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.