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Help CenterCK45 , ST52 , 20MnV6 Hard Chrome Plated Bar , Precision Shaft For Heavy Machine
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CK45, ST52, 20MnV6 Hard Chrome Plated Bar, Precision Shaft For Heavy Machine
Product Specifications
| Piston Rod | |
| Size: Ø 6-300mm | |
| Length: 3m -8m | |
| Material: 45# DIN CK45/JIS 45C | |
| Tolerance: ISO f7 | |
| Chrome thickness: 20~30micron | |
| Hardness of the chrome layer: 850HV(min) | |
| Roughness: Ra 0.2micron (max) | |
| Straightness: 0.2/1000mm | |
| Mechanical properties: (CK45/JIS 45C) | |
| Yield Strength ≥320 Mpa | |
| Tensile Strength ≥580 Mpa | |
|
Elongation ≥ 15% |
|
Material |
C% |
Mn% |
Si% |
S% |
P% |
V% |
Cr% |
|
Ck45 |
0.42-0.50 |
0.50-0.80 |
0.04 |
0.035 |
0.035 |
||
|
ST52 |
0.22 |
1.6 |
0.55 |
0.035 |
0.04 |
||
|
20MnV6 |
0.16-0.22 |
1.30-1.70 |
0.10-0.50 |
0.035 |
0.035 |
0.10-0.20 |
|
|
42CrMo4 |
0.38-0.45 |
0.60-0.90 |
0.15-0.40 |
0.03 |
0.03 |
0.90-1.20 |
|
|
40Cr |
0.37-0.45 |
0.50-0.80 |
0.17-0.37 |
0.80-1.10 |
Mechancial Properties:
|
Material |
T.S N/MM2 |
Y.S N/MM2 |
E%(MIN) |
CHARPY |
CONDITION |
|
CK45 |
610 |
355 |
15 |
>41J |
NORMALIZE |
|
CK45 |
800 |
630 |
20 |
>41J |
Q + T |
|
ST52 |
500 |
355 |
22 |
NORMALIZE |
|
|
20MnV6 |
750 |
590 |
12 |
>40J |
NORMALIZE |
|
42CrMo4 |
980 |
850 |
14 |
>47J |
Q + T |
|
40Cr |
1000 |
800 |
10 |
Q + T |
Supply condition:
| 1 | Hard chrome plated |
| 2 | Induction hardened |
| 3 | Quenched & Tempered |
| 4 | Induction hardened with Q&T |
Product Advantages
1, high strength and high hardness.
2, excellent hardness, wear-resistance, high elastic modulus, high flexural strength,
3, good chemical stability (acid, alkali, high temperature oxidation), impact resistance,
4, good toughness, low coefficient of expansion etc,
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