2021202020192018 – 20172016 –  2015 –  20142013201220112010200920082007200620052004200320022001200019991998 – Special Edition


2021

Kobelco Welding Today Vol.24 No.1 2021

Preface
New 2021 Year’s greeting from the Head of the Welding Business

Products Spotlight
New line-up in the ARCMAN™ welding robot series

Technical Highlight
The new SAW FAMILIARC™ US-29HK /TRUSTARC™ PF-H55LT-N, for Offshore Wind Power Generators

Bulletin
The Welding Business’s 115th International QC-Circle Conference

2020

Kobelco Welding Today Vol.23 No.2 2020

Technical Highlight
FAMILIARC™ MIX-1TR: the solid wire for GMAW to improve electrodeposition coating property

Products Spotlight
FAMILIARC™ OW-S50P (E71T-8-H16): Self-shielded flux cored wire for overseas markets

Bulletin
KOBELCO technical seminar in Saudi Arabia in 2020
Video courses on fundamentals of welding uploaded to YouTube and KOBELCO’s Global Website

Kobelco Welding Today Vol.23 No.1 2020

Products Spotlight
ARCMAN™ A40: The new robot for overhead welding systems

Technical Highlight
A new function for the ARCMAN™ robotic welding system: root gap detection by laser sensor

Bulletin
Your best partner KOBELCO brings Total Welding Solutions to FABTECH 2019

 

2019

Kobelco Welding Today Vol.22 No.3 2019

Products Spotlight
PREMIARC™ DW-N609SV: Ni-based alloy welding consumable for fuel tanks on LNG-powered ships and ship exhaust scrubbers

Preface
KOBELCO’s spirit for service, contribution, cooperation and hospitality

Technical Highlight
Technology to prevent end cracking in one-side submerged arc welding

Bulletin
A great KOBELCO event combining the ASEAN Shin-Yo-Kai meeting with the celebration of KWAP’s 40th anniversary
Beijing Essen Welding & Cutting Fair 2019, focused on robotic welding and IoT related technology
KOBELCO Global Website is smartphone friendly now

Kobelco Welding Today Vol.22 No.2 2019

Products Spotlight
PREMIARC™ MX-A430M / PREMIARC™ MX-T430Nb / Ferritic stainless steel welding consumables for automotive exhaust systems

Preface
Quality management is in progress in the Welding Business as well as KOBE STEEL

Technical Highlight
Solid wires for thin steel sheets: TRUSTARC™ MG-S120T for ultra-high tensile strength and, FAMILIARC™ MG-1T(F) for wire feeding control

Bulletin
Chinese Shin-Yo-Kai: KOBE STEEL’ s welding distribution network in China
The Welding Business holds its 114th QC circle conference

Kobelco Welding Today Vol.22 No.1 2019

Products Spotlight
SG-2Z-CE / Equipment for the SEGARC™ process in EU Highly efficient electro-gas arc welding process

Preface
New Year’ s greeting from the Head of the Welding Business

Technical Highlight
Flux cored wires for heat resistant steels that conform to AWS specications

Bulletin
10th year anniversary of KOBE WELDING OF QINGDAO, China KWAI at FABTECH 2018: KOBELCO-Your Best Partner on display

2018

Kobelco Welding Today Vol.21 No.3 2018

Products Spotlight
FAMILIARC™ MG-1T(F) controls wire feeding in high speed welding of thin steel plates

Preface
KOBELCO’s pioneer and leader of overseas business: TKW in Thailand

Technical Highlight
“1Z Series” welding consumables for galvanized steel sheets

Bulletin
TKW’s 50th and KMWT’s 30th anniversaries in Thailand

Kobelco Welding Today Vol.21 No.2 2018

Preface
Inaugural address by Akira Yamamoto, new Head of the Welding Business!
Welding automation with ISHIMATSU, the portable robot, and PLM

Technical Highlight
B91 Series welding consumables for Grade 91 Steels

Products Spotlight
PF-N5/US-609S for SAW on 9%Ni steels: Excellent solution in horizontal and flat positions

Bulletin
“KOBELCO-Your Best Partner” highlighted at JIWS 2018

Kobelco Welding Today Vol.21 No.1 2018

Products Spotlight
PREMIARC™ NI-C6J for 9%Ni steel: Excellent porosity and hot crack resistance.

