Steel Tube Handbook - 2018

25 Standards Steel Chemical composition [%] Mechanical properties C Si Mn P max S max Cr Ni Mo Cu Other Re Rm A5 min MPa min ksi min MPa max MPa min ksi min % GOST 1050 10 0,07–0,14 0,17–0,37 0,35–0,65 max.0,15 205 330 31 20 0,17–0,24 0,17–0,37 0,35–0,65 max.0,25 245 410 25 35 0,32–0,40 0,17–0,37 0,50–0,80 max.0,25 315 530 20 45 0,42–0,50 0,17–0,37 0,50–0,80 max.0,25 355 600 16 JIS G3454 STPG 370 max.0,25 max.0,35 0,30–0,90 0,040 0,040 215 370 30 STPG 410 max.0,30 max.0,35 0,30–1,00 0,040 0,040 245 410 25 G3455 STS 370 max.0,25 0,10–0,35 0,30–1,10 0,035 0,035 215 370 30 STS 410 max.0,30 0,10–0,35 0,30–1,40 0,035 0,035 245 410 25 STS 480 max.0,33 0,10–0,35 0,30–1,50 0,035 0,035 275 480 25 PN-H 84023/07 R35 0,07–0,16 0,12–0,35 0,40–0,75 0,040 0,040 max.0,30 max.0,30 max.0,10 max.0,30 215 360 24 R45 0,16–0,22 0,12–0,35 0,60–1,2 0,040 0,040 max.0,30 max.0,30 max.0,10 max.0,30 255 430 22 18G2A max 0,2 0,20–0,55 max 1,6 0,040 0,040 max.0,30 max.0,30 max.0,10 365 510 22 * Mainly the first four steels are used for pressure purposes and as steels for building. All steels are used for machine and common purposes (see pages 20 and 21). Steels grades, chemical composition and mechanical properties TDC Steel grade Testing and certificates Other TDC standards Name Condition Surface Testing Certificate Marking Surfaceprotection Packing 49-112 TU E220A TU E235A Hot finished • as rolled Cold finished • normalized Visually without defects, adequate to production mode. Surface treatment possibility. • product analysis • tensile test • flattening • drift expanding • leak tightness (page 11) • dimensions • visual • upon agreement NDT 49-000 49-001 Type A Type B Type D (CCPU) D < 26,9 mm label D > 26,9 mm each tube or label • producer • standard • steel grade • without protection • uponagreement bundle 300 – 3500 kg 49-210 TU 37B TU 42B Cold finished • normalized D > 48,3 mm each tube 7287 Fe 320 Hot finished • as rolled Cold finished • normalized 42 0250 (42 0260) 11 353* 11 453 11 503 11 523 11 550 11 650 12 040 12 050 12 060 Hot finished • as rolled condition .1 behind steel designation Cold finished • normalized condition .1 behind steel designation 0+ scaled .1+ pickled .5+ asphalt .6+ zinc coated Cold finished .4+ metallic clean .9+ special agreement (first number behind DS) • tensile test Upon agreement: • hardness • flattening • drift expanding • leak tightness (page 11) • NDT 42 0250 .0+ acknow- ledgement .1+ test certificate .2+ customer .9+ agre ement • label • colour stripes 8731 (1050) 10 20 35 45 See page 29 74219 (84023) (84018) R35, R45 18G2A Hot finished • as rolled • other condition according to agreement Cold finished • normalized Visually without defects, adequate to production mode. Surface treatment possibility. Pipeline - Groups of tests A1-3 Structural - Groups of tests B1-3 • dimensions - all groups • surface - all groups • composition - all except A1 • leak tightness - A1 - 3 • mechanical - all except A1, B1 • technological - A3, B3 • compliance with PN-H • certificate D ≤ 31,8 mm, T ≤ 3,2 mm label on bundle D and T over - each tube Data: • producer • steel • castnumber (at alloy steels) • black tubes (CZ) • according to agreement ASTM A53/A530 Grade A Grade B See page 19 G3454 STPG 370 STPG 410 Hot finished • as rolled Cold finished • normalized • product analysis • tensile test • flattening • impact test • hydrotest or NDT • dimensions G0303 • steel • prosess ( -S-H, -S-C) • dimensions • manufacturer - at JIS G3454 • symbol Z3 or Z4 Z3 - ultrasonic Z4 - eddy current - at JIS G 3455 • Z2, Z3, Z4, Z5 Z2 - yield elev. temperat. Z5 - impact test G3455 STS 370 STS 410 STS 480