Guide to ISO 17632-A: Cored wires for non-alloy and fine grain steels

Symbol

Symbol

Tensile Strength

MPa

Elongation

min. %

355

380

420

460

500

440-570

470-600

500-640

530-680

560-720

Impact Energy

Charpy-V

Temp °C for 47J min.

Z

A

0

2

3

4

5

6

No requirements

+20

0

–20

–30

–40

–50

–60

All positions

All positions, except vertical down

Flat butt weld, flat fillet weld, horizontal-vertical fillet weld

Flat butt weld, flat fillet weld

Vertical down and positions according to symbol 3

22

20

20

20

18

Symbol

Welding position

1

2

3

4

5

Yield Strength

min. MPa

35

38

42

46

50

Tubular cored

electrode/ metal

arc welding

T

Symbol

46

3

Shielding gas

M

EN ISO 14175

Mixed gas without helium

EN ISO 14175

Carbon dioxide

C

1Ni

B

M

2.0

1.4

1.4 - 2.0

1.4

1.6

1.4

1.4

1.4 - 2.0

1.4

Ni

4

H5

Symbol

Hydrogen content,

ml/100 g deposited

weld metal, max.

H5

H10

H15

Chemical composition of all-weld metal , % *

Mn

No symbol

Mo

MnMo

1Ni

1.5Ni

2Ni

3Ni

Mn1Ni

1NiMo

Z

Symbol

5

10

15

Mo

–

–

–

0.3 - 0.6

–

0.3 - 0.6

0.6 - 1.2

–

1.2 - 1.8

–

1.8 - 2.6

–

2.6 - 3.8

–

0.6 - 1.2

–

0.6 - 1.2

0.3 - 0.6

Any other agreed composition

* If not specified Mo<0.2, Ni <0.5, Cr < 0.2, V <0.08, Nb <0.05, Cu < 0.3

and for electrodes witout a gas shield Al<2.0

Single values shown in the table are maximum values.

Symbol

Characteristics

Types of weld

Shielding gas

Singel-pass

R

P

B

M

V

W

Y

Z

Rutile, slow freezing slag

Rutile, fast freezing slag

Basic

Metal powder

Rutile or basic/fluoride

Basic/fluoride, slow freezing slag

Basic/fluoride, fast freezing slag

Other types

259

274

Multiple-pass

X

X

X

X

X

X

X

X

X

X

X

X

X

Required

Required

Required

Required

Not required

Not required

Not required