Preface
Year 2018: Enhancing Marketing Capabilities and Facing New Challenges!

Technical Highlight
Hybrid Tandem MAG Welding Process: An effective porosity-reduction method for welding primer-coated steel plates.

Bulletin
– With the new slogan “Together We Are Strong,” INTIWI celebrated its 40th anniversary.
– Welcoming visitors with “Say Hi to the Original!” at the 2017 Schweissen & Schneiden Düsseldorf.
– KOBELCO participates at FABTECH 2017, under the slogan “Your Best Partner KOBELCO”.

2017

Kobelco Welding Today Vol.20 No.3 2017

Special Message
Head of the Welding Business reflects upon the publication of KWT’s 20th anniversary special issue

Feature Article
THE KOBELCO ARC over the Last Decade

Feature Article (System)
THE KOBELCO ARC over the Last Decade: Welding systems and equipment

Kobelco Welding Today Vol.20 No.2 2017

Bulletin
Welding Business to make organizational changes

Preface
Another year of progress in welding automation

Products Spotlight
ARCMAN™ Robotic Welding System for Hull Assembly in Shipbuilding

Bulletin
– FABTECH2016 in Las Vegas: A special exhibition for KOBELCO
– KWE’s social and educational activities
– Metaltech Malaysia 2016

Kobelco Welding Today Vol.20 No.1 2017

Bulletin
Round Robin Test Reports:Analysis of trace elements in Cr-Mo-V steel weld metal at IIW/C-II/SC-E

Preface
Three“M”s:Marketing, Monodzukuri and Manpower

Products Spotlight
TRUSTARC™ DW-A62LSR(A5.29 E91T1-GM)improves notch toughness of HSLA weld metal after PWHT

Bulletin
The 7th India Essen 2016 in Mumbai
WELDEX 2016: Welding Exhibition in Moscow

2016


Kobelco Welding Today Vol.19 No.3 2016

New Business
ARCMAN™ robotic welding system business in North America

Preface
Focus on welding system business and human resource development

Technical Highlight
The new “CB type” controller for the ARCMAN™ robotic welding system

Bulletin
– KOBELCO Technical Seminar in Riyadh, Saudi Arabia
– The 2016 Beijing Essen Fair
– Metaltech Malaysia 2016

Kobelco Welding Today Vol.19 No.2 2016

Bulletin
Round Robin Test:Analysis of trace components in 2.25Cr-1Mo steel weld metal IIW/C-II/SC-E

Technical Highlight
Recent developments of AWS specifications

Bulletin
– AWF meeting in Osaka, Japan
– 2016 Japan International Welding Show, Osaka
– QC circle assembly in the Welding Business Group

Kobelco Welding Today Vol.19 No.1 2016

Glossary
What is PWHT?

Technical Highlight
Welding duplex stainless steels

Bulletin
– Introducing the Asian Welding Federation(AWF)
– Cheerful and friendly, Brazilians, think positively about their economic future

2015

Kobelco Welding Today Vol.18 No.2 2015

Glossary
What is CTOD?

Technical Highlight
TIG welding consumables for 490 MPa high tensile strength steels

Bulletin
– India Essen Welding & Cutting 2014
– A Memorable reception with Dutch King and Queen
– Impressive Chinese people and life in Qingdao

Kobelco Welding Today Vol.18 No.1 2015 

Products Spotlight
MG-S430NbS for car exhaust systems: Strong and corrosion resistant

Technical Highlight
Supply and demand for LNG and implications for 7% Ni TMCP steel and welding consumables

Bulletin
Dubai: Famous for having the world’s largest
Indonesian people: calm, generous and positive
FABTECH 2014 in Atlanta

2014

Kobelco Welding Today Vol.17 No.3 2014

Products Spotlight
Study to further improve creep rupture and temper embrittlement properties of weld metal for 2.25Cr-1Mo-V steel

Technical Highlight
A robotic welding system equipped with the REGARC™ process for architectural steel frames

Kobelco Welding Today Vol.17 No.2 2014

Products Spotlight
Welding consumables for power boilers that match with AWS standards

Technical Highlight
Submerged arc welding consumables produced exclusively for use with direct current

Kobelco Welding Today Vol.17 No.1 2014

The SEGARC™ process: achieving efficiency by combining exclusive equipment and flux cored wire.

