Symbol name comparison table
In Latin letters
Company
Company
Symbol name
call
Symbol
Four one names
Chinese and English
Chinese and English
Kilogram (mass unit
Kg
A) austenite, conductive
L
② Annealing treatment
Liquid phase
AE. Critical temperature ℃ under heating
Upper critical temperature of AC hypoeutectoid steel during heating - ℃ M
ACM hypereutectoid steel heating upper critical temperature - meters (length unit)
Mg (mass unit)
In
Mm (length unit) 1-
Temperature
Critical temperature under cooling
NM
Square millimeter (area unit) 2
T
Mm
Normalized and tempered
Martensitic transformation start temperature (or
Impact toughness (u-notch-j / cm3ms
AK
The final temperature of martensitic transformation (or
Temperature
Shock absorption energy (V-notch test 1)
J MI
MPa (pressure, pressure, should be added-
Bainite
Centimeter (unit of length)
Unit)
Square centimeter (unit of area)
normalizing
Elastic modulus
Normalizing and tempering of guangpaxpax
E
NNT twice normalizing plus Guohuo - ℃ single
Oil mesh - ℃ centigrade
Ferrite
pearlite
FEC cementite
P
Homogenization treatment
-℃
H
The essence of fire
Q
Solution treatment
HB Brinell hardness number (hardness unit)
T
Troostasis
HRB Rockwell B scale hardness number (hardness
Unit)
HRC Rockwell C scale hardness number (hardness 1
Ton (mass unit)
Joule (unit of work)
Unit)
Wo
Water, essence
Temperature
Shore hardness number (hardness unit)
Kelvin (thermodynamic temperature unit)
K