steel chrome plated bar
Material: CK45
CHEMICAL COMPOSITION (%)
C | Mn | Si | S | P |
0.40-0.50 | 0.60-0.90 | 0.035 | 0.035 | 0.035 |
MECHANICAL PROPERTIES
UTS Min | Y.S. Min | E % Min | CHARPY | CONDITION |
630 N/mm2 | 340 N/mm2 | 16 |
| NORMALISED |
600 N/mm2 | 380 N/mm2 | 17 | 41J | HARDENED AND TEMPERED |
Supply condition: Ground and Chrome plated
Chrome thickness: 20 TO 40 Micron
Surface roughness: Ra ≤0.4 Micron and Rt≤2 Micron
Tolerance on diameter: ISO f7 on the diameter
Ovality: Half of the tolerance ISO f7
Straightness: ≤0.2mm/m
Surface hardness: 850-1150HV (Vickers 100g)
Porosity: Test according to ISO1456/1458 and result valuation according to ISO 4540 rating 8-10.
Corrosion resistance: Test in natural salt spray according to ASTM B 117-36 hours.
Weld ability: very good weld ability according to the common welding system.
Packing: Anti rust oil to be spread on material and each rod to be packed in steel box.
piston rod