Technical Highlight
Total welding solutions: Integrating Kobelco’s comprehensive technologies

2013

Kobelco Welding Today Vol.16 No.3 2013

Products Spotlight
A new Ultra High Current MAG welding process allows for highly efficient and extremely low spatter welding

Technical Highlight
Kobelco flux cored wires for stainless steels:
meeting diverse market needs with a wide range of products

Kobelco Welding Today Vol.16 No.2 2013

Products Spotlight
New process for car industry welding:
MX-MIG with pure Ar gas and special metal-type flux cored wires

Technical Highlight
Meeting the requirements of offshore structures that operate in ever deeper and colder waters

Kobelco Welding Today Vol.16 No.1 2013

Products Spotlight
PREMIARC™ TG-Super304H: austenitic stainless steel TIG wire for coal-fired steam boilers

Technical Highlight
Pipeline Girth Welding: Kobe Steel’s up-to-date welding consumables meet diverse requirements

2012

Kobelco Welding Today Vol.15 No.3 2012

Products Spotlight
PREMIARC™ DW-410NiMo: the best choice for welding hydraulic turbine components

Technical Highlight
Using ARCMAN™ Robot Welding Systems for Railroad Car and Bridge Applications

Kobelco Welding Today Vol.15 No.2 2012

Spotlight
REGARC™ process offers low spatter and fumes even at high current in CO2-shielded arc welding.
Typical Applications of ARCMAN™ Robot

Technical Highlight
Welding Systems for Construction Machinery

Kobelco Welding Today Vol.15 No.1 2012

Products Spotlight
FAMILIARC™ MX-Z200MP provides uniform weld toes in multi-layer fillet welding

Technical Highlight
Kobelco’s ARCMAN™ welding robots and SENSARC™ power sources: unsurpassed performance across many applications

2011

Kobelco Welding Today Vol.14 No.3 2011

Products Spotlight
PREMIARC™ DW-308L-XR, DW-316L-XR
Helping Workplaces Comply with New OSHA Standards by Reducing Cr(VI) Emissions

Technical Highlight
Advanced MAG and MIG Welding Wires : Meeting Car Manufacturing Requirements for Fast and Efficient Welding

Kobelco Welding Today Vol.14 No.2 2011

Products Spotlight
TRUSTARC™ LB-67LJ
It meets all of the recent requirements for offshore structures. It features low hydrogen and no molybdenum content in the deposited metal.

Technical Highlight
Welding Consumables for LNG Storage Tanks Made of 9% Ni Steel
Specifications and features of 9% Ni steel
Welding procedures and control
Tips for better welding results on 9% Ni steel

Kobelco Welding Today Vol.14 No.1 2011

Technical Highlight
State-of-the-art automatic arc welding processes meet the latest shipbuilding requirements

2010

Kobelco Welding Today Vol.13 No.2 2010

Products Spotlight
Superior Welding Consumables for Super Duplex Stainless Steels PREMIARC™ NC-2594,DW-2594,TG-S2594

Technical Highlight
Unrivaled KOBELCO Filler Metals Match New Developments in Hydropower Penstocks

Kobelco Welding Today Vol.13 No.1 2010

Products Spotlight
A Hastelloy-type flux cored wire for welding 9% Ni steel in all positions, reducing hot crack susceptibility PREMIARC™ DW-N709SP

Technical Highlight
Designing High Quality Welding Consumables for Nuclear Power Reactors

2009

Kobelco Welding Today Vol.12 No.1 2009

Spotlight
Shining in the Welding of Super and Ultra Super Critical Pressure Boilers
TRUSTARC™ CR-12S & TG-S12CRS

Technical Highlight
Heat-Resistant High-Cr Ferritic Steel Filler Metals for Thermal Electric Power Boilers

