MILD STEEL WELDING ELECTRODES

SALIENT FEATURES:

Quiet, soft and steady arc with easy strike and restrike.

Removal of cold slag is practically automatic.

The electrode provides excellent performance on A.C. as well as D.C. (+/-)

Weld metal transfer uniform with fine ripples and smooth shining bead.

Ideal electrode for all welding positions.

APPLICATIONS:

Ideally suited for welding mild steel, structural steels, steel furnitures, truck bodies, window frames
and grills, storage tanks, machineries, conctruction, auto parts, bridges, wagons, shiphulls, barges rail
coaches, building structures, vessels, agricultural implements and tanks etc.

PRECAUTIONS:

Store electrodes in dry place.

For best results re dry electrodes at 80o C for half an hour.

To get sound properties use short arc.

Parent metal should be free from rust, oil, grease and moisture to avoid cracking of weld.

Avoid moist or greasy handling of electrodes.

CURRENT CONDITION:

AC or DC(+/-)

A medium coated, rutile type electrode, for general purpose welding of structural steels, it is suitable for
all welding positions including verticle downwards. The electrode produces a smooth clean deposit with
very little spatter and the slag is easy to remove. The weld metal is soft, ductile and defect free, provide
sound mechanical properties.

WELD METAL COMPOSITION (%)

ELEMENT
RANGE
TYPICAL
VALUES

C
Max 0.1

Mn
0.35 - 0.60

Si
0.20 - 0.35

S
Max 0.035

P
Max 0.04

0.08

0.40

0.32

0.035

0.040

MECHANICAL PROPERTIES OF WELD METAL

PROPERTY

Ultimate Tensile
Strength N/mm2

Yield stress N/mm2

% Elongation on 5D

RANGE
TYPICAL VALUES

410-510
490

330-450
400

22-28
26

Impact strength
Charpy V- notch at
D 0C
47-100J
70J

WELD CURRENT AND PACKING DATA

SIZE (mm)(DXL)

5X450

4X450

3.15X450

3.15X350

2.5X350

CURRENT(Amps
)
PIECES PER
CARTON
PIECES PER

180-240

140-180

100-120

100-140

60-90

40

60

90

90

135

480

720

720

1080

1620

CASE

CHARACTERISTICS:
MIL 7018 is a basic heavy coated hydrogen controlled iron powder electrode
depositing Radiographic quality weld with medium penetration and least spatter,
electrodes for welding of mild steel having good tough report subzero temperature
down to 300C. It gives sound, crack-resistant welds on mild and low alloy steels, metal
recovery of electrodes 120% approx.

CLASSIFICATION:
AWS/SFA (5.1): E 7018

APPROVALS: CCS, ABS, LR

APPLICATION:
MIL 7018 is ideal for: Boilers, Pressure Vessels, Coaches, Penstocks, Blast Furnace,
Bridge, Atomic Reactor Shell, Earths moving equipments, Root runs in heavy and
restrained joints.

CHEMICAL PROPERTIES:
Carbon - 0.05 ? 0.95%
Manganese - 1.35 ? 1.65%
Silicon - 0.40 ? 0.70%
Sulphur - 0.03% Max.
Phosphors - 0.03% Max.

TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL:

Ultimate T. Strength - 540 ? 610 N/mm2
Yield Strength - 480 N/mm2
Elongation (L=5d) - 29%
Reduction in Area - 60 ? 75%
Impact value at 270C - 160 Joules
Impact value at 200C - 50 Joules

Impact value at 300C - 36 Joules

CURRENT CONDITION: AC/DC (+)

Note:
Before welding, it is necessary to clean the work piece and remove the impurities such
as oil, grease rust and moisture, bake the electrode at the temperature of about 350
degree centigrade for one hour. The welding must be carried out under short arc and is
suitable for narrow path.
When using DC, the electrode must be connected with positive polarity.
Related Products

WELDING ELECTRODES FOR HIGH TENSILE STEELS

S-7016.H

Description:
S-7016.H can be used for welding of high tensile steel, such as bridges, buildings,
shipbuilding, high pressure vessels and rolling stock. Soft stable arc.Good fluidity and
removability of slag. Smooth appearance. Good mechanical properties. No undercut
formation. Excellent crack resistance and X-ray performance.

