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STEELMATE PRO 500 comprised of a variety of advanced welding processes heavy duty mig welders

STEELMATE PRO 500 comprised of a variety of advanced welding processes heavy duty mig welders
STEELMATE PRO 500 comprised of a variety of advanced welding processes heavy duty mig weldersSTEELMATE PRO 500 comprised of a variety of advanced welding processes heavy duty mig weldersSTEELMATE PRO 500 comprised of a variety of advanced welding processes heavy duty mig weldersSTEELMATE PRO 500 comprised of a variety of advanced welding processes heavy duty mig welders
group name
MIG Welders
Min Order
1 piece
brand name
TOPWELL
model
STEELMATE PRO 500
Nearest port for product export
Shanghai/Ningbo Port
Delivery clauses under the trade mode
FOB, CFR, CIF, EXW
Acceptable payment methods
T/T
Export mode
Have the independent export and import right
update time
Wed, 27 Aug 2025 13:48:22 GMT

Paramtents

  • Mains voltage(V) 3PH~400V±15%(50/60Hz)

  • Max.Load Power Capacity 25.18KVA

  • Output Range 30A/15.5V~500A/39V

  • Rated Duty cycle at 40℃(105℉): 60% 500A/39V

Packging & Delivery

  • 75cm x40cm x72cm
  • Min Order1 piece

Briefing

Experience Excellence in Welding with STEELMATE 500. Discover the Versatility of Heavy Duty MIG Welders.

Detailed

DETAILS
STEELMATE PRO SERIES
Workhorse - Ideal for Heavy-duty Steel Welding
Quick Specs
Steelmate po Series
350
500
650
Input Voltage
3PH ~ 400V ±15%
3PH ~ 400V ±15%
3PH ~ 400V ±15%
Rated Output(40℃) 60%
500A/39V
500A/39V
650A/44V
Cooling system
Air-cooled
Air-cooled
Air-cooled

Equipment

Welding process package
Short Arc (refined dip transfer)

Pulse Arc
HSP (high speed pulse)
HSA (high speed spray arc)

UCA (ultra concentrated Arc)
HPC (hybrid pulse control)
Operational Method
At the remote control
At the wire feeder
At the remote control unit
At the torch
• Standard      Optional
PROWAVE SERIES
High Performance for Steel Welding
Equipped with refined dip transfer as well as high energy pulse and spray arc, the Steelmate PRO Series is able to provide solutions for all medium and thick sheet of steel welding. With superior function and performance but less cost, it is the most cost-effective choice for steel welding production use.  
• Refined Dip Transfer
• Highly efficient dip transfer arc with refined waveform;
• Suppress the spatter during short-circuit transition;
• Create high-quality seams with increased deposition rate;
• Spatter can be reduced by 20% when welding with CO2;
• Improved Arc Length Controls

The extension self-adjusting function maintains the stability of the same short arc length, enabling constant and regular short circuits, despite the change in the welding torch position, changing sheet thicknesses, or material misalignment. 

Benefiting from the wire feed control, the penetration stays stable and constant even in spite of the extension fluctuations. 
• High-energy Arc for Steel Welding
Aside from refined dip transfer, the Steelmate Pro Series is equipped with two complimentary advanced MIG/MAG welding processes including HSP and HSA as a plus, which allows more complicated problems to be solved as well as better welding results to be delivered. 

HSP (High Speed Pulse) - Ultra High Deposition Rate
Compared to a standard pulse process, the HSP extends its transition to a virtually flowing material transition to the work pieces, which boosts deposition rates by 35% while ensuring smooth, spatter-free seams. It users to save time, money, and resource as no reworks are required.
HSP
HSP
Get better welding seam
Less heat input, less spatters, less rework.

welding seam
Get higher welding strength
Deeper penetration, no undercut defects, higher strength.

welding strength


HSA (High Speed Spray Arc) - Superior Directional Property
With a highly concentrated and extremely stable arc in high density, the HSA process delivers spatter-free weld seems, deeper penetration and narrower heating affected zones. It is also possible to weld at small opening angles with the high directional property. Its welding speed is more than 30% faster than conventional MIG or MAG welding.
Smaller opening angle
Deeper penetration
More material saving
Higher welding efficiency
HPC (Hybrid Pulse Control) - Excellent in All-position Welding
The specialty of HPC-Vertical Up lies in two processes: one is to heat up the material with high energy, and another is to steeply lower the heat to contribute to the well-formation of seams within a short time.

