Material

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Type Contrast
AISI
304
316
316
317L
321
431
630
DIN
1.4301
1.4401
1.4404
1.4438
1.4541
1.4057
1.4542
JIS
SUS304
SUS316
SUS316L
SUS317L
SUS321
SUS431
SUS630
GB
0Cr18Ni9
-
0Cr17Ni14Mo2
-
1Cr18Ni9Ti
1Cr17Ni2
0Cr17Ni4Cu4Nb
Main Chemical Composition
C≤
0.08
0.08
0.03
0.03
0.12
0.17
0.07
Cr
18-20
16-18
16-18
18-20
17-19
15-17
15.5-17.5
Ni
8-10.5
10-14
10-14
11-15
8-11
1.5-2.5
3-5
Mo
-
2-3
2-3
3-4
-
-
-
Cu
-
-
-
-
-
-
3-5
Ti
-
-
-
-
5*%C-0.8
-
-
Nb/Ta
-
-
-
-
-
-
0.15-0.45
Mechanical and Physical Properties
1000Kg/m3
Density
7.9
7.95
7.95
7.95
7.9
7.7
7.75
Yield Strength
(σ0.2)
0.2% Offset
MPa≥
196
205
176
176
205
588
785
Tensile Strength
(σ)
Mpa
496-600
496-600
480-600
480-600
490-600
785-1370
840-1370
(δ%)

Elongation
50
45
50
50
50
14
14-22

(ψ%)

Reduction of area

60
60
60
60
60
45
52-56
Hardness (solution annealed)HB
130-180
130-180
130-180
130-180
130-180
257-270
270-290
Elastic Modulus GPa
197
197
197
197
197
204
-
Magneticable
NO
NO
NO
NO
-
YES
YES
Hardness range for spinnerets HB
130-180
130-180
130-180
130-180
130-180
HRC
26-35
HRC*
28-44

* Hardness was determined upon the heat treatment processes:
as:   H900 H1025 H1075 H1150
     HRC ≥ 40 ≥ 35 ≥ 31 ≥ 28

g/cm3
Density
MPa
Tensile strength
(δ%)
Elongation
HV0.2
Hardness
HV0.05
Hardness after
Treatment
16.6
313.6
25
90-120
300-500