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EN10297-1 E235 , E275 , E315 , E355b , E470 ,C15 C22 ESeamless Circular Steel Tubes , Structural Steel Pipe Standard:EN10297-1 Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions Non-alloy and alloy steel tubes Application: for seamless circular tubes made of non-alloy and alloy steels for mechanical and gneral engineering purposes. Size range: O.D.: 6-168mm W.T.: 1-30mm L:max12000mm Material: Fine Grain Steel E235,

Structural Steel Pipe , Gost8733 Gost8734 Carbon Steel Pipes Gost8733 Gost8734 Seamless Cold and Warm Deformed pipes Applications: For Structural, liquid transportation, boilers etc Size range: O.D.:6-350m W.T.:1-50mm L:max12000mm Steel Grade Tensile strength, σв, MPa (kgs/mm ) Yield strength, σт, MPa, (kgs/mm ) Elongation, δs, % Brinell hardness (provided wall thickness over 10 mm) Min Diameter impression mm,min Hardness number HB,max 10(St37.00) 343(35) 206(21) 24 5.1 137

GOST 3262-75. Water-supply and Gas-supply Steel Pipes Outside Diameter: 17 – 114 mm Nominal Diameter: 10, 15, 20, 25, 32, 40, 50, 65, 80, 90, 100 mm Wall Thickness: light: 2 – 4 mm; medium: 2,2 – 4,5; heavy: 4,5 – 5 mm. Steel Grades – 08kp, 08ps, 10, 15, 15kp, 15ps, 20, 20kp, 20ps, St1sp, St1ps, St2sp, St2ps, St3kp, St3ps, St3sp Random length: 4 – 9 m, fixed length: 6 – 8 m. The pipes are delivered without zinc-coating, thread and couplings, of normal precision Sizes Nominal

GOST 8734-75 Seamless Structural Steel Pipe and Steel Tubes Cold-Formed 10 , 20 , 35 , 45 , 10Mn2 , 15Cr , 30CrMnSi GOST 8734-75. Seamless Steel Tubes Cold-Formed Outside Diameter: 5 – 140 mm (5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 32; 34; 35; 36; 38; 40; 42; 45; 48; 50; 51; 53; 54; 56; 57; 60; 63; 65; 68; 70; 73; 75; 76; 80; 83; 85; 89; 90; 95; 100; 102; 108; 110; 120; 130; 140) Wall Thickness: 0,4 – 12 mm (0,4; 0,5

GOST 8732-78 10 , 20 , 35 , 45 , Seamless Hot-Formed Steel Pipes , Structural Steel Pipe, Structural Steel Tube GOST 8732-78. Seamless Hot-Formed Steel Pipes Outside Diameter: 32 – 219 mm (32; 33,7; 38; 42; 42,4; 45; 48,3; 50; 51; 54; 57; 60; 60.3*; 63,5; 68; 70; 73; 76; 82,5*; 83; 89; 95; 102; 108; 114; 121; 127; 133; 140; 146; 152; 159; 168; 178*; 180; 194; 203; 219) Wall Thickness: 2.8 – 46 mm (2,8; 3; 3,2*; 3,5; 4; 4,5; 5; 5,5; 6; 6,5; 7; 7,5; 8; 8,5; 9; 9,5; 10; 11; 12;

ASTM A106 Seamless Carbon Steel Tubes for high-temperature service Size range: O.D.:6-711mm W.T.:1-15mm L:max12000mm Steel Grade and Chemical Compositions: Steel Grade C Mn P S Si Cr Cu Mo Ni V max 　 max max min max max max max max A 0.25 0.27~0.93 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08 B 0.30 0.27~1.06 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08 C 0.35 0.27~1.06 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08 Mechanical Properties: Grade Tensil Strength Mpa Yield Point Mpa

Current table represents European standard U (UPN, UNP) channels, UPN steel profile (UPN beam), specifications, properties, dimensions. Manufactured according to standards :DIN 1026-1: 2000, NF A 45-202: 1986EN 10279: 2000 (Tolerances)EN 10163-3: 2004, class C, subclass 1 (Surface condition)STN 42 5550CTN 42 5550TDP: STN 42 0135IdentificationNominal weight 1mNominal dimensionsCross-section Dimensions for detailingUNP bhst=R1R2eAd kg/mmmcm2mmUPN 304,2733305,07,03,5-5,4-UPN

DIN EN 10210-1 Hot finished structural hollow sections of non-alloy and fine grain steels DIN EN 10210-1 Hot finished structural hollow sections of non-alloy and fine grain steelsPart 1: Technical delivery conditionsPart 2: Tolerances, dimensions and sectional properties Cold forming:Process is done at ambient temperature Structural hollow section manufacturing process:Structural hollow sections are manufactured by seamless or by welding.Welded sections manufactured by

JIS G 3444 STK290,STK400 STK500 STK490 STK540 Carbon Steel Tubes for General Structural Purposes JIS G 3444 Carbon Steel Tubes for general structural purposes Standard :JIS G 3444Size range:OD 5-420mm * WT 0.5-50mm *12000mm max Application:for general structural purposes Steel Grade:STK290,STK400 STK500 STK490 STK540 or per customer's request.Relevant standard :KS D 3566 ASTM A500,A252, A501, BS 6323 Tube manufacture method:1. Seamless2. butt-welded3. Automatic arc welded4.