Comparison table of casting production process symbols

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