Gradi di acciaio inossidabile
|
Tipo
|
Grado
|
Grado
|
Componente chimico %
|
C
|
CR
|
Ni
|
Mn
|
P
|
S
|
MO
|
Si
|
Cu
|
N
|
Altro
|
Austenitico
|
201
|
US201
|
≤0.15
|
16.00-18.00
|
3.50-5.50
|
5.50-7.50
|
≤0.060
|
≤0.030
|
-
|
≤1.00
|
-
|
≤0.25
|
-
|
202
|
US202
|
≤0.15
|
17.00-19.00
|
4.00-6.00
|
7.50-10.00
|
≤0.060
|
≤0.030
|
|
≤1.00
|
-
|
≤0.25
|
-
|
301
|
1.4310
|
≤0.15
|
16.00-18.00
|
6.00-8.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
≤0.10
|
-
|
302
|
1Cr18Ni9
|
≤0.15
|
17.00-19.00
|
8.00-10.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
≤0.10
|
-
|
303
|
1.4305
|
≤0.15
|
17.00-19.00
|
8.00-10.00
|
≤2.00
|
≤0.20
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
303 se
|
Y1Cr18Ni9Se
|
≤0.15
|
17.00-19.00
|
8.00-10.00
|
≤2.00
|
≤0.20
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
Se 0.15
|
304
|
1.4301
|
≤0.07
|
17.00-19.00
|
8.00-10.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
304 LITRI
|
1.4307
|
≤0.030
|
18.00-20.00
|
8.00-10.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
304 ORE
|
1.4948
|
0.04-0.10
|
18.00-20.00
|
8.00-10.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
305
|
*
|
≤0.12
|
17.00-19.00
|
11.00-13.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
308
|
*
|
≤0.08
|
19.00-21.00
|
10.00-12.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
309
|
1.4828
|
≤0.20
|
22.00-24.00
|
12.00-15.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
309S
|
*
|
≤0.08
|
22.00-24.00
|
12.00-15.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
310
|
1.4842
|
≤0.25
|
24.00-26.00
|
19.00-22.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.50
|
-
|
-
|
-
|
310 S.
|
*
|
≤0.08
|
24.00-26.00
|
19.00-22.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.50
|
-
|
-
|
-
|
314
|
1.4841
|
≤0.25
|
23.00-26.00
|
19.00-22.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
1.50-3.00
|
-
|
-
|
-
|
316
|
1.4401
|
≤0.08
|
16.00-18.50
|
10.00-14.00
|
≤2.00
|
≤0.045
|
≤0.030
|
2.00-3.00
|
≤1.00
|
-
|
-
|
-
|
316L
|
1.4404
|
≤0.030
|
16.00-18.00
|
10.00-14.00
|
≤2.00
|
≤0.045
|
≤0.030
|
2.00-3.00
|
≤1.00
|
-
|
-
|
-
|
316Ti
|
1.4571
|
≤0.08
|
16.00-18.00
|
10.00-14.00
|
≤2.00
|
≤0.045
|
≤0.030
|
2.00-3.00
|
≤1.00
|
-
|
0.1
|
Ti5(C+N)~0.70
|
317
|
*
|
≤0.08
|
18.00-20.00
|
11.00-15.00
|
≤2.00
|
≤0.045
|
≤0.030
|
3.00-4.00
|
≤1.00
|
-
|
0.1
|
-
|
317L
|
1.4438
|
≤0.03
|
18.00-20.00
|
11.00-15.00
|
≤2.00
|
≤0.045
|
≤0.030
|
3.00-4.00
|
≤1.00
|
-
|
0.1
|
-
|
321
|
1.4541
|
≤0.08
|
17.00-19.00
|
9.00-12.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
Ti5(C+N)~0.70
|
321 ORE
|
*
|
0.04-0.10
|
17.00-19.00
|
9.00-12.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
Ti5(C+N)~0.70
|
347
|
1.4550
|
≤0.08
|
17.00-19.00
|
9.00-12.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
NB≥10*C%-1,10