2008

Kobelco Welding Today Vol.11 No.4 2008

Products Spotlight
TRUSTARC™ LB-80L
Ultra-Low Hydrogen Covered Electrode Excellent in DCEP Welding of 780-MPa High Tensile Strength Steel

Technical Highlight
Offshore Structures Exploring Deeper Seas Demand Higher Quality Filler Metals

Technical Terms
Transition Temperature for Toughness

Bulletin
Technical Services for Customers in USA

Kobelco Welding Today Vol.11 No.3 2008

Products Spotlight
FAMILIARC™ MIX-50FS & FAMILIARC™ SE-A50FS
Advanced Solid Wires for Sheet Metal Welding

Technical Highlight
Recent International Trends in Filler Metal Standards

Bulletin
Winner of the foreign expert honorary awards of Liaoning provincial government(Mr. Maruyama)

Kobelco Welding Today Vol.11 No.2 2008

Products Spotlight
FAMILIARC™ DW-100E & FAMILIARC™ MX-200E
Unsurpassed Flux-Cored Wires in E- and EH-Grade Steel Hulls

Technical Highlight
Shipbuilding Increasingly Demands High-Efficient Welding Processes
Question and Answer
Did you know why FCWs are used in large quantities in shipbuilding?

Bulletin
New Product Designation System FAMILIARC™ TRUSTARC™ PREMIARC™

Kobelco Welding Today Vol.11 No.1 2008

Products Spotlight
LB-52U Excels in Melt-Through Root-Pass Welding

Technical Highlight
Welding of Heat Exchangers
ABC’ s of Arc Welding
Cold Cracks in Fillet Welds

Bulletin
Nace Spec. to prevent SSC
Technical Service for Customers in Europe & Russia

2007

Kobelco Welding Today Vol.10 No.4 2007

Special Message
Big changes in the welding industry this decade
Feature Article
75 years of the KOBELCO Arc

Kobelco Welding Today Vol.10 No.3 2007

Products Spotlight
DW-309MoL & DW-309MoLP
The Indispensable FCWs for Dissimilar Metal Welding in Desalination Plants, Chemical Tankers and Plats, and Paper Mill
Technical Highlight
Types of Wear and Suitable Hardfacing Filler Metals
Question and Answer
Welding of 13%Mn Steel

Bulletin
Technical Services for Customers in Thailand and Singapore

Kobelco Welding Today Vol.10 No.2 2007

Products Spotlight
MIX-1TS Shines in Auto Parts Fabrication

Technical Highlight
Welding of LPG Storage tanks
Part.2: Essential Factors in Controlling Welding Procedures
Question and Answer
Welding of Galvanized Steel Sheets

Bulletin
Revisions in AWS A5.20 & A5.29

Kobelco Welding Today Vol.10 No.1 2007

Products Spotlight
LB-7018-1 Shines as a Versatile Electrode in a Low-Temperature Service Offshore Structures

Technical Highlight
Welding of LPG Storage tanks
Part 1: How to Select Filler Metals

Technical Terms
Carbon Equivalent

2006

Kobelco Welding Today Vol.9 No.4 2006

Products Spotlight
The Best for SAW of Thin Steels <G-50/US-36>
A More Versatile SAW Flux/Wire <G-60/US-36>

Technical Highlight
SMAW Electrode coverings

Bulletin
Kobelco GMAW wires for auto parts

Kobelco Welding Today Vol.9 No.3 2006

Products Spotlight
Special Solid Wire for Ar-CO2 Mixture Shielding <MIX-50>

Technical Highlight
Atmospheric Corrosion-Resistant Steels and Suitable Welding Consumables

The ABC’ s of Arc Welding
Weld Distortion

Kobelco Welding Today Vol.9 No.2 2006

Products Spotlight
New DW-50 Offers Superior Impact Toughness for Flux Cored Arc Welding

Technical Highlight
Welding of Crude Oil Storage tanks
Part 2: Welding Procedure Controls

The ABC’ s of Arc Welding
Diffusible Hydrogen

Bulletin
The H-series DW stainless steel flux-cored wires shine in high-temperature applications

