Used Ess Mig Mag 205 M for sale (77,215)

Condition: excellent (used), Year of construction: 2017, functionality: fully functional, travel distance X-axis: 630 mm, travel distance Y-axis: 730 mm, travel distance Z-axis: 860 mm, rapid traverse X-axis: 120 m/min, rapid traverse Y-axis: 120 m/min, rapid traverse Z-axis: 120 m/min, feed length X-axis: 630 mm, feed length Y-axis: 730 mm, feed length Z-axis: 860 mm, feed rate X-axis: 120 m/min, feed rate Y-axis: 120 m/min, feed rate Z-axis: 120 m/min, nominal power (apparent): 70 kVA, torque: 1,400 Nm, controller manufacturer: Siemens, controller model: 840D SL, workpiece height (max.): 640 mm, workpiece diameter (max.): 700 mm, workpiece weight (max.): 290 kg, total height: 3,650 mm, total length: 5,650 mm, total width: 3,560 mm, table width: 400 mm, table length: 400 mm, table load: 290 kg, rotational speed (max.): 80 rpm, overall weight: 25,000 kg, distance between spindles: 720 mm, number of spindles: 2, number of slots in tool magazine: 112, tool length: 550 mm, tool diameter: 75 mm, tool weight: 12,000 g, input voltage: 400 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, For sale is a high-performance, two-spindle CNC machining center, MAG SPECHT 500 DUO LIMO PW, manufactured in 2017, with a pallet changer, two working spindles, and 5-axis machining capabilities. The machine has been used infrequently recently and is currently not in active production. It remains connected to the power grid, so an inspection while powered on is possible by appointment. Manufacturer: MAG / FFG Model: MAG SPECHT 500 DUO LIMO PW Year of manufacture: 2017 Condition: very good (original images dated September 15, 2026) Godpfxez Ar E Ij Aansbw Operating hours: 17,690 h Category ID: 1458 Type ID: 4166 Machine type: Universal machining center Technical data: Year of manufacture: 2017 Machine number: X.0112.6258 Control system: Siemens 840D SL Number of spindles: 2 Machining: 5-axis Design: LIMO PW Pallet changer Tool holder: HSK-A63 Travel in X: 630 mm Travel in Y: 730 mm Travel in Z: 860 mm Axis speed X/Y/Z: up to 120 m/min Spindle distance: 720 mm B-/A-axis: up to 80 rpm B-axis division: 360° x 0.001° Pallet size: 400 x 400 mm Table/pallet load: 2 x 290 kg Max. weight moment at 90°: 1,400 Nm Max. workpiece and fixture height with pallet changer: 640 mm Max. clearance circle workpiece/fixture: 2 x 700 mm Tool magazine: 112 tool positions for HSK-A63 Tool diameter with full load: 75 mm Tool diameter with empty spaces: 230 mm Max. tool length: 550 mm Max. tool weight: 12 kg Total weight of tools in the magazine: max. 420 kg Accuracy / Measuring system: Linear measuring system X/Y/Z: 0.0001 mm Positional accuracy: 0.005 mm Positional repeatability: 0.004 mm Machine dimensions: Width: approx. 3,560 mm Length: approx. 5,650 mm Height: approx. 3,650 mm Machine weight: approx. 22,000–25,000 kg Electrical rated power according to nameplate: 70 kVA Operating voltage: 400 V / 50 Hz If you have any questions or need more information, please send us a message or call us. Inspection while powered on is possible by appointment in 36199 Rotenburg an der Fulda. Technical documentation is available. Sale from the current location. Dismantling, loading, and transport can be arranged. Subject to prior sale, errors, and changes in technical specifications.

Condition: good (used), Inert gas welding machine, arc welding system, MIG/MAG welding system -Manufacturer: Ess, inert gas welding machine MIG-MAG 520-2 MW -Type: 520-2MW -Max. Welding power: 500 A -Water cooled -Wire feed case: ESS DVK 17 -Dimensions: 1160/500/H1220 mm Gedoqvp Nkspfx Aansbw -Weight: 379 kg

Condition: excellent (used), Year of construction: 2015, Technical specifications: Welding robot with 3 axes Number of axes: 3 Travel range: Longitudinal travel: 4,200 mm Transverse travel: 1,200 mm Vertical travel: 1,000 mm Rotary head with motorised tailstock Centre height: 980 mm Centre distance: 4,500 mm Godpeymnqpefx Aanobw Carrying capacity of 1 rotary device: 3,000 kg Power source: FRONIUS Transpuls Synergic 5000 MIG/MAG Welding torch cleaning station: ABICOR BINZEL The seller assumes no liability for typing or data transmission errors. The machine's appearance, technical condition, and wear correspond to its age; used machines are sold without any guarantee or warranty.

