Automobile
Kobelco keeps on providing welding process and welding materials to solve all the problems car manufactures are facing.
- Welding Consumables for Automobiles
- SE wire, Non-Cu Coated Solid Wire
- Welding Solution - Galvanaized Steel Sheet
- Welding Wire for Ultra-High Tensile Steel
- Welding Process to Improve Rust Corrosion Resistance
- Welding Wire to Achieve Slag-Less welding
- Welding Wire Specially for Wire Feeding Control Process
Welding Consumables for Automobiles
-
Suspension member (front)
Suspension member
Suspension member - Plate thickness:
1.6 to 3.2mm
- Features:
galvanized steel plate
- Welding length:
long and short mixed
- Welding position:
Horizontal, Downhill
- Point:
Prevention of zinc-induced pits
Recommended welding procedure
- Power source:
Pulse or constant potential
- Shielding gas:
Ar 80% + CO2 20%, CO2 100%
- Welding position:
avoid vertical down welding as far as possible
- Welding current, speed:
150 to 250A – 60 to 120cm/min
- Welding wire:
FAMILIARC™ MIX-1TS, FAMILIARC™ MIX-1Z (Pulse)
FAMILIARC™ SE-50T, FAMILIARC™ MG-1Z (CO2) 1.2mmΦ
-
Instrument panel reinforcement
Instrument panel reinforcement
starting - Plate thickness:
0.8 to 1.4mm
- Features:
thin wall
- Welding length:
short
- Welding position:
Horizontal, Vertical-down
- Point:
Prevention measures to burn-through, consistent arc
Recommended welding procedure
- Power source:
Constant potential
- Shielding gas:
Ar 80-90% + CO2 20-10%, CO2
- Welding current, speed:
100 to 180A – 50 to 90cm/min
- Welding wire:
FAMILIARC™ SE-A50 1.0mmΦ
-
Axle housing
Axle housing
Axle housing - Plate thickness:
2.0 to 10.0mm
- Features:
Thick plate butt joint
- Welding length:
Fairly long
- Welding Position:
Flat
- Point:
Constant deep penetration
Recommended welding procedure
- Power source:
Constant potential (thick plate) or pulse
- Shielding gas:
CO2 100%, Ar 80%＋CO2 20%
- Welding current, speed:
200 to 400A – 60 to 100cm/min
- Welding wire:
FAMILIARC™ MG-50 (CO2) , FAMILIARC™ SE-A50 (Pulse) 1.2, 1.6mmΦ
-
Shock absorber
Torque conveter, Shock absorber
Torque conveter - Plate thickness:
2.6 to 4.0mm
- Features:
circumferential welding
- Welding length:
long and short, mixed
- Welding position:
Horizontal
- Point:
Horizontal high-speed circumferential welding
Recommended welding procedure
- Power source:
Pulse or constant potential
- Shielding gas:
Ar 80% + CO2 20%, CO2
- Welding current, speed:
200 to 300A – 100 to 150cm/min
- Welding wire:
FAMILIARC™ MIX-50FS (Pulse)、FAMILIARC™ SE-A50FS (Pulse)、FAMILIARC™ SE-A50 (CP)
-
Exhaust muffler
Exhaust manifold, Muffler
Exhaust manifold - Plate thickness:
1.0 to 1.6mm
- Features:
Stainless steel
- Welding length:
long and short mixed
- Welding Position:
Flat
- Point:
Stainless steel, prevent sensitization, low spatter
Recommended welding procedure
- Power source:
Pulse
- Shielding gas:
Ar 98% + O2 2% Ar 80% + CO2 20%
- Welding current, speed:
120 to 200A – 30 to 80cm/min
- Welding wire:
PREMIARC™ MX-A430M, PREMIARC™ MM-430Nb (Ar100%)
-
Frame assembly
Frame
Frame - Plate thickness:
2.3 to 4.0mm
- Features:
Many horizontal lap joints
- Welding length:
quite long
- Welding position:
Horizontal
- Point:
Large part, high speed, low spatter
Recommended welding procedure
- Power source:
Pulse or constant potential
- Shielding gas:
Ar 80% + CO2 20%
- Welding current, speed:
250 to 360A – 100 to 150cm/min
- Welding wire:
FAMILIARC™ SE-A50, FAMILIARC™ MIX-50FS 1.2mmΦ
-
