6013 is normal arc electrode which is used for light jobs like sheet welding or tank
making but when it comes to heavy construction jobs where strength required
is more 7018(Low Hydrogen) Arc Electrode is used like boilers, heavy structures
etc. Working with 6013 is far easier than 7018, which requires welder's skills.
Neatness in finishing is also more with 6013 than 7018.
any further info. on construction : nangalsuri@rediffmail.com
Surinder Singh
what is the difference between 7018 and 7018-1
Almost all electrodes have a series of numbers to tell #1 what the tensile strength of the weld will be, #2 what electrical current to use, #3 what position/s it can be used in (ie: flat, vertical etc.) Ex. E - 7018. E = electrode, 70 = 70,000 lbs tensile strength, 1 = all positions, 18 = AC or DC reverse polarity current. (welding lead +)
what is the difference between 7018 and 7018-1
Actually 7018 is a low hydrogen electrode. Some electrodes produce a gas containing hydrogen to protect the molten puddle from oxygen which can destroy the metal. (Oxidization = rust) The 18 series produces very little if any hydrogen. These electrodes must be kept dry as moisture is water (H2O- 2 parts hydrogen one part oxygen).
The only time I welded corten I used 7018 electrodes. I was told that elements in the corten mixed with the electrode in the weld giving it rust resistant capabilities.
What the amperes of used electrode of 7018?Read more: What_the_amperes_of_used_electrode_of_7018
6010 penetrates deeper than 7018 does. It is a "fast freeze" rod - the puddle solidifies quickly. There's not much slag and it chips off easily. It also requires DC electrode-positive polarity. If you have an AC-only welder like a Lincoln AC-225, get 6011 which is almost the same rod but it will run on either AC or DC. Most guys who use 6010-series rods are welding pipe. Guys who weld bridge decking grab this rod first because of its penetration. 7018 is a rod with low-hydrogen flux. It produces a LOT prettier weld than the 6000-series rods do, but it's got to be stored in a rod oven because moisture in the air changes the way it welds. These are generally used for structural welding. These are two of the most general-purpose rods out there.
According to Lincoln Electric's website, "H4" identifies electrodes meeting the requirements of 4 ml average diffusible hydrogen content in 100g of deposited weld metal when tested in the "as-received" condition.
7018 structural 6010 root, 7018 cover for pipe
a welding rod
The GCF is 2.
a welding rod
Days of Our Lives - 1965 1-7018 was released on: USA: 6 May 1993
All SMAW electrodes have letter and number designations. Those used for welding steel have a letter E (Electrode) followed by 4 or 5 numbers and may be followed by number/letter designations. Basically the first 2 or 3 numbers give you the tensile strength of the weld deposit in thousands of pounds per square inch ie: 6013 refers to 60,000 PSI of tensile strength. 11018 would mean 110,000 PSI of tensile strength. The next number stands alone ie: 1 means it can be used in all 4 positions flat,horiz.,vert.,and overhead. The last 2 numbers are taken together and designate the basic ingredient of the coating mix plus what type of electrical current is to be used. ie: 13 can be used with AC or DC straight/reverse polarity current. A chart can be obtained to tell you what the basic ingredient in the mix is although in most instances this is not that important. Some steel electrodes have letter/number designations after and usually refer to the batch number so that any problems encountered can be traced back to production. ie: E-7018 B2