Steel Tube Handbook - 16. edition january 2021

19 TDC Steel grade Testing and certificates Other TDC standards Name Condition Surface Testing Certificate Marking Surfaceprotection Packing 49-311 TU 37-b TU 52-b TU 56-b TU XC35 Hot finished • as rolled • tensile test • cast analysis • other tests upon agreement Upon agreement • Longitudinally on tube • Label on bundle • without • upon agreement bundle 300– 3500 kg 49-312 S 470M S 450MG2 Hot finished • as rolled • normalized 663 7729 Fe 35-1 Fe 45-1 Fe 52-1 Fe 55-1 Fe 35-2 Fe 45-2 Fe 52-2 Fe 55-2 Fe 360 Fe 510 Fe 540 Hot finished • as rolled Cold finished • normalized • hydrotest • other tests upon agreement • visual • tensile test • dimensions • producer’s logo • steel grade • standard 42 0250 Data – see page 25 8731 Data – see page 29 steel 1050: 10, 20, 35, 45; 19281: 09G2S 74219 Data – see page 25 steel 84018: 18G2, 18G2A; 84019:10,20,35,45, 55; 84023/7: R35, R45, R55 (chemical composition see also page 67) A53/A530 SA53/SA 530 Grade A Grade B Hot finished • as rolled Dimensions 1/8– 3/8 (DN 6 - 10) cold finished and thereafter heat treated • adequate to produc- tion mode • upon agreement insulation • product analysis • tensile test • impact test (NPS ≤ 2 inch) • flattening • leakage – optional: - NDT (NDE) E213, E309, E570 - hydrostatic pressure, values see page 104 Tube or bundle: Data: • producer • seamless • steel grade • standard size • length • cast number method of testing NPS < 11/2 – label at non insulated tubes upon agreement according to A700 A519 Steel grades see in chemical composition tables Hot finished (HF) Cold finished (CW) • A (annealed) •N(normalized) • SR (stress relieved) • QT (quench. and temp.) • product analysis • tensile test (upon agreement) • hardness (upon agreement) • drift expanding (upon agreement) • NDT (upon agreement) G3445 Steel grades see in chemical composition tables Seamless tubes: S Hot finished: H Cold finished: C • condition according to agreement • product analysis • tensile test • impact test • flattening • hydrotest or NDT upon agreement Tube or bundle: • steel • method (SH, SC) • dimension • producer