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Material
GB /T 700-2006
Carbon Structural Steels
Material Designation
Chemical Composition (%)
Q195
(
U11952
) (
Q195Z
)
Min
Max
Q235A
(
U12352
) (
A3
) (
Q235AZ
)
Min
Max
Q235B
(
U12355
) (
C3
) (
Q235BZ
)
Min
Max
Q235C
(
U12358
) (
Q235CZ
)
Min
Max
Q215B
(
U12155
) (
C2
) (
Q215BZ
)
Min
Max
Q195F
(
U11950
) (
Q195
)
Min
Max
Q215AF
(
U12150
) (
Q215
)
Min
Max
Q215BF
(
U12153
) (
Q215
)
Min
Max
Q275A
(
U12752
) (
Q275AZ
)
Min
Max
Q275AF
(
U12750
) (
Q275
)
Min
Max
Q275B
(
U12755
) (
C5
) (
Q275BZ
)
Min
Max
Q275C
(
U12758
) (
Q275CZ
) (
Q275
)
Min
Max
Q275D
(
U12759
) (
Q275DTZ
) (
Q275
)
Min
Max
Q235AF
(
U12350
) (
Q235
)
Min
Max
Q235BF
(
U12353
) (
Q235
)
Min
Max
Q235D
(
U12359
) (
Q235DTZ
)
Min
Max
Q215A
(
U12152
) (
A2
) (
Q215AZ
)
Min
Max
For Reference Only