Hot!!!compressor piston & connecting rod
- 30000 Ton / Tons per Month
- Qingdao or Tianjin
- T/T
Product Details
Thickness: | 4, 80 | ||||
Section Shape: | Round | Outer Diameter: | 27 - 508 mm | Place of Origin: | Shandong, China |
Secondary Or Not: | Non-secondary | Application: | Fluid Pipe | Technique: | Hot Rolled |
Certification: | API | Surface Treatment: | Other | Special Pipe: | API Pipe |
Alloy Or Not: | Non-alloy |
Product Description
Specifications
compressor piston & connecting rodMaterial: CK45
Size range:OD 12 to 500 mm
compressor piston & connecting rod
Size range:
Outside diameter from 12 to 500 mm
Max length 16 meters
Supply condition: Chrome plated
Chrome thickness: 20 TO 50 Micron
Surface roughness: Ra ≤ 0.4 Micron
Outer diameter tolerance: ISO f7
Ovality: Half of the tolerance ISO f7
Straightness: ≤ 0.2mm/m
Corrosion resistance: Test in natural salt spray according to ASTM B 117-36 hours.
Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden box.
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
Contact Us
- Shandong Liaocheng Yuanhetai Steel Products Co., Ltd.
- Contact nameRobin Gao
- Phone86-635-8888909
- AddressSouth Side,Eastern End Of Liaohe Road,Liaocheng Development Zone Liaocheng,Shandong
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