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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. |
|
 |