Hollow Metal Rod, CK45 Hollow Piston Rods For Hydraulic Machine

Hollow Metal Rod, CK45 Hollow Piston Rods For Hydraulic Machine

CK45?piston rod for?hydraulic?machine

Detailed?Product?Description

1. Material:CK45,ST52,20MnV6,42CrMo4,40Cr
2. Ground?and?chrome?plated
3. Diameter:6~1000mm
4. length:1000~8000mm
5. ISO9001:2008

Detailed?Description

1.CHEMICAL?COMPOSITION

2.MECHANCIAL?PROPERTIES

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