Safety
Welding Symbols
Discontinuities
Metallurgy
Math
100

Protects the face from flying particles.

Face Shield

100

Core parts of a welding symbol

Arrow, reference line

100

A crack is the _____ severe type of discontinuity.

most
100

Aluminum conducts heat at a ______ rate than steel.

Faster/Higher

100

Total angular measure of any triangle

180*

200

A respirator is used when welding metals that give off _____ fumes.

toxic

200

Uses to describe other notes,

Tail

200

Excessive current, high travel speed, and improper work angle will result in ________.

Undercut

200

In _______ testing the weld piece is pulled until it breaks.

Tensile

200

Area of a triangle

Height X Base Length

300

Used to pick up hot metal

Pliers

300

A circle at the junction of the arrow and reference line indicates ____.

Weld all around.

300

Internal weld defects can be inspected using _______. (Other than lamination)

Radiographic Testing (X-Ray)

300

Stainless Steels are the _____ versatile family of metals.

Most

300

Circumference=

Pi x Diam. or (2Pi)r

400

Document containing information about any chemical making up 1% or more of a product

SDS

400

Length and Pitch are found to the _____ of the weld symbol.

right
400

__________ occurs when weld metal flows onto unwelded base metal without fusing.

Incomplete fusion (Overlap)

400
A ___ is a certification issued by the manufacturer verifying the chemical analysis and mechanical test properties of stock obtained from a starting ingot or billet of metal.
mill test report (MTR)
400

Area of a circle

Pi X r X r or Pi r^2

500

OSHA was founded in ____.

1971

500

A number to the left of a groove weld symbol in parentheses indicates _____.

weld size

500

_______ shrinkage is shrinkage that occurs perpendicular to the weld axics.

Transverse

500

The crystal structure and grain structure of metals is known collectively as the ________ ________.

Metalurgical Structure

500

Formula for figuring degrees of a circle

Formula= (O.D x PI) / 12) / 360* = 1* x Number of Deg = Distance from 0*

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