-
U Shaped ASTM SA179 Thaum tshav kub kub pauv yeeb nkab
ASTM A179 / ASME SA179 Txuj Specification rau Seamless Cold-Drawn Low-Carbon Steel Thaum tshav kub kub Exchanger thiab Condenser Tubes
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ASTM Standard A53 steel yeeb nkab
Uncoated thiab kub dip galvanized nominal seamless steel yeeb nkab
ASTM A53 GR. IB GR -
ASTM A106 GR. A / B carbon steel yeeb nkab
Kub kub seamless carbon steel raj
ASTM A106 GRA GRB
