Steel_Part_3

Steel_Part_3 - Steels Part 3 Designation Scheme AISI-SAE Generally number system a 4-digit number Read as 2 two-digit pairs 1080 ten eighty 4140

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Steels Part 3
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Designation Scheme: AISI—SAE number system Generally a 4-digit number Read as 2 two-digit pairs 1080 ten eighty 4140 forty-one forty 8620 eighty-six twenty
Background image of page 2
The first two digits represent chemical family 10 = plain carbon (no intentional alloy additions) Other = alloyed steel Last two digits designate the “points” of carbon (i.e. carbon content) One point = 0.01% 1080 = plain carbon steel with 0.80% carbon 4140 = alloy steel with 0.40% carbon
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Heat Treatment: Any elevated temperature process whose intended purpose is to alter the structure and properties of a material Typically associated with establishment of final properties
Background image of page 4
A family of treatments exists to facilitate ease of manufacture Weaken (less force required for shaping) Enhance ductility Enhance machinability Equilibrium conditions produce the weakest, most ductile structures Slow cools Long times at elevated temperatures Guiding Tool: equilibrium phase diagram
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/20/2008 for the course MET 121 taught by Professor Kohser during the Spring '07 term at Missouri S&T.

Page1 / 17

Steel_Part_3 - Steels Part 3 Designation Scheme AISI-SAE Generally number system a 4-digit number Read as 2 two-digit pairs 1080 ten eighty 4140

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online