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Material
GB 5310-2008
Seamless steel tubes and pipes for high pressure boiler
Material Designation
Chemical Composition (%)
20G
(
U50207
)
Min
Max
20MnG
(
U42203
)
Min
Max
25MnG
(
U42253
)
Min
Max
15MoG
(
A65158
)
Min
Max
20MoG
(
A65208
)
Min
Max
12CrMoG
(
A30128
)
Min
Max
15CrMoG
(
A30158
)
Min
Max
12Cr2MoG
(
A30138
)
Min
Max
12Cr1MoVG
(
A31138
)
Min
Max
12Cr2MoWVTiB
(
A32128
)
Min
Max
07Cr2MoW2VNbB
Min
Max
12Cr3MoVSiTiB
(
A31128
)
Min
Max
15Ni1MnMoNbCu
Min
Max
10Cr9Mo1VNbN
(
10Cr9Mo1VNb
)
Min
Max
10Cr9MoW2VNbBN
Min
Max
10Cr11MoW2VNbCu1BN
Min
Max
11Cr9Mo1W1VNbBN
Min
Max
07Cr19Ni10
Min
Max
10Cr18Ni9NbCu3BN
Min
Max
07Cr25Ni21NbN
Min
Max
07Cr19Ni11Ti
Min
Max
07Cr18Ni11Nb
Min
Max
08Cr18Ni11NbFG
Min
Max
For Reference Only