|
347H
|
1.494
|
0.04-0.10
|
17.00-19.00
|
9.00-12.00
|
≤2.00
|
≤0.045
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
NB≥10*C%-1,10
|
xm-19
|
Nitronic50
|
≤0.06
|
20.50-23.50
|
11.50-13.50
|
4.0-6.0
|
≤0.045
|
≤0.030
|
1.50-3.00
|
≤1.00
|
-
|
0.2-0.4
|
NB: 0.10-0.30 V:0.10-0.30
|
904 LITRI
|
N08904
|
≤0.02
|
19.0-23.0
|
23.0-28.0
|
4.0-5.0
|
≤0.045
|
≤0.035
|
|
≤1.00
|
|
0.1
|
Cu:1.0-2.0
|
Fronte/retro
|
2205
|
S32205
|
≤0.03
|
22.0-23.0
|
4.5-6.5
|
≤2.00
|
≤0.030
|
≤0.020
|
3.0-3.5
|
≤1.00
|
-
|
0.14-0.20
|
|
2507
|
S32750
|
≤0.03
|
24.0-26.0
|
6.0-8.0
|
≤1.20
|
≤0.035
|
≤0.020
|
3.0-5.0
|
≤0.80
|
0.5
|
0.24-0.32
|
|
*
|
S32760
|
≤0.03
|
24.0-26.0
|
6.0-8.0
|
≤1.00
|
≤0.030
|
≤0.010
|
3.0-4.0
|
≤1.00
|
0.5-1.00
|
0.2-0.3
|
|
2304
|
S32304
|
≤0.03
|
21.5-24.5
|
3.0-5.5
|
≤2.50
|
≤0.040
|
≤0.030
|
0.05-0.6
|
≤1.00
|
0.05-0.6
|
0.05-0.2
|
|
329
|
1.4460
|
≤0.08
|
23.00-28.00
|
2.00-5.00
|
≤1.00
|
≤0.040
|
≤0.030
|
1.00-2.00
|
≤0.75
|
-
|
-
|
|
Ferrite
|
409
|
S40900
|
≤0.03
|
10.50-11.70
|
0.5
|
≤1.00
|
≤0.040
|
≤0.020
|
-
|
≤1.00
|
-
|
≤0.030
|
Ti6(C+N)~0.50 Nb:0.17
|
430
|
1Cr17
|
≤0.12
|
16.00-18.00
|
-
|
≤1.0
|
≤0.040
|
≤0.030
|
-
|
≤1.0
|
-
|
-
|
-
|
430F
|
Y1Cr17
|
≤0.12
|
16.00-18.00
|
-
|
≤1.25
|
≤0.060
|
≥0.15
|
-
|
≤1.00
|
-
|
-
|
-
|
444
|
S44400
|
≤0.025
|
17.50-19.50
|
1
|
≤1.00
|
≤0.040
|
≤0.030
|
1.75-2.5
|
≤1.00
|
-
|
0.035
|
Ti+Nb:0.2+4(C+N)~0.80
|
446
|
S44600
|
≤0.20
|
23.00-27.00
|
0.75
|
≤1.5
|
≤0.040
|
≤0.030
|
1.50-2.50
|
≤1.00
|
-
|
≤0.25
|
-
|
Martensite
|
410
|
1Cr13
|
0.08-0.15
|
11.50-13.50
|
0.75
|
≤1.00
|
≤0.040
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
410S
|
*
|
≤0.080
|
11.50-13.50
|
0.6
|
≤1.00
|
≤0.040
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
416
|
Y1Cr13
|
≤0.15
|
12.00-14.00
|
3)
|
≤1.25
|
≤0.060
|
≥0.15
|
-
|
≤1.00
|
-
|
-
|
-
|
420
|
2Cr13
|
≥0.15
|
12.00-14.00
|
-
|
≤1.00
|
≤0.040
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
420J2
|
3Cr13
|
0.26-0.35
|
12.00-14.00
|
-
|
≤1.00
|
≤0.040
|
≤0.030
|
-
|
≤1.00
|
-
|
-
|
-
|
420F
|
Y3Cr13
|
0.30-0.40
|
12.00-14.00
|
0.5
|
≤1.25
|
≤0.060
|
≥0.15
|
-
|
≤1.00
|
0.6
|
-
|
-
|
*
|
4Cr13
|
0.36-0.45
|
12.00-14.00
|
3)
|
≤0.80
|
≤0.040
|
≤0.030
|
-
|
≤0.60
|
-
|
-
|
-
|
431
|
1Cr17Ni2
|
≤0.20
|
15.00-17.00
|
1.50-2.50
|
≤1.00
|
≤0.040
|
≤0.030
|
-
|
≤0.80
|
-
|
-
|
-
|
440 C.
|
11Cr17
|
0.95-1.20
|
16.00-18.00
|
-
|
≤1.00
|
≤0.040
|
≤0.030
|
0.75
|
≤1.00
|
-
|
-
|
-
|
PH
|
630
|
17-4PH
|
≤0.07
|
15.00-17.50
|
3.00-5.00
|
≤1.00
|
≤0.035
|
≤0.030
|
-
|
≤1.00
|
3.00-5.00
|
-
|
NB 0.15-0.45
|
631
|
17-7PH
|
≤0.09
|
16.00-18.00
|
6.50-7.50
|
≤1.00
|
≤0.035
|
≤0.030
|
-
|
≤1.00
|
≤0.50
|
-
|
Al 0.75-1.50
|
632
|
15-5PH
|
≤0.09
|
14.00-16.00
|
3.50-5.50
|
≤1.00
|
≤0.040
|
≤0.030
|
2.00-3.00
|
≤1.00
|
2.5-4.5
|
-
|
Al 0.75-1.50
|