EC21 Product Catalogs - st37 chemical composition http://www.ec21.com/ec-market/st37 chemical composition.html Carbon Steel Pipe DIN1629http://wysteel07.en.ec21.com/Carbon_Steel_Pipe_DIN1629--3367087_3427683.htmlSt37.0,St44.0,St52.0 Chemical Composition&Mechanical Properties: Standard Grade Chemical Composition(%) Me20091231 Carbon Steel Seamless Pipehttp://xy1116688.en.ec21.com/Carbon_Steel_Seamless_Pipe--2166882_2873806.htmlCHEMICAL COMPOSITION(%) C Si Mn P S Cr Mo Cu Ni V> ASTM A106 A106B?0.30?0.10 0.29-1.06?0.035?0.035?0.40?0.15?0.40?0.40?20091230 Material for Engine Bearinghttp://shniuzhang.en.ec21.com/Material_for_Engine_Bearing--1171072_1286957.htmlST37-2G 2).Chemical composition C Mn P S Al Si Cu <=0.12 0.18-0.50 <=0.04 <=0.05 <=0.02 <=0.1 <=0.1 3).Hardness: HR20091221 DIN 1629/2448 ST37 Boiler Pipehttp://xiaochen888.en.ec21.com/DIN_1629_2448_ST37_Boiler--3983717_3983718.htmlChemical Composition, Mechanical Properties(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Flange, H20091205 EN10216 Seamless Steel Tubehttp://everbrightpipe.en.ec21.com/EN10216_Seamless_Steel_Tube--3883380_3892205.htmlChemical Composition inspection, Mechanical Properties Test(Tensile Strength, Yield Strength, Elongation, Flaring, Flat20091023 Boiler Tubes(seamless steel tube/pipe)http://liuliu77.en.ec21.com/Boiler_Tubes_seamless_steel_tube--3154548_3154549.htmlChemical Composition, Mechanical Properties(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, 20090824 Sell API 5L Line Pipeshttp://jshuacheng.en.ec21.com/Sell_API_5L_Line_Pipes--3355887_3355928.htmlChemical Composition Mechanical Properties Dimension and Visual Test 20090725 Carbon Cold Drawn Seamless Steel Boiler Tubehttp://tokideng.en.ec21.com/Carbon_Cold_Drawn_Seamless_Steel--2226858_3686978.htmlChemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flatt20090721 Seamless Steel Pressure Purposes Tubing DIN 1629(EN10216-1)http://beyondmoy.en.ec21.com/Seamless_Steel_Pressure_Purposes_Tubing--2933545_2933643.htmlSt37.0/St37.5, St52.0/St52.3 EN10216-1 P195TR1, P235TR1, P265TR1 Chemical Composition: C, S20080728 Cold Drawn Seamless Tubehttp://zieglerchen.en.ec21.com/Cold_Drawn_Seamless_Tube--2729639_2729640.htmlcleanness, smooth on the inner surface, chemical composition and mechanical properties fully according with standards.20080408 Seamless Steel Pipehttp://elainefu.en.ec21.com/Seamless_Steel_Pipe--3522286_3563601.htmlChemical composition: Refers to GB5310-1999 or please contact us Packing: Bundles, seaworthy wooden cases With or with20090521