Home »
ARC Welding Electrodes » Electrodes For High Tensile Steel
Electrodes For High Tensile Steel
Mono LH-7016
Characteristics
MONO LH-7016 is a basic coated, low hydrogen electrode, deposits high
quality welds having good strength and ductility at sub-zero temperature
suitable for welding mild steel, medium high tensile steels, low alloy
steels of unknown composition, welding of high restrained joints and for
non-machinable welds on Cast Iron.
Application
Typical application include heavy machinery such as Cranes, rollers,
tractors, earth moving equipments, ships railway coaches & cast iron
etc.
Composition
Chemical composition of all weld metal %
 |
| C |
Mn |
Si |
S |
P |
| 0.10Max. |
0.6 Min. |
0.55 Max. |
0.030 Max. |
0.030 Max. |
|
 |
Properties
Mechanical properties all weld metal.
 |
| Y.S N/mm² |
UTS N/ mm² |
Elongation % L = 5 d |
CVN Impact At 20 degree CJ |
Reduction Area % |
| 330 Min. |
510 Min. |
26.0 Min. |
47 Min. |
50 Min. |
|
 |
Mono LH-7018
Characteristics
MONO-LH-7018 is a low hydrogen iron power type electrodesproducing tough and
ductile radiographic quality weld metal having good notch toughness at
sub-zero temperature down to 30 dig.c. The electrodeshas a metal recovery of
about 115%.
Application
MONO-LH-7018 is ideally suited for welding of heavy structures and thick
plates subjected to dynamic loading and impact. Other typical applications
are Boilers, Vessels, Pressure, Bridges, penstocks Blast furnace steel work,
earth moving equipments atomic reactor shell and pipe work and for steel
designed for service of sub-zero temperature down to minus 30 dig.C.
Composition
Chemical composition of all weld metal %
 |
| C |
Mn |
Si |
S |
P |
| 0.10Max. |
0.6 Min. |
0.55 Max. |
0.030 Max. |
0.030 Max. |
|
 |
Properties
Mechanical properties all weld metal.
 |
| Y.S N/mm² |
UTS N/ mm² |
Elongation % L = 5 d |
CVN Impact At 30 degree CJ |
Reduction Area % |
| 350 Min. |
510 Min. |
24.0 Min. |
27 Min. |
45 Min. |
|
 |
Mono 18
Characteristics
MONO-18 is a low hydrogen iron powder type electrodes production touch and
ductile Radiographic quality Weld metal having good notch toughness at sub
zero temperature down to 30 dig. C. The electrodes has a metal recovery of
about 115%.
Application
MONO-18 is ideally suited for welding of heavy structures and thick plates
subjected to dynamic loading and impact. Other typical applications are
Boilers, Pressure, Vessels, Bridges, penstocks Blast furnace steel work,
earth moving equipments atomic reactor shell and pipe work and for steel
designed for service of sub-zero temperature down to minus 30 dig.C.
Composition
Chemical composition of all weld metal %
 |
| C |
Mn |
Si |
S |
P |
| 0.10Max. |
0.6 Min. |
0.55 Max. |
0.030 Max. |
0.030 Max. |
|
 |
Properties
Mechanical properties all weld metal.
 |
| Y.S N/mm² |
UTS N/ mm² |
Elongation % L = 5 d |
CVN Impact At 0 degree CJ |
Reduction Area % |
| 350 Min. |
510 Min. |
26.0 Min. |
47 . |
50 Min. |
|
 |
Mono LH-9018
Characteristics
MONO-LH-9018 is a heavy coated, hydrogen controlled iron powder type
electrodes for welding of medium-high tensile structural steels, heavy
sections and restrained joints in high tensile steels. The electrodes gives
a very easy slg removal, low spatters, radiographic quality welds and
deposition efficiency of above 115%.
Application
An ideal electrodes for the welding of components made of steel to IS:
8500-91 Gr. 540B, 570B, 590B, IS: 2002-92 Gr. 3: ISI 875-92 Class 3 A or
similar.
Composition
Chemical composition of all weld metal %
 |
| C |
Mn |
Si |
S |
P |
Mo |
| 0.10Max. |
1.25-1.75 |
0.80 Max. |
0.030 Max. |
0.030 Max. |
0.25-0.45 |
|
 |
Properties
Mechanical properties all weld metal.
 |
| Y.S N/mm² |
UTS N/ mm² |
Elongation % L = 5 d |
CVN Impact At 20 degree CJ |
Reduction Area % |
| 530 Min. |
630 Min. |
20.0 Min. |
27 Min. |
40 Min. |
|
 |
Electrodes For Low Temperature Services
Mono LH (SPL)
Characteristics
MONO LH (Spl) is an outstanding quality electrodes designed for most
stringent applications where high quality low hydrogen weld is must. Weld
produces by MONO LH (Spl) is of RADIOGRAPHIC Quality which is exceptionally
tough, ductile and fully resistant to hot and cold cracking and display a
remarkable impact strength at room temperature as well as sub-zero
temperature down to minus 50 deg. C.