Condition: used, Year of construction: 2018, travel distance X-axis: 510 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 700 mm, rapid traverse X-axis: 70 m/min, rapid traverse Y-axis: 70 m/min, rapid traverse Z-axis: 70 m/min, feed length X-axis: 510 mm, feed length Y-axis: 600 mm, feed length Z-axis: 700 mm, feed rate X-axis: 70 m/min, feed rate Y-axis: 70 m/min, feed rate Z-axis: 70 m/min, nominal power (apparent): 63 kVA, torque: 900 Nm, workpiece height (max.): 490 mm, workpiece diameter (max.): 535 mm, workpiece weight (max.): 200 kg, total height: 3,470 mm, total length: 4,150 mm, total width: 3,120 mm, table load: 200 kg, rotary table diameter: 450 mm, rotational speed (max.): 80 rpm, overall weight: 18,000 kg, distance between spindles: 540 mm, number of spindles: 2, number of slots in tool magazine: 112, tool length: 550 mm, tool diameter: 75 mm, tool weight: 12,000 g, input voltage: 400 V, Equipment: chip conveyor, documentation/manual, We are offering this very well-maintained, twin-spindle, 5-axis machining center, MAG SPECHT 450 DUO, manufactured in 2018. Manufacturer: MAG / FFG Machine Type: SPECHT 450 DUO Year of Construction: 2018 Condition: very good Operating Hours: 15,908 hours Machine Number: X.0112.6552 Order Number: E.7500194.001 Wiring Diagram Number: E.7500194.001 Location: 36199 Rotenburg an der Fulda, Germany Inspection: possible under power Gbedpfx Aez Ar H Seansw The machine is designed as a highly productive, twin-spindle machining center for series production and features 5-axis machining, two working spindles, and HSK-A63 tool holders. Technical Data: Year of Construction: 2018 Machine Number: X.0112.6552 Number of Spindles: 2 Machining: 5-axis Tool Holder: HSK-A63 Travel X: 510 mm Travel Y: 600 mm Travel Z: 660 / 700 mm Axis Speed X/Y/Z: up to 70 m/min Spindle Distance: 540 mm B-/A-Axis: up to 80 rpm B-Axis Division: 360° x 0.001° Table Plate Diameter: 2 x 450 mm Table Load: 2 x 200 kg Max. Interference Diameter of Workpiece/Fixture: 2 x 535 mm Max. Workpiece and Fixture Height: 490 mm Max. Weight Moment at 90°: 900 Nm Tool Magazine: 112 tool positions HSK 63 Tool Diameter with Full Load: 75 mm Tool Diameter with Empty Spaces: 140 mm Max. Tool Length: 550 mm with front loading Max. Tool Weight: 12 kg Total Weight of Tools in Magazine: max. 420 kg Accuracy / Measuring System: Path Measuring System X/Y/Z: 0.0001 mm Positional Accuracy: 0.005 mm Positional Repeatability: 0.004 mm Machine Dimensions: Width: approx. 3,120 mm Length: approx. 4,150 mm Height: approx. 3,470 mm Machine Weight: approx. 16,000–18,000 kg Electrical Rated Power according to Nameplate: 63 kVA Operating Voltage: 400 V / 50 Hz The machine can be inspected under power at the Rotenburg an der Fulda location by appointment. Technical documentation is available. Sale from location. Subject to prior sale and errors in the technical data.