Classification:
AWS

A5.1/ASME SFA5.1 E7016

EN

499 E 42 3 B 1 2

Mechanical properties:
Yield strength

490 N/mm2

Tensile strength

600 N/mm2

Elongation

30%

Impact value

80 J / -29C

S-7016.H

S-7016.LF

Description:
S-7016.LF is a low hydrogen type electrode of which fume generation is about
20~30%lower than conventional electrode. S-7016.LF is effective for the use in
insufficientventilation.X-ray performance and mechanical properties of all-weld metal
are good. Good crack resistance due to less hydrogen content.

Classification:
AWS

A5.1/ASME SFA5.1 E7016

EN

499 E 42 3 B 1 2

Mechanical properties:
Yield strength

505 N/mm2

Tensile strength

605 N/mm2

Elongation

31%

Impact value

75 J / -29C

S-7016.LF

S-7016.G

Description:
S-7016.G can be used for welding of high tensile steel of ships, buildings, bridges
andpressure vessels. It deposits weld metal of extremely good mechanical properties.
Its usability is good in all position welding and weld metal of good appearance can
beobtained assuredly.

Classification:
AWS

A5.1/ASME SFA5.1 E7016

EN

499 E 42 3 B 1 2

Mechanical properties:
Yield strength

560 N/mm2

Tensile strength

641 N/mm2

Elongation

30%

Impact value

68 J / -29C

S-7016.G

S-7018.G

Description:
S-7018.G is an iron powder low hydrogen type electrode of high efficiency used for
welding 490N/mm class high tensile steel.

Classification:
AWS

A5.1/ASME SFA5.1 E7018

EN

499 E 42 3 B 3 2

Mechanical properties:
Yield strength

504 N/mm2

Tensile strength

572 N/mm2

Elongation

30%

Impact value

111 J / -29C

Products Catalog: aws: E 7016

(Product Photo)

Origin:

Switzerland

Price:

Negotiable

Payment
Method:

Telegraphic Transfer (T/T), Cashier Order, Bank

Cheque, L/C, Western Union

Quantity:

ready stock diameter 2,6 / 3,2 / 4,0 / 5,0

Pack. &
Delivery:

5kg/pack, 20 kg/box

Specification Oerlikon SPEZIAL welding electrodes AWS SFA

:
5.1: E 7016
Application & Properties:
Multi-purpose electrode suitable for structural
steelwork, workshop, and maintenance
welding. Smooth and clean welds, blending
into base metal without undercuts. Excellent
gap bridging properties. The covering of this
electrode produces a stable, concentrated and
directed arc, thus being ideally suited for root
pass and positional welding. Welds are X-ray
quality.
Standard international:
AWS SFA 5.1 : E 7016
DIN 1913 : E 51 43 B (R) 10
EN 499 : E 38 2 B 12 H10
.
Yield strength : > 380 N/mm2
Tensile Strength : 470 - 600 N/mm2
Elongation : 20%
Impact charpy +20oC : 150 J
-20oC : 80 J
chemical analysis (%):
C:0,06 Mn:0,9 Si:0,7

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Products Catalog: aws: E 7016

(Product Photo)

Origin:

Switzerland

Price:

Negotiable

Payment
Method:

Telegraphic Transfer (T/T), Cashier Order,

Bank Cheque, L/C, Western Union

Quantity:

ready stock diameter 2,6 / 3,2 / 4,0 / 5,0

Pack. &
Delivery:

5kg/pack, 20kg/box

Specification Lion TL 36 welding electrode AWS SFA 5.1: E

:
7016 is a low hydrogent type electrode for
welding high tensile steel. The welding can be
done with stable arc, less spatters, good slag
removeability, good slag covering and good Xray soundness. It's suitable for low alloy
steels, medium carbon steels, heavy steel
plates, cast steels and steels of poor
weldability.
Standar Internasional:
AWS SFA 5.1: E 7016
JIZ Z 3212 : D 5016
DIN 1913 : E 51 44 B10
EN 499 : E 42 2 B12 H10
.
Mechanical strength:
Yield Strenght : 490N/mm2
Tensile Strenght : 560 N/mm2
Elongation : 31%
Impact Charpy (-20C) : 69 J
.
Chemical composition:
C:0,08
P:0,012
Mn:1,00
S:0,008
Si:0,53

