America Standard-Gr.1 Gr. 2 Gr. 3 Gr. 7 Gr. 9 Gr. 11 Gr.12 Gr.16 Gr. 17 Domestic-TA0 TA1 TA2 TA3 TA9 TA10 TA18 Material:America Standard—Gr.1 Gr. 2 Gr. 3 Gr. 7 Gr. 9 Gr. 11 Gr.12 Gr.16 Gr. 17Domestic—TA0 TA1 TA2 TA3 TA9 TA10 TA18Seamless Measurement:OD:2.0-219MMWT:0.3-12MMLENGTH: ≤18000MMStrictly exact the Standard:ASTM B338/ASME SB338 ASTMB861/ASMESB861PRODUCTION EQUIPMENT18M vacuum annealing ...