Standard: EN 10210-1, EN 10210-2

Material: S460NLH, 1.8956

Dimensions & Tolerance

Characteristics	Tolerance
Outside Diameter of Size (H:Longest Side; B:Shortest Side)	H＜100mm, B＜100mm	max ±1% with a min of ±0.5mm
	100mm≤H≤200mm, 100mm≤B≤200mm	±0.8%
	H>200mm, B>200mm	±0.6%
Wall Thickness	WT≤5mm	±10%
Wall Thickness	WT>5mm	±0.5mm
Concavity/Convexity	max ±0.8% with a min of ±0.5mm
Squareness of Sides	90°±1°
External Corner Radius	WT≤6mm	1.6WT≤R≤2.4WT
	6mm＜WT≤10mm	2.0WT≤R≤3.0WT
	WT>10mm	2.4WT≤R≤3.6WT
Twist	2mm + 0.5mm/m in length
Straightness	1.5mm/1000mm in total length
Mass	±6% in individual lengths
Length	L＜6000mm	+5mm/-0mm
	6000mm≤L≤10000mm	+15mm/-0mm
	L>10000mm	+5mm/-0mm plus 1mm/m

EN 10210-1 and EN 10210-2 specify technical delivery conditions, tolerances, dimensions and sectional properties for hot finished hollow sections of circular, square, rectangular or elliptical forms and applies to hollow sections formed hot, with or without subsequent heat treatment, or formed cold with subsequent heat treatment to obtain equivalent metallurgical conditions to those obtained in the hot formed product.

Manufacture: pipes to EN 10210-1 and EN 10210-2 shall be manufactured by hot finished or cold finished.
Delivery Condition: the pipes shall be delivered in the conditions of two conditions, A qualities JR, J0, J2 and K2 - hot finished, B qualities N and NL - normalized, including normalized rolled.
Inspection & Test: chemistry composition analysis, tensile test, impact test for qualities J2 and K2, welded pipes NDT of the weld, surface inspection and dimension check.

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HOT ROLLED HOLLOW SECTIONS

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