EC21 Product Catalogs - astm a 213 gr t12 http://www.ec21.com/ec-market/astm a 213 gr t12.html Sell Alloy Steel Pipe and Tube A335:P5,P9,P11,P22,P91,P92http://wendysteel.en.ec21.com/Sell_Alloy_Steel_Pipe_and--3360403_3360415.htmlGr.3 Alloy Steel ASTM / ASME A 335 GR P 1 , P 5 , P 9 , P 11 , P 12 , P 22 , P 23 , P 91 ASTM/ASME A 213 T11 T12 T20091225 Din/ Astm/ Jis/ Bs/ Gbhttp://sunnysteel08.en.ec21.com/Din_Astm_Jis_Bs_Gb--2824324_2824432.htmlASTM A 210 (Seamless Medium Carbon Steel Boiler and Superheater Tubes) Gr A-1 / Gr C, ASTM A 213 (Seamless Ferritic and20090804 Seamless Steel Pipes and Tubeshttp://utist.en.ec21.com/Seamless_Steel_Pipes_and_Tubes--1279261_1279262.htmlGr.1, Gr.6 ? ASTM A333/A333M-99 Steel grade Gr.1, Gr.6 ? ASTM A 213/A 213 M - 04b Steel grades: T5, T12, T22. ? DIN 24420060427