Hollow Piston Rod/Hollow Bar/Hollow Chrome Plated Bar from China manufacturer

Product Detail

Hollow Bar/Hollow Chrome Plated Bar

Grade: CK45/S45/SAE1045,SCM440/SAE4140

Hollow Piston Rod/Hollow Bar/Hollow Chrome Plated Bar

Supply Condition:Ground and chrome plated,tempered

Grade: CK45/S45/SAE1045,SCM440/SAE4140,EN8D,ST 52,16Mn,20Mn,E355,SAE1020,SUS 304/316

Type: Normal,Induction Hardened

Metric OD Size: 6 mm 1000 mm Inch OD Size: OD 1/4" to 20".

Chrome Thickness: 20-30 Micron (or according to customer's request)

Surface Roughness:Ra < 0.4 Micron

Tolerance: ISO f7,f8,H7,H8

Ovality: Half of the OD tolerance

Straightness: <0.2 mm/m

Salt Spray Test: ASTM B117-72hours/96hours,results evaluation refers to ISO4540 Rating 8-10.

Package:Anti rust oil on material and packed first by hard paper tube then in steel frame box.

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