P235TR2

P235TR2

Non-alloy steel tubes with exceptional room temperature characteristics are welded steel tubes for pressure applications. Applications for EN10217-1 P235TR2 welding steel pipe/steel tube include the following: 1. factory structures, bridges, football fields, and greenhouses; and 2. Free columns, pergolas, glass roofs, and other outside forms are examples of architecture. Surface coatings for P235TR2 steel pipes specified by the client include fusion bond epoxy coating, coal tar epoxy coating, 3PE, varnish coating, bitumen coating, and black oil coating.

PRODUCT FEATURES

EN10217 P235TR2 Welding Steel Name Designated

  • P235TR2 the capital letter P for pressure purposes;
  • P235TR2 is the indication of the specified minimum yield strength for thicknesses less than or equal to 16mm;
  • The alphanumeric TR2 for qualities with specified aluminum content, impact properties, and specific inspection and testing requirements.

Mechanical Properties of P235TR2 Materials

Steel Grade

Yield Strength ReH

for T wall thickness in mm (Mpa)

Tensile

strength Rm

(Mpa)

Elongation at breakage A % min.

T ≤16

16<T≤ .40

Longitudinal

Transversal

P235TR2

235

225

360-500

25

23

Chemical Composition of P235TR2 Materials

Steel Grade

Chemical Composition in % in mass.

Max C %

Max Si %

Max Mn %

Max P %

Max S %

P235TR2

0,160

0,350

1,200

0,025

0,020

Test Frequency of P235TR2 Pipes

Number of Tubes per Test Unit

Outside diameter (mm)

Maximum number of tubes per test unit

D

Quality TR1

D≤114.3

400

114.3<D≤323.9

200

323.9<D≤660

100

D>660

50

P235TR2 Minimum Thickness Specified (1)

NPS

Outside Diameter

(mm)

Wall Thickness

(mm)

Tolerances on the outside

diameter (mm)

Mass per unit of length (Kg/m)

Max.

Min.

1”

33,7

2,30

34,0

33,4

1.78

1.25”

42,4

2,30

42,7

42,1

2,27

1.5”

48,3

2,30

48,6

48,0

2,61

2”

60,3

2,30

60,6

60,0

3.29

2.5”

76,1

2.60

76,4

75,8

4.71

3”

88,9

2.90

89,2

88,6

6,15

4”

114,3

3,20

114,6

114,0

8.77

5”

139,7

3.60

140,0

139,4

12.10

6”

168,1

4,00

168,7

167,9

16.21

8”

219,1

5,00

219,5

218,7

26.40

10’

273.1

5.00

275.15

271.05

33.10

12’

323.9

5.60

326.33

321.47

43.97

P235TR2 Minimum Thickness Specified (2)

NPS

Outside

Diameter (mm)

Minimum Wall

Thickness (mm) with Standard

Tolerance

Tolerances on the outside diameter (mm)

Mass per unit of length (Kg/m)

Max.

Min.

1”

33,7

2,60

34,0

33,4

1,99

1.25”

42,4

2,60

42,7

42,1

2,55

1.5”

48,3

2,60

48,6

48,0

2,93

2”

60,3

2,60

60,6

60,0

3,70

2.5”

76,1

2.60

76,4

75,8

4.71

3”

88,9

2.90

89,2

88,6

6,15

4”

114,3

3,20

114,6

114,0

8.77

5”

139,7

3.60

140,0

139,4

12.10

6”

168,1

4,00

168,7

167,9

16.21

8”

219,1

4,50

219,5

218,7

23,82

10’

273.1

5.00

275.15

271.05

33.10

12’

323.9

5.60

326.33

321.47

43.97

P235TR2 Length Tolerance

Length L (mm)

Tolerance (mm) for outside diameter <406,4 mm

L < 6000

0/+10

6000 < L < 12000

0/+15

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