Axle beam
Arm, axle beam
Arm, axle beam - Plate thickness:
2.6 to 3.2mm (arm), 2.6 to 4.0mm (axle)
- Features:
High strength, fatigue design
- Welding length:
Fairly long
- Welding position:
H, F, Downhill
- Point:
Strength part, extra-low spatter, high speed
Recommended welding procedure
- Power source:
Pulse or constant potential
- Shielding gas:
Ar 80% + CO2 20%
- Welding current, speed:
250 to 330A – 100 to 150cm/min
- Welding wire:
FAMILIARC™ SE-A50 (General), FAMILIARC™ MIX-1TS (VD), FAMILIARC™ MIX-50FS (H)
-
Body Panel
Body Panel
Body Panel - Plate thickness:
0.6 to 0.9mm
- Features:
Very thin plate
- Welding length:
very short
- Welding position:
Horizontal fillet, Vertical down, Horizontal
- Point:
Prevent burn-through and control root gap of very thin plate
Recommended welding procedure
- Power source:
Variable AC machine
- Shielding gas:
Ar 80% + CO2 20%
- Welding current, speed:
50 to 120A – 30 to 80cm/min
- Welding torch recommended:
Push-pull type
- Welding wire:
FAMILIARC™ MIX-1T 0.6 to 0.9mmΦ
-
Radiator Panel
Radiator, Bike frame
Radiator, Bike frame - Plate thickness:
1.0 to 4.0mm
- Features:
Aluminum alloy
- Welding length:
long and short, mixed
- Welding position:
All positon
- Point:
Aluminum alloy
Recommended welding procedure
- Power source:
Pulse for aluminum alloys
- Shielding gas:
Ar 100%
- Welding current, speed:
100 to 250A – 50 to 100cm/min
- Welding wire:
PREMIARC™ A-5356WY, PREMIARC™ A-4043WY 1.2mmΦ
SE wire, Non-Cu Coated Solid Wire
With Kobelco's original wire surface treatment technology, non-copper-coated solid wire offers revolutionary level of wire feedability and unrivaled arc stability.
The copper coating process is eliminated from the manufacturing process to minimize the impact on the global environment.
Features
KOBELCO's own copper free, special wire surface treatment technology offers;
- Excellent wire feedability & stable arc
- Low spatter
- No trouble caused by copper coating scrap
Click the link below for "Technical Highlight Vol.12", advanced wires for car manufacturing.
Series of SE Wire for Automobile
| Brand | Welding Process | Type of Steel (MPa) Thickness |
Chemical Composition (Example) | Mechanical properties (Example) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Y.S. (MPa) |
T.S. (MPa) |
El. (%) |
IV (J) |
|||
| CO2, MAG | Carbon steel pipe / plate (1 to 5mm) |
0.07 | 0.49 | 1.02 | 0.008 | 0.016 | 433 | 541 | 28 | 110 (0℃) |
|
| MAG, Pulsed MAG | Carbon steel pipe/plate (1 to 5mm) |
0.06 | 0.62 | 1.27 | 0.010 | 0.015 | 460 | 559 | 28 | 120 (-20℃) |
|
| MAG, Pulsed MAG | Carbon steel pipe / plate (3mm Above) |
0.08 | 0.35 | 1.06 | 0.009 | 0.011 | 460 | 540 | 28 | 150 (-20℃) |
|
| MAG, Pulsed MAG | Carbon steel pipe / plate (2 to 4mm) |
0.04 | 0.70 | 1.20 | 0.010 | 0.060* | 430 | 530 | 31 | 90 (0℃) |
|
| MAG, Pulsed MAG | Galvanized steel Anti-corrosive pipe (1 to 4mm) |
0.08 | 0.60 | 1.01 | 0.010 | 0.004 | 440 | 540 | 31 | 150 (-20℃) |
|
- *Although S content is higher than conventional wire, it is designed to maintain high-crack resistability.
Application to Automobile Parts
FAMILIARC™ SE-A50FS: Beautiful Flat and Expansive Beads
- Excellent bead contour in high speed welding, such as 90 to 140cm/min, without humping and undercut.
- Welding slag is condensed in one spot, not dispersed, and low in quantity.
- Its flat, wide bead shape is less likely affected by welding parameter, and more tolerble to deviated wire tracking.
