P235TR1

P235TR1

The following are the dimensions of welded steel tubes for pressure applications: Tubes made of carbon steel with remarkable room temperature properties. The following uses of EN10217-1 P235TR2 welding steel pipe/steel tube: 1. industry: manufacturing plants, bridges, football fields, and greenhouses; and 2. architecture: free columns, pergolas, glass roofs, and other exterior forms. For P235TR2 steel pipes, the client-specified surface coatings include fusion bond epoxy coating, coal tar epoxy coating, 3PE, varnish coating, bitumen coating, and black oil coating.

PRODUCT FEATURES

EN10217 P235TR1 Welding Steel Name Designated

  • P235TR1 the capital letter P for pressure purposes;
  • P235TR1 is the required minimum yield strength for thicknesses less than or equal to 16mm;
  • TR1 is the alphanumeric code for qualities without defined aluminum content, impact characteristics, or special inspection and testing criteria.

Mechanical Properties of P235TR1 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

P235TR1

235

225

360-500

25

23

Chemical Composition of P235TR1 Materials

Steel Grade

Chemical Composition in % in mass.

Max C %

Max Si %

Max Mn %

Max P %

Max S %

P235TR1

0,160

0,350

1,200

0,025

0,020

Test Frequency of P235TR1 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

P235TR1 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

P235TR1 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

P235TR1 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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