Products -> Chosun

CHOSUN WELDING CO., LTD. is currently manufacturing more than 150 types of welding
consumables for a varity of common and special applications.
Our electrodes and wire have been successfully accepted throughout the world.
We now bring our years of skilled experience and our quality line of ISO 9002 approved welding
consumables to you.
Our electrodes and wire have been successfully accepted throughout the world.
We now bring our years of skilled experience and our quality line of ISO 9002 approved
welding consumables to you.
Chosun experienced research and development team constantly strives to improve
new product and innovative products to fulfill the rapidly changing demands of
welding technology.
Chosun meet the highest standards in filler metals world-wide.
Coated arc welding electrodes.
Gas shielded arc welding wire
Submerged arc welding wire
Inert gas shielded arc welding wire
Carbon electrodes
COATED ARC WELDING ELECTRODES
For Mild Steel
CL - 100

AWS E 6010

Cellulose coated electrode for welding of

buildings, storage tanks, and general structures.

CL - 1001

AWS E 6011

For welding of pipes, building tanks, shipbuilding

and everal structures.

CR - 13

AWS E 6013

High titania coated electrode for welding of light

structural steel Usability is excellent in al
position welding.

CS - 200

AWS E 6019

Ilmenite coated electrode for welding of heavy-

duty structures, ship buildin.

CR - 24

AWS E 7024

Iron powder high titania coated electrode for

efficient fillet welding of shipbuilding, bridge,
and general structures.

For High Tensile Steel

LC _ 300

AWS E 7016

Low hydrogen coated electrode for welding of

70000 psi(50kgf/mm2) class high tensile
strength steel FOR SHIPS, ,BUILDINGS, AND
PRESSURE VESSELS.

LC - 318

AWS E 7018

Iron powder low hydrogen coated electrode for

efficient welding of (50kgf/mm2) class high
tensile strength steel.

LC - 328

AWS E 7028

Iron powder low hydrogen coated electrode for

efficient fillet welding of (50kgf/mm2) class high
tensile strength steel.

LC - 600

AWS E 11016G

Extra low hydrogen coated electrode for welding

of 90000 psi (60kgf/mm2) class high tensile
strength steel for pressure vessels, penstocks,
etc

LC - 800

AWS E 11016 G

Low hydrogen coated electrode for

110000psi(80kgf/mm2) class high tensile
strength steel.
Notch toughness, x-ray soundness, and crack
resistibility is excellent.

For Weather Proof Steel

LCW - 318

AWS E 7018W

Iron powder low hydrogen coated electrode for

welding of 7 0000psi(50kgf/mm2) class high
tensile strength weather proof steel.

LCW - 418

AWS E 8018W

Iron powder low hydrogen coated electrode for

welding of 80000 psi (55kgf/mm2) class high
tensile strength weather proof steel.

For Weather Proof Steel

CM - 76

AWS E 7016A1

Low hydrogen coated electrode for welding of

0.5% Mo steel for high temperature, high
pressure boilers, chemical and oil refining
industries.

CM - 96

AWS E 8016B2

Low hydrogen coated electrode for electrode for

welding of 5% Cr-0.5% Mo steel for Super heater tubes, boiler steam pipes for electric
power plant, etc.
CM - 106

AWS E 9016B3

Low hydrogen coated electrode for electrode for

welding of 5% Cr-0.5% Mo steel such as
ASTMA387 Gr5 used in chemical industries, and
electric power plants.

CM - 90

AWS E 505-16

Medium grade coated electrode for welding of

9% Cr-1% Mo steel used for high temperature,
high pressure boiler super-heater tubes and oil
refinery tubes.

For Weather Proof Steel

LC - 300NS

AWS E 7016G

Extra low hydrogen coated electrode for welding

of aluminum-killed steel for low-temperature
steel for off-shore structure, LPG tankers and
storage tanks.

LPA - 100

AWS E 8016G

Extra low hydrogen coated electrode for welding

of aluminum-killed steel for low-temperature
steel for LPG tankers and LPG storage tanks.

