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Chrome Plate Hardened Steel Shaft , Precision Shafts 16mm - 60mm Diameter

Chrome Plate Hardened

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Description

Induction hardened hard chrome hydraulic Cylinder rod ,Precision Shafts

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Detailed?Description

1.?Chemical composition

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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 |
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2.?Mechancial properties

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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 ? |
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? Specifications
Material: 42CrMo4, 40Cr,?CK45,ST52

Hardness: ?HRC 60±2?
Hardness Depth:0.8mm-3mm
Precision: g6
Straightness:in 0.12mm/meter
Diameter: 16mm-60mm in stock





Work Flow




?Advantages
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Extensive production experience: more than 10 years manufacturing experience for honed tube and chrome plated rod, in Australia, Thailand, Brazil, India, Iran, Indonesia, South Africa and other countries have long-term buyers. Most workers have 5-8 year experience to provide you with high quality and efficient products.

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Advanced production equipment: cold drawing machine, honing machine, skiving & roller burnishing machine, straightening machine, polishing machine, heat treatment furnace, centerless grinding machine, etc. We have professional technicians do regular scheduled maintenance on these machines to guarantee them work well.

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High quality raw material: our raw material mainly from some famous refinery steel mills, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.

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High precision: Honed Tube, inside surface roughness 02-0.4 um, straightness max 0.5/1000, strict tolerance DIN2391 H8. Skived & Roller Burnished Tube, inside surface roughness under 0.2 um, straightness max 0.2/1000, strict tolerance DIN2391 H8. Chrome Plated Rod, chrome layer 10 micron to 100 micron, strict tolerance ISO f7.

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Delivery fast 3-30 days: If one container 15-20days. We also stock some usual size for ?small quantity order, if you need 3-5 pcs, we can delivery immediately.

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Strict quality control: we have professional in-house QC to inspect all products. We will do Chemical Composition Test, Mechanical Property Test, Dimension Inspect, Roughness Test, Chrome Layer Test and other tests in need before delivery. All test result will be made a test report to keep 3-5 years, and provide customer with MTC.

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Safe packing: an-rust oil on tubes and rods before delivery. Plastic caps on both ends to protect tube inside surface. Then be packed with seaworthy package or in wooden case.

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Best after-sale service: each order from production to delivery will be follow up in time.

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Reasonable price?and reliable quality.

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OEM service and third party certificate also can be provided.
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