Guide to EN ISO 14171-A: Solid wires,solid wire- flux and tubular cored

electrode - flux combinations for submerged arc welding of non alloy

and fine grain steels

S

S

46

6

AB

S3Si

SAW process

Impact properties

Chemical constituents of flux

Symbol Temp.OC for min. average

Impact energy of 47J

Tensile properties, all-weld metal

Symbol

35

38

42

46

50

Yield strength Tensile strength

MPa min.

Mpa

355

380

420

460

500

440-570

470-600

500-640

530-680

560-720

Z

A

O

2

3

4

5

6

7

8

Elongation

% min.

22

20

20

20

18

No requirements

+20

0

-20

-30

-40

-50

-60

-70

-80

Symbol

Type of flux

MS

CS

ZS

RS

AR

AB

AS

AF

FB

Z

Manganese-silicate

Calcium-silicate

Zirconium-silicate

Rutile-silicate

Aluminate-rutile

Aluminate-basic

Aluminate-silicate

Aluminate-fluoride-basic

Fluoride-basic

Any other type

Tensile properties, two-run technique

Symbol

Parent material

Yield strength

Mpa min.

Welded joint

Tensile strength

MPa min.

2T

3T

4T

5T

275

355

420

500

370

470

520

600

Chemical composition of solid wire , %

Symbol

SZ

S1

S2

S3

S4

S1Si

S2Si

S2Si2

S3Si

S4Si

S1Mo

S2Mo

S3Mo

S4Mo

S2Ni1

S2Ni1.5

S2Ni2

S2Ni3

S2Ni1Mo

S3Ni1.5

S3Ni1Mo

S3Ni1.5Mo

C

Si

Any other agreed composition

0.05-0.15

0.15

0.07-0.15

0.15

0.07-0.15

0.15

0.07-0.15

0.15

0.07-0.15

0.15-0.40

0.07-0.15

0.15-0.40

0.07-0.15

0.40-0.60

0.07-0.15

0.15-0.40

0.07-0.15

0.15-0.40

0.05-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

0.07-0.15

0.05-0.25

Mn

0.35-0.60

0.80-1.30

1.30-1.75

1.75-2.25

0.35-0.60

0.80-1.30

0.80-1.30

1.30-1.85

1.85-2.25

0.35-0.60

0.80-1.30

1.30-1.75

1.75-2.25

0.80-1.30

0.80-1.30

0.80-1.30

0.80-1.30

0.80-1.30

1.30-1.70

1.30-1.80

1.20-1.80

Other elements: Cu max. 0.30, Al max. 0.03

P&S: SZ-S4Mo max. 0.025,S2Ni-S3Ni1.5Mo max 0.02

Cr: SZ-S2Ni3 max. 0.15, S2Ni1Mo-S3Ni1.5Mo max. 0.20

Single values are maximum

281

Ni

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0,15

0.15

0.80-1.20

1.20-1.80

1.80-2.40

2.80-3.70

0.80-1.20

1.20-1.80

0.80-1.20

1.20-1.80

Mo

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.45-0.65

0.45-0.65

0.45-0.65

0.45-0.65

0.15

0.15

0.15

0.15

0.45-0.65

0.15

0.45-0.65

0.30-0.50