Home > Products > Piston Rod > Steel Hard Chrome Hydraulic Piston Rod Material 42CrMo4 , 40Cr 6 ~ 1000mm Diameter
Steel Hard Chrome Hydraulic Piston Rod Material 42CrMo4 , 40Cr 6 ~ 1000mm Diameter
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Product Details
| Brand Name | JLF | Place of Origin | China | |
Product Description
42CrMo4, 40Cr ?Steel? ?Hard Chrome ?Piston ?Rod / Rods 6 ~ 1000mm? Diameter
Detailed?Product?Description
1. Material:CK45,ST52,20MnV6,42CrMo4,40Cr
2. Diameter:6~1000mm
3. length:1000~8000mm
4. ISO9001:2008
5. Ground?and?chrome?plated
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
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