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Material
GB 6479-2013
Seamless steel tubes for high-pressure chemical fertilizer equipments
Material Designation
Chemical Composition (%)
10
(
U20102
)
Min
Max
20
(
U20202
)
Min
Max
Q345B
Min
Max
Q345C
Min
Max
Q345D
Min
Max
Q345E
Min
Max
12CrMo
(
A30122
)
Min
Max
15CrMo
(
A30152
)
Min
Max
12Cr2Mo
(
A30132
)
Min
Max
12Cr5Mo
(
S45110
) (
1Cr5Mo
)
Min
Max
10MoWVNb
(
A66102
)
Min
Max
12SiMoVNb
(
A66112
)
Min
Max
For Reference Only
