http://www.ec21.com/ec-market/astm a 106 grade c.html http://csctrade.en.ec21.com/Hot_Rolled_H_Beam--3064036_3296282.htmlC) V-notch Impact Energy A kv (J) Q235A 16 >16-40 >40-60 235 225 215 375-500 16 >16-40 >40-620091229 http://wendysteel.en.ec21.com/Sell_Alloy_Steel_Pipe_and--3360403_3360415.htmlASTM / ASME A 53 GR. A & B , ASTM A 106 GR. A , B & C . API 5L GR. B , API 5L X 42 , X 46 , X 52 , X 60 ,X 65 & X 70 . 20091225 http://tjsdtl.en.ec21.com/Oil_Casing_Steel_Pipe_J55--3760849_3948456.htmlASTM A 106 GR.B,ASTM A53 GR.B;High-pressure boiler pipe GB5310-1995,Special pipe for fertilizer making GB6479-2000,pipe20091118 http://findstandards.en.ec21.com/IEEE_Standards_PDF--3793763_3793783.htmlC62.11a-2008 Metal-Oxide Surge Arresters for AC Power Circuits (> 1 kV) Amendment 1: Short-Circuit Tests for Station, I20090904 http://haihuisteeltube.en.ec21.com/Seamless_Steel_Tube_Standard--3321477_3321640.html106 ASTM-A106 GRADE A B C Seamless carbon steel tubes for High-Temperature service For making equipments such as high 20090119 http://qcgszss.en.ec21.com/carbon_Steel_Seamless_Pipe--1962433_2826944.htmlA 106, GR. B, ASTM A106 (ASME SA106), 1) Specification range: A/.OD: 21.3-812.8mm B/.WT: 2 - 30.96mm 2) Steel grade: Gr20080525 http://mlccorp.en.ec21.com/Pipe--1567508_1567684.htmlASTM B-729 (Seamless), Wall Thickness Through XXH Low Temperature: ASTM/ASME A/SA 333, Grades 1/6, Grade 3 Iron: Cast i20080209 http://utist.en.ec21.com/Seamless_Steel_Pipes_and_Tubes--1279261_1279262.html? ASTM A 53 . Steel grades Gr. A, B. ? ASTM A 106-02 . Steel grades Gr. A, B, C. ? ASTM A179/A179M-01 ? ASTM A192/A192M20060427 http://taidasteel.en.ec21.com/Seamless_Carbon_Steel_Pipe_ASTM--2036894_2036895.htmlA 106, GR. B, ASTM A106 (ASME SA106), 1) Specification range: A/.OD: 8 - 609.6mm B/.WT: 2 - 30.96mm 2) Steel grade: Gr.20070701