308 Stainless Steel

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FAQ

It's expired. What color is it? It's better to have screenshots

I checked the relevant information about electrode idle period narrative is not found, only the storage warehouse ventilation requirements. Electrode drying. No harmful gas and corrosive medium. The temperature 10-25 degrees, humidity fifty percent. To damp. Drug skin discoloration. Core rust after drying of the electrode to assess the quality of the performance indicators meet the requirements, can be assured.From the point of view of the situation (I used to put blind, for six years), medicine skin color. There are core electrode drying after rust still use, do not feel abnormal, (of course not weld inspection index). But there have been coating stripping or drying after stripping, can not use.Cast iron electrode used before heating up to 150 degrees, heat preservation 2 hours, and then use how much, how much can be used, or else there will be a lot of pores,

2.5, 3.2, 4, 1 kilograms of welding wire, how many branches?

4 mm welding rod, a package of 5 kilograms, how many roots?

How big is the maximum electrode and how big is the minimum electrode?!

The electrode current is basically proportional to its diameter.Electrode diameter (mm) 1.6, 2, 2.5, 3.2, 4, 5, 6.Welding current (A) 25~40, 40~65,50~80, 100~130, 160~210, 200~270, 260~500.

How to keep the welding electrode well?

Hold in the clinker to prevent moisture!

What kind of welding rod needs baking?

Ordinary carbon steel electrode without baking, it is necessary to roast pig iron electrode can improve the quality of welding electrode 2, the storage time is too long when damp, but not the core rust, coating without deterioration, electrode after drying, can keep the original performance and does not affect the use.The electrode drying conditions of various types of drug skins are as follows (reference value):The baking temperature of acid welding rod is 150~200 1HThe baking temperature of alkaline welding rod is 350~400 1HThe baking temperature of cellulose electrode is 80 DEG C and the temperature is 1.5 ~ 2HThe baking temperature of graphite type electrode is 200 1HNOUN interpretation:ElectrodeThe electrode (covered electrode) welding or welding filler metal in melting joint welding of the workpiece. Consists of two parts covering and core wire. Depending on the melting of the crust and filling the metal into the weld, it becomes the main component of the weld metal, which is called a welding rod.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.

J422 electrodes are marked with "THJ422". What does TH represent?

J422 is the brand of welding rod GB. As for the TH is the enterprise stipulated grades, the first letter T should be on behalf of the welding electrode (strip of the first letter); second letters H, should be related to the electrode trademark or manufacturer's name.

How to weld stainless steel electrode?

Before welding, welding electrode drying, welding current is a little smaller, small current fast welding. These are the corresponding welding material packaging, you can refer to.

What's the type of electrode used for 304 stainless steel?

304 stainless steel is the United States brand, equivalent to the domestic brand 06Cr19Ni10, usually with A102 or A107 welding rod.The selection of reference electrode parent material, selection and composition of base metal electrode in the same or similar; owing to the great influence of carbon content on corrosion resistance of stainless steel, stainless steel weld metal carbon content is higher than that of base material. A102 is Cr19Ni10 stainless steel electrode titanium calcium type coating, corrosion resistance of the deposited metal has good mechanical properties and resistance to intergranular, has excellent welding performance and anti porosity property, anti cracking, red medicine Pinai. A107 is a Cr19Ni10 stainless steel electrode with alkaline coating. The deposited metal has good mechanical properties and intergranular corrosion resistance. Therefore, they are aimed at 304 development of welding electrodes.