LPA - 118

AWS E 8018 C3

Iron powder low hydrogen coated electrode for

welding of low-temperature steel and 1 & Ni
steel for ASTM A588 and A242 steel.

LPA - 200

AWS E 8016 C1

Extra low hydrogen coated electrode for welding

of aluminum-killed steel for low-temperature
and 2 NIl steel

For Weather Proof Steel

CH - 80K

JIS DF3C - 700B

Low hydrogen coated electrode for heavy soil

abrasion.(HV:700)
Hard surfacing of cutter knives, shovel teeth and
casings.

CH - 90

JIS DFMA - 200B

Low hydrogen coated electrode for welding of

13% Mn steel. (HV 220)
Hard surfacing of cutter hammers, rail crossings
and crusher jaws.

CH - 200

JIS DF2A - 250 R

Titania coated electrode for light intermetalic

abrasion. (HV : 250)
Hard surfacing of crane shafts rollers and track

CH - 350R

JIS DF2A - 350 R

Titania coated electrode for light intermetalic

abrasion. (HV : 350)

Hard surfacing of wheels, shafts, and gears.

CST - 6

JIS D CoCr A

Lime Titania Coated stellite electrode for

corrosion and high temperature abrasion, (HV
420)
Hard surfacing of valve seats, crushers, screw,
etc.,

For Stainless Steel

NC - 308 (L,EL)

AWS E 308 (L) 16

Lima titania coated electrode for welding of 18%

Cr-8% Ni Stainless steel.
AISI (SUS) 301, 302, 304, etc

NC - 309 (L,EL)

AWS E 309 (L) 16

Lima titania coated electrode for welding of SUS

309, 309S and dissimilar metals such as
stainless steel to mild steel or low alloy steel

NC - 309 Mo

AWS E 309Mo-16

Lima titania coated electrode for welding of 22%

Cr - 20% Ni stainless steel, dissimilar metals
such as 18% Cr-12% Ni - 2% Mo stainless steel
AISI (SUS) 316 (L)

NC - 310

AWS E 310 - 16

Lima titania coated electrode for welding of 22%

Cr - 20% Ni stainless steel, dissimilar metals
such as 18% Cr-12% Ni - 2% Mo stainless steel
AISI (SUS) 316 (L)

NC - 312

AWS E 312 - 16

Lima titania coated electrode for welding of 29%

Cr - 9% Ni cast steel, dissimilar metals such as
stainless steel to carbon steel or low alloy steel
and austenitic Mn stell to low alloy steel.

NC - 316 (L,EL)

AWS E 316(I) - 16

Welding of 18% Cr - 12% Mo stainless steel

AISI(SUS) 316 (L)

NC 410

AWS E 410 - 16

Welding of AISI (SUS) 403, 410 stainless steel

and AISI () SUS 420 JIJ@ welding of hard
surfacing.

NC 430

AWS E 430 - 16

Welding of 17% Cr stainless steel such as AISI

(SIS) 430 (PWHT 770 C X 2H )

For Stainless Steel

Ci - 400

AWS E NIFe -Ci

For welding of nodular cast iron and repairing

and joining of various cast iron products,
Suitable for underlying of hard surfacing.

CI - 500

AWS E Ni - CI

For repairing and joining various cast iron

products. Hardening of the weld metal and

fusion zone in cast iron is minimal.
Top GAS SHIELDED ARC WELDING

Solid Cored Wire for Mild Steel and High Tensile Steel
MC - 150

AWS ER 70S - G

For welding of mild steel and 70000psi (50kgf/mm2)

class high tensilde steel. Arc stability is good at high
efficient welding.

MC - 50T

AWS ER 70S -6

For welding of mild steel and 70000psi (50kgf/mm2)

class high tensilde steel. Arc stability is good at high
efficient welding.

CS - PACK

CS - PACK is a pay off pack for continuous wire for

Gas Shileded Arc welding. The wire is reverse wound
welding.

Flux Cored Wire for Mild Steel and High Tensile Steel
CSF - 71 T

AWS ER 71 T - 1

For welding of mild steel and 7000 psi )50kgf/mm2)

class high tensile steel.
All position welding of structures such as ships,
bridges, storage vessels and buildings.

Top SUBMERGED ARC WELDING

For Mild Steel and High Tensile Steel
UC - 36

AWS EH 14

For welding of mild steel and 70000 psi (50kgf/mm2)

class high tensile steel.

