列表:GB/T 8162
GB/T 8162 Q345 seamless steel (07-06)
GBT 8162 12Cr1MoV seamless ste (04-19)
GB/T 8162 42CrMo seamless stee (04-18)
GB/T 8162 40Cr seamless steel (04-18)
GB/T 8162 20CrMo seamless stee (04-18)
GB/T 8162 20Cr seamless steel (04-18)
GB/T 8162 15CrMo seamless stee (04-18)
GB/T 8162 16Mn car and structu (01-30)
GB/T 8162 45# car and structur (01-30)
GB/T 8162 35# car and structur (01-30)
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