40Cr Tempered / Quenched Rod Bar, Hydraulic Cylinder Rod, Precision Ground Shaft
| Place of Origin: | Zhejiang |
|---|
Company Profile
| Location: | Wuxi, Jiangsu, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Chrome Piston Rod |
Product Description
40Cr Tempered / Quenched Rod Bar, Hydraulic Cylinder Rod, Precision Ground Shaft
40Cr quenched&tempered rod
Detailed Product Description
1.Material:40Cr
2.length:1000~8000mm
3.Diameter:6~1000mm
4.Ground and chrome plated
5.ISO9001:2008
Detailed Description
1.CHEMICAL COMPOSITION
|
Material |
C% |
Mn% |
Si% |
S% |
P% |
V% |
Cr% |
|
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 |
|
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