About Us
 
 


300 Series Stainless Steel Balls:

302 & 304 Stainless Steel balls are an austentistic, unhardened stainless steel with excellent resistance to corrosion by oxidizing agents, most organic chemicals, food stuffs and sterilizing solutions.

Steel Symbols Hardness
302 UNI X10CrNi1809
AISI 302
W. 1.4319
AFN. Z10CN 18.09
B. S. EN58 E
DIN X10CrNI1809
25-39 HRC
260-390 HV

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.12
MAX
0.20
2.00
0.50
2.00
0.045
MAX
0.03
MAX
- 17.0
19.0
- 8.00
11.00


304 stainless steel has a lower carbon content than 302 Stainless Steel. 304 is slightly magnetic. Ask us about our special packaging for surface protection.

Steel Symbols Hardness
304 UNI X5CrNi1810
AISI 304
W. 1.4301
AFN. Z26CN 18.09
B. S. EN58 E
DIN X5CrNI1810
-

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.08
MAX
1.00
MAX
2.00
MAX
0.045
MAX
0.030
MAX
- 18.0
20.0
- 8.00
10.50


316 Stainless steel balls provide resistance to sulfurous acid compounds and other highly corrosive environments. 316 Stainless Steel is used in the presence of sulfuric, phosphoric, and acetic acids. 316 is the least magnetic of the 300 series. Ask us about our special packaging for surface protection.

Steel Symbols Hardness
316 UNI X5CrNiMo1712
AISI - 316
W. 1.4401
AFN. Z6CND17-11
B. S. EN518J
DIN X5CrNIMo17122
-

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.08
MAX
1.00
MAX
2.00
MAX
0.045
MAX
0.030
MAX
- 16.0
18.0
2.00
3.00
10.0
14.0


316 L Stainless Steels has the same properties as 316, except that it has a lower carbon content. It is easier to machine.

Steel Symbols Hardness
316 L UNI X5CrNiMo1712
AISI - 316L
W. 1.4404
AFN. Z6CND17-12
B. S. EN518J
DIN X5CrNIMo17122
-

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.03
max
0.20
1.00
0.50
2.00
0.045
MAX
0.030
MAX
- 16.50
18.50
2.25
3.00
10.0
14.0

Top


400 Series Stainless Steel

420 Stainless steel: With good corrosion resistance, higher hardness & magnetic in nature, 420 Steel balls having brighter surface finish finds application in special bearings and valves where corrosion reistance is required along with the wear resistance.

Steel Symbols Hardness
420 UNI X20Cr13X1
AISI - 420
AFN. Z20CB
B. S. 420S37
DIN 1.4021
52 to 54 HRC

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.15
MIN
1.0
MAX
1.0
MAX
0.04
MAX
0.03
MAX
- 12.0
14.0
- -


420 B & 420 C Stainless Steel:
Due to the high hardness together with the good resistance against corrosion makes the balls made in this material suitable for valves, special bearings and so on, in which the protectionwith rustproof-greases is poor or absent.

Steel Symbols Hardness
420 B UNI X30Cr13
AISI 420 b
W. 1.4028
AFN. Z30c13
B. S. En56 D
DIN X30 Cr13
53 to 57 HRC

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.28
0.35
1.00
MAX
1.50
MAX
0.040
MAX
0.030
MAX
- 12.0
14.0
- -


Steel Symbols Hardness
420 C UNI X40Cr14
AISI 420 C
W. 1.3541
AFN. Z40C13
-
DIN X45Cr13
-

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.42
0.50
1.00
MAX
1.00
MAX
0.040
MAX
0.030
MAX
0.03
MAX
12.5
14.5
- 1.00
MAX


430 Stainless Steel: General purpose non-hardenable steel with good corrosion resistance. These balls find application in cosmetics, petroleum & chemical industry where the corrosion resistance is of prime importance & hardness is secondary.

Steel Symbols Hardness
430 UN9I X8Cr17
AISI - 430
-
AFN Z8C17
B. S. 430S15
DIN 1.4016
-

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.12
MAX
1.00
MAX
1.00
MAX
0.04
MAX
0.030
MAX
- 16-18 - -


440 B & 440 C Stainless Steel: Having greatest hardness with the highest resistance to corrosion 440 stainless steel balls are the best for application on valves, bearings and ball pens.

Steel Symbols Hardness
440 B -
AISI - 430
W. 1.4112
-
-
DIN 1.4016
55 to 58 HRC

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.85
0.95
1.00
MAX
1.00
MAX
0.040
MAX
0.030
MAX
- 17.0
19.0
0.90
1.30
-


Steel Symbols Hardness
440 C -
AISI 440 C
W. 1.4125
-
-
DIN X105CrMo17
58 to 62 HRC

Chemical Composition
C% Si% Mn% P% S% Cu% Cr% Mo% Ni%
0.95
1.20
1.0
MAX
1.00
MAX
0.04
MAX
0.030
MAX
- 16.0
18.0
0.40
0.80
-

Top

 
   
 
© N. Gandhi & Co. 2006 || All rights reserved.
About Us