http://www.ec21.com/ec-market/astm a 333 pipe.html http://makingexport01.en.ec21.com/Pipeline_Seamless_Pipe--3696894_3696973.htmlA/SA 53B ASTM/ASME A/SA 333 Grade 1 and 6 API 5L B, X42, X52 NACE MR-0175 STEEL CAPABILITIES : High Yield Pipe - API 520090725 http://metalsintl.en.ec21.com/Seamless_Pipe--1933219_1933587.htmlASTM/ASM A210, A1/A2/A3 ASTM/AME A333 GR 3/GR6 Seamless Ferritic Alloy-Steel Pipe for Low-Temperature Service ASTM/AM20090707 http://hssteelbiz.en.ec21.com/Seamless_Steel_Pipes_Tubes--1_3219924.htmlPipes 1/8 ~ 24 0.039 ~ 1.181 ASTM A53 Gr.A, B, A106 Gr.A, B, API 5L Gr.A, B, X-42, X-46, X -52, X-56, X-60, X-65,X-720090226 http://megapsc.en.ec21.com/Pipes--2565243_2565247.htmlASTM A335 Gr P1/P2/P5/P9/P11/P12/P22 C.S-Very Low Temp. Upto-20" ASTM 333 Gr3 Duplex/Super Duplex 1/2"-8"(Seamless) AST20080415 http://mlccorp.en.ec21.com/Pipe--1567508_1567684.htmlA 53, SA 333 Gr1 & 6, high yield to X70 Exotic Pipe: Alloy 200, Alloy 400 , Alloy 600 & 625, Alloy 800 & 825, Duplex, A20080209 http://mukesh1978.en.ec21.com/CARBON_STEEL_LTCS_PIPES_ALLOY--1592623_1592624.htmlPIPES : ASTM A106/A53 Gr A,B,C, A671, A672, ASTM A 333 Gr 6, API 5L Gr B, Gr X42 / X52 / X56 / X60 / X65 / X70 - PSL 1 20090806 http://rahulmetal.en.ec21.com/Stainless_Steel_Sheets_Plates_Coils--1896990_1896991.htmlpipe fittings, etc Executive Standards & Steel Grade For Plates & Pipings: As Per ASTM A 516 Gr. 60/70 As Per ASTM A 5320070426