Novelis
Alloy Series
Skimming
Sampling
OA
100

3X30

Highly circular

Low carbon

Industry Frontrunner

100

6XXX main alloying element

Magnesium and silicon

100

Type of dross from the main hearth

White

100

Sampling tools

ladle 

mold

water bath

100

What does OA mean

OFF Analysis

200

Cultural Beliefs

BE Open

Build Trust

Say Anything

BE Authentic

200

2XXX Main alloying element 

Copper

200

Type of dross from the side well

Black

200

PPE for sampling 

All

200

What are the 5 main causes of a OA

Temperature

Stirring 

Cleanliness

Scrape Markings

Recycle Chemistry (Mismarked scrap) 

300

5S's

Sort

Set in order

Shine

Standardize

Sustain

300

3XXX Main Alloying element 

Manganese (or manganese+ magnesium)

300

How long should you skim the main 

10 mins

300

How many samples do you take

3 :heater and two after

300

Can dross effect your chemistry 

yes

400

The 7 OP care Points

Machine cleaning

Lubrication

Inspection

Safety Checks

Minor Adjustments/repairs

Monitoring

Documentation

400

4XXX Alloy Series Main alloying element

Silicon

400

this reaction occurs when dross is excessively hot

Thermiting

400

Why take a heater sample

to warm up the mold and clear out any impurities

400

To low of temperature can result in What

Unmelted Hardeners or hardeners not showing up

500

Novelis created the first and largest closed loop system for what type of aluminum

Automotive

500

5XXX Main alloying element

Magnesium

500

How do you prevent thermiting 

Eliminate oxygen 

500

What do you do with the samples after you get them

Q-lab

500

What are the things you do in order if you are OA

Hint there are 3

1. Verify temperature 

2. Stir the bath

3. Resample