Kobelco Welding Today Vol.9 No.1 2006

New Products
New ZERODE-44: A Leading Electrode for General Applications in Japan

Technical Highlight
Welding of Crude Oil Storage tanks
Part 1: How to Select Filler Metals

Technical Terms
SR Cracking

2005

Kobelco Welding Today Vol.8 No.4 2005

Products Spotlight
DC-spec High-Strength 2.25Cr-1Mo-V Filler Metals for Reactor Vessels: <CMA-106HD, PF500D/US-521HD>

Technical Highlight
Welding of Chemical tankers
Part 2: Essential Factors in Welding Procedure Controls

Technical Terms
Yield Point and 0.2% Offset Yield Strength

Kobelco Welding Today Vol.8 No.3 2005

Products Spotlight
MXA-430M: Unsurpassed Flux-Cored Wire for Cr Stainless Steel Welding

Technical Highlight
Welding of Chemical tankers
Part 1: How to Select Stainless Filler Metals
Q & A
How to prevent stainless steel welds from rusting

Kobelco Welding Today Vol.8 No.2 2005

Technical Highlight
How Electric Polarity Affects Welding Quality in Arc Welding

Technical Terms
Band-Overlaying: What Overlaying with Strip Electrode Offers

Products Spotlight
Duplex Stainless Steel Flux Cored Wires, DW-329A and DW-329AP, are Now Spotlighted in the Technologically Demanding Fields

Kobelco Welding Today Vol.8 No.1 2005

Products Spotlight
DWA-55L for better CTOD

Technical Highlight
GTAW of Stainless Steel Piping
Technical Terms Explanation
CTOD

2004

Kobelco Welding Today Vol.7 No.4 2004

New Product
A breakthrough in stainless steel sheet metal welding <DW-T308L, DW-T309L, DW-T316L>

Technical Highlight
FILLER METAL STANDARDS
Part 2: AWS and EN STANDARDS

Q & A in Arc Welding
What causes porosity and how can it be Prevented in arc welding?

Kobelco Welding Today Vol.7 No.3 2004

Technical Highlight
FILLER METAL STANDARDS
Part 1: AWS STANDARD

New product
Stricter Quality Requirements Increasingly Demanded for DC-spec. Cr-Mo Filler Metals

Kobelco Welding Today Vol.7 No.2 2004

Technical Highlight
Welding of Power Generation Boilers
Part 2: Essential factors in welding procedure Controls

Q & A in Arc Welding
Is there any convenient way to estimate quickly the approximate consumption of welding consumables for a particular welding joint?

Bulletin
Excellent Tack Welding Performances in All Positions <LB-52T>

Kobelco Welding Today Vol.7 No.1 2004

New products
DW-62L, DWA-62L

Technical Highlight
Welding of Power Generation Boilers
Part 1: How to Select Filler Metals

Q & A in Arc Welding
In automatic GMAW the arc sometimes becomes unstable, though the wire is smoothly delivered. How can it be prevented?

2003

Kobelco Welding Today Vol.6 No.4 2003

Technical Highlight
Kobelco SAW Fluxes/Wires Cover a Wide Scope of Heavy Fabrication Industries

Bulletin
DWA-81Ni1

Kobelco Welding Today Vol.6 No.3 2003

Technical Highlight
Kobelco Flux-Cored Wires Shine in Various Applications

Bulletin
DWA-81B2, DWA-91B3

Kobelco Welding Today Vol.6 No.2 2003

Technical Highlight
Welding of offshore structures
Part 2: Essential Factors in Welding Procedure Controls

Q & A in Arc Welding
What advantages are there in downhill welding and how should it be used, compared with uphill welding in GMAW and FCAW?

