列表:steel pipe
GB/T 9948 12Cr5MoI Seamless St (11-28)
GB 5310 10Cr9MoW2VNbBN boiler (11-21)
EN10216-2 X10CrWMoVNb9-2 steel (11-20)
EN10216-2 X10CrMoVNb9-1 steel (11-20)
EN10216-2 15NiCuMoNb5-6-4 seam (11-20)
DIN 1629 ST44.0 seamless circu (07-06)
DIN 1629 ST37.0 seamless circu (07-06)
GB/T 8162 Q345 seamless steel (07-06)
EN10297-1 C45E seamless steel (04-19)
GBT 8162 12Cr1MoV seamless ste (04-19)
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