Heavy-Duty Seamless Steel Tube for Automotive product name Hot rolled seamless steel tube standard ASTM A106-2006,ASTM A53-2007,API 5L,GB/T8162,GB/T8163 Material st35.8 16mn,10#,20#,45#,St37,St52,Q345 ...Xem thêm
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Heavy Duty Seamless Steel Tube ASTM A106 Seamless Stainless Tube For Automotive Q345