Basic Info.
Product Description
1. Grinding bars, Chrome Plating bars, Stainless Steel bars, Hard Chromed Tubes, Precision Ground Bars:
A. Material: 45#, stainless steel,
B. Chorme thinkness: 0.02mm to 0.06mm,
C. Polishing: To 0.2Ra Max
D. Size: From 12mm diameter up to 200mm diameter,
E. Length: 5700mm maximum.
F. Surface treatment: High frequency quench, quenching and tempering
2. Piston rod:
A. Material: 45#, stainless steel,
B. Chorme thinkness: 0.02mm to 0.06mm,
C. Polishing: To 0.2Ra Max,
D. Size: From 12mm diameter up to 200mm diameter,
E. Length: According the diameter size.
F. Surface treatment: High frequency quench, quenching and tempering.
| Material | : CK45, St52, 20MnV, SS 316, SS304, SS410, SS420 |
| Length | 6mm - 12mm | : 2m |
| 12mm - 40mm | : 3m-4m |
| 40mm-400mm | : 3m-6m |
| On Request | : 12m |
| Tolerance | 6mm- 20mm | : f8 |
| 20mm -200mm | : f7 |
| Hard chromium layer hardness | HV800-1150 ( Vickers 100g) |
| Hard chromium layer thickness | Class R | : None |
| Class C | : Min 15 Micron |
| Class A | : Min 25 Micron |
| Class S | : 2 layer Min 25 Micron |
| Surface Roughness | < Ra0.2 |
| Straightness | : < 0.015mm/1m |
| Roundness | 1/2 f7 |
| | |
Note:
Ø CORROSION RESISTANCE for Class A: Test in natural salt spray according to ASTM B 117-96 hours, Results evaluation according to ISO 4540 RATING 8-9.
Ø CORROSION RESISTANCE for Class S: Test in natural salt spray according to ASTM B 117- 200 hours, Results evaluation according to ISO 4540 RATING 8 - 9
Ø Length: Besides commercial length the bars and tubes can be supplied cut to length according to customer ’ s specifications.
Ø Machining: We can do the machine according the drawing of the piston rod.
Ø Protection: To ensure the material always reaches the client in perfect conditions the tubes are protected by a paper sleeve. Both full length bars & tubes and cut to length pieces may be packaged in iron and three-ply board boxes upon request.
INDUCTION HARDENED AND HARD CHROMIUM PLATED BAR
| Material | : CK45, GCr15 |
| Length | 6mm - 12mm | : 2m |
| 12mm - 40mm | : 3m-4m |
| 40mm-400mm | : 3m-6m |
| On Request | : 12m |
| Tolerance | 6mm- 20mm | : f8 |
| 20mm -200mm | : f7 |
| Hard chromium layer hardness | HV800-1150 ( Vickers 100g) |
| Hard chromium layer thickness | Class R | : None |
| Class C | : Min 15 Micron |
| Class A | : Min 25 Micron |
| Surface Roughness | < Ra0.2 |
| Straightness | : < 0.015mm/1m |
| Roundness | 1/2 f7 |
| Hardness of the Induction | Material: CK45 | : HRC56-62 |
| Material: GCr15 | : HRC60-6 4 |
| Depth of the induction hardened | 6mm -13mm | > 1.0mm |
| 14mm-25mm | > 1.5mm |
| 26mm-35mm | > 2.0mm |
| 36mm-50mm | > 2.5mm |
| 55mm-80mm | > 3.0mm |
| On request | On request |
Note:
Ø CORROSION RESISTANCE for Class A: Test in natural salt spray according to ASTM B 117-96 hours, Results evaluation according to ISO 4540 RATING 8-9.
Ø Length: Besides commercial length the bars and tubes can be supplied cut to length according to customer ’ s specifications.
Ø Machining: We can do the machine according the drawing of the piston rod.
Ø Protection: To ensure the material always reaches the client in perfect conditions the tubes are protected by a paper sleeve. Both full length bars & tubes and cut to length pieces may be packaged in iron and three-ply board boxes upon request.
OUTSIDE H ARD CHROMIUM PLATED TUBE
| Material | : CK45, St52, 20MnV, SS 316, SS304, SS410, SS420 |
| Length | 20 mm - 40mm | : 3m-4m |
| 40mm-400mm | : 3m-6m |
| On Request | : 12m |
| Tolerance | 6mm- 20mm | : f8 |
| 20mm -400mm | : f7 |
| Wall Thickness | 5mm-30mm |
| Hard chromium layer hardness | HV800-1150 ( Vickers 100g) |
| Hard chromium layer thickness | Class R | : None |
| Class C | : Min 15 Micron |
| Class A | : Min 25 Micron |
| Class S | : 2 layer Min 25 Micron |
| In side Surface Roughness | < Ra0.2 |
| Outside Surface | Raw Material |
| Straightness | : < 0.015mm/1m |
| Roundness | 1/2 f7 |
Note:
Ø CORROSION RESISTANCE for Class A: Test in natural salt spray according to ASTM B 117-96 hours, Results evaluation according to ISO 4540 RATING 8-9.
Ø CORROSION RESISTANCE for Class S: Test in natural salt spray according to ASTM B 117- 200 hours, Results evaluation according to ISO 4540 RATING 8 - 9
Ø Machining: We can do the machine according the drawing of the piston rod.
Ø Length: Besides commercial length the bars and tubes can be supplied cut to length according to customer ’ s specifications.
Ø Protection: To ensure the material always reaches the client in perfect conditions the tubes are protected by a paper sleeve. Both full length bars & tubes and cut to length pieces may be packaged in iron and three-ply board boxes upon request.
MATERIAL OF THE H ARD CHROMIUM PLATED BAR /TUBE
Middle Carbon Steel
| GB | DIN | SAE | W. No |
| 45# | CK45 | SAE1045 | 1.1191 |
Less Carbon Steel
| GB | DIN | SAE | W. No |
| Q345 | ST52 | | 1.0421 |
| 20MnV6 | | 1.5217 |
Stainless Steel
| GB | DIN | SAE | W. No |
| SS 304 | | AISI 304 | 1.4301 |
| SS 304L | | | |
| SS 304 | | AISI 3 16 | |
| SS 316L | | | |
| | AISI 431 | 1.4057 |
| | AISI 329 | 1.4460 |
| | AISI 420 | 1.4021 |
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Address:
Xixi Center Road, Hudai Town, Wuxi, Jiangsu, China
Business Type:
Manufacturer/Factory
Business Range:
Auto, Motorcycle Parts & Accessories, Industrial Equipment & Components, Manufacturing & Processing Machinery, Tools & Hardware
Company Introduction:
We are a manufacturer and exproter in China.
We do Hard chromium plated bar, Cylinder liner, honed tube, hydraulic cylinder, and so on.
We have our own factory. We are very strict at the quanlity controling. We have a special department to contal the quality. Every QC Engineer was trained before they start work, and was instructional by their teacher in there first year. We check every quality of every step and every details.
And we think much of the serve after selling the products out. Any questions of out products, we will check and follow you. So you can take easy of our products.
We are a honest company who will responsible for our products and customers. Welcome to our company. And we will be your best co-worker.
