CK45 Chrome Plated Bar| CK45 Chrome Rod | CK45 Chrome Bar
As one of the professional and leading Hard Chrome plated bar suppliers and manufacturers, our factory produces and supplies high quality CK45 chrome plated rods from diameter 6 mm to 1000 mm.
What is CK45 chrome plated rod?
CK45 hard chrome plated rod is also called CK45 chrome rod or CK45 chrome bar for short sometimes, it is the hard chrome plated bar made of steel grade CK45. This product is widely used to manufacturer hydraulic piston rod, so it is also called CK45 hydraulic piston rod.
CK45 chrome plated bar is a medium tensile carbon steel CK45 supplied in the cold drawn or turned, precision ground, polished, chrome plated and final polished condition. The tensile strength of CK45 steel is 670 – 800 Mpa, and yield strength around 520 Mpa (75Ksi).
Steel grade CK45 is equivalent to SAE standard grade of SAE 1045, so this product is also known as 1045 chrome plated rod or 1045 Chrome Bar. Here below is the chemical composition and mechanical properties of CK45.
| Steel Grade | Chemical Composition % | ||||
| Carbon | Mn | Si | P | S | |
| CK45 (C45) | 0.42-0.50 | 0.50-0.80 | 0.40 Max | 0.035 Max | 0.035 Max |
| Steel Grade | Mechanical Properties | |||
| Yield Strength | Tensile Strength | Elongation | Hardness | |
| CK 45 | 75K psi / 517 Mpa | 85K psi / 585Mpa | 10% | Rc 60-72 |
Product Details of CK45 Hard Chrome Plated Rod
As the leading CK45 chrome plated rods supplier, our factory produces CK45 chrome rods with details as below.
CK45 Chrome Bar dimensions
- Production range:
Our factory produces CK45 chrome bar in a broad range of metric and inch sizes as below.
Round Diameter 10 mm to 800 mm;
Inch size chrome rod available from 3/8″ to 32″ - Length:
We supply CK45 chrome rod for hydraulic cylinders (CK45 hydraulic piston rod) with random length and fixed length (cut to length) up on customer’s request, the max length can be 12 meters.
Diameter tolerance of CK45 chrome rods
Our factory’s CK45 chrome rods can be supplied with tolerance of g6, f7, f8 and f9 on customers request. Here below is the tolerance chart.
| Tolerances for Chrome Shafts (ISO 286-2) | |||||||||||
| over | up to | Upper and Lower limits in micrometer (0.001 mm) | |||||||||
| d9 | e8 | f7 | g6 | h5 | h6 | h7 | h8 | h9 | h11 | ||
| – | 3 | -20 | -14 | -6 | -2 | 0 | 0 | 0 | 0 | 0 | 0 |
| -45 | -28 | -16 | -8 | -4 | -6 | -10 | -14 | -25 | -60 | ||
| 3 | 6 | -30 | -20 | -10 | -4 | 0 | 0 | 0 | 0 | 0 | 0 |
| -60 | -38 | -22 | -12 | -5 | -8 | -12 | -18 | -30 | -75 | ||
| 6 | 10 | -40 | -25 | -13 | -5 | 0 | 0 | 0 | 0 | 0 | 0 |
| -76 | -47 | -28 | -14 | -6 | -9 | -15 | -22 | -36 | -90 | ||
| 10 | 18 | -50 | -32 | -16 | -6 | 0 | 0 | 0 | 0 | 0 | 0 |
| -93 | -59 | -34 | -17 | -8 | -11 | -18 | -27 | -43 | -110 | ||
| 18 | 30 | -65 | -40 | -20 | -7 | 0 | 0 | 0 | 0 | 0 | 0 |
| -117 | -73 | -41 | -20 | -9 | -13 | -21 | -33 | -52 | -130 | ||
| 30 | 50 | -80 | -50 | -25 | -9 | 0 | 0 | 0 | 0 | 0 | 0 |
| -142 | -89 | -50 | -25 | -11 | -16 | -25 | -39 | -62 | -160 | ||
| 50 | 65 | -100 | -60 | -30 | -10 | 0 | 0 | 0 | 0 | 0 | 0 |
| -174 | -106 | -60 | -29 | -13 | -19 | -30 | -46 | -74 | -190 | ||
| 65 | 80 | -100 | -60 | -30 | -10 | 0 | 0 | 0 | 0 | 0 | 0 |
| -174 | -106 | -60 | -29 | -13 | -19 | -30 | -46 | -74 | -190 | ||
| 80 | 100 | -120 | -72 | -36 | -12 | 0 | 0 | 0 | 0 | 0 | 0 |
| -207 | -126 | -71 | -34 | -15 | -22 | -35 | -54 | -87 | -220 | ||
| 100 | 120 | -120 | -72 | -36 | -12 | 0 | 0 | 0 | 0 | 0 | 0 |
| -207 | -126 | -71 | -34 | -15 | -22 | -35 | -54 | -87 | -220 | ||
| 120 | 140 | -145 | -85 | -43 | -14 | 0 | 0 | 0 | 0 | 0 | 0 |
| -245 | -148 | -83 | -39 | -18 | -25 | -40 | -63 | -100 | -250 | ||
| 140 | 160 | -145 | -85 | -43 | -14 | 0 | 0 | 0 | 0 | 0 | 0 |
| -245 | -148 | -83 | -39 | -18 | -25 | -40 | -63 | -100 | -250 | ||
| 160 | 180 | -145 | -85 | -43 | -14 | 0 | 0 | 0 | 0 | 0 | 0 |
| -245 | -148 | -83 | -39 | -18 | -25 | -40 | -63 | -100 | -250 | ||
| 180 | 200 | -170 | -100 | -50 | -15 | 0 | 0 | 0 | 0 | 0 | 0 |
