EC21 Selling Leads Catalogs - 4130 tube http://www.ec21.com/offers/4130 tube.html Sell AISI4140/4130 Alloy Steel Tubeshttp://www.ec21.com/offer_detail/Sell_AISI4140_4130_Alloy_Steel--2783007.html4140,4130 Alloy Steel Tubes,Alloy Steel Pipes,4130 Seamless Pipes,4140 Seamless Pipes,for Gas Cylinder,High Temperature20090630 Sell ASTM A53 Mechanical Seamless Steel Tubinghttp://www.ec21.com/offer_detail/Sell_ASTM_A53_Mechanical_Seamless--8304505.htmltubes. Quality Standard: ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded an20091228 Sell 34CrMo4, 35CrMo carbon steel Tubehttp://www.ec21.com/offer_detail/Sell_34CrMo4_35CrMo_carbon_steel--7256649.htmlCarbon steel tube: Material: ASTM A192/A192M, ASTM A106Gr.B, ASTM A210/A210M, ASTM A179, ASTM A53 Gr.B, ST 52.0, ST52-420091214 Sell Seamlesl carbon steel tubehttp://www.ec21.com/offer_detail/Sell_Seamlesl_carbon_steel_tube--8615021.htmlour factory mainly produce seamless carbon steel tubes from size 10mm to 630mm.the tube length we can make up to 27 met20091214 Sell nozzlehttp://www.ec21.com/offer_detail/Sell_nozzle--8112341.htmltube per Box;B)10 pics in plastic tube per Box Warrantee 12 Months Gross Weight A)0.39kg/box;B)0.65kg/box NOTE Followin20091107 Sell Seamless Steel Tubes (ASTM A519)http://www.ec21.com/offer_detail/Sell_Seamless_Steel_Tubes_ASTM--8014773.html0.5-15mm Steel Grade: 1008, 1010, 1018, 1020, 1025, 1026, 4130, 4140 Richard Shen Skype ID: Richard83122820090520 Sell Seamless steel tube ASTM A519http://www.ec21.com/offer_detail/Sell_Seamless_steel_tube_ASTM--7866510.htmlSeamless steel tube ASTM A519 Application For mechanical engineering etc. Details Size: O.D: 6.0~820.0mm W.T: 1.0~80.0m20090329 Sell Mechanical Tubing (Alloy / Carbon STEEL)http://www.ec21.com/offer_detail/Sell_Mechanical_Tubing_Alloy_Carbon--6686583.html4130 3. Raw material: a. The raw plates / coils are from CSC-China Steel Corporation in Taiwan. b. The Cr-Mo seamless t20081215