Materials

Base Material Chemistry
Steel
Nominal composition
Actual composition
Carbon Steels
High Strength Steels
High Strength Low Alloy
Solid Solution Plus Phosphorus
HSLA/SSPP
Quenched and Tempered steels
Chromium-Molybdenum steels
Stainless steels
Aluminum
Alloy
Temper
Other

Coating
Chemistry
Nominal composition
Actual composition
Zn
Zn/Fe
Phos. Coated
Non phos. coated
Ni/Zn
Thickness
Nominal weight
Actual weight
Range
Incorrect
Stamping induced changes
Damage
Application method
Electrocoating
Hot Dip Galvanizing
Hot Dip Galvannealing

Processing
Rolling
Hot
Cold
Stamping
Hydroforming
Bending
Casting
Quenching
Tempering
Annealing
Hardening
Handling

Properties
Mechanical
Hardness
Elastic Modulus
Yield strength
Ultimate Tensile Strength
Electrical
Base material resistivity
Coating resistivity

Surface Applicants
Processing fluids
Mill oils
Die lubricants
Rust inhibitors
Joint materials
Adhesive
Sealer
Sound deadener

Work Hardening
Process induced strain hardening

Weldability
Established lobes
Hold time sensitivity
Current range tests
Electrode cap lives

Stack-up
Gages
Total nominal
Total actual
Variation
Thinned
Incorrect
Order
Multiple thicknesses
Coating orientation
Material mix

Surface Contamination
Dirt
Spatter dust
Adhesives
Sealer
Sound deadener
Oxide
Scale
Water
Hydraulic oil
Machine lubricants
Other

Surface Topography
Ground
Rolled
Scratches
Deformation
Roughness
Flatness

Age
Base material age hardening
Coating aging
Aging of films

Design
Flange width
Bend radius
Access
Joint design
Unique procedures

Fit-up
Gaps
By design
By variation
Tolerance stack-up
Short flanges
Non-flat flanges

Electrode/Workpiece Interactions
Face alloying affinity

Information presented by Production Engineering
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