Chinabase pneumatic-hydraulic Applied to heavy duty, large, extra large equipment, such as metallurgical industry mill press down system of continuous casting machine, pressure system
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Aboutus Our company is one of the leading supplier of hydraulic and pneumatic products. Our main products are hard chromium plated steel bar & tubes, cylinder tubes, hydraulic cylinders. We are able to supply both the British and metrk: normal size products. And also able to supply OEM products. Our strict quality control System makes sure our product's high opinion from our clients. Our products are selling very well Italien market, North American Market, South Asian market and South East Market. OD mm Longest Lenqth Tolrance Straightness Chrome layer thickness Roundness Roughness 6-10 2m f8, h8 0.2mm/1000mm max 0.015mm 0.01mm max Ra.0.2 11-16 3m f8, h8 0.2mm/1000mm max 0.015mm 0.01mm max Ra.0.2 18-40 4m f7,h8 0.15mm/1000mm Min 0.02mm 0.01mm max Ra.0.2 41-70 6m k6,f7,h8 0.1mm/1000mm Min 0.02mm 0.01mm max Ra.0.2 70-160 6m k6,f7,h8 0.1mm/1000mm Min 0.02mm 0.01mm max Ra.0.2 160-200 6m k6,f7,h8 0.1 mm/1000mm Min 0.02mm 0.01mm max Ra.0.2 Material: CK45 (SAE1045, S45C), 42CrMo (SAE4140), 20MnV6, St52, stainless steel Chrome layer surface hardness: HRc60, (750-1150HV Vickers 100g) CORROSION RESISTANCE: Test in natural sait spray according to ASTM B 117-96 hours, Results valuation according to ISO 4540 RATING 8-9. Heat Treatment: Quenched and Tempered or Induction Hardened. Length: Besides commercial length the bars and tubes can be supplied eut to length according to customer's sp驩cifications. Protection: To ensure the material always reaches the client in perfect conditions the tubes are protectd by a paper sleeve. Both full length bars & tubes and eut to length pices may be packaged in iron and three-ply board boxes upon request.

pD(o] Pro©QflOLDaQD@©[)©^@^(5)[i)© Processing Diameter (mm) Long (m) Straight (mm/m) Diamet accuracy Thickness roughness (u m) Drawing 40-320 =12M 0.2-0.5 H8-H10 ±5% 0.8-1.6 Rolling 30-100 =12M 0.2-0.6 H8-H10 ±5% 0.8-1.2 Drawing-Honed 40-500 8M 0.2-0.3 H7-H9 ±5% 0.2-0.8 Drawing-rolling 40-400 7M 0.2-0.3 H8-H9 ±5% 0.2-0.4 Deep-Honed 320-500 8M 0.2-0.3 H7-H9 ±5% 0.2-0.8 Deep-rolling 320-500 7M 0.2-0.3 H8-H9 ±8% 0.2-0.4 Materiah CK20(SAE1020), CK45(SAE1045), 16Mn(St-52). 27SiMn Wall Thickness : 2-55mm ( Supply Condition: BK(+C), BK+S (+SR) Implementation of the standards: GB8713-88...