Welding Solution - Galvanaized Steel Sheet
Welding Consumables for Galvanized Steel Sheet
| Process | Brand | Coating Weight | Anti-Porosity Resistance |
Welding Speed (cm/min) |
|
|---|---|---|---|---|---|
| CO2 | General | to 60g/m2 | Fair to Good | to 80 | |
| Special for galvanized steel | to 100g/m2 | Good | to 80 | ||
| PulseMAG | General | to 45g/m2 | Fair | to 100 (Horizontal) |
|
| Special for galvanized steel | to 60g/m2 | Good | |||
FAMILIARC™ MIX-1TS / FAMILIARC™ SE-A1TS
Excellent Anti-Porosity Resistance
| ① | ② | ③ | ④ | |
|---|---|---|---|---|
| Root gap | 0 | 0 | 1 | 0 |
| Welding powersouce | Constant potential | Pulse | ||
| Positon | Horizontal | 45° Downhill |
||
Excellent weldability with root gap
Butt joint (Thickness 3.2 mm, root gap 1.0 mm)
High Speed welding at downhill positon
Welding Wire for Ultra-High Tensile Steel
Feature 1
Applicable for various welding process, such as short circuit, pulse-MAG, and wire feeding control process
- *Shielding gas: Ar+20%CO2, sheet: 980TRIP/2.0mmt
Click here for "Technical Highlight Vol.28", MG-S120T & latest our welding techmology for car manufacture.
Feature 2
Achives sufficient strength welded joint with ultra-high tensile steel, while general welding wire does not achieve
Feature 3
Achieves higher strength joint than spot resistance welding
- Welding current:
210A
- Arc time:
0.5sec
- Diameter of spot at lower plate:
4√t
- Current:
4KA
- Press:
440kgf
- Welding time:
15 cycle
- Nugget diameter:
4√t
TRUSTARC™ MG-S120T
Diffusible Hydrogen Content (According to JIS Z 3118)
Superior cold crack resistance due to low hydrogen content in weld metal
| Diffusible Hydrogen Content (ml/100g) | |||
|---|---|---|---|
| 1 | 2 | 3 | Average |
| 1.8 | 1.7 | 1.5 | 1.7 |
Applicable type of steel
780 to 1180MPa class carbon steel
- *Mechanical properties are affected by steel sheet. Users are kindly requested to confirm whether the weld metal have sufficient tensile strength with steel sheet which they intend to use.
Welding Process to Improve Rust Corrosion Resistance
Click the link below for welding wire and process to improve rust-corrosion resistance.
FAMILIARC™ MIX-1TR -the Solid Wire to Improve Electrodeposition Coating Property
- FAMILIARC™ MIX-1TS provides the weld with improved electroposition coating properties with the exsititing equipment.
- Undercut is not likely to occur at the toe of the welded bead even in the welding of sheets with gaps.
- Bead configuration is not likely to become convex even in high speed welding.
- Stable welding with little spatter is possible by selecting optimum welding parameters.
| Wire | Bead appearance comparison after electrodeposition coating (High Tensile Steel, Lap joint) |
|---|---|
| Conventional Wire |
 |
| MIX-1TR |
 |
- *Wire diameter 1.2mm, Shielding Gas Ar-20%CO2 (Pulse MAG)
| Wire | Bead appearance comparison before electrodeposition coating (High Tensile Steel, Lap joint) |
|---|---|
| Conventional Wire |
 |
| MIX-1TR |
 |
- *Wire diameter 1.2mm, Shielding Gas Ar-20%CO2 (Pulse MAG)
Welding Wire to Achieve Slag-Less welding
FAMILIARC™ SE-A50FS / MIX-50FS
JIS Z 3312 YGW15, Shielding gas: Ar-CO2 Pulse-MAG welding
How to Achieve “Slag-Less”
Reduce slag of weldind bead with controlling flow of molten pool and bring slag together at the end of welding bead
Smooth Bead Appearance even at Toe of the Bead
Collect slag on the welding bead by balancing the power affacting molten pool
MX-MIG Process FAMILIARC™ MM-1S
Shielding gas: 100%Ar Flux-cored wire for Pulse-MAG
MM-1S enable 100%Ar welding which is unable with solid wire
Minimized Slag Generation
100%Ar welding minimize slag generation with reduction of oxidezed gas
Smooth bead shape even at Toe of the Bead
Corrositon Resistance after Paint Coating
- *Chemical treatment: immerding phosphastisation, Paint coating 25μm, Corrosion test according to JASOM609-91, 60 cycle
Welding Wire Specially for Wire Feeding Control Process
FAMILIARC™ MG-1T(F)
JIS Z 3312 YGW12 Shielding gas: CO2 & Ar-CO2
Features
- Reduce wear amount of contact tip by special wire-surface treatment
- Stable of weld bead shape with improved wire feeding
- Suitable for thin steel plates such as parts of automobile parts
- *Wire: 1.2mm dia, Welding parameter: 200A-25V-30cpm, 100%CO2, after welding for 1hr continusouly
FAMILIARC™ MG-1S(F): Improve Coating / Painting Property by Reduction of Slag Generation
Reduce slag amount on welding bead which harms painting / coating, by collecting slag at the end of welding bead
Contact Us
You can reach us by clicking the inquiry button.