Properties
Type
Basic unit
Physical properties
Mechanical properties
Classification
JIS
(SUS)

Nisshin
(NSS)

Specific
gravity
g/cm³
Modulus of
elasticity
10³N/mm²
Average
modulus of
thermal
expansion
Thermal
conductivity
W/m·ºC
Tensile test
Hardness test
20-100ºC
100ºC
Yield
strength
N/mm²
Tensile
strength
N/mm²
Elongation
%
HB
HRB
HV
Austenitic
Type
301L
-

7.93

194
16.9
16.3
>210
>530
>40
-
<90
<200
301
-
7.93
194
16.9
16.3
>205
>520
>40
<187
<90
<200
304
-
7.93
194
17.3
16.3
>205
>520
>40
<187
<90
<200
-
304S
7.93
194
17.3
16.3
>205
>520
>40
<187
<90
<200
-
304M2
7.93
187
17.3
16.3
>335
>660
>50
-
<86
<175
304L
-
7.93
194
17.3
16.3
>175
>480
>40
<187
<90
<200
-
305M1
7.93
194
17.3
16.3
>175
>480
>40
-
<90
<200
-
302B
7.93
194
16.2
15.8
>205
>520
>40
-
-
<220
309S
-
7.98
205
14.9
15.2
>205
>520
>40
<187
<90
<200
-
ER-1
7.75
205
15.5
14.6
>255
>520
>45
-
<95
<220
310S
-
7.98
205
14.4
14.1
>205
>520
>40
<187
<90
<200
316
-
7.98
194
16.0
16.0
>205
>520
>40
<187
<90
<200
316L
-
7.98
193
16.0
16.0
>175
>480
>40
<187
<90
<200
316J1
-
7.98
187
16.6
16.0
>205
>520
>40
<187
<90
<200
316J1L
-
7.98
192
16.6
16.0
>175
>480
>40
<187
<90
<200
317
-
7.98
194
16.0
16.0
>205
>520
>40
<187
<90
<200
317L
-
7.98
194
16.0
16.0
>175
>480
>40
<187
<90
<200
321
-
7.93
194
16.7
16.0
>205
>520
>40
<187
<90
<200
347
-
7.98
194
16.7
16.0
>205
>520
>40
<187
<90
<200
-
SCR
7.75
194
16.7
16.0
>255
>520
>45
-
<95
<220
Ferritic
Type
SUH409
-
7.75
194
10.8
23.8
>175
>300
>22
<162
<80
<175
-
409M1
7.75
202
9.9
23.8
>195
>360
>25
-
<80
<170
405
-
7.75
202
10.8
23.8
>175
>410
>20
<183
<88
<200
430
-
7.70
201
10.4
26.2
>205
>450
>22
<183
<88
<200
(430LX)
430M2
7.70
197
10.4
26.2
>175
>360
>28
-
-
<170
(430LX)
430M4
7.70
201
10.4
26.0
>205
>450
>22
-
<88
<200
-
430M3
7.70
202
10.4
26.0
>205
>450
>22
-
<88
<200
434
-
7.70
202
10.4
26.2
>205
>450
>22
<183
<88
<200
-
442M2
7.70
202
10.4
26.0
>205
>450
>22
-
<88
<200
-
442M3
7.70
201
10.4
26.2
>205
>450
>22
-
<88
<200
(444)
444N
7.75
201
10.4
26.2
>245
>410
>22
-
<88
<200
-
445M2
7.75
205
10.0
22.5
>205
>450
>22
-
-
<220
(410L)
410M1
7.75
202
9.9
23.8
>195
>360
>25
-
<85
<170
-
NCA-1
7.35
201
10.0
23.8
-
>490
>20
-
<95
<220
-
NCA-2
7.75
201
10.0
23.8
-
>490
>20
-
<95
<220
Martensitic
Type
403
-
7.75
202
9.9
23.8
>205
>440
>20
<200
<93
<210
410
-
7.75
202
9.9
23.8
>205
>440
>20
<200
<93
<210
410S
-
7.75
202
9.9
23.8
>205
>410
>20
<183
<88
<200
-
410M4
7.75
202
9.9
23.8
>205
>410
>20
-
<88
<200
420J1
-
7.75
202
10.3
23.8
>225
>520
>18
<223
<97
<234
420J2
-
7.75
202
10.3
23.8
>225
>540
>18
<235
<99
<247
-
(WNR4034)
7.70
220
10.5
24.2
-
580-780
-
<245
-
-
High
Tensile
Type
-
HT980
7.75
203
10.8
20.5
>735
>880
>3
-
-
<290
-
HT1770
7.75
207
10.9
15.9
1470-1865
-
-
-
-
<400
-
HT1960
7.80
190
12.3
15.0
-
1570-2060
-
-
-
-
Dual-phase
Type
-
431DPI
7.73
201
10.5
26.1
-
-
-
-
-
260-300
 
001