Qingdao Fuqin Imp. & Exp. Co., Ltd. It is aprofessional export company for the manufactures.The morther companies are steel ball and roller plants.The steel ball plant was founded in 1998. It is professional ball manufacturer.We have received ISO9001.The roller plant was found in 2000. It is professional roller manufacturer. We have received ISO/TS16949.
Stainless steel ball
Caption: The Applications
For 300 series
Trigger sprayers,Bearings,Dispenser valves,
Body jewelry lotion pumps,Aerospace,Quick
Disconnect couplings
For 400 series
Bearing applications,Valve applications,
Locking mechanisms,Fasteners,Quick
Detail:
Stainless steel - AISI 302/304/304L/316/316L
-AISI 420/420C/430/440C
Chermical Composition
AISI
NumberC%Si%Mn%Cr%Ni%Mo%P%S% property
AISI 3040.07
MAX1.00
MAX2.00
MAX17.0~
19.08.0~
10.5
0.045
MAX0.03
MAXSlightly magnetic,flat surface HRC 25min.
AISI 3160.07
MAX1.00
MAX2.00
MAX16.5~
18.510.5~
13.52.00~
2.500.045
MAX0.03
MAXBetter corrosion resistance than SS304 specially against Sulfuric
acid and ink/bleach/nitricAISI 4200.07~
0.251.00
MAX1.00
MAX12.0~
14.0
0.045
MAX0.03
MAXMagnetic,steel.
flat surface HRC 50min,
better corrosion resistant AISI 4300.08
MAX1.00
MAX1.00
MAX15.5~
17.5
0.045
MAX0.03
MAXFerritic stainless steel,better corrosion resistant than 3series at higher temperatureAISI 4400.95~
1.201.00
MAX1.00
MAX16.0~
18.0
0.045
MAX0.02
MAXMartensite,fair corrosion to water,alcohol,oil and food product.
PACKAGING
Service
We hope that our products can offer better quality support for you!