Ürün Açıklaması
Description:
Ck45 Hard Chrome Rod Chromed Piston Rod processed by more than ten processing, made by steel bar in material CK45, 20MnV6, 42CrMo4, SUS304, SUS316 etc.. Dia. Precision level of f7 tolerance, surface hardness min. HV900.
Chrome layer thickness 20-50micron can be choice, Salt spray test 60-90hours.
Induction hardened hardness HRC55±2, hardened depth 0.5-3.5mm can be choice.
1 Equipment cover all production processing with stick QC system make better quality and keep improve.
2 Huge material purchasing reduce production cost and final rate.
3 Rich stock for normal size, order could be fast delivery in 7days.
4 100% inspection and one-year quality guarantee to avoid any risk choice us.
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
From 2017, we established an intelligent workshop with all automatic machined. There are five lines only for producing exported products. The new workshop is executing 6S strictly. The production capacity will be 1500 tons per month.