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Remark:
External Diameter Accuracy: f8
Surface Roughness: Ra0.2μm ~ Ra0.4μm
Hard Chrome Thickness: 20Micron ± 10%
Surface Hardness: HV 850 (Minimum) up
Standard Length: 3M ~ 6M up
Standard Size: 6Φ ~ 200Φ
Material: JIS S45C, SAE1045, DIN CK45, Special Specifications & materials can be Custom-made
Purpose:
Piston rod (chromed-plated steel bar) for pneumatic and hydraulic cylinder.
Spec |
Chemical Analysis (%) |
Forging Temperature |
JIS |
DIN |
C |
Si |
Mn |
P |
S |
° C |
S45C |
CK45 |
0.42-0.48 |
0.15-0.35 |
0.60-0.90 |
<0.030 |
<0.035 |
1050-1150
Slow Cooling |
Induction |
Machine Function |
Application |
Normalizing
°C |
Annealing
°C |
Quenching
°C |
Tempering
°C |
Yield Point
(Y.P)N/
mm² |
Tensile Strength
(T.S)Kgf/
mm² |
Elongation
(EL)% |
twist
% |
Hardness
HB |
820-870
Air Cooling |
|
|
|
>35 |
>58 |
>20 |
---- |
167-229 |
Bend Axle Axles |
810 Furnace Cooling |
|
|
---- |
820-870 Water Cooling |
550-650 Quenching |
---- |
---- |
---- |
---- |
137-170 |
---- |
---- |
>50 |
>70 |
>17 |
>45 |
204-269 |
Product Standard Form
Dia mm Ø |
6 |
25.4 |
45 |
80 |
135 |
8 |
28 |
50 |
82.55 |
140 |
10 |
28.56 |
50.8 |
85 |
145 |
12 |
30 |
55 |
88.9 |
150 |
12.5 |
31.5 |
56 |
90 |
152.4 |
14 |
31.75 |
57.15 |
100 |
160 |
15 |
32 |
60 |
101.6 |
165.1 |
16 |
35 |
63 |
105 |
170 |
17 |
35.5 |
63.5 |
110 |
177.8 |
18 |
36 |
65 |
112 |
180 |
19 |
38 |
67 |
114.3 |
190 |
20 |
38.1 |
70 |
120 |
200 |
22 |
40 |
71 |
125 |
|
22.4 |
42 |
75 |
127 |
|
25 |
44.45 |
76.2 |
130 |
|
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