Low Alloy Steel Electroderod of low-alloy steel class, high-tech production has many grades, of course, also have different types, characteristics and uses of various grades of low-alloy steel electrodes. Melt filled in the workpiece at the junction of the metal strips in the welding electrode (covered electrode) or welding. The material of the wire is usually the same as the material of the workpiece.
Low alloy steel electrodes, electrode (coveredelectrode) metal core welding coatings (drug leather) uniform pressure to the carefully painted on welding core. Core welding electrode metal core, in order to ensure the quality and performance of the weld, butt core content of metal elements, there are stringent regulations, especially the content of harmful impurities (such as sulfur, phosphorus, etc.), should be strictly limit, is superior to the base material.
High alloy steel, aluminum, copper, cast iron and other metal materials, welding core components in addition to the requirements of the weld metal similar, the same should control the content of impurities, and press process requirements often by adding certain alloying elements.
Electrode that is coated with a drug skin for SMAW melting electrodes used, it is composed by the drug skin and core welding two parts. In the electrode front medicine skin has a chamfer of about 45 °, which is in order to facilitate arc starting. In the tail section of bare core wire, welding rod total length about 1/16 to facilitate the welding forceps and is conducive to the conductive. The diameter of the wire Chung actually refers to the diameter of the core wire) 2,2 5,3. 2 or 3, 4, 5 or 6mm several specifications used small 3.2, small, small 5 III species, its length "L" is generally between 250 ^ -450 mm.
The main purpose of the
Low Alloy Steel Electrodeselectrodes Description: grades GB standard AWS standard drug skin type welding power Low hydrogen type J107 E10015-G DC + Suitable for welding tensile strength equivalent to about 980Mpa high strength low alloy steel. Low-hydrogen J107Cr E10015-G DC + Suitable for welding tensile strength greater than 980Mpa grade low alloy high strength steel. Such as 30CrMnSi, 35CrMo. J506R E5016-G E7016-G low hydrogen AC, DC welding + suitable for low temperature and high toughness materials, such as oil platforms, ships and high-pressure container structure welding. J506RH E5016-G E7016-G low hydrogen type AC, DC + applies to E36, D36, A537 and other low-alloy steel structural welding. Such as offshore platforms, ships, pressure vessels Low-hydrogen DC J507FeNi E5018-G E7018-G + suitable for medium carbon steel, low temperature steel pressure vessel welding, such as 16MnDR. Low-hydrogen DC J507Ni E5015-G E7015-G + suitable for medium carbon steel, low temperature steel pressure vessel welding, such as 16MnDR. Low J507NiTiB E5015-G E7015-G-hydrogen DC + for vessels, boilers, pressure vessels, mining, engineering machinery, marine engineering structures and other important structural welding.
Welding Wires wire features: With good abrasive wear resistance, impact resistance to wear, resistance to adhesive wear (intermetallic wear), high temperature wear and corrosion resistance wear and resistance to two types of the above composite wear performance. Surfacing wear wire Category: 1 bit) according to their chemical composition can be divided into two categories; surfacing wear-resistant wire of iron-based and non-iron-based hardfacing wear-resistant wire. Each category according to the characteristics of the chemical composition or microstructure, is divided into a number of subclasses. Such as the iron-based surfacing of wear-resistant wire can be divided into high-chromium alloy surfacing of wear-resistant wire, tungsten carbide hardfacing wear resistant wire, etc., can be divided into non-iron-based hardfacing wear resistant wire bit cobalt-based surfacing Nickel Alloy Welding Wireand nickel-based surfacing wear wire; 2) wire structure can be divided into solid wires and cored (also known as tubular) wire; 3) the welding processes can be divided into gas shielded arc, submerged arc welding, flame welding, plasma welding and spraying (welding) with the surfacing of wear-resistant wire. The advantage of using surfacing wear-resistant wire: 1) cost savings. To achieve the required re-surfacing of wear parts than the replacement of worn parts can go to 25% -75% of the cost savings; 2) to improve the working life. Compared with no surfacing metal pieces, the surfacing metal parts depending on their use range can increase 30% - 800% of the service life.