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22NiMoCr4-7
12Cr2Mo Thick wall steel tube
12Cr2MoV Forged thick wall steel tube
15CrMo High pressure forged thick wall tube
25MnG High pressure thick wall forged tube
20MnG High pressure thick wall forged tube
20G High pressure thick wall forged tube
10Cr9Mo1VNb Forged thick wall seamless tube
P12 High pressure thick wall forged seamless steel tube
P11 big diameter thick wall seamless steel tube
SA333Ⅵ Forged thick wall big diameter steel tube
SA333ⅠForged thick wall steel tube
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