32CRMO Length Between 3 To 5 Meters Hardness Between 50-55 Degrees Chrome Piston Rod Engineering Machinery
| Product Name: |
Hollow Piston Rod |
Material: |
Stainless Steel, Catbon Steel |
| OD: |
6mm - 1000mm |
Length: |
1000mm - 8000mm |
| Surface: |
Hard Chrome Plating |
Hard Chrome Thickness: |
20 - 30 Micron |
| High Light: |
hollow steel tube
,
stainless steel hollow bar
,
cold drawn hollow piston rod
|
Cold Drawn Hollow Piston Rod , Chrome Plated Bar 6mm - 1000mm
Detailed Product Description
1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr
2. Ground and chrome plated
3. length: 1000mm - 8000mm
4. ISO9001:2008
5. Complete manufactured equipments
Detailed Description
1.CHEMICAL COMPOSITION
| 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 |
2.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 |
3. SUPPLY CONDITION
Ground and chrome plated
4. CHROME THICKNESS
20 to 30 micron
5. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micro
6. TOLERANCES ON DIA
ISO f7 on the diameter
7.OVALITY
Half of the tolerance ISO f7
8. STRAIGHTNESS
≤0.2MM/M
9. SURFACE HARDNESS
850-1150HV (vickers 100g)
10.COHESION
No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling
in water)
11 .POROSITY
Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
12 CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-72hours
Results evaluation according to ISO 4540 RATING 7-10
13. WELDABILITY
Good
14. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
15. CERTIFICATE
All certificate related with material heat treatment and plating is required
We are making great efforts now and have full confidence with future. People in Jiangsu New Heyi, are bearing honor and dream that make international research and manufacturing enterprise, promote national industry and create a glorious future!
