a=试样厚度
|
|||
钢板厚度/mm
|
钢板厚度/mm
|
|||||||
≤16
|
16-40
|
40-100
|
≤16
|
16-100
|
||||
Q275FTC、Q275FTD
|
275
|
265
|
255
|
410-560
|
21
|
47
|
d=2a
|
d=3a
|
Q275FTE、Q275FTF
|
275
|
265
|
255
|
410-560
|
21
|
34
|
d=2a
|
d=3a
|