EN10219-2 LSAW Steel Pipe
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EN10219-2 LSAW Steel Pipe

EN10219-2 straight seam welded pipe is a European standard cold-formed welded pipe, mainly used in industrial fields such as building structures and machinery manufacturing.

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Inspection-Report-Of-LSAW-Pipe-converted.pdf

Product Introduction

EN10219-2 LSAW steel pipe Description

EN10219-2 straight seam welded pipe is a cold-bent welded structural hollow pipe.

This document specifies tolerances for cold formed welded circular, square, rectangular and elliptical
structural hollow sections, manufactured in wall thicknesses up to 40 mm, in the following size ranges:
- circular: Outside diameters up to 2 500 mm;
- square: Outside dimensions up to 500 mm x 500 mm;
- rectangular: Outside dimensions up to 500 mm x 300 mm;
- elliptical: Outside dimensions up to 480 mm x 240 mm.
The formulae for calculating sectional properties of sections manufactured to the dimensional
tolerances of this standard, to be used for the purposes of structural design, are given in Annex A.
Dimensions and sectional properties for a limited range of more common sizes are given in Annex B.
NOTE: The designation of the sections' major axis (yy) and minor axis (zz) aligns with the axis designation
used for structural design in the structural Eurocodes.

EN10219-2 LSAW steel pipe specification

Size : OD:406-1422.40mm WT:1.65-40mm, Length: 6mtr-20mtr
Standard & Grade: EN10219 Grade S235JRH,S275JOH,S275J2H,S355JOH,S355J2H,S355K2H
Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Coating: 3PE Coating;3PP Coating;FBE Coating;Epoxy Coating;Special Painting

chemical composition

Steel grade		Type of de- oxidation a	% by mass, maximum
Steel name	Steel number	Type of de- oxidation a	C	Si	Mn	P	S	N b
S235JRH	1.0039	FF	0,17	-	1,40	0,040	0,040	0.009
S275J0H	1.0149	FF	0,20	-	1,50	0,035	0,035	0,009
S275J2H	1.0138	FF	0,20	-	1,50	0,030	0,030	-
S355J0H	1.0547	FF	0,22	0,55	1,60	0,035	0,035	0,009
S355J2H	1.0576	FF	0,22	0,55	1,60	0,030	0,030	-
S355K2H	1.0512	FF	0,22	0,55	1,60	0,030	0,030	-
a. The deoxidation method is designated as follows: FF: Fully killed steel containing nitrogen binding elements in amounts sufficient to bind available nitrogen (e.g. min. 0,020 % total Al or 0,015 % soluble Al). b. The maximum value for nitrogen does not apply if the chemical composition shows a minimum total Al content of 0,020 % with a minimum Al/N ratio of 2:1, or if sufficient other N-binding elements are present. The N-binding elements shall be recorded in the Inspection Document.

Mechanical Properties

Steel grade		Minimum yield strength ReH MPa		Tensile strength Rm MPa		Minimum elongation A d %	Minimum impact energy KV e J
Steel name	Steel number
		Specified thickness mm		Specified thickness mm		Specified thickness mm	at test temperature of
		£ 16	> 16 £ 40	< 3	³ 3 £ 40	£ 40	-20°C	0 °C	20 °C
S235JRH a	1.0039	235	225	360-510	360-510	24 b	-	-	27
S275J0H a	1.0149	275	265	430-580	410-560	20 c	-	27	-
S275J2H	1.0138						27	-	-
S355J0H a	1.0547	355	345	510-680	470-630	20 c	-	27	-
S355J2H	1.0576						27	-	-
S355K2H	1.0512						40 f	-	-
a. The impact properties are verified only when Option 1.3 is specified. b. For thicknesses > 3 mm and section sizes D/T < 15 (round) and (B+H)/2T < 12,5 (square and rectangular) the minimum elongation is reduced by 2. For thicknesses £ 3 mm the minimum value for elongation is 17 %. c. For section sizes D/T<15 (circular) and (B+H)/2T<12,5 (square and rectangular) the minimum elongation is reduced by 2. d. For thicknesses < 3 mm see 9.2.2. e. For impact properties for reduced section test pieces see 6.7.2. f. This value corresponds to 27J at –30 °C (see EN 1993-1-1).

EN10219-2 LSAW pipe in stock

EN10219-2 Cold-formed Hollow Structural Pipes

Applications

Architectural steel structures: high-rise building trusses, grid supports (mainly square/rectangular tubes).
Construction machinery: crane booms, elevator rails (high yield strength requirements).
Bridge auxiliary structures: guardrail bases, temporary support frames (weather-resistant materials such as S355J0H.

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