Year of construction: 2006, condition: ready for operation (used), A complete Severt robotic welding system is available. Travel path X: 8000mm, robot axes: 6, stations: 2, axis positioners: 2, positioner speed: 6rpm, positioner load capacity: 1000kg, faceplate torque: 1000Nm, power source: OTC DP 500, power output: 350A. Including seam tracking sensor, push-pull torch, hose packages, wire guide spirals, contact tips, gas nozzles and additional items. Documentation vorhanden. On-site inspection is possible. Gbsdpfx Aaox U Dxajnjw

Condition: like new (used), Year of construction: 2019, Sundyne HMD Kontro 1.5x1x6 Sealless Magnetic Drive Centrifugal Pump Sundyne HMD Kontro magnetic-drive centrifugal pump for industrial process and fluid-transfer applications. The sealless magnetic-drive design is intended for applications where minimising the risk of process-fluid leakage is important. Technical details - Manufacturer: Sundyne HMD Kontro - Type: Magnetic-drive centrifugal pump - Size: 1.5 × 1 × 6 - Material of construction: 316L - Condition: Brand New Godpfx Aj Ad N Awoanobw Suitable for consideration by chemical, pharmaceutical and general process industries, subject to the specific liquid, temperature, pressure and materials requirements. Sale details - Equipment available from Ireland - International enquiries welcome - Price: On request - Inspection and additional photographs available on request Please enquire for the full specification, condition report and quotation.

Condition: ready for operation (used), Year of construction: 1998, MIG-MAG welding system Set welding current: 50 - 400 A Max. welding current at 45/60/100% duty cycle: 400/345/265 A Open circuit voltage: 16.5 - 45 V Standard wire feed for steel: 1.0 + 1.2 mm Wire feed speed: 1 - 20 m/min Electrical connection: 380 V Gbjdpfxowx Hz Ee Aansw Weight: 164 kg Space required: 950 x 550 x 850 mm

Condition: ready for operation (used), functionality: fully functional, No minimum price – guaranteed sale to the highest bidder! Loading: December 1st to December 10th. TECHNICAL DETAILS General data Manufacturer: Pressta-Eisele Type: KS 400 m Year of manufacture: 1995 Machine number: 9135 Gedpfs Ad Ei Hsx Aansbw MACHINE DETAILS Dimensions Length: 2,000 mm Width: 1,000 mm Height: 1,600 mm Weight Weight: 300 kg

Condition: good (used), Gas metal arc welding machine, arc welding system, MIG/MAG welding system, pulse welding system Gbjdpfx Aex Hi I Dsanjw -Manufacturer: Ess, MIG/MAG welding machine -Type: Pulsarc 350 -Max. welding power: 350 A -Water-cooled -Wire feeder case: ESS DVK 400 4-roller drive -Dimensions: 970/670/H1040 mm -Weight: 209 kg

Condition: good (used), Gas metal arc welding machine, arc welding system, MIG/MAG welding system, welding machine -Manufacturer: Messer Griesheim, MIG/MAG gas-shielded welding machine Gjdjz A R R Tepfx Aanjbw -Type: Euromag 25-2 -Max. welding power: 250 A -Wire feed: 4-roll drive, separate, mobile -Accessories: Hose assembly, ground cable (see photos) -Dimensions: 970/490/H890 mm -Weight: 168 kg

Condition: good (used), Wire feed rollers for MIG / MAG hose package, feed motor for inert gas welding device, inert gas device -with: Euro plug-in coupling -Number: 4x wire feed rollers available -Price: per piece -for a surcharge: gear motor, electric motor, direct current motor are also available Godpfx Aecgan Ijanobw -Dimensions: 285/90/H180 mm -Weight: 2.5 kg

Condition: as good as new (ex-display), Fronius TPS 2700 Pulse Device Ready to Weld ---> Scope of delivery: ➤Fronius TPS 2700 power source (270A TRANS PULS SYNERGIC) ➤Fronius hose package with display on the torch (arc, amperage jobs, etc. adjustable from the torch) ➤Ground cable 3-4m ➤Pressure regulator with new blade ➤Gas hose ➤15kg spool adapter Gbodpfjvl D Idjx Aanjw ►►► Perfect for mobile use This device is perfect for quick and mobile use. Quick to fit in the car and easy to take anywhere - yet no loss of welding quality. Also suitable for stationary use, of course. Questions: ----- How old is the machine? Our customers usually retire their devices between 3-5 years old. Sometimes more, sometimes less. What is the condition, and does the device even work properly? Yes! Everything works as it should! We disassemble, clean, replace wear parts, reassemble, and test all devices. The devices are clean; we don't have any that look completely finished! They're in great condition! Only minimal signs of wear. All pictures are original photos of our devices. They're sample images. We don't have any displays with burn holes. Can I negotiate the price with you? If you buy multiple devices, we can discuss the price. Is shipping possible? Yes, it's possible. We pack the device on a pallet and ship it insured via our shipping company. Can I view the devices somewhere? We have an online store; you can come by to pick up a device, and of course, you can also test it with us before paying. We don't have regular business hours. Everything works by appointment. All devices are assembled according to customer specifications and delivered after payment—that's our standard procedure. Do you offer a warranty? No, we don't offer a warranty. We sell like-new, used, affordable professional welding equipment, usually for 1/4 to 1/2 the new price. For the difference compared to a new device, you can buy two more from us, or you can use the savings to maintain this or several devices for many years. For example, the Fronius TPS 2700, as advertised here, costs around €8,500 new. We offer it for less than 1/3 of the new price. All prices are starting from prices; you can configure the devices with us. ...

