Honed Tube

Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo,SAE1518,SAE4145, SS431, SS430, Stainless Steel 304/316/2205, etc.

Type: Chrome Plated Bar/Chrome Plated Rod/Nickel-Chrome Plated Rod/Hollow Chrome Bar/Hollow Bar

Heat Treatment Type: 1) Normal no heat  2)Q+T(Quenched+Tempered) 3)Induction Hardened

Diameter: Φ 6-800mm

Length: max.20 meters

Salt Spray Test: Available As Per Request

Chrome layer: min 20/25/30/50 Micron or customized

Straightness: <= 0.5/1000

Roughness: Ra <= 0.4u

Diameter tolerance: ISO f7/f8/f9/h8/h9 or as request

Protection: Anti-rust oil outside with hard board sleeve protection.

Packing: Wooden case

• 1.Extensive production experience: we Jiangsu Yingnaisi  have more than 20 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.
• 2.Advanced production equipment: cold drawing machine, honing machine, skiving & roller burnishing machine, straightening machine, polishing machine, heat treatment furnace, grinding machine, etc. We have professional technicians do regular scheduled maintenance on these machines to guarantee them work well.
• 3.High quality raw material: our raw material mainly from some famous steel mills, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
• 4.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.
• 5.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.
• 6.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.