Type of ALSTAR
Specification designation
 
 
Type of ALSTAR
  Table.1 Type of ALSTAR
Type
Nisshin Symbol
ASTM Symbol
Commercial quality
C
CQ
Drawing quality
D
DQ
Deep drawing quality
E
DQSK
   
Post treatment
  Table.2 Post treatment of ALSTAR

Post treatment type

Symbol
Oil
MO
Chromate
N
Chromate and Oil
NO
 
Coating Mass
  Table.3-1 Coating Mass of ALSTAR (Nisshin Standard)

Mass
Symbol

Minimum mass
on both sides
(g/m²)
Standard coating mass
on both sides
(g/m²)

Corresponding
coating thickness
(µm)

40
40
60
22
60
60
90
33
80
80
120
44
100
100
150
55
120
120
180
67
Notes 1.
Minimum mass on both sides is an average obtained by the triple-spot test.
2.
Corresponding coating thickness means the total thickness of coating on both sidescorresponding to the standard coating mass.
  Table.3-2 Coating Mass of ALSTAR (ASTM(A463))
Mass
Symbol
Minimum mass
on both side
(ox/ft²)
Minimum mass
on both side
(g/m²)
T1-25
0.25
75
T1-40
0.40
120
Notes 1.
Minimum mass on both sides by the triple-spot test are based on ASTM standard.
 
Example of designation
 
 
001