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LHT-318 N
LMA
Electrode for High Temperature Steel
Elect
rode
Identification:
Imprint
Unitor LHT-318 N / 8018-B2 Classifications
SFA/AWS A 5.5
EN 1599
E 8018-B2
E CrMo 1B 42 H5
Approvals
DNV
GL
LR
BV
ABS
H 10
–
–
1% Cr 0,5% Mo, H5
SR
PB
PC
Type of current
DC+/-
Welding positions
PA
Materials to be welded
Elevated temperature steel
DIN 17155 DIN 17200 NF A36-206 DIN 17210 NF A35-551 NF A35-552
Case hardening steel Q & T steel
3.01
PF
PE, PD
13CrMo44 25CrMo4 15CD2.05, 15C, D4.05 16MnCr5 18CD4, 16MC5, 20MC5 25CD4, 30CD4
Creep data: Test temperature °C
400
450
500
550
600
MPa 460 440 430
140
Yield strength RP0.2% Creep strength Rm /1000 MPa 300
110
Creep strength Rm /10.000 MPa 350 240
80
Creep resistance RP/1.0%/10.000 MPa 250
170
All weld metal composition
Typical mech. properties * of weld metal
(80) (50) (35)
C
Mn
Si
P
S
Cr
Mo
0.05 - 0.10
0.30 - 0.80
0.20 - 0.50
max. 0.015
max. 0.020
1.25 - 1.45
0.50 - 0.65
Tensile strength MPa
Yield strength MPa
620
530
Elongation Impact value % ISO-V (J)
20 At -20°C = 38
* Stress relived temp.: 700 °C, 1 hour
Welding data
Diameter mm.
Current range, A
2.5 3.2
70–105
95–150
Arc time **/ Deposition rate** Electrodes per electrode, sec.
Kg/h kg weld metal**
Fume class
60 65
0.8 1.1
73 49
3
3
* SDS available on request. ** 90% of max. amperage
Packaging data
Diameter mm.
Length mm.
Electrodes per box
Net weight, kg per box
Product No.
per box
Boxes per carton
2.5 3.2
350 350
75 48
1.7 1.7
095-699330 095-699348
6
6
Re-drying temperature: 350 °C (662 °F) for two hours.
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