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Welding of mild steels KT-421

OriginVietnam

Description : KT 421 is a titania type covered electrode for welding all positions

Shop info

Supplier : Kim Tin group
  • No; 551, Nguyen Van Cu Street - Gia Thuy Ward - Long Bien District - Hanoi
Kim Tin welding material

KT- 421

LOW CARBON WELDING ELECTRODE

TCVN 3223–2000 E431R

TCVN 6259–6: MW1

 AWS E6013/ JIS D4313

1. Characterics on Usage:        
  • KT 421 is a titania type covered electrode for welding all positions.

  • KT-421 is a low carbon welding electrode suitable for Carbon steel and low carbon steel such as civil and industrial structure, machinery..

  • Weld bead is smooth, shinny, easy-slag-removable, clean-slag-detecting, it’s few smoke and spatter; the quatity of weld’s joint is unchanged when using lower current,

  • Striking-arc is good, the time of stopping for re-striking arc is less than 60 seconds.

2. Grade of welding consumables : MW1/ KMW1.

3. Typical chemical composition of (deposited) all-weld-metal (%):

 

C

Mn

Si

P

S

0.10 max

0.35 ~0.45

0.30 ~ 0.35

0.030 max

0.030 max

 

4. Typical mechanical properties of all-weld-metal:

Tensile Strength 
(MPa)


Yield Strength 
(MPa)

Elongation
(%)

Impact Value 
0oC ( J )

430min

345min

24min

50min

5. Size available, recommended currents (AC&DC):

Size ( mm )

Æ2.5

Æ3.2

Æ4.0

Æ5.0

Length  ( mm )

300

350

400

400

Welding Current Range

(Ampe)

50 – 90

90 – 140

140 – 190

180 – 240

V & g

50 – 80

80 – 130

120 – 180

160 – 210

6. Usage introduction:

  • Well preparation for safety before welding. Power stable.
  • With damp welding electrode, it will be smoky, splashy and unstably. Re-dry at 100-150oC 40-60 mins before using.
  • Wash all of dirty such as: oil, slag on welding material.
  • Ensure the root rap and bevel angel according to standards in order to get the completed fusion.
  • Chose the suitable welding current as user manual for a complete fusion, good running 

Kim Tin Group established on January 29, 2000, operating in the field of production of welding rods, welding wire, non-ferrous metals, steel nails, Ligature, tie, machinery, MDF board, Logictis and mining service.

Kim Tin offers the most effective solution for the industries: ship-repair industry, shipbuilding industry, construction industry of steel structures, automobiles, motorcycles, industry of manufacturing, processing wood and furniture ...                          

Kim Tin currently has presence in all 03 regions of North - Central - South of the country with it's staff of nearly 2,000 people for over 3500 customers including agents, direct customers and products exported to many countries around the world.


The products of Kim Tin certified by world's reputable registry organizations about the quality and environmental friendliness, consumer health: BVQI, NK, DNV, ABS, CARB–P2…

We commit to constantly focus on research, improve technology and services in order to find optimal solutions to serve existing customers effectively, kindly and environmentally friendly in the future.


Important events in establishment and development process 
 

The important events in the process of formation and development of the Company as follows:

2000 – 2005:

On January 292000 Kim Tin Co., Ltd established. 

Kim Tin Joint Stock Company and Kim Tin Welding Materials Factory with initial capacity of 20,000 tons/year established in Ho Chi Minh City.

To establish Kim Tin Da Nang Joint Stock Company.

To construct Head Office at No.69, Nguyen Thi Street, Ward 13, District 5, Ho Chi Minh City.

2006 – 2010: 

Kim Tin Hanoi Joint Stock Company established.

Kim Tin Welding Materials Factory constructed in Hung Yen.

Kim Tin MDF Joint Stock Company established in Binh Phuoc.

Kim Tin MDF Factory constructed and commenced in Binh Phuoc.

TIMBEE artificial boards with brand of Kim Tin marketed.

Tan Tao depot put into operation

Kim Tin Quang Tri Joint Stock Company established.

Kim Tin Go Xanh Joint Stock Company established.

2011 – 2015: 

Welding Materials Factory put into operation in Gio Linh Industrial Zone - Quang Tri Province.

The product of NIKKO nails marketed.

It achieved the title of Top 500 private enterprises and Top 500 largest enterprises in Vietnam.

The products of Robot welding wire and Tig welding rod marketed.

Kim Tin Go Xanh Joint Stock Company accounted for 85% of Campaign medals in the US market.

Licensed for mining in Quang Binh.

Company has diversified the markets and produced OEM for many worldwide famous brands in the industry of Welding Materials.

Logistics nPL Joint Stock Company established.



Vision                
 “Sustainable Development  – Aiming of the future”


Mission

  1. Conquer the belief and satisfaction of customers.
   2. Keep and promote Kim Tin’s pride.
   3. Balance benefits of concerned parties.

Core values

1. Straightforward

Probity and honest in behaviors and transactions.

2. Respectful

Respectful of yourself and your coworkers; respectful of the Group and its partners; cooperation in sincere respect.

3. Fair

Fair for employees, customers, suppliers and other related parties.

4. Compliant

Compliant with the Law and Behavior Code as well as rules, policies and regulations of the Group.

5. Ethical

Respect all given standards and conduct them ethically.

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