Guide to AWS A5.5: Low alloy steel electrodes for SMAW

Covered electrode

for manual metal-arc

welding.

E

AWS

Welding

Classification Position

Designates welding

position, coating type

and current type.

80

16

-D3

E xx10

E xx11

Exx13

E xx15

Exx16

E xx18

E xx20

E xx27

1

1

1

1

1

1

2

2

Type of coating

Type of Current

AC

Cellulosic

Cellulosic

Rutile

Basic

Basic

Basic, iron powder

Acid

Acid, high recovery

DC

–

x

x

–

x

x

x

x

+pol

+pol

+/– pol

+pol

+pol

+pol

c) +/– pol

c) +/– pol

c) Kälsvets liggande endast -pol

Code

1

2

Designates min. tensile strength in ksi.

(1 ksi =1000 psi ~6.9 MPa)

Designates chemical

composition of weld metal.

AWS

Classification

E 70xx-x

E 70xx-BL2

E 70xx-P1

E 70xx-W1

E 80xx-x

E 80xx-C3

E 90xx-x

E 90xx-M

E 100xx-x

E 100xx-M

E 110xx-x

E 110xx-M

E 120xx-x

E 120xx-M

E 120xx-M1

Suffix

-A1

-B1

-B2

-B2L*

-B3

-B3L*

-B4L*

-B5

-C1

-C1L*

-C2

-C2L*

-C3

-NM

-D1

-D2

-D3

-G/-M/-W

Tensile Strength

min. MPa

Impact Energy

–30

–30

–30

–30

–30

–30

–30

–30

27

27

27

–40

–40

–40

27

27

27

27

27

27

27

27

27

27

27

27

–50

–50

–50

–50

–50

–50

–50

–50

–50

–50

–50

–50

E 12018-M1

E 7018-W1

E 8018-W2

E 8016-C1

E 8018-C1

67

27

27

27

27

–20

–20

–20

–60

–60

E 7015-C1L

E 7016-C1L

E 7018-C1L

E 8016-C2

E 8018-C2

27

27

27

27

27

–75

–75

–75

–75

–75

E 7015-C2L

E 7016-C2L

E 7018-C2L

Nominal values, wt%

°C

27

27

27

27

27

27

27

27

E 7018-C3L

E 8016-C4/D3

E 8018-C4/D3

E 9015-D1

E 9018-D1/D3

E 10015-D2

E 10016-D2

E 10018-D2

E 9018-M

E 10018-M

E 11018-M

E 12018-M

C / Mo

~0.1/ 0.5

Cr / Mo

~0.5/ 0.5

Cr / Mo

~1.3/ 0.5

Cr / Mo

~1.3/ 0.5

Cr / Mo

~2.3/ 1.0

Cr / Mo

~2.3/ 1.0

Cr / Mo

~2.0/ 0.5

Cr / Mo / V

~0.5 / 1.0 / 0.05

Ni

~2.5

Ni

~2.

5

Ni

~3.5

Ni

~3.

5

Ni / Cr / Mo / V

~1.0 / 0.1 / 0.3 / 0.05

Ni / Mo

~1.0/ 0.5

Mn / Mo

~1.5/ 0.3

Mn / Mo

~1.8/ 0.3

Mn / Mo

~1.5/ 0.5

All other low alloy steel electrodes

min. J

E 8018-NM1

E 8016-C3

E 8018-C3

390

390

415

415

460

470-550

530

540-620

600

610-690

670

680-760

740

745-830

745-830

Alloying system

AWS

Classification

E 7010-P1

E 8010-P1

E 8018-P2

E 8045-P2

E 9010-P1

E 9018-P2

E 9045-P2

E 10045-P2

Yield Strength

min. Mpa

490

520

490

490

550

550

620

620

690

690

760

760

830

830

830

Welding position

All positions except vertical-down

Flat and H-V fillets

27

27

27

–100

–100

–100

E 9015-C5L

EXXXX-A1/BX/BXL

E(X)X XX-G

* C max. 0.05%

255

270

27

Not spec.

Not spec.

–115

Not spec.

Not spec.