Condition: good (used), Year of construction: 2010, machine/vehicle number: 235654, Offer 26284 Technical data: - Inverter DC welding machine for MIG-MAG – Pulse – Standard – and - E-hand (stick) welding - Welding current 330 A 25% ED - 250 A 60% ED - 210 A 100% ED - Welding current continuously adjustable from 5 to 330 A - Wire diameter steel – stainless steel – AL 1.0 / 1.2 mm - Program control M3-10 with 4 main welding programs - Digital display for welding voltage, current and parameters - Adjustable parameters: wire feed speed m/min, welding voltage correction - Dynamics, wire burn-back time, gas post-flow time, etc. - Wire feeder Drive 4 L P with 4-roller drive and program control - Roller wire feed continuously adjustable 0.25 - 24 m/min - 2-cycle + 4-cycle regulation + special functions, spot welding - Water-cooled hose pack approx. 4 m - Ground cable Gbodpe Afwylefx Aansw - Pressure regulator - Intermediate hose pack machine – separate wire feeder case 5 m - Connection 400 V - Space required approx. W 500 x H 1350 x D 1050 mm - Weight approx. 200 kg

Condition: good (used), Inert gas welding device, arc welding system, MIG/MAG welding system -Scope of delivery: without wire feed unit with hose package, according to the pictures -Manufacturer: Ess, inert gas welding machine MIG-MAG 520 MW without wire feed -Type: 520-2MW -Max. Welding power: 500 A -Water-cooled Gsdpfx Aelpi S Njanjbw -Dimensions: 1160/500/H810 mm -Weight: 303 kg

Condition: as good as new (ex-display), ►►► FRONIUS TPS 3200 SET OFFER with AW 5000 Hose Package ✅ Scope of supply: ➤ Fronius TPS 3200 power source (320A TRANS PULS SYNERGIC) ➤ Fronius FK 4000 FC cooling unit – Standard equipped with flow control, thermocontrol, and coolant filter. The cooling unit switches off if the water cooling system fails or becomes too hot, to protect the hose package. These functions cost approximately €400 more at Fronius. ➤ Fronius VR 7000 wire feeder case – Compact and practical – in our opinion, the most useful wire feeder case – the wire is safely stored in the closed case. ➤ Fronius intermediate hose package, long – each unit is supplied with a 5-meter long connecting hose package between the power source and the wire feeder case for greater flexibility and easier handling. Take the wire feeder case with you to locations that are more difficult to access! The connecting hose package is neatly attached to a hook on the side of the unit. (The hooks are manufactured by us) ➤ Fronius large trolley – Probably the best trolley with gas cylinder holder on the market. Gedpfxswbillo Aanobw ➤ Ground cable 3-4m ➤ Pressure regulator from Messer, new ➤ Spool adapter for large wire spools, new With this unit, almost all materials can be welded, including aluminum, steel, and V2A. It has filler wire programs and is also suitable for MIG brazing (Cusi), which is often used in the sheet metal industry. Additional options are available at an extra charge. e.g., Fronius Job Master hose package (display on the torch) + EUR 450.00 The first 10 buyers of a unit will receive an additional 2nd hose package free of charge. IMMEDIATELY AVAILABLE VAT INVOICE Inspection is possible in Austria, Vienna 1230! ✔ Insured shipping on a pallet is no problem! ✔ We are also available via Whatsapp and Viber. ✅ Questions ✅ Questions ✅ Questions ✅ Questions: ✅ Questions ✅ Questions ✅ Questions ✅ ►►► What is the condition of the units? For clarification, we buy like-new used units, disassemble them, check everything, and replace any worn parts if necessary. Only after a successful test weld is the unit approved for sale. "All" units are clean and have no burn marks on the displays or numerous burn marks or dents on the unit. You are buying from us an item that is also worth seeing and does not look completely worn out! ►►► Do we receive an invoice when we buy from you? Yes, you will receive a proper invoice from us. If you have a valid VAT ID, we can issue a net invoice if the requirements for an intra-community delivery within the EU are met. ►►► What payment options are available? Advance payment or cash upon personal collection. ►►► Why buy from us? We are professionals for this Fronius welding machine series and always have 60-80 units in stock – exclusively Fronius, no other manufacturers! We are familiar with these units and do not sell anything that we do not know about. All prices are starting prices; you can configure the units with us. Robot unit or hand unit. Long or short connecting hose package. Various hose packages to choose from. Synchro pulse. 270, 400, or 500 ampere units in stock. CMT version available as hand or robot unit. It is best to call us; we will discuss your application area, and you will receive an initial price estimate from us.

