OUR SERVICES
Architecture
Metro
Automotive Part
Delicate Eletronic
Component
Gas Stove
Drying Rack
Food service
Decorative Material
Cookware
Hopper
Airvent
Watertank
CORPORATION
400 Series
Grade: 409, 430, 439, 410, 420, etc.
400 Series are primarily used for kitchenware, decorative materials, medical equipment, automotive parts, home appliances, etc.
BA/A Finish
The moderate reflective and smooth surface products are achieved by applying bright annealing and further processes on cold-rolled Cr-series stainless steel.
No. 4 Finish
The cold-rolled and bright-annealed stainless steel undergoes No.150 to No.180 mesh polishing to achieve No.4 finished products.
BA/B Finish
The light reflective surface products are produced through cold-rolling, bright-annealing, and further processes.
* Other finishes are also available up to request.
* The scratches and dust on the surfaces are produced by the sampling process. It does not stand for the quality of Grace Alloy Corp.
Please refer to the part without scratches and dust.
Chemical Composition
(For Reference)
ASTM Specification
SPEC.
ASTM
Steel Grade
C%
≤
Si%
≤
Mn%
≤
P%
≤
S%
≤
Cr%
Ni%
Mo
Cu
N%
≤
T.S.
≥
Y.S.
≥
E.%
HBW
≥
HRB
≤
HV
≤
Min-
Max
Min-
Max
Min-
Max
Min-
Max
S43000
0.12
1.00
1.00
0.040
16.0-18.0
0.75
-
-
-
450
205
22
183
89
-
S43932
0.03
1.00
1.00
0.040
0.030
17.0-19.0
0.50
-
-
0.30
415
205
22
183
89
-
S44400
0.025
1.00
1.00
0.040
0.030
17.5-19.5
1.0
17.5-2.50
-
0.035
415
275
20
271
96
-
S44500
0.02
1.00
1.00
0.040
0.012
19.0-21.0
0.60
-
0.30-0.60
0.03
427
205
22
-
83
-
S40910
0.03
1.00
1.00
0.040
0.020
10.5-11.7
0.50
-
-
0.03
380
170
20
179
88
-
S40975
0.03
1.00
1.00
0.040
0.030
10.5-11.7
0.5-1.0
-
-
0.03
415
275
20
197
92
-
S43940
0.03
1.00
1.00
0.040
0.015
17.5-18.5
-
-
-
-
430
250
18
180
88
-
S42035
0.08
1.00
1.00
0.045
0.030
13.5-15.5
1.0-2.5
0.2-1.2
-
-
550
380
16
180
88
-
* Other specifications are also available up to request.
JIS Specification
Steel Grade
C%
≤
Si%
≤
Mn%
≤
P%
≤
S%
≤
Cr%
Ni%
Mo
Cu
N%
≤
T.S.
≥
Y.S.
≥
E.%
HBW
≥
HRB
≤
HV
≤
Min-
Max
Min-
Max
Min-
Max
Min-
Max
SUS430
0.12
0.75
1.00
0.040
0.030
16.0-18.0
0.60
-
-
-
420
205
22
183
88
200
SUS430
J1L
0.025
1.00
1.00
0.040
0.030
16.0-20.0
0.60
-
0.30-
0.80
0.025
390
205
22
192
90
200
SUS430
LX
0.03
0.75
1.00
0.040
0.030
16.0-19.0
0.60
-
-
-
360
175
22
183
88
200
SUS436L
0.025
1.00
1.00
0.040
0.030
16.0-19.0
-
0.75-
1.50
-
0.025
410
245
20
217
96
230
SUS443
J1
0.025
1.00
1.00
0.040
0.030
20.0-23.0
0.60
-
0.30-0.80
0.025
390
205
22
192
90
200
SUS444
0.025
1.00
1.00
0.040
0.030
17.0-
20.0
-
1.75-
2.50
-
0.025
410
245
20
217
96
230
SUH409L
0.03
1.00
1.00
0.040
0.030
10.5-
11.75
0.60
-
-
-
360
175
25
162
80
175
SUS410L
0.03
1.00
1.00
0.040
0.030
11.0-
13.5
0.60
-
-
-
360
195
22
183
88
200
SUS410S
0.08
1.00
1.00
0.040
0.030
11.5-
13.5
0.60
-
-
-
410
205
20
183
88
210
SUS420
J1
0.16-
0.25
1.00
1.00
0.040
0.030
12.0-
14.0
0.60
-
-
-
520
225
18
223
97
234
SUS420
J2
0.26-
0.40
1.00
1.00
0.040
0.030
0.60
12.0-
14.0
-
-
-
540
225
18
235
99
247
SPEC.
JIS
* Other specifications are also available up to request.