It ensures a reliable penetration, precisely sized weld fillings, and a near-optimal throat thickness and is faster and easier than the conventional "X-Mas tree".
HPC Vertical-up Welding Process
Also Good for Stainless Steel Welding
With the advanced welding processes equipped, the Steelmate PRO Series is not only a great mate for mild steel welding, but also good for stainless steel welding.

The Steelmate Pro single/double pulse technology optimizes welding results by precisely controlling heat input while maintaining metal fluidity, minimizing total heat input as much as possible to ensure excellent welding quality and preserve the original properties and mechanical structure of the base material.
HPC Vertical-up Welding Process
Easy to Use
• Simple Operation
3 Steps To Achieve Weld Perfection 

① Select operation mode.
② Select Processes-list No. (Welding process)
③ Adjust welding current.
(always the perfect setting by the synergic function using the material thickness) 
Friendly I/O interface
Synergy Control With Processes-list

The Processes-list display is easily and intuitively controlled through its graphical user interface. We assem bled the perfect welding curve in every Process-No. to help the users choose the best welding process for carbon steels, aluminum alloys and stainless steel. Operation is easier than ever before.
Friendly I/O interface
•  Memory storage function

Users will have a variety of welding needs and hope to set the most suitable welding parameters for different materials and workpieces. Steelmate PRO Series has memory storage function, up to 999 independent welding tasks (Jobs) to maintain/save different welding operation parameters. Select and quickly restore previous settings with one click, making operation simpler and more efficient.

Memory storage function

• Flexible Control Methods

You can regulate the machine at the standard wire feeder, the optional remote control or the digital torch. 
Optional Compact Wire Feeder with Detachable Control Panel
• Lighter and compact wire feeder is easy and convenient to be carried around in heady-duty working environments;

• Super durability comes from enhanced protective design;

• Simply operate the machine and set the parameters on the full-function wire feeder control panel;

• Detachable remote control on the wire feeder, all operations are in hand.
Memory storage function
Ultra-long Distance Welding with Precise and Stable Arc Control

• Ultra-long Cable Loop Compensation

Regardless of working distance and long cable loop (up to 30 meters), the Steelmate Pro series maintains its high stability and performance thanks to the intelligent compensation function.

• Reliable and Durable Intermediate Cable Kit

The Intermediate cable kit (7 Pins only) connecting the main machine and the wire feeder is wrapped in thick rubber, which not only meets the needs for efficient communication, allowing for more precise control, but also helps reduce the occurrence of malfunctions.
Ready for Intelligent Fabrication

• MES and WeldNET Accessible

Steelmate PRO series is equipped with active user management and assigned NFC keys to set protection and permissions for parameter adjustment. It can also choose to connect to the MES system, which is more suitable for modern production data management.
Memory storage function
By connecting to Topwell WeldNET, you can pre-control the parameters, monitoring the process at real time, and trace the quality, thanks to the equipment, production, and process management modules. Meanwhile, your productivity and quality are boosted with analytic and statistical tools. It unleashes the potential of your future welding production. 

• Robot Welding Accessible


Robot interfaces are inserted via digital port (EtherNetlP, DeviceNet, CAN, CANOPEN, RJ485,etc.) with built-in communication protocols. No additional external communication modules are needed.

VIDEO

SPECIFICATIONS
Product Name
STEELMATE PRO350
STEELMATE PRO500
Mains voltage(V)
3PH~400V±15%(50/60Hz)
3PH~400V±15%(50/60Hz)
Max.Load Power Capacity
18.1KVA
25.83KVA
Output Range
MIG: 30A/15.5V~350A/31.5V
MIG: 30A/15.5V~500A/39V
Rated Duty cycle at 40℃ (105℉): 60%
MIG: 350A/31.5V
MIG: 500A/39V
                                                     100%
MIG: 250A/26.5V
MIG: 400A/31.5V
Open Circuit Voltage
70V~80V
70V~80V
Power Factor
0.87
0.87
Efficiency
89%
89%
Wire feed unit
4 rollers
4 rollers
Wire feed speed range
0~25m/min
0~25m/min
Wire SpoolCapacity
300mm(15~20kg)
300mm(15~20kg)
Wires φ (mm): Fe
0.8~1.2mm
0.8~1.6mm
Alu
1.0~1.2mm
1.0~1.2mm
Flux-cored
1.0~1.2mm
1.0~1.6mm
Dimension (L x W x H): Machine
655 x 300 x 620 mm
655 x 300 x 620 mm
Wire feeder
670 x 250 x 420mm
670 x 250 x 420mm
Net Weight : Machine
45kg
50kg
Wire feeder
15kg
15kg

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