UC - 43

AWS EL 8

For welding of mild steel and 70000 psi (50kgf/mm2)

class high tensile steel.

For Stainless Steel

UC - 308 L

AWS ER 308 - L

Extra low carbon for welding of 18% Cr-8% Ni

stainless steel. (SUS 304, etc)

UC - 309 L

AWS ER 309 - L

Extra low carbon for welding of 12% Cr-12% Ni

stainless steel. (SUS 309S) and welding stainless
steel to mild steel or low alloy steel.

UC - 316 L

AWS ER 316 - L

UC - 309 L

AWS ER 309 - L

Extra low carbon for welding of 18% Ni-Nb or Ti

stainless steel. (SUS 347, SUS 321, etc.)
For welding of 18% Cr - 8% Ni or Ti Stainless steel.
(SUS 347, SUS 321, etc.)

Top INERT GAS SHIELDED ARC WELDING WIRE

TIG Wires for High Tensile
TGC - 50

AWS ER 70S - G

For welding of mild stee, 70000psi

(50kgf/mm2) class high tensile steel and
aluminum - killed steel for low temperature
use.

TGC - 50 T

AWS ER 70S - 4

For welding of mild stee, 7000psi

(50kgf/mm2) class high tensile steel and
aluminum - killed steel for low temperature
use. It is suitable to root pass welding.

TGS - 50S

AWS ER 70S - 6

For welding of mild stee, 70000psi

(50kgf/mm2) class high tensile steel and
aluminum - killed steel for low temperature
use.

TIG Wires for High Tensile

TGC - 380, LSi

AWS ER 308L, LSi

Suitable for TIG (MIG) welding of 18% Cr-8&

Ni, 3046 stainless steel.

AWS ER 309L, LSi

Suitable for TIG (MIG) welding USU309 and

dissimilar metals such as stainless steel to
carbon steel

AWS ER 316, LSi

Suitable for TIG (MIG) welding of 18%Cr 12% Ni - 2% Mo, 316LSi stainless steel.

AWS ER 347

For welding of 18% Ni - Nb or Ti stainless

steel, (AISI(SUS)347)

MGC - 308L, LSi

TGC - 309, LSi
MGC - 309L, LSi
TGC - 316, LSi
MGC - 316L, LSi
TGC - 347
MGC - 347

Technical Report

(AWS A5.18 ER70S-G)

TGS-50

TGS-50 is a versatile TIG welding solid wire with

excellent usability and mechanical properties used
for both mild steel and 490N/mm2 high tensile steel.
Users will also find the mechanical properties
approved for shipping registers to be reliable.

Basic Characteristics of TGS-50

TGS-50 is a solid wire designed specifically for TIG
welding. It is classified as AWS A5.18 ER70S-G. As
seen in the classification the minimum tensile strength
of the deposited metal is 70 kilo-pound per square inch
or 490N/mm2. TGS-50 uses the DC-EN (DC Electrode
Negative) polarity and pure argon gas for shielding.

What Qualities of TGS-50 Do Engineers

and Welders Evaluate Excellent?
(1) The use of TGS-50 provides less slag generation
and better fusion in root pass welding of pipes in all
positions, which results in very smooth penetration
beads with a regular weld ripple. This usability is
advantageous in welding process piping where stricter
X-ray soundness is required - .
Fig. 1 - TGS-50 is very advantageous in the root pass
welding of the process piping in all positions due
to unsurpassed usability.
Fig. 2 - Typical tensile strength of the TGS-50 deposited
metal as a function of PWHT
Fig. 3 - The Charpy impact test results of the TGS-50
deposited metal

(3) The use of TGS-50 provides a quite high level of

absorbed energy in Charpy impact tests over a range of
testing temperatures - . This is why TGS-50 is
also used for low-temperature applications at down to
minus 40.

(2) The use of TGS-50 assures excellent tensile

strength in both as-weld and PWHT (postweld heat
treatment) conditions. The TGS-50 weld metal keeps its
tensile strength in a high level even after a long-hour

PWHT - . This is why TGS-50 is suitable for

multi-pass welding of pressure components with thick
sections by using a mechanized welding process.