Bulletin
DWA-65L, TGS-80B2, TGS-90B3

Kobelco Welding Today Vol.6 No.1 2003

Technical Highlight
Welding of offshore structures
Part 1: How to Select Welding Consumables

Q & A in Arc Welding
How to Carry Out Tack Welding

2002

Kobelco Welding Today Vol.5 No.4 2002

Technical Report
Essential Factors in Selecting Heat-Resistant Low Alloy Filler Metals for High-Temperature, High-Pressure Services in the Power Generation, Oil Refining, and Petrochemical Industries

ABC’ s of Arc Welding
Preheating and Postheating: The Purposes and Procedures

Kobelco Welding Today Vol.5 No.3 2002

Technical Report
CM-9, CM-9CB, CM-96B9
TGS-9CM, TGS-9Cb, TGS-90B9

Kobelco Welding Today Vol.5 No.2 2002

Technical Report
CMA-106H, PFH-500/US-521H, TGS-2CMH

ABC’ s of Arc Welding
How Polarity Affects Electrode Performance In Arc Welding

Kobelco Welding Today Vol.5 No.1 2002

Technical Report
CMA-106, CMA-106N, TGS-2CM, TGS-2CML

ABC’ s of Arc Welding
Hot Crack: How It Occurs and How It Can Be Prevented

2001

Kobelco Welding Today Vol.4 No.4 2001

Technical Report
CMA-96, CMA-96MB, TGS-1CM, TGS-1CML

ABC’ s of Arc Welding
Cold Cracks: Causes and Cures

Kobelco Welding Today Vol.4 No.3 2001

Technical Report
Shielded Metal Arc Welding in Transportation Pipelines

Kobelco Welding Today Vol.4 No.2 2001

Technical Report
DW-55LSR, TGX-308L, TGX-309L, TGX-316L

ABC’ s of Arc Welding
PWHT Determines the Quality of Weldments
Feature Articles
DW-81B2, DW-91B3

Kobelco Welding Today Vol.4 No.1 2001

Technical Report
DW-55L, NB-1SJ

ABC’ s of Arc Welding
How Interpass Temperature Affects the Quality of Welds

2000

Kobelco Welding Today Vol.3 No.4 2000

Technical Report
DW-55E, MG-60

ABC’ s of Arc Welding
What Is Heat Input, and How Does It Affect the Quality of Welds?

Kobelco Welding Today Vol.3 No.3 2000

Technical Report
MG-50, MG-51T, LB-62L

ABC’ s of Arc Welding
Spray Transfer Arc :Advantages and limitations

Kobelco Welding Today Vol.3 No.2 2000

Technical Report
DW-100E, LB-52NS

ABC’ s of Arc Welding
What Is Low-Temperature Notch Toughness and How Is It Determined?

Kobelco Welding Today Vol.3 No.1 2000

Technical Report
DW-200, LB-62

ABC’ s of Arc Welding
Fillet Weld Legs Determine Size and Throat of Fillet Welds

1999

Kobelco Welding Today Vol.2 No.4 1999

Technical Report
LB-52A, NC-37L

ABC’ s of Arc Welding
Weld Decay: Its Cause and Cure

Kobelco Welding Today Vol.2 No.3 1999

Technical Report
DW-100V, NC-39L

ABC’ s of Arc Welding
What is the Ferrite Contained in Austenitic Stainless Weld Metals, and How Is It Measured?

Kobelco Welding Today Vol.2 No.2 1999

Technical Report
B-14, DW-309L, DW-309LP

ABC’ s of Arc Welding
Why Dissimilar Metal Welding is Needed, and How to Select Proper Filler Metals

Kobelco Welding Today Vol.2 No.1 1999

Technical Report
DWA-50, NC-36L

ABC’ s of Arc Welding
What the Ar/CO2-Mixture Shielding Offers

1998

Kobelco Welding Today Vol.1 No.4 1998

Technical Report
LB-52U, DW-316L, DW-316LP

ABC’ s of Arc Welding
What is “Uranami”, and How Useful is it?

Kobelco Welding Today Vol.1 No.3 1998

Technical Report
MX-100T, LB-52-18, DW-308L, DW-308LP

ABC’ s of Arc Welding
What is Short Circuiting Transfer, and What is it Used for?

Kobelco Welding Today Vol.1 No.2 1998

Technical Report
MX-200, LB-52, NC-38L

Kobelco Welding Today Vol.1 No.1 1998

Technical Report
DW-100, RB-26, DW Stainless Series