These specifications outline the key details of the induction hardened hollow piston rod, including the material options, diameter range, length, chrome layer thickness, hardness, surface roughness, straightness, diameter tolerance, roundness, delivery conditions, corrosion resistance, and packaging method.
Induction Hardened Hollow Piston Rod
Specification of Induction Hardened Hollow Piston Rod:
Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo4, SS431, SS430, Stainless Steel 304/316/2205, etc.
Diameter: Φ 6-500mm
Length: Maximum 14m
Chrome Layer Thickness: Minimum 20 microns to 100 microns
Hardness of Chrome Layer: Minimum 850 HV - Maximum 1150 HV
Surface Roughness: Ra ≤ 0.2um
Straightness: ≤ 0.2/1000
Diameter Tolerance: ISO f7/f8/h8/g6, etc.
Roundness: Half of the tolerance specified in ISO f7
Delivery Condition:
Hard Chrome Piston Rod (HRC 15-22)
Quenched & Tempered (Q+T) Rod (HRC 28-35)
Induction Hardened Rod (HRC 55-62)
Q+T Induction Hardened Rod (HRC 60-65)
Corrosion Resistance: Tested in natural salt spray according to ASTM B 117-96 for 120/150/200 hours.
Packing: The rod surface is coated with anti-rust oil, and each rod is packed in a paper roll, followed by packaging in a wooden case.
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 |
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 |
Inquire Form