Application
Typical applications include welding of carbon steel, low alloy structural
steel, steel sensitive to hydrogen embrittlement. Heavy and rigid
structures, pressure vessels and equipment subjected to severe stress and
requiring good toughness properties at sub-zero temperature down to minus 50
deg. C.
Composition
Chemical composition of all weld metal %
 |
| C |
Mn |
Si |
S |
P |
| 0.1 Max. |
0.8-1.6 Min. |
0.45 Max. |
0.030 Max. |
0.030 Max. |
|
 |
Properties
Mechanical properties all weld metal.
 |
| Y.S N/mm² |
UTS N/ mm² |
Elongation % L = 5 d |
CVN Impact At -46 degree CJ |
Reduction Area % |
| 360 Min. |
510 Min. |
28.0 Min. |
27 Min. |
45 Min. |
|
 |
Mono LH-G
Characteristics
MONO LH G is a low-hydrogen Iron powder type electrodes ......... efficiency
of above 110% specially designed for welding fine grained steel. The weld
metal is of a RADIOGRAPHIC quality and display high ductile and impact
strength at sub-zero temperature down to 50 deg. C.
Application
The electrodes is a ideal for welding heavy sections and highly restrained
joints. It is used in pipe lines, pressure vessels and heavy structural
particularly when low temperature toughness and fracture resistance are
important.
Composition
Chemical composition of all weld metal %
 |
| C |
Mn |
Si |
S |
P |
Ni |
| 0.10Max. |
1.20-1.70Max |
0.45 Max. |
0.030 Max. |
0.030 Max. |
0.45-0.80 |
|
 |
Properties
Mechanical properties all weld metal.
 |
| Y.S N/mm² |
UTS N/ mm² |
Elongation % L = 5 d |
CVN Impact At -50 degree CJ |
Reduction Area % |
| 390 Min. |
490 Min. |
22.0 Min. |
22 Min. |
47 |
|
 |
Mono LH-(Ni) SPL
Characteristics
MONO LH(Ni) SPL is a basic coated Iron Power type electrodes designed for
high tensile fine grained steels. The weld deposit which contain
approximately 0.7% Ni and 1.5% Mn is highly resistant to hot or cold
cracking even under dynamic loading, heavy impact and severe service
conditions with particular reference to low temperature service down to
minus 60 deg. C.
Application
Ideally suited for welding of high tensile fine grained steels for heavy
construction work subject to dynamic loading. Pressure vessels, tanks pen
stock and for welding steels for service temperature down to minus 60 deg.
C.
Composition
Chemical composition of all weld metal %
 |
| C |
Mn |
Si |
S |
P |
Ni |
Cu |
| 0.1 Max. |
1.0 Min |
0.80 Max. |
0.030 Max. |
0.030 Max. |
0.70 Min. |
0.40 Min. |
|
 |
Properties
Mechanical properties all weld metal.
 |
| Y.S N/mm² |
UTS N/ mm² |
Elongation % L = 5 d |
CVN Impact At -60 degree CJ |
Reduction Area % |
| 470 Min. |
550Min. |
20 Min. |
27 Min. |
45 Min |
|
 |
Mono LH-Ni
Characteristics
MONO LH-Ni is a heavy coated, hydrogen controlled iron powder type
electrodes specially designed for welding nickel alloy steels. The weld
deposit contains 2 to 2.75 percent nickel. The electrodes gives a very easy
slag removal, low spatters, radiographic quality welds and deposition
efficiency of above 115%.
Application
An ideal electrodes for the welding of 2.5% Ni steels. Suitable for joining
components made of steels to ASTM516 Gr. 70 or equivalent where low
temperature (-46 degree C) are required.
Composition
Chemical composition of all weld metal %
 |
| C |
Mn |
Si |
S |
P |
Ni |
| 0.10Max. |
1.20 Max. |
0.80 Max. |
0.30 |
0.030 Max. |
2.0-2.75 |
|
 |
Properties
Mechanical properties all weld metal.
 |
| Y.S N/mm² |
UTS N/ mm² |
Elongation % L = 5 d |
CVN Impact At -46 degree CJ |
Reduction Area % |
| 470 Min. |
550 Min. |
24 Min. |
27 Min. |
45 Min. |
|
 |