E70T-1C - Flux Cored Welding Wire
Used for welding structures made of carbon steel and ow-alloy structural steel with tensile strength higher than orequal to 490MPa.Most widely used for welding some key structures like shipbuilding,mechanical manufacture,pressure vessels,boilers,petroleum machinery,chemical machinery, hoisting machinery,etc.
What is E70T
is a metal cored wire for flat or horizontal fillet MAG welding of mild and 490N/mm² high tensile steel.With high welding speed,good bead appearance, excellent arc stability and low spatter generation.Slag is less and multilayer welding can be performed without removing slag.
How E70T Works
During welding, the flux core of the E70T wire generates a protective gas shield when it reacts with the heat of the arc. This shield protects the weld pool from atmospheric contamination, ensuring a clean and stable weld bead. The self-shielding nature of E70T makes it highly convenient for outdoor and windy conditions where using an external shielding gas may be challenging.
Our E70T welding consumable is composed of several key components that work together to ensure optimal welding performance. The product structure includes:
- Steel Core: The steel core provides the strength and structural integrity to the welding wire, enabling smooth feeding through the welding torch.
- Flux Compound: The flux compound is situated within the core of the wire and is responsible for generating the shielding gas during welding.
- Outer Sheath: The outer sheath acts as a protective layer for the core, ensuring the integrity of the welding wire during storage and handling.
Typical Chemical Composition of welding wire(%) | |||||
C | Mn | Si | P | S | Others |
0.05 | 1.47 | 0.41 | 0.013 | 0.008 |
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Typical Mechanical Properties of Deposited Metal(100%COz) |
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Yield Strength ReL (Mpa) | Tensile Strength Rm(Mpa) | Elongation δs(%) | mpact test | ||
Temperature (℃) | Impact Energy KVz(J) | ||||
480 | 560 | 29 | -20℃ | 120 | |
Reference Current (DC+) | ||||
Wire Diameter(mm) | φ1.2 | φ1.4 | φ1.6 | |
Current Range(A) | F | 150～350 | 170～400 | 200～450 |
FF | 180～350 | 200～350 | 270～400 | |
Packing terms | |||||
Diameter | 0.8mm | 0.9mm | 1.0mm | 1.2mm | 1.6mm |
Plastic spool 1kg D100mm | √ | √ | √ | √ |
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Plastic spool 5kg D200mm | √ | √ | √ | √ | √ |
Plastic spool 15kg D270mm | √ | √ | √ | √ | √ |
Drum packing 100-250kg |
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AWS A5.20: Specification for Carbon Steel Electrodes for Flux Cored Arc Welding – This standard provides requirements for carbon steel flux-cored electrodes used in the gas shielded arc welding process.
ISO 17632-A: Classification of Wire Electrodes, Wires, and Rods for Gas Shielded Metal Arc Welding of Non-Alloy and Fine Grain Steels – This standard classifies wire electrodes, wires, and rods used in gas shielded metal arc welding of non-alloy and fine grain steels, including E70T.
AWS A5.36: Specification for Carbon and Low-Alloy Steel Flux Cored Electrodes for Flux Cored Arc Welding and Metal Cored Electrodes for Gas Metal Arc Welding – This specification covers the requirements for carbon and low-alloy steel flux-cored electrodes used in flux-cored arc welding and metal cored electrodes used in gas metal arc welding.
ISO 14341: Welding Consumables – Wire Electrodes and Deposits for Gas Shielded Metal Arc Welding of Non-Alloy and Fine Grain Steels – This standard specifies requirements for wire electrodes and deposits for gas shielded metal arc welding of non-alloy and fine grain steels, including the classification of E70T.
Compliance with these standards ensures that E70T welding wire meets the necessary quality and performance requirements for gas shielded metal arc welding of carbon steels and low-alloy steels. It is essential to use welding consumables that conform to these standards to ensure safe and reliable welding operations.
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