ferrous metals - stainless steels

Question 1

cres contains

Answer 1

large amounts of chromium and nickel

Question 2

cres characteristics

Answer 2

extremely corrosion resistant

Question 3

3 chemical structure grades

Answer 3

1. austentic
2. ferritic
3. martensitic

Question 4

how to gain austentic

Answer 4

held above critical temp then cooled slowly

Question 5

magentic chemical structure

Answer 5

ferritic
martsentic

Question 6

how to gain martsentic

Answer 6

developed from austentic steels and rapidily quenched

Question 7

martsentic characteristics

Answer 7

hard, strong and resistant to erosion and abrasion

Question 8

steel identification xxxx

Answer 8

Xxxx = principal alloying element
xXxx = further alloying element
xxXX = percentage of carbon content