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Reg. 54 a
MATERIALS OF CONSTRUCTION

SEAMLESS FERRITIC PIPES FOR HIGH TEMPERATURE SERVICE

Tensile Test

The test specimen shall comply with the requirements given in the table 5. 

Table-5 

MECHANICAL PROPERTY REQUIREMENTS

Grade

 

Yield Strength Mpa

(kg/mm2) min

Tensile Strength

Mpa (kg/mm2) min

% elongation on

GL=50mm min*

P1

205(21.1)

380(38.7)

30

P2

205(21.1)

380(38.7)

30

P5

205(21.1)

415(42.2)

30

P9

205(21.1)

415(42.2)

30

P11

205(21.1)

415(42.2)

30

P12

220(22.5)

415(42.2)

30

P22

205(21.1)

415(42.2)

30

P91

415(42.2)

585(59.8)

20

X20CrMoV121

490(50.0)

690(70.4)

840(85.6)

17

*GL=5.65SO.

 
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Message from Chairman of Central Boilers Board About Central Boiler Board History of Indian Boiler Regulations Foreword Contents Chapter Wise Contents Regulation Wise List of Amendments
Indian Boilers Act 1923 Ibr Forms Home Search Help Contact Us