Standard: ASTM B337 ASTN B338 ASTM B861 ASTM B862
Material: Gr1 Gr2 Gr3 Gr4 GR9(3AL-2.5V)
if you need, please contact me ,Ms.Mary Ma . maryma1109(at)yahoo.com S K Y P E : ma_li1021
Material: Gr1 Gr2 Gr3 Gr4 GR9(3AL-2.5V)
if you need, please contact me ,Ms.Mary Ma . maryma1109(at)yahoo.com S K Y P E : ma_li1021

