EN 10217

EN 10217

EN 10217 – Welded Steel Tubes for Pressure Purposes – Technical Delivery Conditions.

This section of the European Standard specifies the technical delivery requirements for welded steel tubes for pressure purposes. For carbon steel pipes, only EN 10217-1 and EN 10217-2 two parts are relevant.

PRODUCT FEATURES

Steel Grades of EN 10217 Pipes

EN10217-1: Non-Alloy Steel Tubes with Specified Room Temperature Properties

EN 10217-1 defines the technical delivery criteria for qualities TR1 and TR2 of electric welded and submerged arc welded tubes of circular cross-section, with specified room temperature attributes, manufactured from non-alloy grade steel. It is designed for use at room temperature and in sprinkler or fire protection systems, and it is available in a variety of thicknesses.

- Mechanical Properties of EN 10217-1 Pipes

Steel Grades

Tensile Properties

Impact Properties

Steel Name

Steel Number

Upper Yield Strength

Tensile Strength

Elongation

Minimum Average Absorbed Energy

At a temperature of ℃

T≤16

16<T≤40

l

t

Mpa

Mpa

l

t

0

-10

0

P195TR1

1.0107

195

185

320-440

27

25

P195TR2

1.0108

195

185

320-440

27

25

40

28

27

P235TR1

1.0254

235

225

360-500

25

23

P235TR2

1.0255

235

225

360-500

25

23

40

28

27

P265TR1

1.0258

265

255

410-570

21

19

P265TR2

1.0259

265

255

410-570

21

19

40

28

27

- Outside Diameter and Wall Thickness Tolerance on EN10217-1

Outside Diameter

Tolerance on

Outside Diameter

Wall Thickness

D

D

T ≤ 5

5 < T ≤ 40

D ≤ 219.1

±1% or ±0.5

Whichever is the greater

±10% or ±0.3

Whichever is the greater

±8% or ±2

Whichever is the greater

D > 219.1

±0.75% or ±6

Whichever is the greater

- Length Tolerance on EN10217-1

Length

Tolerances on Exact Length for Outside Diameter (D)

L

< 406.4

≥ 406.4

L ≤ 6000

+10, 0

+25, 0

6000 < L ≤ 12000

+15, 0

+50, 0

L > 12000

+ by agreement, 0

+ by agreement, 0

EN 10217-2: Electric Welded Non-Alloy and Alloy Steel Tubes with Specified Elevated Temperature Properties

EN 10217-2 specifies the technical delivery conditions for two test categories of electric welded tubes of circular cross-section, with specified elevated temperature properties, made from non-alloy quality steel or alloy special steel.

- Mechanical Properties of EN 10217-2 Pipes

Steel Grades

Tensile Properties

Impact Properties

Steel Name

Steel Number

Upper Yield Strength

Tensile Strength

Elongation

Minimum Average Absorbed Energy

At a temperature of ℃

l

t

Mpa

Mpa

l

t

20

0

-10

20

0

P195GH

1.0348

195

320-440

27

25

40

28

27

P235GH

1.0345

235

360-500

25

23

40

28

27

P265GH

1.0425

265

410-570

23

21

40

28

27

16Mo3

1.5415

280

450-600

22

20

40

27

- Outside Diameter and Wall Thickness Tolerance on EN10217-2

Outside Diameter

Tolerance on

Outside Diameter

Wall Thickness

D

D

T ≤ 5

5 < T ≤ 40

D ≤ 219.1

±1% or ±0.5

Whichever is the greater

±10% or ±0.3

Whichever is the greater

±8%

D > 219.1

±0.75%

- Length Tolerance on EN10217-2

Length

Tolerances on Exact Length for Outside Diameter (D)

L

< 406.4

≥ 406.4

L ≤ 6000

+10, 0

+25, 0

6000 < L ≤ 12000

+15, 0

+50, 0

L > 12000

+ by agreement, 0

+ by agreement, 0

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