10 Years
EN10305 E235 Precision Seamless Steel Tube 0.05 mm Tolernace Quick Detail: Grade:10#,20#,45#,15CrMo,12Cr2Mo,12Cr1MoVG,15CrMoG,St37,St52,St45,ST35,10#-45#,Cr-Mo alloy,ST35-ST52 Standard:GB/T 3639-2000...
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