EN 10297

Execution

Size Range

OD Tolerance

Wall tolerance

Hot-rolled Tube

OD – 80 mm OD > 80 mm Wall < 12 mm Wall - 12 mm

± 0.4 mm± 0.5 % of OD

± 0.7 mm± (5 % x wall thickness + 0.1 mm

Hot-rolled tube

All sizes Wall < 12 mm Wall - 12 mm

+ 0.25/- 0 mm

± 0.8 mm± (5 % x wall thickness+ 0.2 mm)

Cold Worked tube cold-rolled or cold-drawn

OD < 40 mm OD 40 - 80 mm OD > 80 Wall Thickness< 6 mm Wall Thickness6 - 8 mm Wall Thickness > 8

+ 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm*

± 0.30 mm± 0.35 mm± 0.40

Product

Yield Strength

Tensile Strength

Elongation A5 min

MPa min

ksi min

MPa min

MPa min

ksi min

Percentage

C22

420

–

–

21

C35

520

–

–

17

C45

610

–

–

16

C60

720

–

–

13

20MnV6

600

–

–

19

25CrMo4

–

–

–

–

34CrMo4

–

–

–

–

42CrMo4

–

–

–

–

20NiCrMo2-2

–

–

–

–

E235

360

–

–

25

E275

410

–

–

22

E315

450

–

–

21

E355

490

–

–

20

E275K2

410

–

–

22

E355K2

490

–

–

20

C60E

710

–

–

10

38Mn6

670

–

–

14

C22E

430

–

–

24

C35E

550

–

–

18

C45E

620

–

–

14

C10E

–

–

–

–

C15E

–

–

–

–

C15R

–

–

–

–