Hard Chrome Rod
We import our own hard chrome rods and hydraulic barrel (skived and roller burnished tubes) from reputable manufacturer of raw material. We stock a wide range of hard chrome rod and hydraulic barrel (skived and roller burnished tube) for our own production usage and also for distribution to various engineering companies.The various types of rods/bars we have in stocks are standard hard chrome rods (C45) and induction hardened chromed rods (C45). Other types of rods such as nickel chrome rod and stainless steel 304 or stainless steel 316 chrome rods are also available on request.
| Standard Parameters | |
| Steel Grade | C45E (EN 10083) |
| Tolerance | ISO f7 |
| Roundness | diameter tolerance / 2 |
| Standard Length | - for Ø ≤ 60 mm: 5600 – 6200 mm - for Ø ≥ 60 mm: 5800 – 7200mm Upon request: special lengths on all diameters |
| Surface Roughness | Ra max. 0.20 µm (statistic average: 0.05 – 0.15 µm) |
| Chrome Layer Thickness | ≤ Ø20 mm: min. 15 µm ≥ Ø20 mm: min. 20 µm |
| Chrome Layer Hardness | min. 900 HV(0.1) |
| Straightness | ≤ Ø16 mm: max. 0.3 mm : 1000 mm > Ø16 mm: max. 0.2 mm : 1000 mm |
| Mechanical Properties | according to EN 10083-2 |
Induction Hardened Chromed Rod
| Standard Parameters | |
| Steel Grade | C45E (EN 10083) |
| Tolerance | ISO f7 |
| Roundness | diameter tolerance / 2 |
| Standard Length | - for Ø ≤ 60 mm: 5600 – 6200 mm - for Ø ≥ 60 mm: 5800 – 7200mm Upon request: special lengths on all diameters |
| Surface Roughness | Ra max. 0.20 µm (statistic average: 0.05 – 0.15 µm) |
| Surface Hardness | min. 55 HRC |
| Hardened Layer Depth | From 0.4 to 3.5 mm |
| Chrome Layer Thickness | ≤ Ø20 mm: min. 15 µm ≥ Ø20 mm: min. 20 µm |
| Chrome Layer Hardness | min. 900 HV(0.1) |
| Straightness | ≤ Ø16 mm: max. 0.3 mm : 1000 mm > Ø16 mm: max. 0.2 mm : 1000 mm |
| Mechanical Properties | according to EN 10083-2 |
Nickel and Hard Chrome Rod
The nickel and chrome plating technology is the solution to extreme environments with intense corrosion:- Offshore, marine conditions
- Military applications, wind, solar and aerospace sector
- Agriculture, mining industry, oil and gas industry
| Standard Parameters | |
| Steel Grade | C45E, 20MnV6 / 38MnVS6 |
| Tolerance | ISO f7 |
| Dimension | Ø20 - 160 mm / Ø3/4” – 6” |
| Roundness | diameter tolerance / 2 |
| Standard Length | Up to 6000 mm Upon request: special lengths on all diameters |
| Surface Roughness | Ra max. 0.20 µm (statistic average: 0.05 – 0.15 µm) |
| Nickel Layer Thickness | min. 10 µm |
| Chrome Layer Thickness | min. 25 µm |
| Nickel Layer Micro Hardness | min. 300 HV(0.1) |
| Chrome Layer Micro Hardness | min. 900 HV(0.1) |
| Straightness | max. 0.20 mm/1000 mm |
Hydraulic Barrel / Skived and Roller Burnished Tube
The hydraulic barrel we have in stock is seamless cold drawn tubes (E355), being skived and roller burnished to achieve the required tolerance and surface roughness. Internal diameter tolerance of the tube are up to H8 while the surface roughness is Ra ≤ 0.22 µm| Standard Parameters | |
| Steel Grade | E355 (EN 10305-1) / St52-3 (DIN 2391) |
| Heat Treatment | +SR (EN 10305-1) / BK+S (DIN 2391) |
| Diameter Range (metric) | from OD 48 x ID 40 mm to OD 350 x ID 300mm (Upon request: bigger dimensions) |
| Diameter Range (imperial) | from OD 2" x ID 1½" mm to OD 10" x ID 9" (Upon request: bigger dimensions) |
| Tolerance | ISO H8 |
| Standard Length | 5000 - 8000 mm (Upon request: special lengths) |
| Surface Finish (ID) | Ra ≤ 0.22 µm |
| Local Deviation | max. 1 mm : 1000 mm |
| Total Deviation | - tubes with length ≤ 6 m: max. 3.5mm : length - tubes with length > 6 m: for each meter over 6 m the tolerance must be increased by 0.5 mm |
| Ovality | within the OD dimensional tolerance |
| Mechanical Properties | Rm Tensile Strength (N/mm2) : min 580 Rp0.2 Yield Point (N/mm2) : min 435 A5 Elongation (% min) : 10 |
| Chemical Composition | C - 0.22 max Mn - 1.60 max Si - 0.55 max P - 0.025 max S - 0.025 max |