Comparison table of casting production process symbols

2020-10-26

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