Lincoln Conarc 49

Also fits the M designation for military requirements

Ceweld product
Type
Basic 7018-1 extra low hydrogen Stick electrode for SMAW stick welding.( E 42 4 B Type )
classification
AWS
A 5.1: E 7018-1 H4R
EN ISO
2560-A: E 42 4 B 32 H5
Applications

CEWELD® E 7018-1 was developed for high-quality welded joints with excellent strength and toughness properties. High strength steel constructions up to 420 MPa yield strength at -40°C applications, offshore platforms, pipe welding, shipbuilding, platforms, drills, repair welding, buffer layers on high carbon steels etc. Also suitable for welding steels with low purity and high carbon content.

Type
Basic 7018-1 extra low hydrogen Stick electrode for SMAW stick welding.( E 42 4 B Type )
Applications

CEWELD® E 7018-1 was developed for high-quality welded joints with excellent strength and toughness properties. High strength steel constructions up to 420 MPa yield strength at -40°C applications, offshore platforms, pipe welding, shipbuilding, platforms, drills, repair welding, buffer layers on high carbon steels etc. Also suitable for welding steels with low purity and high carbon content.

Properties

CEWELD® E 7018-1 is a low hydrogen electrode for highly stressed joints and offers remarkable weldability and high mechanical properties for steel and cast steel up to 610 MPa tensile strength and fine grain steels with increased yield strength up to 420 MPa. It is particularly suitable for welding on AC and DC+. CEWELD® E 7018-1 is suitable for steels with up to 0.6% carbon and has an extremely low hydrogen content. HD < 3 ml/100gr weld metal.
CEWELD® E 7018-1 fulfills the highest requirements for moisture pickup and complies with both H4R and M designation according AWS A 5.1

Classification
AWS
A 5.1: E 7018-1 H4R
EN ISO
2560-A: E 42 4 B 32 H5
F-nr
4
FM
1
Suitable for

Rp< 420 MPa (60ksi) ISO 15608: 1.1 ReH < 275 MPa, 1.2 275 < ReH < 360 MPa , (1.3 ReH > 360 MPa < 420 MPa)

1.0345, 1.0345, 1.0348, 1.0352, 1.0418, 1.0420, 1.0425, 1.0425, 1.0425,1.0451, 1.0452, 1.0453, 1.0457, 1.0459, 1.0460, 1.0460, 1.0461, 1.0486, 1.0490, 1.0491, 1.0619, 1.1100, 1.0409, 1.0421, 1.0426, 1.0429, 1.0430, 1.0436, 1.0473, 1.0481, 1.0482, 1.0484, 1.0505, 1.0545, 1.0546, 1.0562, 1.0566, 1.0570, 1.0578, 1.0581, 1.0582, 1.8902, 1.8912, 1.8932

10Ni14, 12Ni14, 13MnNi6-3, 15NiMn6,

S235JR-S355JR, S235JO-S355JO, S450JO, S235J2-S355J2, S275N-S460N, S275M-S460M, P235GH-P355GH, P275NL1-P460NL1, P215NL, P265NL, P355N, P285NH-P460NH, P195TR1-P265TR1, P195TR2-P265TR2, P195GH-P265GH, L245NB-L415NB, L450QB, L245MB-L450MB, GE200-GE240, 

A, B, D, E, A 32-E 36

ASTM A 106 Gr. A, B, C; A 181 Gr. 60, 70; A 283 Gr. A, C; A 285 Gr. A, B, C; A 350 Gr. LF1; A 414 Gr. A, B, C, D, E, F, G; A 501 Gr. B; A 513 Gr. 1018; A 516 Gr. 55, 60, 65, 70; A 573 Gr. 58, 65, 70; A 588 Gr. A, B; A 633 Gr. C, E; A 662 Gr. B; A 711 Gr. 1013; A 841 Gr. A; API 5 L Gr. B, X42, X52, X56, X60,

Domex 315-420MC,MC Plus, ML 

Approvals
TÜV: 12532.00, CE, DNV
Welding positions
PA
PB
PC
PF
PE
Redrying
350°C / 2 hr
Note title
Current type:
AC, DC+
Analysis
C Si Mn P S Cr Ni Mo V Cu Al Nb
0.06 0.3 1.3 0.025 0.012 0.02 0.01 0.002 0.009
Mechanical Properties
Heat
Treatment
RP0,2
(MPa)
Rm
(MPa)
A5
(%)
Impact Energy (J) ISO-V Hardness
-40°C -50°C
As Welded 450 560 26 100 80 HRc