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EN 10297

EN 10297-1: 2003 Seamless circular steel tubes for mechanical and general engineering purposes. Non-alloy and alloy steel tubes. Technical delivery conditions

Execution	Size Range	OD Tolerance	Wall tolerance
Hot-rolled Tube	OD – 80 mm OD > 80 mm Wall < 12 mm Wall - 12 mm	± 0.4 mm± 0.5 % of OD	± 0.7 mm± (5 % x wall thickness + 0.1 mm
Hot-rolled tube	All sizes Wall < 12 mm Wall - 12 mm	+ 0.25/- 0 mm	± 0.8 mm± (5 % x wall thickness+ 0.2 mm)
Cold Worked tube cold-rolled or cold-drawn	OD < 40 mm OD 40 - 80 mm OD > 80 Wall Thickness< 6 mm Wall Thickness6 - 8 mm Wall Thickness > 8	+ 0.30/- 0 mm+ 0.35/- 0 mm+ 0.40/- 0 mm*	± 0.30 mm± 0.35 mm± 0.40

Note:

* - at +QT conditions pipes with outside diameter ≥100 mm and wall thickness ≤ 28 mm can be produced.

EN 10297-2: 2005 Seamless circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions

Specified Minimum Yield Strength Of BS EN 10297-2 Material

Product	Yield Strength		Tensile Strength			Elongation A5 min
	MPa min	ksi min	MPa min	MPa min	ksi min	Percentage
C22			420	–	–	21
C35			520	–	–	17
C45			610	–	–	16
C60			720	–	–	13
20MnV6			600	–	–	19
25CrMo4			–	–	–	–
34CrMo4			–	–	–	–
42CrMo4			–	–	–	–
20NiCrMo2-2			–	–	–	–
E235			360	–	–	25
E275			410	–	–	22
E315			450	–	–	21
E355			490	–	–	20
E275K2			410	–	–	22
E355K2			490	–	–	20
C60E			710	–	–	10
38Mn6			670	–	–	14
C22E			430	–	–	24
C35E			550	–	–	18
C45E			620	–	–	14
C10E			–	–	–	–
C15E			–	–	–	–
C15R			–	–	–	–

EN 10312

EN 10296

SAF Coolest v1.3 设置面板UYASS-ANVP-ASSWE-ZDS

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PIPE STANDARDS

SAF Coolest v1.3 设置面板UYASS-ANVP-ASSWE-ZDS

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