| -285 | -172 | -96 | -44 | -20 | -29 | -46 | -72 | -115 | -290 | ||
| 200 | 225 | -170 | -100 | -50 | -15 | 0 | 0 | 0 | 0 | 0 | 0 |
| -285 | -172 | -96 | -44 | -20 | -29 | -46 | -72 | -115 | -290 | ||
| 225 | 250 | -170 | -100 | -50 | -15 | 0 | 0 | 0 | 0 | 0 | 0 |
| -285 | -172 | -96 | -44 | -20 | -29 | -46 | -72 | -115 | -290 | ||
| 250 | 280 | -190 | -110 | -56 | -17 | 0 | 0 | 0 | 0 | 0 | 0 |
| -320 | -191 | -108 | -49 | -23 | -32 | -52 | -81 | -130 | -320 | ||
| 280 | 315 | -190 | -110 | -56 | -17 | 0 | 0 | 0 | 0 | 0 | 0 |
| -320 | -191 | -108 | -49 | -23 | -32 | -52 | -81 | -130 | -320 | ||
| 315 | 355 | -210 | -125 | -62 | -18 | 0 | 0 | 0 | 0 | 0 | 0 |
| -350 | -214 | -119 | -54 | -25 | -36 | -57 | -89 | -140 | -360 | ||
| 355 | 400 | -210 | -125 | -62 | -18 | 0 | 0 | 0 | 0 | 0 | 0 |
| -350 | -214 | -119 | -54 | -25 | -36 | -57 | -89 | -140 | -360 | ||
- Hard Chrome Plated Thickness:
Our CK45 chrome rod normally is with chrome plated thickness of Min. 20Microns (0.0008″) or Min. 25 Microns (0.001″) or Min. 30 microns, …;
And other hard chrome plated thickness available upon customer’s requirements, the max. chrome thickness is 100microns.
Our factory’s chrome rods can pass the salt spray tested to to 72h/96h/200h in accordance with ASTM B-117 upon clients requests. - Surface roughness:
The surface roughness of our factory’s CK45 hard chrome plated bar is around Ra0.2μm(8 Ra), max. Ra0.4μm (16 Ra).
- Good hardness: Hard chrome plated surface hardness of Min. HV 900
- Super smooth surface finish with excellent wear and corrosion resistance
- High precision dimension tolerance
- The base material giving good strength and impact properties, plus good machinability and reasonable weldability.
Our factory is a professional CK45 Chrome plated rod supplier, we provide reliable packing method to protect the CK45 chrome bars from damaged during transportation. Our standard packing is cardboard + rope or wooden case. To protect the smooth outer diameter of the C45 chrome bars, we put each chrome bar into a cardboard (paper tube), and then we will wrap the cardboard with ropes and pack in a bundle. We also can put the chrome bars with cardboard into wooden boxes to get a super protection.
Why choose our CK45 chrome rod?
Here below are the main advantages of our chrome bars and services.
- Nearly 30 years’ production experience for chrome plated steel rods;
- Advanced manufacturing equipment and facilities, including: cold drawing machine, straightening machine, polishing machine, heat treatment furnace, grinding machine, etc. Our professional engineers do regular scheduled maintenance on these machines to guarantee them work well.
- Quality raw materials: our raw materials for chrome plated rods are mainly from the famous China steel manufacturers, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest steel rod manufacturers in China.
- Highest accurate dimensions: Our chrome plated CK45 hydraulic piston rod is manufactured with high dimension accurate, tolerance can be ISO f7, f8 or g6, according to client’s requirements. Which ensures the precision of the hydraulic cylinders or the machines.
- Reliable Packing: All the chrome plated bars will be oiled by the anti-rust oil before delivery. And to protect the outer surface of the chroming of CK45 chrome rods, we will use cardboard (paper tube) to pack each bar, and then pack with seaworthy package such as wooden cases or rope wraps.
- Excellent Quality Control: Our factory has a QC team of more than 10 persons. All the chrome rods will be inspected before packing. The inspections including: Chemical Analysis Test, Tensile Test, Dimension Inspection, Roughness Testing, Chrome plated thickness test and other tests according to standards and client’s requests.
- Mature quality management system: our Total quality management system ensures all the working processes related to product quality are in good management.
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