Welding Wire ER70S-6 CO2 Low Price and High Quality in China

Ref Price:
Loading Port:
Payment Terms:
Min Order Qty:
10 m.t.
Supply Capability:
10000000 m.t./month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

1.Detailed introduction to CO2 welding wire ER70S-6:

General Description: the welding wires has the characteristics of excellent technical performance,fast melting speed, high efficient fusion, stable electric arc, less welding splash,favorable wetness performance,average & beautiful welding seam,good anti-oxygenic & anti-corrasive property, less sensitive to the atmosphere holes. It can be shielded by means of DC(±), CO2 or the combination of Ar+CO2 5-10%. Easy to operate and is suitable for the automatic and semi-automatic omnibearing welding. Applications: Mainly used in welding of carban steel, low alloy steel & 500MPa grade low alloy high intensity steel,Widely used in vehicle, building, bridge, shipbuilding & pressure vessel industry,it can also be used in the high speed welding of thin steel plate and pipeline.

2. Features to CO2 welding wire ER70S-6:

CO2 Gas-sheilded welding wires have excellent mechanical performance such as fast depositing speed,high depositing effciency,stable arc,little splash,good welding seam.
suitale for all-position welding work.
widely used to welding low carbon steel and low alloy steel structure,such as ships,vehicles,bridges,boils and buildings etc.

3.THQ-50C (AWS ER70S-6) Technical parameter:

Chemical composition of all-weld specimens(%)














Mechanical properties of all-weld specimens

Test Item

Tensile Strength



Yield Strength








Assured result





Welding Current Reference(DC)











4.Welding wire ER70S-6 image:

Welding Wire ER70S-6 CO2 Low Price and High Quality in China


We have organized several common questions for our clients,may help you sincerely: 

①How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Can invert welding machine use acid welding rod?
Inverter welding machine can use acid welding rod, acid electrode: slag with acid oxide based electrode."Inversion" and "rectification" are two opposite concepts. Rectification is the process of converting alternating current into direct current, while inverter is the process of changing direct current into alternating current. The arc welding power source adopting inverter technology is called "inverter welding machine"".The working process of inverter welding and cutting equipment, is a three-phase or single-phase 50Hz AC rectifier, filter get a smoother DC inverter circuit composed of IGBT or fet the DC 15 ~ 100kHz AC, the main frequency step-down transformer, rectifier and filter to obtain stable DC output again the welding current (or again the required frequency of the inverter output AC). The control circuit of inverter welding and cutting equipment is given by the circuit and driver circuit etc., by processing the signals of voltage and current feedback loop control, realize the control technology, using pulse width modulation PWM as the core, constant current characteristic and excellent welding process effect to obtain rapid pulse width modulation.
Q:What grade of welding rod is used for three grade steel welding?
The type and quality control requirements of welded joints are shown in the welding procedure for steel bars, JGJ 18E43xx can only be used for Grades 1 and 2Checked:3 grade steel, according to the form of welded joints: E5003, E5503 and so on
Q:Does construction welding rod need to be re examined?
No, ask the supervisor? The main routine is to send the materials, such as welding flux, etc...
Q:How to keep the welding electrode well?
1., placed in a dedicated electrode oven, to prevent moisture, 2. categories placed, to prevent confusion of different electrodes
Q:3.2 how much is a package of bridge electrode
This depends on what kind of electrode, such as J422 welding rod, 3.2mm package is five kg, the price is about twenty yuan. If it is J507 electrode and so on, the price will be higher, such as A132 and other stainless steel prices will be much higher.The electrode (coveredelectrode), is the metal coating in the welding core (coating), uniform centripetal pressure applied to core. The core metal cored electrode, in order to ensure the quality and performance of the weld, there are strict rules on the contents of metal elements in the core, especially for harmful impurities (such as sulfur, phosphorus content, etc.) should be strictly restricted, better than the base metal. The electrode consists of two cores and coating composition. The different cores are also different. The core components directly affect the composition and properties of the weld metal, so the harmful elements in the welding core to as little as possible.For welding of carbon steel and low alloy steel welding core, are mostly made of low carbon steel as the core, and adding manganese, silicon, chromium, nickel and other components (see wire national standard GB1300 - 77). The reason of low carbon is a low carbon steel wire plastic, wire drawing is relatively easy, on the other hand can reduce the CO content of reducing gas, reduce spatter or porosity and increased weld metal solidification temperature, favorable for overhead welding. The addition of other alloy elements mainly guarantees the comprehensive mechanical properties of the weld, and also has some effect on the welding process performance and the removal of impurities.
Q:Shelf life of stainless steel electrode
Stainless steel welding rod shelf life, good preservation for two years, do not damp. Stainless steel electrode can be divided into chromium stainless steel electrode and chromium nickel stainless steel electrode, these two kinds of welding rod in accordance with national standards, according to the national standard GB/T983-1995 examination. Chromium stainless steel has certain corrosion resistance (oxidizing acid, organic acid, cavitation erosion), heat resistance and corrosion resistance. It is usually chosen as power station, chemical, petroleum and other equipment materials. But chromium stainless steel generally weldability is poor, should pay attention to welding process, heat treatment conditions and choose the appropriate welding rod. Chromium nickel stainless steel electrode has good corrosion resistance and oxidation resistance. It is widely used in chemical, chemical fertilizer, petroleum and medical machinery manufacturing. In order to prevent intergranular corrosion due to heating, the welding current should not be too large, less than 20% of the carbon steel electrode, the arc should not be too long, the inter layer is cold, and the narrow welding bead is suitable.
Q:What is the difference between tin strip and electrode?
Tin is made of tin and has a low melting point. It is commonly used for the connection of small items such as circuit connections of integrated circuits. The principle is that the crystal is melted by heatingThe outer electrode is a mixture of phosphorus and other combustible material, the middle is iron, high melting point, used to connect large metal objects, the work is a glare, hurt the eyes, the working principle is the crystal of heat melting and high pressure arc discharge
Q:What type of welding rod is needed for the construction of three grade steel bars used in construction?
Three grade steel is welded with J502 (E5002) structural steel electrode, and AC DC welder can.Three rebar: the new standard name for HRB400 steel, three steel for the old, as a kind of hot rolled ribbed bar. In construction, three - grade rebar is called the past.The steel manufacturers in China are mainly distributed in the north and northeast, North China, Tang Gang, such as Shougang steel, bearing steel, Shanxi steel, Baoding iron and steel Zhongyang Puri, northeast regions such as northern Taiwan, Fushun Steel resistant, etc., these two regions accounted for more than 50% of the total output of thread steel.The difference between round bar and round bar is that the surface has longitudinal ribs and transverse ribs, usually with two longitudinal ribs and transverse ribs uniformly distributed along the length direction. The rebar is a kind of small section steel, mainly used for the skeleton of reinforced concrete construction members. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.
Q:What kind of material is E4303 electrode?
E4303 is the international standard, the J422 electrode is a common name, it is a kind of acid electrode, titanium calcium coating, J structural steel electrode, 42 42kg/mm2 tensile strength of weld metal, melting the tensile strength of not less than 420MPa
Q:What are the symbols for the electrodes?
Of this you can copy our go there in the bar in the symbol of intelligent ABC software also has the keyboard right click

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range