The 1 designates an all position electrode 2 is for flat and horizontal positions only.
Sheet metal numbering system.
In many cases the astm aisi.
Astm aisi or sae number of the material.
While 4 indicates an electrode that can be used for flat horizontal vertical down and overhead.
With the proliferation of the types of metals there is an equal growth in how metals are classified.
Standard material number.
The last 2 digits taken together indicate the type of coating and the correct polarity or current to use.
The different series e g.
1000 2000 etc are divided according to each alloy added to the aluminum.
Here you find the material number 718 in the.
Aluminum stock is classified with four digit numbers just like steel.
Sometimes ist easier to search for uns n 718 in the field std.
Whitehall personalized cast metal address plaque custom house number sign arched rectangle 12 x 7 25 black with gold numbers 4 9 out of 5 stars 1 248 39 99 39.
To help this blog will explain the gauge system and features a sheet metal gauge chart.
Or sae material number is part of the.
The standard material number uns n07718.
In this system metal class the principal alloying agent and the average carbon content percentage are detailed.
When working with sheet metal it is common for the term gauge to be used someone unfamiliar with the gauge system may not understand what is meant by 18 gauge steel for example.