Condition: good (used), MIG/MAG hose assembly, MIG/MAG welding gun set, MIG/MAG welding torch -Manufacturer: Dinse, hose package with water-cooled wire feeder -Type: DIX MPZ -Length: 8 m -Connector: 5-pin -Transport dimensions: 590/500/H150 mm -Weight: 8.3 kg Gedpfxox I H Rxo Aansbw

Condition: used, ABB 2-Station Welding Robot Cell You are bidding on a professional, fully functional 2-station robot welding cell for continuous industrial use. This system is ideal for automated and highly efficient MIG/MAG welding of small to large series (e.g., in the automotive or machine construction industry). Thanks to the clever two-station principle (shuttle table/parallel stations), the operator can safely load new parts or remove finished workpieces on one side while the robot productively welds on the other side. System Components: Gbodpfx Aeztkb Nsanew 1. Industrial Robot & Controller (ABB): - Robot controller: Reliable and robust ABB S4 / S4C generation - Programming hand-held device: Original ABB Teach Pendant with joystick for precise teaching of welding paths. - Additional axes: Both stations have synchronized, motorized rotary axes (nameplate: ABB / ELMO, type: PS 60/4-50-P-LSS-3985) for optimal positioning of the workpiece in the immersion process. 2. Welding Technology (Carl Cloos Welding Technology GmbH): - Welding power source: Cloos GLC 503 QUINTO (Powerful 500A MIG/MAG system) - Cooling: Integrated liquid cooling (water cooling) for maximum duty cycle of the welding torch. - Accessories: 2x professional WDI ECORACK large container wire spools on rolling frames, including robust wire guide hoses to the robot. 3. System Control & Safety: - Control unit (HMI): Modernized Siemens SIMATIC HMI touch panel for easy control of the entire system, piece count control, and error analysis. - Safety: Complete, enclosed protective cabin (transparent walls for protection against UV radiation and welding spatter) including an integrated extraction system (hose package on the robot arm). - Inspection: The system was in industrial use until recently (including certification for well-known automotive suppliers) and has a valid DGUV-V3 inspection sticker. "Everything from one source: We would be happy to offer you a suitable bank financing option for your project." More items - new and used - can be found in our shop! International shipping costs on request!

Condition: good (used), Gas metal arc welding machine, arc welding system, MIG/MAG welding system, inverter welding machine -Manufacturer: Ess, MIG/MAG gas-shielded welding machine -Type: E1-3300 -Max. welding current: 330 A -Features: Water-cooled, remote control -Accessories: Hose assembly, ground cable (see photos) Gbodpfx Aaszrt E Uonew -Dimensions: 1020/520/H980 mm -Weight: 116 kg

Condition: good (used), MIG/MAG hose assembly, MIG/MAG welding gun set, MIG/MAG welding torch -Manufacturer: Dinse, hose package with water-cooled wire feeder -Type: DIX MPZ 2-304 -Length: 8.5 m -Connector: 5-pin -Transport dimensions: 580/450/H130 mm -Weight: 7.1 kg Godpfjx I E U Ajx Aanobw

