ASTM A333 ASTM A106/A53/API 5L GR.BX46, X52 Q345D, Q345E) 1. General purpose seamless steel pipe ASTM A53 GR.B, steel number: SA53 B, mga detalye: 1/4′-28′, 13.7-711.2. mm 2. Seamless steel pipe ASTM A106 GR.B para sa high temperature operations, steel number: SA106B, spec...
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