1.material:ck45,st52,20MnV6,42CrMo4,40Cr 2.ground and chrome plated 3.advanced inspection apparatus 4.ISO9001:2008
Detailed Description
Our company specialized in hydraulic piston rod, cylinder rod ,long small diameter axes, hollow bar ,induction hardened rod.All technical parameters of our products comply with even superior tp state standards.Our products can be directly used in oil cylinder and air cylinder. In addition ,our products are widely used for textile & dyeing ,mechanical slide guide of printing machine,guide rod of injection machine and guide post of four-post hydraulic press.
1. MATERIAL
45C8,IS1570,
2. CHEMICAL COMPOSITION(%)
C | Mn | Si | S | P |
0.40-0.50 | 0.60-0.90 | 0.035 | 0.035 | 0.035 |
3. MECHANICAL PROPERTIES
T.S | Y.S | E%(MIN) | CHARPY | CONDITION |
630N/MM2 | 340N/MM2 | 15 | - | NORMALISED |
4. SUPPLY CONDITION
Ground and chrome plated
5. CHROME THICKNESS
20 to 30 micron
6. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micro
7. TOLERANCES ON DIA
ISO f7 on the diameter
8.OVALITY
Half of the tolerance ISO f7
9. STRAIGHTNESS
≤0.2MM/M
10 SURFACE HARDNESS
850-1150HV (vickers 100g)
11COHESION
No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling in water)
12 .POROSITY
Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
13 CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-72hours
Results evaluation according to ISO 4540 RATING 7-10
14. WELDABILITY
Good
15. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
16. CERTIFICATE
All certificate related with material heat treatment and plating is required
hard chrome piston rod
