The American Iron and Steel Institute (AISI) and the Society of Automotive Engineers (SAE) provide similar steel numbering systems. Steels are identified by four numbers, except for some chromium steels, which have five numbers. Define the numbers used for SAE 1020.
What will be an ideal response?
The first two numbers (10) identify the type of steel and the last two numbers (20) specify the approximate amount of carbon in hundredths of a percent (0.20% carbon).
You might also like to view...
In time, the early version of WLF construction was modified to what is now called a
A) portal frame. B) platform frame. C) skeleton frame. D) rigid frame. E) balloon frame.
You can complete a project using awk that you cannot complete using a combination of paste, cut, sort, and join.
Answer the following statement true (T) or false (F)
The stoichiometric ration for CNG is ________
A) 9 to 1 B) 8 to 1 C) 14.7 to 1 D) 16.5 to 1
Why might there be a negative pressure on the condensate outlet in a coil operating at a positive static pressure?
A) A positive static pressure is really negative compared to atmospheric pressure. B) The air velocity can create a negative pressure. C) The algae collecting in the drain pan creates a negative pressure. D) The draining water creates an internal pressure in the drain line.