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Stainless steel balls

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Materials Symbolic
designation		 Numeric
designation		 Chemical analysis Hardness Density
Kg/dm³		 Properties
C Si Mn P S Cr Ni Mo Other
Stainless 13%
AISI 420C
or Z40C13		 X39Cr13
X46Cr13
X45Cr13		 1.4031
1.4034
1.3541		 0.36
to
0.50		 1
max		 1
max		 0.04
max		 0.03
max		 12.5
to
14.5		 52
to
58 HRC		 7.68 Good balance between corrosion resistance and hardness; through hardened stainless steel
Stainless 13%
SEW 400		 X65Cr13 1.4037 0.58
to
0.70		 1
max		 1
max		 0.04
max		 0.015
max		 12.5
to
14.6		 58
to
64 HRC		 7.7 Characteristics close to AISI 440C
Stainless 17%
AISI 440C
or
Z100CD17		 X105CrMo17 1.4125 0.95
to
1.2		 1
max		 1
max		 0.04
max		 0.03
max		 16
to
18		 0.40
to
0.80		 58
to 64HRC		 7.75 Afford the advantage of maximum hardness combined with corrosion resisting properties. First choice steel for stainless steel bearings.
Stainless 17%
AISI 430
or Z8C17		 X6Cr17 1.4016 0.08
max		 1
max		 1
max		 0.04
max		 0.03
max		 16
to
18		 135
to
380HV		 7.68 Intermediate stainless steel quality between 420 and 304
Stainless 17%
AISI 430F
or Z10CF17		 X14CrMoS17 1.4104 0.10
to
0.17		 1
max		 1.50
max		 0.04
max		 0.15
to
0.35		 15.5
to
17.5		 0.20
to
0.60		 135
to
380HV		 7.68 Additional sulfur makes this stainless steel more machinable
Stainless 18/10
AISI 304
or Z7CN18-09		 X5CrNi18-10 1.4301 0.07
max		 1
max		 2
max		 0.045
max		 0.03
max		 17
to
19.5		 8
to
10.5		 N:
0,11
MAX		 135
to
380HV		 7.93 Austenitic stainless steel; very good corrosion and chemical resistance
Stainless 18/10
AISI 304L
Z2CN18-10		 X2CrNi18-09 1.4306 0.03
max		 1
max		 2
max		 0.045
max		 0.03
max		 18
to
20		 8
to
10		 2
to
2.5		 N:
0,11
MAX		 135
to
380HV		 7.93 Austenitic stainless steel; very good corrosion and chemical resistance
Stainless 18/12/3
AISI 316
or Z6CND17-12		 X5CrNiMo17
12.02		 1.4401 0.07
max		 1
max		 2
max		 0.045
max		 0.03
max		 16.5
to
18.5		 10
to
13		 2
to
2.5		 N:
0,11
MAX		 135
to
380HV		 7.98 Better corrosion resistance than above stainless due to molybdenum
Stainless 18/12/3
AISI 316L
or Z2CND17-12		 X2CrNiMo17
12.02		 1.4404 0.03
max		 1
max		 2
max		 0.045
max		 0.03
max		 16.5
to
18.5		 10
to
13		 2
to
2.5		 N:
0,11
MAX		 135
to
380HV		 7.97 Better corrosion resistance than above stainless due to molybdenum

青岛百克滚珠传动部件有限公司
Qingdao BRBC Balls & Transmission Parts Co., Ltd.

921 Tuanjie Road
Economic and Technological Development Zone
Qingdao, Shandong Province

Tel: (+86-532) 8610 7680
Fax: (+86-532) 8610 7682

Email: contact@brbc.cn

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