Condition: good (used), MIG/MAG hose assembly, MIG/MAG welding torch -MIG/MAG hose assembly: Gas-cooled -Length: 4.7 m Gjdpsx Nn Rpjfx Aanebw -Type: DIX MS 330-4 SA -Transport dimensions: 400/480/H100 mm -Weight: 4.2 kg

Condition: excellent (used), Fronius TPSi 270 as a gas-cooled version with a long Job Master hose package (UP/DOWN ADJUSTABLE including DISPLAY) ✅ Scope of delivery: Gjdpfjwblkqjx Aanobw ➤Fronius TPS 270i power source ➤Fronius Job Master hose package, 4.5 meters long, with a display and all adjustment options on the torch ➤Ground cable ➤Pressure regulator Scope of delivery = photo Powerful and versatile welding machine, 270 amps, gas-cooled – lightweight and compact design – making it ideal for mobile use. Also ideal for stationary use. Available via WhatsApp / Viber ✅Questions✅Questions✅Questions: ✅Questions✅Questions✅Questions✅ ►►►How old are the devices? We receive most of the devices after they have been separated from the accounting department. Due to the high fluctuation of devices and the varying levels of previous use, we don't place much importance on the age of the devices. For us, it's crucial that every device functions perfectly! ►►►What condition are the devices in? To explain, we buy like-new used devices, disassemble them, check everything, replace wear parts if necessary, and only then, after successful test welding, is the device released for sale. "All" devices are clean and have neither burn holes in the displays nor countless burn holes or dents scattered throughout the device! You're buying an item from us that's ⭐worth seeing and doesn't look completely finished! ►►►Do we receive an invoice when you buy from us? Yes, you receive a proper invoice from us. If you have a valid VAT ID, we can issue a net invoice if the requirements for intra-community delivery within the EU are met. ►►►What payment options are available? Prepayment or cash upon personal pickup ►►►Is insured shipping possible? Yes, we will be happy to send you the purchased set, well packaged and insured, on a Euro pallet. ►►►Is there a warranty? We sell the machines at one-third the original price and unfortunately do not have the flexibility to offer a warranty. You are welcome to test the devices on-site and pay in cash. ►►►Why buy from us? We are experts in this Fronius welding system series and always have 60-80 devices in stock – exclusively Fronius, no other manufacturers! We are familiar with these devices and do not sell anything we do not know about. If you have devices that you would like to dispose of, sell, or trade in, please call us. Thank you.

Condition: used, MIG/MAG pulsed gas shielded welding machine, EWM, type Phoenix 301 Progress Puls Force Arc Serial No. Art. No.: Year of manufacture: 2007 Power: 300 amps = 60% duty cycle 250 amps = 100% duty cycle Adjustment range: stepless Open-circuit voltage: approx. 29 volts Mains connection: 400 volts, 50 Hz, 16 amps plug - Digital display for voltage and current - Pulse function - Various welding programs selectable - 2-cycle, 4-cycle and spot welding Godpfxez Afhio Aanjbw - Water-cooled - 4-meter hose package, NEW, with central connection - Welding gas pressure regulator, NEW - Welding machine equipped with 1.2 mm welding wire Space requirement L x W x H: 900 x 660 x 1550 mm Weight: approx. 160 kg Good condition - fully functional - ready for demonstration

Condition: good (used), MIG/MAG hose assembly, MIG/MAG welding gun set, MIG/MAG welding torch -Manufacturer: Dinse, hose package with water-cooled wire feeder -Type: DIX MPZ -Length: 8 m -Connector: 5-pin Gbjdpfx Aox I Icvjanew -Transport dimensions: 600/500/H130 mm -Weight: 6 kg

Condition: good (used), MIG/MAG hose assembly, MIG/MAG welding torch -MIG/MAG hose package: water-cooled Gbjdpfjx Rwa Ajx Aanjw -Length: 3.5 m -Transport dimensions: 400/360/H80 mm -Weight: 3.5 kg

Condition: good (used), MIG/MAG hose assembly, MIG/MAG welding torch Gbsdpfox Rwbgex Aansw -MIG/MAG hose package: water-cooled -Length: 4.5 m -Transport dimensions: 420/380/H80 mm -Weight: 4.4 kg