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
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”.
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
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
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
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