... days titanium plate heat exchanger1:Grade: Gr1,Gr2,Gr5,Gr12,TA1,TA2,TC4,TA10 etc2:Size: 0.30-60mm*40-3000mm*500-6000mm3:Standard: ASTM ... ,GR.2,GR.3,GR.4, GR5,GR.7,GR.12,GR.23, 6AL4V ASTM B265, ASTM F136/67, AMS 4911,AMS 4905 ... ,GR.2,GR.3,GR.4, GR5,GR.7,GR.12,GR.23, 6AL4V ASTM B265, ASTM F136/67, AMS 4911,AMS 4905 ...