BS EN 10224 Carbon Steel Tubes

seamless steel pipe_Seamless API 5CT Casing Pipe

BS EN 10224 Carbon Steel Tubes

The EN 10224 standard specifies steel pipes for conveying gases and liquids. The steel pipes to this standard are mainly carbon steel and alloy steel, and apply to both welded and seamless pipes. Common grades include L235, L275 and L355.

EN 10224 ensures the safety and reliability of steel pipes for drinking water, sewage and natural gas. It requires traceability markings on the pipes, and certificates of conformity and test reports must be available when leaving the factory. This standard pipe is widely used in water, wastewater and natural gas projects.

BS EN 10224 Specification

Production Standard	EN10224
Herstellungsverfahren	BW, ERW, SMLS, SAW
Außendurchmesser	BW: 26.9-114.3mm
	ERW: 26.9-610mm
	SMLS: 26.9mm -711mm
	SAW: 168.3-2743mm
Wanddicke	BW: 2-6.3mm
	ERW: 1.4-16mm
	SMLS: 2-100mm
	SAW: 6.3-50mm
Länge des Rohrs	3-18m
Stahlsorte	L235, L275, L355
Korrosionsschutz	Lacquer, Varnish, Oiling, Galvanizing,PE
Prozesse beenden	Square Cut, Bevelling, Threading, Socket
Weiterverarbeitung	Schweißen, Biegen, Bohren, Stanzen, Gesenkschmieden, Konifizieren, Bördeln, Expandieren

Dimension

Außerhalb
Durchmesser
mm

Wanddicke mm

2.0

2.3

2.6

2.9

3.2

3.6

4.0

4.5

5.0

5.4

5.6

6.3

7.1

8.0

8.8

10

11

12.5

14.2

16

17.5

20

22.2

25

26.9

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30

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31.8

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32

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33.7

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35

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38

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40

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42.4

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44.5

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48.3

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51

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54

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57

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60.3

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63.5

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70

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73

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76.1

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82.5

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88.9

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101.6

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108

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114.3

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139.7

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141.3

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152.4

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168.3

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177.8

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193.7

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219.1

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244.5

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273

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323.9

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355.6

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406.4

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457

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508

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559

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610

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660

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711

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762

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813

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864

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914

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1067

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1118

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1168

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1219

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1321

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1422

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1524

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1626

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1727

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1829

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1930

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2032

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2134

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2235

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2337

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2438

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2540

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2642

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2743

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Chemischer Bedarf

Stahlsorte		C %	Si %	Mn %	P %	S %
Stahl Name	Stahl Nummer	max	max	max	max	max
L235	0252	0.16	0.35	1.2	0.03	0.025
L275	0260	0.2	0.4	1.4	0.03	0.025
L355	0419	0.22	0.55	1.6	0.03	0.025

Mechanische Anforderung

Stahl Name	Zugfestigkeit Stärke Rm MPa	Minimum Yield Strength Re MPa For Thickness in mm		Minimum Elongation A % （Lo*5.65√So）		Diameter Of Mandrel For The Weld Bend Test
Stahl Name	Zugfestigkeit Stärke Rm MPa	T ≤ 16	T ＞ 16	l	t	Diameter Of Mandrel For The Weld Bend Test
L235	360 bis 500	235	225	25	23	3T
L275	430 to 570	275	265	21	19	4T
L355	500 bis 650	355	345	21	19	4T

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