Steel Tube Handbook - 2018

24 NFA 49-112 Steel tubes. Plain end seamless hot rolled tubes with specified room temperature properties and with special delivery conditions. TDC. NFA 49-210 Steel tubes – Seamless cold drawn tubes for fluids piping. Dimensions. TDC. UNI 7287 Seamless plain end tubes made from basis non-alloy steel. STN 42 0250 ČSN 42 0250 Hot formed seamless tubes from steel class 10 to 16. TDC. STN 42 5715 ČSN 42 5715 Hot formed seamless steel tubes. Dimensions. STN 42 5716 ČSN 42 5716 Hot formed seamless steel tubes with smaller tolerances. Dimensions. GOST 8731 Seamless hot-formed steel pipes. TDC. GOST 8732 Seamless hot-formed steel pipes. Dimensions. PN-H 84018 Low-alloy steel with higher properties. PN-H 74219 Hot rolled seamless steel tubes for structural and distribution purposes. PN-H 84023/07 Steel for higher purposes. Steel for tubes. ASTM A53 Pipe, steel, black and hot-dipped, zinc-coated, welded and seamless. ASTM A530 General requirements for specialized carbon and alloy steel pipe. JIS G 3454 Carbon steel pipes for pressure service. JIS G 3455 Carbon steel pipes for high pressure service. Seamless steel tubes for pressure equipments for room temperatures List of dimensional standards and technical delivery conditions standards Standards Dimensions Dimensional standards Dimensional range Tolerance D Tolerance T Lengths Straightness Tube ends NFA 49-112 Table 5/Page 40 ±1% min ±0,5 mm D ≤ 101,6 mm, T ≤ 10 mm ±12,5 % min ±0,5 mm D ≤ 101,6 mm,T > 10 mm ±10 % D > 101,6 mm see Tab. 4 of Standard • random • exact with tolerances: L ≤ 8 m 0 +10 mm  L > 8 m 0 +15 mm  3 mm/m, total 0,2 % of length • square cut ends • free from excessive burrs • option: with beveled ends (D ≥ 42,4 mm) 49-210 D ≤ 38 mm ±0,25 mm D > 38 mm ±0,75 % ±10 %. min. ±0,20 mm Weight –8 % +10 % • square cut ends • free from excessive burrs UNI 7287 D ≤ 50 mm ±0,5 mm D > 50 mm ±1 % –15 % Weight ±10 % • random • exact with tolerances: L ≤ 6 m 0 +10 mm L > 6 m 0 +15 mm STN ČSN 42 5715 42 5716 (42 6710) (42 6711) Table 23/Page 68 42 5715 D ≤ 219 mm ±1,25 % min ±0,5 mm 42 5716 D ≤ 219 mm ±1 % min ±0,5 mm 42 6710 ±1 % min ±0,4 mm 42 6711 see precision tubes –15 % +12,5 % ±12,5 % T ≤ 3 mm –10 % +15 % T > 3 mm –10 % +12 % • random • exact 0 +15 mm  • multiple +5 mm on cut, max +50 mm • straightened 3 mm/m • precise straightened 1,5mm/m • marking .+1 .+2 behind DS • square cut ends • free from excessive burrs • option: with beveled ends GOST 8732 Table 6/Page 42 See page 28 PN-H 74219 Table 5/Page 40 D ≤ 50 mm ± 0,50 mm Nad 50 mm Class of precision D1= ± 1,25% Class of precision D2 = ± 1,00% Class of precision D1= ± 15% Class of precision D2 D ≤ 130 mm ± 10% D = 130 - 320 mm ± 12,5% D > 320 mm ± 15% • random 4 - 12,5 m • exact up to 7 m: L ≤ 6 m 0 + 10 mm  L > 6 m 0 + 15 mm  • multiple + 5 mm on cut • fixed ± 500 mm • T up to 20 mm 1,5 mm/m • T > 20 mm 2,0 mm/m • square cut ends • beveled ends for D > 101,6 mm and T up to 16 mm ASTM ASME A53 SA-53 See page18 JIS G3454 Tab 12/Page 47 Hot finished: D ≤ 40 mm ±0,5 mm D = 50–125 mm ±1 % D > 150 mm ±1,6 mm Cold finished: D ≤ 25 mm ±0,3 mm D > 32 mm ±0,8 % T ≤ 4 mm –0,5 mm +0,6 mm T > 4 mm –12,5 % +15 % T ≤ 3 mm ±0,3 mm T > 3 mm ±10 % Visually straight • square cut ends • free from excessive burrs • option: with beveled ends G3455 Hot finished: D ≤ 50 mm ±0,5 mm D = 50–160 mm ±1 % Cold finished: D ≤ 40 mm ±0,3 mm D > 40 mm ±0,8 % T ≤ 4 mm ±0,5 mm T > 4 mm ±12,5 % T ≤ 2 mm ±0,2 mm T > 2 mm ±10 %  HF production facilities to 12,7 m + 30 mm (50 mm), over 12,7 m + 100 mm

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