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Material
GB /T 5310-2017
Seamless steel tubes and pipes for high pressure boiler
Material Designation
Chemical Composition (%)
20G
(
U50207
)
Min
Max
08Cr18Ni11NbFG
Min
Max
07Cr18Ni11Nb
Min
Max
07Cr19Ni10
Min
Max
07Cr19Ni11Ti
Min
Max
07Cr25Ni21NbN
Min
Max
07Cr2MoW2VNbB
Min
Max
10Cr11MoW2VNbCu1BN
Min
Max
10Cr18Ni9NbCu3BN
Min
Max
10Cr9Mo1VNbN
(
10Cr9Mo1VNb
)
Min
Max
10Cr9MoW2VNbBN
Min
Max
11Cr9Mo1W1VNbBN
Min
Max
12Cr1MoVG
(
A31138
)
Min
Max
12Cr2MoG
(
A30138
)
Min
Max
12Cr2MoWVTiB
(
A32128
)
Min
Max
12Cr3MoVSiTiB
(
A31128
)
Min
Max
12CrMoG
(
A30128
)
Min
Max
15CrMoG
(
A30158
)
Min
Max
15MoG
(
A65158
)
Min
Max
15Ni1MnMoNbCu
Min
Max
20MnG
(
U42203
)
Min
Max
20MoG
(
A65208
)
Min
Max
25MnG
(
U42253
)
Min
Max
07Cr25Ni21
Min
Max
For Reference Only