Changzhou Zhonghai Powder Metallurgy Co., Ltd.

Changzhou Zhonghai Powder Metallurgy Co., Ltd.
Add:Cuibei Industrieal Park, Cuiqiao, Ouside of East Gate, Changzhou City
M.B:15240500777
Code:213103
Tel:0519-88503533
Fax:0519-88507533
Web:www.530ms.com

Material

Materials of bearings: Copper (663 copper)

Alloying Compon-
ent

Trade-
mark
Sign

Chemical Component (%)

Physical Mechanical Propeties

C
Chemcial
Combination

C_總

Others

Oil
Content %

Oiliness
Density
g/cm³

Radial Crushing
Strength
kgf/mm²

HB
Apparent
Hardness

Copper-Tin-Zinc-Lead

FZ2170

＜0.5

0.5-2.0

Allowance

5-7

2-4

＜1.5

≥18

6.6-7.2

＞15

20-50

FZ2175

≥12

＞7.2-7.8

＞20

30-60

Materials of bearings: Iron-Copper, Iron-Bronze and Iron-Carbon-Bronze

Para meter	Mark	Unit	Iron		Iron-Copper		Iron-Bronze^a				Iron-Carbon-Bronze^a
Para meter			Symbol^b		Symbol^b		Symbol^b				Symbol^b
Che- mical Comp- onent			-F-00-K170	-F-00-K220	-F-00C2-K200	-F-00C2-K250	-F-03C36T-K90	-F-03C36T-K120	-F-03C45T-K-70	-F-03C45T-K-100	-F-03 G3-K70	-F-03 G3-K80
Che- mcial Comb- ination C^C Cu Fe Sn Graphite ,Element Summation Max		％％％％％％	＜0.3 - Allow- ance - - 2	＜0.3 - Allow- ance - - 2	＜0.3 1-4 Allow- ance - - 2	＜0.3 1-4 Allow- ance - - 2	＜0.5 34-38 Allow- ance 3.5-4.5 0.3-1.0 2	＜0.5 34-38 Allow- ance 3.5-4.5 0.3-1.0 2	＜0.5 43-47 Allow- ance 4.5-5.5 ＜0.5 2	＜0.5 43-47 Allow- ance 4.5-5.5 ＜0.5 2	＜0.5 - Allow- ance - 2.0-3.5 2	＜0.5 - Allow- ance - 2.0-3.5 2	Stan- dard Value
Tapping Porosity	P	%	22	17	22	17	24	19	24	19	20	13
min Radial Crushing Strength (min)	K	MPa	170	220	200	250	90-265	120-345	70-245	100-310	70-175	80-210
Density (in dry condition)		g/cm³	5.8	6.2	5.8	6.2	5.8	6.2	5.6	6.0	5.6	6.0	d
Linear Expansion Coefficient^d		10^-6K^-1	12	12	12	12	14	14	14	14	12	12
a. Scope of given radial crushing strength indicates that combined carbon and free graphite must keep balance b. All materials can be dipped in lubricant c. Only iron phase d. Reference value