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Hollow Piston Rod
Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo
Diameter: Φ 6-500 mm
Length: max 16m
Chrome layer: 20 micron (min)
Description
1. Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo
2. Diameter: Φ 6-500 mm
3. Length: max 16m
4. Chrome layer: 20 micron (min)
5. Hardness of the chrome layer: 800HV-1150HV
6. Roughness: Ra ≤0.2u
7. Straightness: ≤ 0.2/1000
8. Diameter tolerance: ISO f7
9. Roundness: the deviation of roundness is 50% of the diameter tolerance at the most.
10. Supply condition: Hard chrome plated/ Hardened and tempered/ Induction hardened
11. Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.
Hard Chrome Plated Hydraulic Cylinder Piston Rod
|
Size |
OD: 40-320mm ID :30-280mm |
|
Length |
1m -9m |
|
Material |
CK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel |
|
Tolerance |
ISO f7 |
|
Chrome thickness |
20~30micron |
|
Hardness of the chrome layer |
800HV (min) |
|
Roughness |
Ra 0.2micron (max) |
|
Straightness |
0.2/1000mm |
|
Yield Strength |
≥350 M p a |
|
Tensile Strength |
≥580 M p a |
|
Elongation |
≥ 15% |
|
Elongation |
1.Hard chrome plated |
|
2.Induction hardened |
|
|
3.Quenched & Tempered |
|
|
4.Induction hardened with Q&T |
Technical Specification
|
Product Name |
Hard chrome plated Hydraulic cylinder piston rod |
|
Diameters |
6-300mm |
|
Length |
100mm-1200mm |
|
Steel grade |
DIN CK45 |
|
Tolerance |
ISO f7 |
|
Chrome thickness |
20μm(min) |
|
Hardness of the chrome layer |
850H V(min) |
|
Roughness |
Ra 0.2μm(max) |
|
Straightness |
0.2/1000mm |
|
Mechanical Properties(ck45) |
Yield strength≥20Mpa |
|
Supply condition |
1.Hard chrome plated |
|
2.Induction hardened |
|
|
3.Quenched & Tempered |
|
|
4.Induction hardened with Q&T |
Chemical Composition
|
Material |
C% |
Mn% |
Si% |
S% |
P% |
V% |
Cr% |
|
Ck45 |
0.42-0.50 |
0.50-0.80 |
0.17-0.37 |
≤0.035 |
≤0.035 |
≤0.25 |
|
|
ST52 |
≤0.22 |
≤1.6 |
≤0.55 |
≤0.04 |
≤0.04 |
0.02-0.15 |
|
|
20MnV6 |
0.17-0.24 |
1.30-1.70 |
0.10-0.50 |
≤0.035 |
≤0.035 |
0.10-0.20 |
≤0.30 |
|
42CrMo4 |
0.38-0.45 |
0.50-0.80 |
0.17-0.37 |
≤0.035 |
≤0.035 |
0.07-0.12 |
0.90-1.20 |
|
40Cr |
0.37-0.45 |
0.50-0.80 |
0.17-0.37 |
≤0.035 |
≤0.035 |
0.80-1.10 |
Mechanical 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 |
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